Rotary distributor for filling device

Abstract

The invention relates in particular to a rotary distributor (10) for a filling device for filling containers. The rotary distributor (10) has a stationary part (12) with a first part of a first filling material path (F1) for guiding a first filling material and a second part of a second filling material path (F2) for guiding a second filling material separate from the first filling material. The rotary distributor (10) also has a rotatable part (36) which is rotatably connected to the stationary part (12) about the axis of rotation (D) and has a second part of the second filling material path (F2). The rotary distributor (10) also has at least one axial seal (58, 64), which is arranged annularly and is coaxial to the axis of rotation (D) and seals the transition between the first and second parts of the second filling material path (F2).

Description

Technical Field

[0001] This invention relates to a rotary dispenser for a filling apparatus. The invention also relates to a filling apparatus having a rotary dispenser. Background Technology

[0002] For filling liquid or paste-like filling materials (products) in the food industry, rotary filling devices can be used. For example, the filling material can first be supplied from a central inlet to a product tank, which can then be supplied to several filling stations via appropriate pipelines. At the filling stations, the filling material can finally be filled into containers awaiting filling. The filling material can be supplied to the product tank via a so-called rotary dispenser, which has a fixed part and a rotatable part. The rotatable part can be connected to a rotatable product tank.

[0003] For example, DE 10 2020 113 602 A1 and DE 10 2007 041 684 A1 disclose rotary dispensers for filling devices.

[0004] DE 10 2020 113 602 A1 discloses a dispensing device for supplying liquid-filled products to product tanks in a food filling apparatus. The dispensing device has a product inlet line configured to introduce the filled product into the product tank. The product inlet line includes multiple product channels configured such that the flow cross-section of the filled product introduced into the product tank through the product inlet line is variable.

[0005] DE 10 2007 041 684 A1 discloses a dispensing device for a medium, particularly for a beverage, having a support suitable for containing the medium. The dispensing device has a first supply line supplying a first liquid medium to a container and a second supply line supplying a second gaseous medium to the container. The first and second supply lines are fixed relative to each other, and the container is rotatably arranged relative to the first and second supply lines. The first and second supply lines lead to a region in the container above the filling level of the first liquid medium.

[0006] If a rotary dispenser is required to have multiple filler paths (product tracks) for different filling materials, it typically necessitates a relatively large structural space and expensive seals for each filler path. Furthermore, these expensive seals can lead to hygiene issues, as residual liquid can remain on the seals.

[0007] The object of this invention is to provide an improved rotary dispenser for dispensing several filling materials. Preferably, the improved rotary dispenser should be compact and allow for a safe and space-saving seal. Summary of the Invention

[0008] This objective is achieved by the features of independent claim 1. Advantageous improvements are given in the dependent claims and the description.

[0009] One aspect relates to a rotary dispenser for a filling device of a filling container. The rotary dispenser has a fixed portion having a first filling material path for guiding a first filling material and a first portion of a second filling material path for guiding a second filling material separate from the first filling material. The rotary dispenser also has a rotatable portion rotatably connected to the fixed portion about a rotation axis and having a second portion of the second filling material path. The rotary dispenser also has at least one axial seal arranged annularly and coaxial with the rotation axis, sealing the transition between the first and second portions of the second filling material path.

[0010] By using at least one axial seal, the rotary distributor advantageously allows for a compact design with a relatively small overall height. For example, when using multiple axial seals, the rotary distributor can be advantageously designed such that the axial seals can be arranged radially inward relative to each other, thereby achieving a low overall height. In particular, a compact design can be achieved compared to embodiments with multiple radial seals arranged in a stacked manner on top of each other. Using axial seals also advantageously allows for the use of fewer sealing elements compared to using radial seals. The compact structural dimensions and fewer sealing elements can bring further advantages because, for example, in the case of steam sterilization and subsequent condensation to clog the seals, there is no excessive rear space that must be condensed (e.g., affecting the time when potential leaks cannot be monitored). Furthermore, during condensation, the uppermost sealing element only remains in the steam for a relatively short time and is therefore not subjected to excessive wear from the steam. The embodiments explained below, etc., can take full advantage of the above-mentioned advantages.

[0011] In a first embodiment, at least one axial seal has a (first) axial seal that seals radially inward from the second filling material path between a first and a second portion of the second filling material path, preferably toward the filling material tank of the filling device. Alternatively or additionally, at least one axial seal may have a (second) axial seal that seals radially outward from the second filling material path between a first and a second portion of the second filling material path, preferably toward the periphery of the rotary dispenser. The first and second axial seals are preferably coaxial with each other. For example, the first axial seal is arranged lower than the second axial seal. Preferably, the first axial seal is arranged radially inside the second axial seal relative to the axis of rotation. Particularly preferably, the first and second axial seals together form a double coaxial seal.

[0012] In another embodiment, at least one axial seal each has a sealing element housed in a fixed portion, and another sealing element housed in a rotatable portion opposite to the sealing element and axially sealingly connected to the sealing element. Preferably, the sealing element can be axially pressed against the other sealing element by at least one elastic element (e.g., a spring, such as a coil spring), and vice versa. The sealing element can preferably be radially supported by at least one O-ring. Preferably, the other sealing element can be radially supported by at least one O-ring.

[0013] In one embodiment, the sealing element has an inner sealing ring, preferably a silicon carbide inner sealing ring, and an outer sealing ring, preferably a silicon carbide outer sealing ring. The inner and outer sealing rings are preferably arranged coaxially relative to each other. Preferably, the inner and outer sealing rings can move independently of each other. For example, the inner and outer sealing rings are spaced apart from each other by an annular gap through which a sterilizing and / or blocking medium can preferably be supplied to another sealing element.

[0014] In another embodiment, the other sealing element has a single sealing ring, preferably a carbon sealing ring. The sealing ring preferably has a sterilizing and / or blocking medium channel (e.g., an axial channel) for discharging the sterilizing and / or blocking medium to sterilize and / or block the corresponding axial seal.

[0015] In one implementation variation, the stationary portion further includes a cleaning medium path for guiding the cleaning medium. The cleaning medium path preferably extends parallel to the first filling material path. The cleaning medium path preferably extends within the conduit wall (e.g., the first filling material path) that defines the first filling material path.

[0016] In another embodiment, the fixed portion further has a disinfecting and / or blocking medium path for supplying disinfecting and / or blocking medium to at least one axial seal to disinfect and / or block at least one axial seal.

[0017] In one embodiment, the fixed portion has a first, preferably centered, filling material line through which a (e.g., a complete) first filling material path passes. The central longitudinal axis of the first filling material line preferably corresponds to the axis of rotation. The upper end of the first filling material line preferably has a connecting flange. Optionally, the lower end of the first filling material line has a diffuser for conveying the first filling material into the filling material tank of the filling device.

[0018] In another embodiment, the fixed portion has a second filling material line and an annular body with a filling material channel, wherein a (e.g., complete) first portion of the second filling material path extends through the second filling material line and the filling material channel.

[0019] In one embodiment, the upper end of the second filling material line has a connecting flange. Alternatively or additionally, the lower end of the second filling material line preferably has an eccentric flange connecting to the upper side of the annular body. Alternatively or additionally, the filling material channel extends eccentrically through the annular body. Alternatively or additionally, the annular body has at least one support, in which at least one axial seal is at least partially accommodated. Alternatively or additionally, the annular body has a sterilizing and / or blocking medium channel for supplying sterilizing and / or blocking medium to at least one axial seal to sterilize and / or block at least one axial seal.

[0020] In another embodiment, the annular body surrounds the first filling material line and is preferably coaxial with the central longitudinal axis of the first filling material line. Alternatively or additionally, the second filling material line extends alongside the first filling material line.

[0021] In one implementation variation, the rotatable portion has a housing, preferably sleeve-shaped, having a filling material channel, wherein a (e.g., complete) second portion of the second filling material path extends through the filling material channel.

[0022] In another embodiment, the filling material channel has a plurality of outlet openings distributed (e.g., uniformly) around the outer periphery of the housing. Alternatively or additionally, the housing has a mounting flange, preferably at the lower part, for torsionally mounting the housing to a (e.g., rotatable) filling material container of the filling device. Alternatively or additionally, the housing has at least one annular support in which at least one axial seal is at least partially received. Alternatively or additionally, the housing has at least one sterilizing and / or blocking medium channel for discharging sterilizing and / or blocking medium from at least one axial seal.

[0023] In one embodiment, the filling material channel of the annular body leads to the filling material channel of the housing. Alternatively or additionally, the housing surrounds the annular body. Alternatively or additionally, at least one axial seal is sealed between the annular body and the housing. Alternatively or additionally, in each case, at least one axial seal is partially housed in the annular body and partially housed in the housing.

[0024] Another aspect relates to a (e.g., rotary) filling device for filling containers with a first filling material and a second filling material. The filling device has a rotary dispenser as disclosed herein. Optionally, the filling device may also have a preferably central and / or rotatable filling material container to which the first filling material path leads. Alternatively or additionally, the filling device may have a preferably rotatable annular channel connected to a second filling material path for receiving the second filling material. Advantageously, the filling device can achieve the same advantages already explained with reference to the rotary dispenser.

[0025] On the other hand, it relates to a container handling apparatus (e.g., for temperature control, manufacturing, cleaning, coating, testing, filling, sealing, pasteurizing, labeling, printing, engraving, laser engraving, and / or packaging of containers for liquid or paste-like media, preferably beverages, liquid foods, or products from the pharmaceutical or healthcare industries). The container handling apparatus may have a rotary dispenser as disclosed herein or a filling device as disclosed herein. The container handling apparatus may, for example, be a beverage filling apparatus.

[0026] For example, containers can be implemented as bottles, cans, tubes, cartons, glass bottles (flakon), pipes, etc.

[0027] The preferred embodiments and features of the present invention described above can be combined with each other as needed. Attached Figure Description

[0028] Other details and advantages of the invention will now be described with reference to the accompanying drawings. In the drawings:

[0029] Figure 1 A side view of the rotary distributor according to an embodiment is shown; and

[0030] Figure 2 It shows along Figure 1 The sectional view of line AA in the diagram.

[0031] The embodiments shown in the figures are at least partially corresponding, so similar or identical parts are given the same reference numerals. In order to avoid repetition, reference is also made to the description of other embodiments or figures. Detailed Implementation

[0032] Figure 1 and Figure 2 A rotary dispenser 10 for a filling apparatus is shown, which is used to fill containers with a first, preferably liquid or paste filling material and a second, preferably liquid or paste filling material.

[0033] The filling device is preferably designed as a rotary filling device. The filling device may have multiple container filling stations for filling multiple containers simultaneously or overlapping in time. For example, the container filling stations may be arranged around the circumference of the filling turntable of the rotary filling device.

[0034] The filling device can be arranged, for example, in a container handling apparatus. The container handling apparatus can be, for example, a beverage filling apparatus. For example, the filling device can be arranged downstream of a cleaning device for cleaning containers and / or upstream of a sealing device for sealing containers, relative to the container flow.

[0035] The rotary distributor 10 has a fixed (fixed) portion 12, a rotatable portion 36, and at least one axial seal 58, 64.

[0036] The fixing portion 12 has a first filling material path F1 for guiding the first filling material and a first portion of a second filling material path F2 for guiding the second filling material that is separated from the first filling material path F2. Preferably, the fixing portion 12 may also have a cleaning medium path R and / or a disinfecting and / or blocking medium path S.

[0037] The fixed part 12 preferably has a first filling material pipeline 14, a second filling material pipeline 26 and an annular body 32 with a filling material channel 34.

[0038] The first filling material path F1 may extend through the first filling material line 14. The first filling material path F1 may preferably extend centrally through the first filling material line 14. The first filling material path F1 preferably extends from the upper end to the lower end of the first filling material line 14. The first filling material path F1 may preferably extend along or coaxially with the rotation axis D of the rotary dispenser 10.

[0039] The first filling material line 14 is preferably arranged in the center. The central longitudinal axis of the first filling material line 14 preferably corresponds to the rotation axis D of the rotary dispenser 10. The first filling material line 14 may be oriented vertically. The first filling material line 14 preferably extends substantially in a straight line. The first filling material line 14 may be, for example, one section or multiple sections.

[0040] The first filling material line 14 or the first filling material path F1 can be connected to a first filling material source (not shown) for receiving the first filling material, preferably a liquid or paste-like filling material. The first filling material can be, or includes, for example, still water or carbonated water.

[0041] For example, the first filling material line 14 may have a connecting flange 16 at its upper end. For example, a pipe may be connected to the connecting flange 16. The first filling material may preferably be received from a first filling material source through the connected pipe. The first filling material path F1 may preferably begin from the inlet opening of the connecting flange 16.

[0042] At the lower end, the first filling material line 14 or the first filling material path F1 can lead to the filling material tank 18 of the filling device (only when...). Figure 2 (Illustrated schematically). The filling material tank 18 is preferably a central and rotatable filling material tank of the filling apparatus. For example, the filling material tank 18 can be designed as a so-called central container. The first filling material can be guided from the filling material tank 18 to the container filling station of the filling apparatus.

[0043] For example, the lower end of the first filling material line 14 may have a diffuser 20 for conveying the first filling material into the filling material tank 18. The diffuser 20 may have a flow cross-section that widens (e.g., continuously) toward the outlet of the first filling material line 14. The first filling material path F1 may preferably terminate at the outlet opening of the diffuser 20. During operation of the filling device, the diffuser 20 is preferably immersed in the first filling material temporarily stored in the filling material tank 18. Different line outlets may be included instead of the diffuser 20, such as line outlets without a change in flow cross-section.

[0044] Preferably, the fixing portion 12 may also have a cleaning medium path R for guiding the cleaning medium. Preferably, the cleaning medium can be supplied to the filling material tank 18 via the cleaning medium path R for cleaning the filling material tank 18 (and components of the filling device disposed downstream therefrom). The cleaning medium path R preferably extends parallel to the first filling material path F1.

[0045] The cleaning medium path R preferably extends within the line wall of the first filling material line 14. This line wall may, for example, circumferentially limit the first filling material path F1. For example, a tube-in-tube structure together with the first filling material path F1 is also conceivable.

[0046] For example, cleaning media can be supplied to the cleaning media path R via inlet 22 in the upper part of the first filling material line 14. For example, a cleaning media source (not shown) can be connected to inlet 22 for supplying cleaning media to inlet 22. Inlet 22 can be, for example, arranged below the connecting flange 16. The cleaning media path R preferably begins at inlet 22.

[0047] For example, the cleaning medium can be discharged from the cleaning medium path R via at least one outlet 24 in the lower part of the first filling material line 14. At least one outlet 24 can be arranged, for example, above the diffuser 20. Preferably, a plurality of outlets 24 are distributed around the outer periphery of the first filling material line 14. For example, at least one outlet 24 can be designed as a nozzle outlet for injecting the cleaning medium into the filling material tank 18. Preferably, the cleaning medium path R terminates at outlet 24.

[0048] The first portion of the second filling material path F2 may extend through the filling material channel 34 of the second filling material line 26 and the annular body 32. Preferably, the first portion of the second filling material path F2 extends from the upper end of the second filling material line 26 to the lower side of the annular body 32.

[0049] The second filling material lines 26 are preferably distributed. The longitudinal axis of the second filling material lines 26 may extend at a certain distance from the rotation axis D of the rotary distributor 10, preferably substantially parallel to it. The second filling material lines 26 may be arranged next to the first filling material lines 14. The second filling material lines 26 and the first filling material lines 14 may be fixedly connected to each other.

[0050] The second filling material line 26 may be vertically oriented. The second filling material line 26 preferably extends substantially in a straight line. The second filling material line 26 may be, for example, one section or multiple sections.

[0051] The second filling material line 26 or the second filling material path F2 can be connected to a second filling material source (not shown) for receiving a second filling material, preferably a liquid or paste-like filling material. The second filling material can be different from the first filling material. The second filling material can be, for example, syrup, a paste-like liquid (e.g., with fruit chunks), milk, or any other liquid different from the first filling material.

[0052] For example, the second filling material line 26 may have a connecting flange 28 at its upper end. For example, a pipe may be connected to the connecting flange 28. The second filling material may preferably be received from a second filling material source through the connected pipe. Preferably, the second filling material path F2 or the first portion of the second filling material path F2 may begin from the inlet opening of the connecting flange 28.

[0053] At the lower end, the second filling material line 26 may have another connecting flange 30. This other connecting flange 30 may be connected to the upper side of the annular body 32, for example, by a removable screw connection. Preferably, the other connecting flange 30 is eccentrically flanged to the upper side of the annular body 32. The outlet opening of the other connecting flange 30 may be located opposite the inlet opening of the filling material channel 34.

[0054] The annular body 32 may surround the first filling material line 14. Preferably, the annular body 32 may surround the first filling material line 14 coaxially with the central longitudinal axis of the first filling material line 14. The annular body 32 may be securely connected to the first filling material line 14 and the second filling material line 26.

[0055] The filling material channel 34 can pass eccentrically through the annular body 32. The filling material channel 34 is preferably designed as a through-hole through the annular body 32. Preferably, the filling material channel 34 can extend from the upper side to the lower side of the annular body 32. The inlet opening of the filling material channel 34 can be located on the upper side of the annular body 32. The outlet opening of the filling material channel 34 can be located on the lower side of the annular body 32. The outlet opening of the filling material channel 34 can be radially offset outward relative to the rotation axis D to the inlet opening of the filling material channel 34. Preferably, the first portion of the second filling material path F2 can terminate at the outlet opening of the filling material channel 34.

[0056] The rotatable portion 36 has a second portion of the second filling material path F2. Preferably, the second portion of the second filling material path F2 can be directly connected to the first portion of the second filling material path F2.

[0057] The rotatable portion 36 (i.e., the portion 36 that can rotate relative to the fixed portion 12) is rotatably connected to the fixed portion 12 about the rotation axis D. For example, the rotatable portion 36 can be rotatably connected to the fixed portion 12 via a bearing device 38.

[0058] The bearing device 38 can be designed in any way to rotatably connect the rotatable portion 36 to the fixed portion 12. Preferably, the bearing device 38 is arranged above the rotatable portion 36.

[0059] For example, bearing device 38 may include sleeve 40, rotary bearing 44, annular body 46 and / or disc body 48.

[0060] The sleeve 40 can be fastened to the fixed portion 12, for example, by means of the disc 42. The sleeve 40 and the disc 42 can be screwed together, for example. The disc 42 can be designed, for example, as a clamping flange. Preferably, the sleeve 40 can be arranged coaxially with the axis of rotation D. Preferably, the sleeve 40 can surround the first filling material line 14.

[0061] The rotary bearing 44 can connect the sleeve 40 and the annular body 46 to each other, allowing them to rotate about the axis of rotation D. For example, the rotary bearing 44 can be screwed onto the sleeve 40. For example, the rotary bearing 44 can be screwed onto the annular body 46. The rotary bearing 44 can preferably be designed as a crossed roller bearing.

[0062] The radial shaft seal ring can preferably be arranged above the rotary bearing 44. The upper radial shaft seal ring can seal between the sleeve 40 and the annular body 46.

[0063] The disc-shaped body 48 can be fastened to the annular body 46. Accordingly, the disc-shaped body 48 can rotate together with the annular body 46 about the axis of rotation D. Preferably, the disc-shaped body 48 can be fastened to the annular body 46 from below. For example, the disc-shaped body 48 can be screwed onto the annular body 46. The disc-shaped body 48 can preferably be designed as a clamping ring.

[0064] The radial shaft seal ring can preferably be arranged below the rotary bearing 44. The lower radial shaft seal ring can seal between the sleeve 40 and the disc 48.

[0065] The housing 50 can be rotatably supported by the bearing device 38 about the axis of rotation D. The housing 50 can be rotatably connected to the fixed part 12 by the bearing device 38. The housing 50 can preferably be fastened to the bearing device 38 from below, for example by screws. For example, the housing 50 can be fastened to the underside of the disc-shaped body 48.

[0066] The housing 50 is preferably sleeve-shaped / annular. For example, the housing 50 may surround the annular body 32 and / or the first filling material line 14. The housing 50 preferably has a plurality of access openings 52. The access openings 52 may be arranged, for example, around the circumference of the housing 50. For example, the annular body 32 and / or another connecting flange 30 may enter the interior of the housing 50 through the access openings 52, for example, for assembly or visual inspection.

[0067] The housing 50 may have a filling material channel 54. A second portion of the second filling material path F2 may extend through the filling material channel 54.

[0068] The filling material channel 54 of the housing 50 may have a preferably annular inlet opening. The annular inlet opening may extend coaxially with, for example, the axis of rotation D. This inlet opening of the filling material channel 54 may preferably be opposite to the outlet opening of the filling material channel 34 of the annular body 32 of the fixed portion 12. Second filling material may flow into the filling material channel 54 from the filling material channel 34. A second portion of the second filling material path F2 may begin from the inlet opening of the filling material channel 54.

[0069] The filling material channel 54 of the housing 50 has at least one outlet opening. Preferably, the filling material channel 54 of the housing 50 has multiple outlet openings. The outlet openings of the filling material channel 54 may be radially offset outward relative to the rotation axis D to the inlet opening of the filling material channel 54. The outlet openings of the filling material channel 54 are preferably distributed around the outer circumference of the housing 50, and preferably arranged at uniform intervals. A second portion of the second filling material path F2 may terminate at at least one outlet opening of the filling material channel 54.

[0070] For example, the outlet opening of the filling material channel 54 can direct the second filling material toward the rotatable annular channel of the filling device, from which the second filling material can be guided to the container filling station of the filling device, or otherwise guided to the container filling station of the filling device.

[0071] The housing 50 may preferably have, for example, an annular mounting flange 56. The mounting flange 56 may preferably be arranged at the lower end of the housing 50. The housing 50 can be connected to the filling material tank 18 of the filling device via the mounting flange 56. Preferably, the upper region of the filling material tank 18 and the mounting flange 56 can be directly fastened to each other, for example, by screws. Preferably, the mounting flange 56 (and therefore the housing 50) and the filling material tank 18 are connected to each other in a torsion-resistant manner. Particularly preferably, the mounting flange 56 can form the top region of the filling material tank 18.

[0072] At least one axial seal 58, 64 is arranged in a ring and coaxial with the axis of rotation D. The at least one axial seal 58, 64 seals the transition between the first portion and the second portion of the second filling material path F2. Preferably, at least one axial seal 58, 64 can seal (fix) the space between the annular body 32 and the rotatable housing 50.

[0073] Preferably, the system includes a first axial seal 58 and a second axial seal 64. Preferably, the two axial seals 58 and 64 can be arranged coaxially relative to each other. For example, the first axial seal 58 can be arranged lower than the second axial seal 64. Preferably, the first axial seal 58 can be arranged radially inside the second axial seal 64 relative to the axis of rotation D. The two axial seals 58 and 64 can together form a double coaxial seal.

[0074] The first axial seal 58 can preferably seal the transition between the first portion and the second portion of the second filling material path F2 on its radially inner side (relative to the axis of rotation D). Preferably, the first axial seal 58 can seal the second filling material path F2 toward the filling material tank 18.

[0075] Preferably, the first axial seal 58 may include a sealing element 60 and another sealing element 62. The sealing elements 60 and 62 may preferably be designed as sliding rings.

[0076] The sealing element 60 can be accommodated in the fixed portion 12. The sealing element 60 can preferably be accommodated on the underside of the annular body 32. For example, the sealing element 60 can be accommodated in an annular support of the annular body 32, such as in a groove. The sealing element 60 can preferably be radially supported in the annular support relative to the axis of rotation D by at least one O-ring.

[0077] The sealing element 60 preferably has an inner sealing ring and an outer sealing ring. The inner and outer sealing rings can be arranged coaxially relative to each other. Preferably, the inner sealing ring is arranged radially inside the outer sealing ring relative to the axis of rotation D. Preferably, the inner and outer sealing rings can move independently of each other, for example, by rotation. The inner and outer sealing rings are preferably spaced apart from each other by a radial gap. The inner and outer sealing rings are preferably silicon carbide sealing rings.

[0078] Another sealing element 62 may be accommodated in the rotatable portion 36. The other sealing element 62 may preferably be accommodated inside the housing 50. For example, the other sealing element 62 may be accommodated in an annular support of the housing 50, such as a groove. Preferably, the other sealing element 62 may be radially supported in the annular support relative to the axis of rotation D by at least one O-ring.

[0079] The other sealing element 62 is preferably designed as a single sealing ring. The sealing ring is preferably a carbon sealing ring.

[0080] Another sealing element 62 is preferably arranged opposite to sealing element 60, for example, directly below it. The other sealing element 62 and sealing element 60 can make axial sealing contact with each other.

[0081] For example, a sealing element 60, such as its inner and outer sealing rings, can be axially pressed against another sealing element 60 by one or more elastic elements, and vice versa (not visible in the figures). At least one elastic element can be, for example, housed in a corresponding support on the underside of the annular body 32. At least one elastic element can be, for example, a spring, such as a coil spring. Preferably, a plurality of elastic elements are included, arranged in a ring distribution, and each is pressed against the upper side of the sealing element 60.

[0082] The second axial seal 64 can preferably seal the transition between the first portion and the second portion of the second filling material path F2 on the radially outer side (relative to the axis of rotation D). Preferably, the second axial seal 64 can seal the second filling material path F2 towards the periphery of the rotary dispenser 10.

[0083] The second axial seal 64 can preferably be designed to be the same as the first axial seal 58. Accordingly, the second axial seal 64 may include a sealing element 66 and another sealing element 68. The sealing elements 66 and 68 can preferably be designed as sliding rings.

[0084] The sealing element 66 can be accommodated in the fixed portion 12. The sealing element 66 can preferably be accommodated on the underside of the annular body 32. For example, the sealing element 66 can be accommodated in an annular support of the annular body 32, such as in a groove. The sealing element 66 can preferably be radially supported in the annular support relative to the axis of rotation D by at least one O-ring.

[0085] The sealing element 66 preferably has an inner sealing ring and an outer sealing ring. The inner and outer sealing rings can be arranged coaxially relative to each other. Preferably, the inner sealing ring is arranged radially inside the outer sealing ring relative to the axis of rotation D. Preferably, the inner and outer sealing rings can move independently of each other, for example, by rotation. The inner and outer sealing rings are preferably spaced apart from each other by a radial gap. The inner and outer sealing rings are preferably silicon carbide sealing rings.

[0086] Another sealing element 68 may be housed in the rotatable portion 36. The other sealing element 68 may preferably be housed inside the housing 50. For example, the other sealing element 68 may be housed in an annular support of the housing 50, such as a groove. Preferably, the other sealing element 68 may be radially supported in the annular support relative to the axis of rotation D by at least one O-ring.

[0087] Preferably, sealing element 66 may be arranged higher than sealing element 60. Preferably, another sealing element 68 may be arranged higher than another sealing element 62.

[0088] The other sealing element 68 is preferably designed as a single sealing ring. The sealing ring is preferably a carbon sealing ring.

[0089] Another sealing element 68 is preferably arranged opposite to sealing element 66, for example, directly below it. The other sealing element 68 and sealing element 66 can make axial sealing contact with each other.

[0090] For example, sealing element 66, such as its inner and outer sealing rings, can be axially pressed against another sealing element 68 by one or more elastic elements, and vice versa (not visible in the figures). At least one elastic element can be, for example, housed in a corresponding support on the underside of the annular body 32. At least one elastic element can be, for example, a spring, such as a helical spring. Preferably, a plurality of elastic elements are included, arranged in a ring distribution, and each is pressed against the upper side of the sealing element 66.

[0091] The fixed portion 12 may also have a sterilizing and / or blocking medium path S for supplying the sterilizing and / or blocking medium to at least one axial seal 58, 64. At least one axial seal 58, 64 may be sterilized by a sterilizing medium. For example, (water) vapor may be used as the sterilizing medium. At least one axial seal 58, 64 may be blocked in a sealing manner by means of a blocking medium. For example, liquid water may be used as the blocking medium. Liquid water may, for example, condense from the vapor used as the sterilizing medium in path S.

[0092] For example, the fixed portion 12 may have another conduit (disinfection and / or blocking media conduit) 70. The annular body 32 may have another channel (disinfection and / or blocking media channel) 72. The path S may extend through the other conduit 70 and the other channel 72.

[0093] Another line 70 may extend alongside the first filling material line 14. For example, the other line 70 may be arranged on one side of the first filling material line 14 opposite the second filling material line 26. For example, the other line 70 may extend between the sleeve 40 and the first filling material line 14.

[0094] Preferably, the piping system can be connected to another pipeline 70, through which disinfection and / or blocking media can be supplied to the inlet opening of the other pipeline 70. For example, the piping system can be connected to a steam source.

[0095] Another channel 72 may pass eccentrically through the annular body 32. Preferably, the other channel 72 may be arranged on the side of the annular body 32 opposite to the filling material channel 34 (relative to the axis of rotation D). Preferably, the other channel 72 may extend from the upper side of the annular body 32 to the lower side of the annular body 32.

[0096] Preferably, the inlet opening of the other channel 72 can be arranged on the upper side of the annular body 32. Another pipeline 70 can be connected to this inlet opening.

[0097] Preferably, the first outlet opening of the other channel 72 can be arranged in the support of the sealing element 60 for the first axial seal 58. The second outlet opening of the other channel 72 can preferably be arranged in the support of the sealing element 66 for the second axial seal 64. The first outlet opening of the other channel 72 can be radially offset inward relative to the axis of rotation D to the first outlet opening of the other channel 72.

[0098] To discharge sterilizing and / or blocking media, sealing elements 62, 68 may each have (e.g., axial) channels 74, 76, and housing 50 may have two additional channels 78, 80 (only in...) Figure 2(Schematally indicated by dashed lines). Additional channels 78, 80 can extend from inlet openings in the respective supports for the corresponding sealing elements 62, 68 to corresponding outlet openings in the outer peripheral surface of the housing 50. Lines can be connected to the outlet openings, where, for example, valves and temperature sensors are arranged.

[0099] For operation, the axial seals 58 and 64 of the rotary distributor 10 can preferably be sterilized first. Steam can be supplied to the axial seals 58 and 64 via path S. The steam can, for example, flow through the corresponding annular gap between the inner and outer sealing rings of sealing elements 60 and 66 and reach sealing elements 62 and 68. The steam can be discharged through channels 74-80. For example, once a temperature sensor located downstream of channel 74-80 indicates that a predetermined temperature threshold has been exceeded within a predetermined time, the valve downstream of channel 74-80 preferably closes automatically (= sterilization complete). Then, the steam can no longer be discharged and condenses in channels 74-80 and path S. The liquid level rises in channels 74-80 and in path S, such that the axial seals 58 and 64 can be blocked by the condensed water.

[0100] Preferred automatic leak detection may include a temperature sensor located upstream of path S, below the condensate level. Once the level drops due to a leak, such as in the case of axial seals 58, 64, this can be detected by the temperature sensor as a temperature change. For example, the temperature may rise because the temperature sensor is again steamed / flushed after the level drops.

[0101] Optionally, for example, the preferred automatic leak detection may have two temperature sensors upstream of the path S, one below the condensate level and the second above it, and the blocking medium is also steamed. Once the condensate level drops due to a leak, for example in the case of axial seals 58, 64, this can be detected as a temperature change by the temperature sensors. For example, the temperature may rise because the temperature sensors are steamed / flushed again after the condensate level drops. The temperature of the lower sensor is compared with the temperature of the upper sensor that is steamed. If the temperature difference between the two sensors is close to a predetermined level, this can be detected as a leak.

[0102] This invention is not limited to the preferred embodiments described above. Instead, numerous variations and modifications are possible, which also utilize the concepts of this invention and thus fall within the scope of protection. In particular, this invention also claims protection for the subject matter and features of dependent claims independent of the cited claims. Specifically, the various features of independent claim 1 are disclosed independently of each other. Furthermore, features of dependent claims independent of all features of independent claim 1 are disclosed, and for example, features concerning the presence and / or configuration of the fixed portion, rotatable portion, first filling path, second filling path, and / or at least one axial seal, independent of independent claim 1. All scope descriptions provided herein should be understood as disclosed, i.e., all values ​​falling within the corresponding scope appear to be individually disclosed, for example, preferably also as the narrower outer boundary of the corresponding scope.

[0103] List of reference numerals

[0104] 10 Rotary Distributors

[0105] 12 Fixed parts

[0106] 14 First Filling Material Pipeline

[0107] 16 Connecting flange

[0108] 18 Filling material tanks

[0109] 20 Diffusers

[0110] 22 Entrances

[0111] 24 Exports

[0112] 26 Second Filling Material Pipeline

[0113] 28 Connecting flange

[0114] 30 Another connecting flange

[0115] 32-ring body

[0116] 34 Filling Material Channel

[0117] 36 Rotatable parts

[0118] 38 Bearing Equipment

[0119] 40 sleeve

[0120] 42. Disc-shaped body

[0121] 44 Rotary bearings

[0122] 46. ​​Ring-shaped body

[0123] 48. Disc-shaped body

[0124] 50 Housing

[0125] 52 Enter the opening

[0126] 54 Filling Material Channel

[0127] 56 Assembly flange

[0128] 58 First Axial Seal

[0129] 60 Sealing elements

[0130] 62 Another sealing element

[0131] 64 Second Axial Seal

[0132] 66 Sealing elements

[0133] 68 Another sealing element

[0134] 70. Disinfect and / or block media pipelines

[0135] 72 Disinfect and / or block media channels

[0136] 74. Disinfect and / or block media channels

[0137] 76. Disinfect and / or block media channels

[0138] 78. Disinfect and / or block media channels

[0139] 80 Disinfect and / or block media channels

[0140] D. Rotation axis

[0141] F1 First Filling Material Path

[0142] F2 Second Filling Material Path

[0143] R Cleaning Media Path

[0144] S disinfects and / or blocks media pathways

Claims

1. A rotary dispenser (10) for a filling device for filling containers, wherein, The rotary distributor (10) has: The fixing part (12) has a first filling material path (F1) for guiding the first filling material and a second filling material path (F2) for guiding the second filling material that is separated from the first filling material; A rotatable portion (36) is rotatably connected to the fixed portion (12) about a rotation axis (D) and has a second portion of the second filling material path (F2); and At least one axial seal (58, 64) is arranged circumferentially and coaxial with the axis of rotation (D), and seals the transition between the first and second portions of the second filling material path (F2).

2. The rotary distributor (10) according to claim 1, wherein, The at least one axial seal (58, 64) has: A first axial seal (58) seals radially inwardly from the second filling material path (F2) the transition between the first and second portions of the second filling material path (F2), preferably toward the filling material tank (18) of the filling device; and A second axial seal (64) seals radially outward from the second filling material path (F2) the transition between the first and second portions of the second filling material path (F2), preferably towards the periphery of the rotary dispenser (10). Preferably, at least one of the following is satisfied: The first axial seal (58) and the second axial seal (64) are coaxial with each other; The first axial seal (58) is arranged lower than the second axial seal (64); The first axial seal (58) is arranged radially relative to the axis of rotation (D) inside the second axial seal (64); and The first axial seal (58) and the second axial seal (64) together form a double coaxial seal.

3. The rotary distributor (10) according to claim 1 or claim 2, wherein, Each of the at least one axial seal (58, 64) has: Sealing elements (60, 66) housed in the fixed portion (12); and Another sealing element (62, 68) is housed in the rotatable portion (36) opposite to the sealing elements (60, 66) and is axially and sealingly connected to the sealing elements (60, 66). Preferably, at least one of the following is satisfied: The sealing element (60, 66) is axially pressed against the other sealing element (62, 68) by at least one elastic element, and vice versa; The sealing elements (60, 66) are radially supported by at least one O-ring; and The other sealing element (62, 68) is radially supported by at least one O-ring.

4. The rotary distributor (10) according to claim 3, wherein, The sealing elements (60, 66) have an inner sealing ring, preferably a silicon carbide inner sealing ring, and an outer sealing ring, preferably a silicon carbide outer sealing ring. Preferably, at least one of the following conditions is met: The inner sealing ring and the outer sealing ring are arranged coaxially with respect to each other; The inner sealing ring and the outer sealing ring can move independently of each other; The inner sealing ring and the outer sealing ring are spaced apart from each other by an annular gap, through which the disinfecting and / or blocking medium can preferably be supplied to the other sealing element (62, 68).

5. The rotary distributor (10) according to claim 3 or claim 4, wherein, The other sealing element (62, 68) preferably has a single sealing ring, preferably a carbon sealing ring. Preferably: The sealing ring has disinfection and / or blocking medium channels (74, 76) for discharging disinfection and / or blocking media to disinfect and / or block the corresponding axial seals (58, 64).

6. The rotary distributor (10) according to any one of the preceding claims, wherein, The fixed portion (12) also has a cleaning medium path (R) for guiding the cleaning medium. Preferably, at least one of the following is satisfied: The cleaning medium path (R) extends parallel to the first filling material path (F1); and The cleaning medium path (R) extends in the pipeline wall that defines the first filling material path (F1).

7. The rotary distributor (10) according to any one of the preceding claims, wherein, The fixed portion (12) also has a disinfection and / or blocking medium path (S) for supplying disinfection and / or blocking medium to the at least one axial seal (58, 64) to disinfect and / or block the at least one axial seal (58, 64).

8. The rotary distributor (10) according to any one of the preceding claims, wherein, The fixed portion (12) has a filling material pipeline (14) with a first, preferred center through which the first filling material path (F1) passes. Preferably, at least one of the following is also satisfied: The central longitudinal axis of the first filling material pipeline (14) corresponds to the rotation axis (D); The upper end of the first filling material pipeline (14) has a connecting flange (16); and The lower end of the first filling material line (14) has a diffuser (20) for conveying the first filling material into the filling material tank (18) of the filling device.

9. The rotary distributor (10) according to any one of the preceding claims, wherein, The fixed portion (12) has a second filling material line (26) and an annular body (32) having a filling material channel (34), wherein the first portion of the second filling material path (F2) extends through the second filling material line (26) and the filling material channel (34).

10. The rotary distributor (10) according to claim 9, wherein, Meet at least one of the following: The upper end of the second filling material pipeline (26) has a connecting flange (28); The lower flange of the second filling material line (26) is preferably eccentrically connected to the upper side of the annular body (32); The filling material channel (34) extends eccentrically through the annular body (32); The annular body (32) has at least one support, and the at least one axial seal (58, 64) is at least partially accommodated therein. The annular body (32) has a disinfection and / or blocking medium channel (72) for supplying disinfection and / or blocking medium to the at least one axial seal (58, 64) to disinfect and / or block the at least one axial seal (58, 64).

11. The rotary distributor (10) according to claim 9 or 10 and claim 8, wherein, Meet at least one of the following: The annular body (32) surrounds the first filling material pipeline (14) and is preferably coaxial with the central longitudinal axis of the first filling material pipeline (14); and The second filling material line (26) extends alongside the first filling material line (14).

12. The rotary distributor (10) according to any one of the preceding claims, wherein, The rotatable part (36) has a preferably sleeve-shaped housing (50) with a filling material channel (54), wherein the second portion of the second filling material path (F2) extends through the filling material channel (54).

13. The rotary distributor (10) according to claim 12, wherein, Meet at least one of the following: The filling material channel (54) has a plurality of outlet openings distributed around the outer periphery of the housing (50); The housing (50) has a mounting flange (56), preferably at the lower part, for mounting the housing (50) to the filling material tank (18) of the filling device in a torsion-resistant manner; The housing (50) has at least one annular support, in which the at least one axial seal (58, 64) is at least partially housed; and The housing (50) has at least one disinfection and / or blocking medium channel (78, 80) for discharging disinfection and / or blocking medium from the at least one axial seal (58, 64).

14. The rotary distributor (10) according to claim 12 or 13 and any one of claims 9 to 11, wherein, Meet at least one of the following: The filling material channel (34) of the annular body (32) leads to the filling material channel (54) of the housing (50); The housing (50) surrounds the annular body (32); The at least one axial seal (58, 64) seals between the annular body (32) and the housing (50); and The at least one axial seal (58, 64) is partially housed in the annular body (32) and partially housed in the housing (50) in each case.

15. A filling apparatus for filling containers containing a first filling material and a second filling material, wherein, The filling device has: The rotary distributor (10) according to any one of the preceding claims, and optionally at least one of the following: Preferably, it is a central and / or rotatable filling material container (18) into which the first filling material path (F1) leads; and Preferably, a rotatable annular channel is connected to the second filling material path (F2) for receiving the second filling material (F2).

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