Oil separator unit for a compressor system

Abstract

The present invention relates to an oil separator unit (100) for a compressor system (1) having an oil separator element (110), a discharge component (130) and a receiving component (140), wherein the discharge component (130) is provided with an oil discharge element (132) and a compressed air pipe (134), wherein the oil discharge element (132) and the compressed air pipe (134) are designed to be arranged spaced apart from one another in such a way that an oil discharge gap (X) is formed between the oil discharge element (132) and the compressed air pipe (134), and wherein the oil discharge gap (X) is designed in such a way that a filter function can be performed by means of the oil discharge gap (X). The present invention also relates to a compressor system (1), a discharge component (130) and a receiving component (140).

Description

[0001] DESCRIPTION

[0002] Oil separator unit for a compressor system

[0003] The present invention relates to an oil separator unit for a compressor system, a compressor system for a commercial and / or rail vehicle, a discharge component and a receiving component.

[0004] In the practical application of deoiling units or oil separators, such as air treatment cartridges for deoiling the compressed air used in compressor units, numerous failures of such systems are due to condensation effects and the associated corrosion of the deoiling units or oil separators. This also applies to the use of compressor systems for providing compressed air in, for example, commercial and rail vehicles.

[0005] Particularly when the compressor system or compressor unit is operated for a short time, the condensate in the oil separators or the deoiling cartridge can cause such corrosion phenomena.

[0006] Even the application of targeted surface treatments or finishes cannot adequately prevent these corrosion phenomena or the release or entrainment of corrosion particles.

[0007] Corrosion particles from the deoiling unit or oil separator can therefore accumulate and block or even completely clog the oil return line or channel. As a result, very high levels of oil carryover occur during operation, even leading to the complete failure of the compressor unit or compressor system.

[0008] The object of the present invention is to provide an oil separator unit that ensures efficient, safe, cost-effective, and low-maintenance operation, as well as equally advantageous production, particularly by eliminating the need for additional components. Furthermore, the object of the present invention is to provide a compressor system, a receiving component, and a discharge component.

[0009] This object is achieved according to the invention by an oil separator unit according to independent claim 1, with regard to the compressor system by the subject matter according to claim 8, with regard to the receiving component by the subject matter according to claim 9 and with regard to the discharge component by the subject matter according to claim 13. Preferred embodiments are specified in the dependent claims.

[0010] According to the present invention, an oil separator unit for a compressor system is provided, comprising an oil separator element, in particular an oil separator cartridge, a discharge component for forwarding or returning treated compressed air and separated oil from the oil separator element, and a receiving component for receiving and / or arranging the oil separator element and the discharge component. The discharge component is provided with an oil discharge element and a compressed air pipe, wherein the oil discharge element and the compressed air pipe are configured to be spaced apart from one another such that an oil discharge gap is formed between the oil discharge element and the compressed air pipe.The oil discharge gap is designed such that a filter function can be performed by means of the oil discharge gap for the forwarding of treated oil along the oil discharge element for use in a compressor unit of a compressor system.

[0011] The invention is based on the basic idea that a specific design of already existing components or elements of an oil separator unit can be used as an integral functional design, in particular for implementing a filter function or in the sense of a filter unit that is simultaneously easy, efficient and cost-effective to maintain.

[0012] In particular, such an inventive design can increase the robustness of the oil separator unit or an associated compressor system against corrosion, for example, in the oil separator element. The targeted arrangement and design of the oil discharge element and the compressed air pipe to form the oil discharge gap can prevent or prevent blockage of oil return lines or oil return channels. Furthermore, no additional filter unit is required within such oil return lines or oil returns to counteract the entry of or clogging by corrosion particles. According to the invention, filter elements arranged in this way also require no maintenance.

[0013] Rather, the separated oil can be filtered or treated directly using the discharge component, which is preferably easily accessible and easy to clean. Filtering of corrosion particles, i.e., treating the separated or separated oil in the manner of compressed air treatment using an oil separator element, can already be done at the inlet or inlet to the oil return line.

[0014] In particular, the easy accessibility and cleanability of the discharge component can be ensured by the discharge component being connectable or connectable to the oil separator element in such a way that only the oil separator element needs to be dismantled or removed, for example during regular maintenance or a service life-related replacement.

[0015] Accordingly, the risk of blockage of the oil return channel or the oil return line, or the entire oil return system, can be significantly reduced. Furthermore, cleaning and maintenance of oil separator elements according to the invention is possible during regular maintenance intervals, such as regular replacement of the oil separator element or the oil separator cartridge.

[0016] For example, in the event of a blockage due to contaminants on the discharge component, such as corrosion particles, these contaminants can be removed by simply removing or dismantling the oil separator element and the oil separator unit or compressor system can be put back into operation.

[0017] In this respect, the oil separator unit according to the invention can be used to remove corrosion particles and the like during regular maintenance and repair intervals, but does not require any interaction during normal operating hours. Furthermore, no replacement of components such as filter elements is necessary.

[0018] The receiving component can preferably be provided in the sense of a receiving platform or a receiving base for the oil separator element, for example as a cartridge, for attachment to a compressor system, such as the housing of a compressor unit.

[0019] In particular, the compressed air pipe can be provided as a downpipe for the removal and forwarding of treated compressed air from the oil separator element.

[0020] An oil discharge gap in the sense of the present invention can preferably be formed or can be formed along the extension of opposing surfaces of the oil discharge element and the compressed air pipe.

[0021] For the purposes of the present invention, a filter function is preferably understood to mean that objects and / or particles, such as, in particular, corrosion particles, can be removed, filtered out, or extracted from a fluid or oil stream. In this way, blockage and clogging of fluid connections or flow paths within an oil separator unit, as well as the entire associated compressor system, can be avoided.

[0022] Furthermore, within the meaning of the present invention, the term "separated oil" is to be understood in particular as the oil that can be separated or filtered out in and by means of the oil separator element from the (compressed) air stream that is fed from a compressor unit of the compressor system to the oil separator element for treatment. Within the meaning of the present invention, the term "treated oil" is preferably to be understood as the oil that is drained or passed on from the oil separator element via the oil drainage component and, in particular, according to the present invention, is suitable for further use in a compressor system or compressor unit. In the context of drainage via the oil drainage component, it is therefore provided according to the invention that the separated oil is subjected to or exposed to the filter function along the oil drainage gap and, as a result, the treated oil can be provided.

[0023] According to a preferred embodiment, the oil discharge gap can be formed by means of a distance between the oil discharge element and the compressed air pipe, wherein the distance for forming the oil discharge gap can be provided in a range of 0.05 mm and 0.15 mm, between 0.09 mm and 0.11 mm or between 0.095 mm and 0.105 mm, in particular the distance for the oil discharge gap can be provided with 0.1 mm.

[0024] Preferably, a distance of approximately 0.1 mm can be formed between the oil discharge element and the compressed air pipe, in particular taking into account any manufacturing tolerances.

[0025] Accordingly, the filtering function of the oil discharge component can be achieved by a specific positioning of the oil discharge element and the compressed air pipe.

[0026] In particular, the present invention can provide an integral filter function, i.e., exclusively based on and by means of existing components or elements of the oil separator unit. The use or application of additional filter elements within the oil separator unit is not necessary.

[0027] According to a further preferred embodiment, the oil discharge element and the compressed air pipe can be arranged coaxially with each other, and the oil discharge gap can be formed along the outer circumference of the compressed air pipe, preferably as an annular gap. In particular, the oil discharge gap can be formed along and by means of opposing surfaces of the oil discharge element and the compressed air pipe.

[0028] The filter function according to the invention can be achieved simply and efficiently by means of the relative positioning of the oil discharge element and the compressed air pipe during manufacture or installation and commissioning or maintenance of the oil separator unit.

[0029] According to a preferred embodiment, the formation of the oil discharge gap for performing the filter function can be provided in such a way that the treated oil can be used directly and / or immediately in a compressor unit of a compressor system.

[0030] For the purposes of the present invention, direct and / or immediate use or usability means that no additional processing and / or filtering of the oil is required in order to be suitable for further or repeated use in a compressor unit or a compressor system.

[0031] In this context, the filter function of the oil removal element, particularly provided by the inventive design of the oil removal gap, allows for sufficient treatment of the oil separated or collected in the oil separator element. In this sense, the treated oil drained or forwarded along the oil removal component can be considered ready for use.

[0032] According to a further embodiment, the receiving component can have at least one oil discharge receptacle for receiving and / or arranging the discharge component, so that the separated oil from the oil separator element can be returned or forwarded via the oil discharge gap as treated oil along the oil discharge receptacle for further use, in particular for direct and / or immediate further use, to a compressor unit of a compressor system. Furthermore, in one embodiment, it can be provided that the receiving component has an oil return line with an inlet and an outlet, wherein the oil discharge receptacle provides a fluid connection to the inlet of the oil return line, in particular opening into the inlet of the oil return line, so that the treated oil can be forwarded towards the compressor unit of the compressor system.

[0033] Accordingly, the discharge component can preferably be provided as a replaceable individual component that can be conveniently connected to the receiving component and the oil separator element. If the discharge component can no longer perform the filter function according to the invention, for example, due to deformation of the oil discharge gap, a simple and efficient replacement of the discharge component is possible.

[0034] Furthermore, according to the invention, the treated oil is forwarded or returned via the discharge component and along the oil discharge receptacle via the access to the oil return line. Preferably, this forwarding takes place in the sense of the invention for direct and / or immediate reuse, i.e., in particular, without the use or interposition of additional filter elements or the like to further treat the oil.

[0035] According to a preferred embodiment, a check valve can be provided between the inlet and the outlet or in the region of the outlet of the oil return line, so that the treated oil can be returned to a compressor unit of a compressor system via the inlet, the check valve, in particular directly and / or immediately via the check valve, and the outlet of the oil return line.

[0036] According to the invention, the oil return line can preferably be provided without an intermediate or additional filter element. The oil return line can only have the check valve between the inlet and the outlet or in the area of ​​the outlet.

[0037] The filter element or a filter function along the oil return line or the oil return channel is unnecessary since a sufficient filter function can already be provided in advance by the specific design of the discharge component, in particular for corrosion particles from, for example, the oil separator element and the like.

[0038] According to a subordinate aspect of the invention, a compressor system for a commercial and / or rail vehicle is provided with a compressor unit and an oil separator unit according to the invention, wherein the compressor unit has the receiving component for receiving and / or arranging at least one oil separator element and / or is connectable to the receiving component, in particular the receiving component is connectable to the compressor unit along a housing of the compressor unit.

[0039] In the sense of the present invention, the receiving component of the oil separator unit can be provided as an integral part of the compressor unit of the compressor system, in particular a housing of the compressor unit, or can be provided as a separate component that can be connected to the compressor unit.

[0040] Consequently, an efficient integration and design of the oil return line for the forwarding and return of the treated oil from the discharge component is available.

[0041] According to a further subordinate aspect of the invention, a receiving component is provided for use with an oil separator unit according to the invention and / or for use in a compressor system according to the invention, wherein the receiving component has at least one oil discharge receptacle for receiving and / or arranging the discharge component, so that the treated oil can be conveyed along the oil discharge receptacle for further use, in particular for direct and / or immediate

[0042] Further use, can be returned to a compressor unit of a compressor system.

[0043] In this sense, all aspects and advantages already mentioned above also apply equally to the individual recording components and their preferred embodiments.

[0044] According to a preferred embodiment, the receiving component can have an oil return line with an inlet and an outlet, wherein the oil discharge receptacle provides a fluid connection to the inlet of the oil return line, in particular opens into the inlet of the oil return line, so that the treated oil can be passed on towards the compressor unit of the compressor system.

[0045] According to a further preferred embodiment, a check valve is provided between the inlet and the outlet or in the region of the outlet of the oil return line, so that the treated oil can be returned to a compressor unit of a compressor system via the inlet, the check valve, in particular directly and / or immediately via the check valve, and the outlet of the oil return line.

[0046] In a further preferred embodiment, the receiving component can be designed to receive and / or arrange the oil separator element and the discharge component.

[0047] According to a further subordinate aspect of the invention, a discharge component is provided for use with an oil separator unit according to the invention, a receiving component according to the invention, and / or for use in a compressor system according to the invention, wherein the discharge component is provided with an oil discharge element and a compressed air pipe for conveying treated compressed air from the oil separator element. The oil discharge element and the compressed air pipe can be designed to be arranged at a distance from one another such that an oil discharge gap can be formed between the oil discharge element and the compressed air pipe, wherein the oil discharge gap can be designed such that a filter function can be performed by means of the oil discharge gap for conveying treated oil along the oil discharge element for use in a compressor unit of a compressor system.

[0048] In this sense, all aspects and advantages already mentioned above also apply equally to the individual discharge components and their preferred embodiments.

[0049] According to a preferred embodiment, the oil discharge gap can be formed by means of a distance between the oil discharge element and the compressed air pipe, wherein the distance for forming the oil discharge gap can be provided in a range of 0.05 mm and 0.15 mm, between 0.09 mm and 0.11 mm or between 0.095 mm and 0.105 mm, in particular the distance for the oil discharge gap can be provided with 0.1 mm.

[0050] According to a further preferred embodiment, the oil discharge element and the compressed air pipe can be arranged coaxially to one another and the oil discharge gap can be formed along the outer circumference of the compressed air pipe, preferably as an annular gap.

[0051] All advantages and technical effects achievable in connection with the oil separator unit according to the invention, the compressor system according to the invention, the receiving component according to the invention and / or the discharge component according to the invention can also apply individually or in combination to the respective individual objects according to the present invention.

[0052] Further details and advantages of the invention will now be explained in more detail with reference to the embodiment shown in the drawings.

[0053] They show schematically:

[0054] Fig. 1 is a representation of an embodiment of an oil separator unit; and Fig. 2 is a detailed representation of a discharge component according to the embodiment of Fig. 1.

[0055] Fig. 1 shows an illustration of an embodiment of an oil separator unit 100.

[0056] Fig. 2 illustrates a more detailed representation of a discharge component 130 according to the embodiment of an oil separator unit 100 according to Fig. 1. Accordingly, the oil separator unit 100 can be provided and used as part of a compressor system 1.

[0057] According to the embodiment of Figs. 1 and 2, the oil separator unit 100 is provided with an oil separator element 110, a discharge component 130 and a receiving component 140.

[0058] According to Fig. 1, the receiving component 140 can be attached, fastened or connected to / with a compressor unit 10, in particular a housing 12 of the compressor unit 10, of the compressor system 1.

[0059] The oil separator element 110 can be provided in the form of a cartridge.

[0060] The receiving component 140 may be provided as a base or a platform with an oil separator flange 146 on which the oil separator element 110 can be conveniently fastened.

[0061] The discharge component 130 can be expediently connected to the oil separator element 110, in particular, protrude into the oil separator element 110 in such a way that the discharge or removal of separated oil and treated compressed air is enabled. Furthermore, the discharge component 130 according to Fig. 1 can be expediently arranged and fastened in / on an oil discharge receptacle 142 of the receptacle component 140, in particular to enable the forwarding or return of the treated compressed air and treated oil.

[0062] According to Fig. 1, the receiving component 140 has an oil return line 150 with an inlet 152 and an outlet 154, wherein the oil return line 150, in particular the inlet 152, has or forms a fluid connection to the oil discharge receptacle 142.

[0063] A check valve 160 is provided along the oil return line 150, in particular exclusively a check valve 160. In the sense of the present invention, it is preferably not provided to arrange a filter element or the like along the return line 150.

[0064] Preferably, in the sense of the present invention, no further processing of the oil intended for reuse or further use in the compressor system takes place between the discharge component 130 and the outlet 154 of the oil return line 150.

[0065] Preferably, the check valve 160 according to Fig. 1 is arranged in the region of the outlet 154 of the oil return line 150 in the receiving component 140. Alternatively, the check valve 160 can be provided, for example, between the inlet 152 and the outlet 152 along the return line 150.

[0066] Furthermore, the receiving component can preferably be provided with a fluid line 144 for the expedient supply of compressed air to be treated from the compressor unit 10 to the oil separator element 110.

[0067] According to the embodiment in Figs. 1 and 2, the discharge component 130 is provided with an oil discharge element 132 and a compressed air pipe 134. The oil separator element 110 can, in particular, be connected to the discharge component 130 via the oil discharge element 132 or can be aligned and arranged relative to it.

[0068] It is intended to forward the treated, in particular de-oiled, compressed air via the compressed air pipe 134 or to discharge it from the oil separator element 110.

[0069] The separated oil can be further processed or forwarded via the oil removal element 132.

[0070] The oil discharge element 132 and the compressed air pipe 134 can be arranged coaxially to each other, as shown in detail in Fig. 2.

[0071] In particular, the oil discharge element 132 can encompass the compressed air pipe 134.

[0072] The oil discharge element 132 and the compressed air pipe 134 can form an oil discharge gap X based on a distance from one another, as shown in Fig. 2 in an enlarged detail view A.

[0073] In particular, opposing surfaces or edges of the oil discharge element 132 and the compressed air pipe 134 can serve to form the oil discharge gap X.

[0074] In the sense of the embodiment shown in Figs. 1 and 2, the oil discharge gap X can be designed as an annular gap. Alternatively, the oil discharge gap X can have the geometry that expediently corresponds to the opposing surfaces or edges of the oil discharge element 132 and the compressed air pipe 134.

[0075] In particular, the design of the oil discharge gap X is provided such that a filter function can be achieved for the oil separated by the oil separator element 110, for providing and forwarding or returning treated oil via the oil discharge gap X and the discharge component 130. Preferably, the filter function by means of the oil discharge gap X can be provided and expediently designed to separate or filter out particles such as corrosion particles and the like, for example from the oil separator element 110, from the separated oil.

[0076] It is preferably provided to exert a filtering function on the separated oil of the oil separator element 110 along and by means of the oil discharge gap X, for processing the separated oil and providing processed oil, in particular processed oil for direct and / or immediate further use in the compressor system 1 or a compressor unit 10.

[0077] Preferably, the oil discharge gap X can be formed based on a distance of approximately 0.1 mm between the oil discharge element 132 and the compressed air pipe 134, particularly taking into account any manufacturing or production tolerances. Alternatively, a distance, and thus a dimensioning of the oil discharge gap X, can be provided in a range of, for example, 0.05 mm to 0.15 mm, 0.09 mm to 0.11 mm, or 0.095 mm to 0.105 mm.

[0078] In summary, the present invention can provide and ensure a simple, efficient and expedient treatment of oil separated or separated by the oil separator element 110.

[0079] In particular, treated oil can be provided and forwarded in a ready-to-use or operational form using the discharge component 130 according to the invention. No additional filter function or filter unit is necessary along the oil return line, in particular not along the oil return line 150 of the receiving components 140.

[0080] By implementing a filter function using the discharge component 130, not only simplified manufacturing and improved durability are ensured, but also optimized maintenance. Preferably, it is only necessary to disassemble and / or replace the oil separator element 110 during, for example, normal maintenance and repair intervals in order to be able to clean and repair the filter function of the discharge component 130 in this context.

[0081] LIST OF REFERENCE SYMBOLS

[0082] 1 compressor system

[0083] 10 Compressor unit

[0084] 12 housings

[0085] 14 Housing flange

[0086] 100 oil separator unit

[0087] 110 Oil separator element

[0088] 130 discharge component

[0089] 132 Oil drainage element

[0090] 134 compressed air pipe

[0091] 140 Recording component

[0092] 142 Oil drain receptacle

[0093] 144 Fluid line (for compressed air to be treated)

[0094] 146 Oil separator flange

[0095] 150 Oil return line

[0096] 152 Access

[0097] 154 Exit

[0098] 160 check valve

[0099] X Oil drainage gap

Claims

PATENT CLAIMS 1 . An oil separator unit (100) for a compressor system (1) comprising an oil separator element (110), a discharge component (130) for forwarding treated compressed air and separated oil from the oil separator element (110), and a receiving component (140) for receiving and / or arranging the oil separator element (110) and the discharge component (130), wherein the discharge component (130) is provided with an oil discharge element (132) and a compressed air pipe (134), wherein the oil discharge element (132) and the compressed air pipe (134) are designed to be arranged at a distance from one another such that an oil discharge gap (X) is formed between the oil discharge element (132) and the compressed air pipe (134), and wherein the oil discharge gap (X) is designed such that a filter function can be performed by means of the oil discharge gap (X),for forwarding treated oil along the oil discharge element (132) for use in a compressor unit (10) of a compressor system (1)., 2. Oil separator unit (100) according to claim 1, characterized in that the oil discharge gap (X) is formed by means of a distance between the oil discharge element (132) and the compressed air pipe (134), wherein the distance for forming the oil discharge gap (X) is provided in a range of 0.05 mm and 0.15 mm, between 0.09 mm and 0.11 mm or between 0.095 mm and 0.105 mm, in particular the distance for the oil discharge gap is provided with 0.1 mm.

3. Oil separator unit (100) according to one of the preceding claims, characterized in that the oil discharge element (132) and the compressed air pipe (134) are arranged coaxially to one another and the oil discharge gap (X) is formed along the outer circumference of the compressed air pipe (134), preferably as an annular gap.

4. Oil separator unit (100) according to one of the preceding claims, characterized in that the formation of the oil discharge gap (X) is provided to perform a filter function such that the treated oil can be used directly and / or immediately in a compressor unit (10) of a compressor system (1).

5. Oil separator unit (100) according to one of the preceding claims, characterized in that the receiving component (140) has at least one oil discharge receptacle (142) for receiving and / or arranging the discharge component (130), so that the separated oil from the oil separator element (110) can be returned via the oil discharge gap (X) as treated oil along the oil discharge receptacle (142) for further use, in particular for direct and / or immediate further use, to a compressor unit (10) of a compressor system (1).

6. Oil separator unit (100) according to claim 5, characterized in that the receiving component (140) has an oil return line (150) with an inlet (152) and an outlet (154), wherein the oil discharge receptacle (142) provides a fluid connection to the inlet (152) of the oil return line (150), in particular opens into the inlet of the oil return line (150), so that the treated oil can be passed on in the direction of the compressor unit (10) of the compressor system (1).

7. Oil separator unit (100) according to claim 6, characterized in that a check valve (160) is provided between the inlet (152) and the outlet (154) or in the region of the outlet (154) of the oil return line (150), so that the treated oil can be returned to a compressor unit (10) of a compressor system (1) via the inlet (152), the check valve (160), in particular directly and / or immediately via the check valve (160), and the outlet (154) of the oil return line (150).

8. Compressor system (1) for a commercial and / or rail vehicle with a compressor unit (10) and an oil separator unit (100) according to one of the preceding claims, wherein the compressor unit (10) has the receiving component (140) and / or is connectable to the receiving component (140), in particular the receiving component (140) is connectable to the compressor unit (10) along a housing (12) of the compressor unit (10).

9. A receiving component (140) for use with an oil separator unit (100) and / or for use in a compressor system (1) according to one of the preceding claims, the receiving component (140) having at least one oil discharge receptacle (142) for receiving and / or arranging the discharge component (130), so that the treated oil can be returned along the oil discharge receptacle (142) for further use, in particular for direct and / or immediate further use, to a compressor unit (10) of a compressor system (1).

10. Receptacle component (140) according to claim 9, characterized in that the receptacle component (140) has an oil return line (150) with an inlet (152) and an outlet (154), wherein the oil discharge receptacle (142) provides a fluid connection to the inlet (152) of the oil return line (150), in particular opens into the inlet of the oil return line (150), so that the treated oil can be passed on in the direction of the compressor unit (10) of the compressor system (1).

11. Receiving component (140) according to claim 10, characterized in that a check valve (160) is provided between the inlet (152) and the outlet (154) or in the region of the outlet (154) of the oil return line (150), so that the treated oil is returned via the inlet (152), the check valve (160), in particular directly and / or immediately via the check valve (160), and the Outlet (154) of the oil return line (150) can be returned to a compressor unit (10) of a compressor system (1).

12. Receiving component (140) according to one of claims 9 to 11, characterized in that the receiving component (140) is designed to receive and / or arrange the oil separator element (110) and the discharge component (130).

13. Discharge component (130) for use with an oil separator unit (100), a receiving component (140) and / or for use in a compressor system (1) according to one of the preceding claims, wherein the discharge component (130) is provided with an oil discharge element (132) and a compressed air pipe (134) for forwarding treated compressed air from the oil separator element (110), wherein the oil discharge element (132) and the compressed air pipe (134) are designed to be arranged at a distance from one another such that an oil discharge gap (X) can be formed between the oil discharge element (132) and the compressed air pipe (134), and wherein the oil discharge gap (X) can be designed such that a filter function can be performed by means of the oil discharge gap (X) for forwarding treated oil along the oil discharge element (132) for the Use in a compressor unit (10) of a compressor system (1).

14. Discharge component (130) according to claim 13, characterized in that the oil discharge gap (X) can be formed by means of a distance between the oil discharge element (132) and the compressed air pipe (134), wherein the distance for forming the oil discharge gap (X) can be provided in a range of 0.05 mm and 0.15 mm, between 0.09 mm and 0.11 mm or between 0.095 mm and 0.105 mm, in particular the distance for the oil discharge gap can be provided with 0.1 mm.

15. Discharge component (130) according to claim 13 or 14, characterized in that the oil discharge element (132) and the compressed air pipe (134) can be arranged coaxially to one another and the oil discharge gap (X) can be formed along the outer circumference of the compressed air pipe (134), preferably as an annular gap.

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