54 results about "Ring element" patented technology

A self-aligning roller bearing (1) comprising an inner bearing ring element (2), an outer bearing ring element (3), and at least a series of roller elements (4) arranged between the inner and outer bearing ring elements (2, 3), wherein the inner bearing ring element (2) has a retaining flange (21) provided on a first axial side of the roller bearing (1), the retaining flange (21) being designed to prevent the roller elements (4) from falling out of the roller bearing (1) through a first axial opening (Ax) between the inner and outer bearing ring elements (2, 3) on the first axial side, the roller bearing (1) further comprising a first sealing ring element (5) arranged on the first axial side for sealing the first axial opening (Ax), the first sealing ring element (5) being rotatable with respect to the inner bearing ring element (2) and bearing against a sealing mating surface (23) of the inner bearing ring element. (2) seals,wherein the retaining flange (21) provides at least one filling recess (22) which is designed to allow the roller elements (4) to be inserted between the inner and outer bearing ring elements (2, 3) during the assembly of the roller bearing (1), and the sealing mating surface (23) is arranged axially outside the at least one filling recess (22).

A header part of an implantable medical device, a method for manufacturing the header part and a plug assembly which can be joined into the header part are described. The header part has a header part housing with at least one blind-hole-like plug contact socket with a socket opening and a socket bottom axially opposite the socket opening, at least one electrically conductive contact ring element and an electrically insulating, elastically deformable sealing ring are joined in a coaxial arrangement and in axially successive order along the second plug contact socket, which contact ring element and which sealing ring are surrounded by a hardened casting material. The invention is characterized in that at least one second blind-hole-like plug contact socket is arranged inside the header part, which second plug contact socket has a socket opening and a socket bottom axially opposite the socket opening, at least one electrically conductive contact ring element and an electrically insulating, elastically deformable sealing ring are joined in a coaxial arrangement and in axially successive order along the second plug contact socket, which contact ring element and which sealing ring are surrounded by a hardened casting material, the socket bottoms of the two plug contact sockets are each delimited by a connection which is at least partially surrounded by hardened casting material, and the connection contains a through channel which opens on both sides into the blind-hole-like plug contact socket.

A tensioning system for use with an article of footwear includes a pulley assembly. The pulley assembly may include a first disc and a second disc connected by a central shaft. A tensioning element can be engaged around the central shaft. A ring element can be used to prevent the tensioning element from disengaging the pulley when there is slack in the tensioning element. The pulley assembly can include a guide portion that guides a tensioning member so as to restrict the entry angle of segments of the tensioning member.

Drive system that includes: an inner race element (14); an outer race element (16); a first disengageable clamping element coupling (18) arranged between the inner race element (14) and the outer race element (16), wherein the first disengageable clamping element coupling (18) has a drive direction and a free-running direction; and a second disengageable clamping element coupling (20) arranged between the inner running ring element (14) and the outer running ring element (16), wherein the second disengageable clamping element coupling (20) has a drive direction and a freewheel direction which are opposite to the drive direction and to the freewheel direction of the first disengageable clamping element coupling (18); characterized by the fact that (i) the first disengageable clamping clutch (18) and the second disengageable clamping clutch (20) each include a disengagement mechanism to prevent the first and second disengageable clamping clutches (18, 20) from being engaged in a drive direction; wherein the release mechanism includes an extendable ring (42) which engages the clamping elements of the first disengageable clamping element coupling (18) or the second disengageable clamping element coupling (20), and when it is stretched, prevents the clamping elements from engaging the inner running ring element (14); or (ii) the first disengageable clamping element coupling (18) and the second disengageable clamping element coupling (20) each contain several clamping elements (30) with a clamping surface (30d) for engaging the inner running ring element (14) and wherein the several clamping elements (30) each contain a recess (30e) within the clamping surface (30d), wherein in the recess (30e) each of the clamping elements (30) receives an expandable ring (42).

A microelectromechanical array includes a substrate, a plurality of first ring elements, a plurality of second ring elements, and a plurality of electrodes. The substrate has a plurality of anchor pieces. The first ring elements include a plurality of first ring portions and a plurality of first coupling segments. The first ring elements are spaced apart from the substrate. The first coupling segments are connected to the first ring portions, so as to jointly have a node. Each of the second ring elements includes a plurality of second ring portions and a plurality of second coupling segments. The phases of each of second ring portions and the phases of each of the first ring portions are opposite. The electrodes are disposed on the substrate. Each of the electrodes is surrounded by any one of the first ring portions or the second ring portions, without coming in contact therewith.

A device (1) for dispensing a fluid substance comprising an outer container (2) and a deformable bag (4), the deformable bag being housed in the outer container (2) and endowed with a neck (7) from which a first flange (6) extends, a pump (3) coupled to the deformable bag (4) in a sealed manner, and a ring element (5), which rests on a free edge (8) of the outer container (2) and is endowed with an opening (9) configured to at least partially house the neck (7) of the deformable bag (4), the opening (9) being peripherally delimited by a support surface (10) that comes into contact with the said first flange (6) on the deformable bag (4), supporting the said bag, the ring (5) being made of at least two half-shells (5A, 5B) configured to close around the neck of the deformable bag (4).

This application relates to the field of antenna technology, disclosing an antenna device and a wireless communication device. The antenna device includes a central element, a ring element, and a feed line. The central element has a first feed point. The ring elements are spaced around the periphery of the central element and have a second feed point. The feed line includes a first conductor and a second conductor. The first end of the first conductor is electrically connected to the first feed point, and the first end of the second conductor is electrically connected to the second feed point. The second ends of both the first and second conductors are used to connect to an external radio frequency port. This application's antenna device, by designing the two elements in a nested structure—that is, the ring element surrounding the outside of the central element—and the first and second conductors of the feed line connecting the first and second feed points respectively, reduces the overall size of the antenna device without affecting its performance. This allows the antenna device to be installed inside a product, meeting the requirements of product miniaturization.

The present application relates to the field of gyroscopic load calculation, and discloses a gyroscopic load calculation method and system based on 2D finite elements, which comprises the following steps: establishing a ring element model for the axisymmetric structure in an aero-engine rotor, and using integration and isoparametric transformation to calculate the gyroscopic load expression of all ring elements in the ring element model; establishing a plane stress element model for the non-axisymmetric structure in the aero-engine rotor, and calculating the gyroscopic load expression of all plane stress elements according to the element thickness of the plane stress elements in the plane stress element model; generating a system total load equation according to the gyroscopic load expression of the ring elements and the gyroscopic load expression of the plane stress elements, and solving the system total load equation to obtain the gyroscopic load of the aero-engine rotor; and the system comprises a data acquisition module, a modeling module and a calculation module. The present application can improve the accuracy of the calculation results, simplify the calculation process, improve the calculation efficiency, and save a large amount of manpower.

The invention relates to a recessed luminaire (1) with a mounting system (10) comprising a mounting ring (100) for mounting a luminaire unit (20) of the recessed luminaire (1) in a recess (990) of an assembly structure (900) having a top surface (991) and a bottom surface (992). The mounting ring (100) and the mounting system (10) are likewise configured for insertion and mounting in the recess (990) in a mounting direction (D). The mounting ring (100) comprises a ring element (110), wherein the ring element (110) comprises a flange portion (112) configured to interact with the bottom surface (992); and at least two bars (120) arranged on the ring element (110). Each bar (120) is configured for coupling with a latching arm (200) of the mounting system (10), wherein each latching arm (200) interacts with the top surface (991) and holds the mounting ring (100) within the recess (990). Thereby, each bar (120) is a separate element toollessly attached to the ring element (110).

This invention provides a copper needle chip separation device, comprising: a separation pipe; a first vortex separator, disposed at one end of the separation pipe, including a first inlet and a first outlet, the first inlet and the first outlet respectively connected to the separation pipe; and a second vortex separator, disposed at the other end of the separation pipe, including a second inlet, a second outlet, a flow-dividing vane, and at least one guide plate, the second inlet and the second outlet respectively connected to a separation channel, the flow-dividing vane connected to the periphery of the second outlet and extending obliquely outward from the second outlet along the material flow direction, and the guide plate arranged around the flow-dividing vane, which is a non-closed ring element. This invention requires minimal manual intervention, giving it significant advantages over conventional chip separation methods, such as high efficiency and good separation effect. Simultaneously, it avoids the problem of damage to the component surface, making it a novel copper needle chip separation device and method with broad application prospects.

The utility model discloses a multistage planetary gear structure suitable for a surgical electric anastomat, which comprises an anastomat main body machine, and a non-differential planetary gear transmission mechanism is mounted in the anastomat main body machine. According to the device, the non-differential planetary gear transmission mechanism, the first-stage planetary gear transmission mechanism, the second-stage planetary gear transmission mechanism, the third-stage planetary gear transmission mechanism and the fourth-stage planetary gear transmission mechanism are arranged, and a sun gear and a planet carrier in each stage in multi-stage planetary gear transmission are non-fixed elements; the first-stage planetary gear transmission mechanism, the second-stage planetary gear transmission mechanism, the third-stage planetary gear transmission mechanism and the fourth-stage planetary gear transmission mechanism share the same fixed inner gear ring element, four-stage planetary gear transmission assembly matching teeth are non-factorization type matching teeth, the torque variation is 1 / 4 of the factorization type matching teeth, the frequency is 4 times of the factorization type matching teeth, the meshing quality between a planetary gear and a sun gear can be improved, system torsional vibration is compensated, and the transmission efficiency is improved. Periodic impact is effectively avoided, torque is stably output, and stable and safe use of the anastomat body machine is facilitated.

The utility model discloses a ferrule module for operation training and an operation simulation device. The ferrule module comprises a base; the stand column is arranged on the base; the ferrule element is movably arranged on the stand column in a sleeving manner; the sensing assembly is arranged on the ferrule element and / or the stand column; the signal processing module is electrically connected with the sensing assembly; the prompting device is connected with the signal processing module; the sensing assembly is used for detecting the relative position relation between the ferrule element and the stand column, and the signal processing module judges whether the ferrule action reaches the standard or not according to a sensing signal and outputs feedback through the prompting device. In this way, the sensing assembly is arranged on the ferrule element and / or the stand column, whether the ferrule action reaches the standard or not is automatically detected, the training result is fed back in real time, and the training process is more accurate and intelligent.

The application provides a hash table-based full-element regularization method and device, electronic equipment and medium, comprising: obtaining a to-be-regularized original interpretation vector file, and traversing elements contained in the original interpretation vector file to obtain an original plane element set and an original ring element set; constructing a point-ring hash table, a ring-plane hash table and an adjacent element overlapping point set based on the original plane element set and the original ring element set; performing simplification processing on the original interpretation vector file to obtain a new interpretation vector file, and traversing elements contained in the new interpretation vector file to obtain a new ring element set; determining a target overlapping point set according to the original ring element set, the new ring element set, the point-ring hash table and the adjacent element overlapping point set; and determining a target interpretation vector file after regularization according to the original plane element set, the ring-plane hash table and the target overlapping point set. The application is effective for full-element adjacency, and can effectively improve vector simplification efficiency and visual results under dense conditions.

A LIDAR system including an emitter configured to emit at least one light beam; a detector configured for receiving light reflected from surrounding objects; and a rotatable scanning element including a reflective prism having at least four faces inclined relative to the axis of rotation, and a ring element having an interior edge face extending around in a plane orthogonal to the axis of rotation, the interior edge face having a variable angle varying from perpendicular to skewed relative to the axis of rotation, the emitter, the detector, and the rotatable scanning element being arranged such that the beam is incident on the interior edge face of the ring element and subsequently on one face of the at least four faces of the reflective prism, an angle of incidence of beam on the face depending on the variable angle of the ring element.

A representative seal system (such as a seal system for a turbopump of a rocket engine) automatically adjusts a balance ratio of a seal. The system can include a ring element encircling an axis. A front side of the ring element contacts a revolving surface to form a seal with the revolving surface. The front side can include a stepped surface having two or more steps. Each step includes a sealing surface configured to contact the revolving surface to form a sealing area that is different from a sealing area of each other sealing surface. Each step is positioned and configured to wear away during operation of the machine to expose an underlying surface to the revolving surface, to change the sealing area and the balance ratio of the seal. A representative method of operating a turbomachinery system includes changing the balance ratio of a seal while rotating a rotor.

The invention relates to a gear pump assembly (1), in particular a gear pump assembly (1) of an axial piston machine in swashplate design, wherein the gear pump assembly (1) comprises a gear assembly (2) configured to convey hydraulic fluid from a suction side to a delivery side, wherein the gear assembly (2) is arranged in a housing recess (3) of a housing (4) of the gear pump assembly (1) and is fixed axially in the housing recess (3) by means of a cover (16) that closes the housing recess (3), wherein a compensating element (20) is arranged between the gear assembly (2) and the cover (16). The compensating element (20) is designed as a plastically deformable ring element (30) which is plastically deformable during the assembly process of the cover (16) on the housing (4).

A tower for a wind turbine is provided, including at least one tubular tower section, the tower section including two or more ring segments forming together a ring element and a connection arrangement connecting two adjacent ones of the ring segments with each other, wherein the connection arrangement includes gap generation means for generating and maintaining a predefined gap between the two adjacent ring segments.By allowing the gap between the connected ring segments, arranging and connecting the ring segments is facilitated. In particular, a lower precision in positioning the ring segments next to each other is required. Further, the gap generation means allow re-adjustment of the relative position of the connected ring sections at any time during manufacture and / or operation.

A method for manufacturing a rolling or sliding bearing ring (1) is disclosed, comprising: - forming (S2) a metallic ring element (1) by depositing metal using a directed energy deposition (DED) process; and - applying (S3) a load-bearing surface (11) to the formed metallic ring element (1') using a further DED process.

The invention discloses an NFC encryption authentication system based on an algebraic number theory, and belongs to the technical field of information security. The system comprises an NFC encryption authentication module, a data transmission optimization module and an intelligent interaction expansion module: generating public and private keys based on ideal operation by constructing an algebraic number field and an algebraic integer ring, and mapping NFC data into a ring element sequence to complete encryption and decryption; the transmission efficiency is optimized through number theory channel coding and data grouping, and the stability of big data transmission is improved; intelligent interaction and security enhancement are realized through user behavior modeling and a dynamic one-time key. Based on mathematical problem characteristics of algebraic number theory, attack means such as man-in-the-middle attack and cryptographic analysis are effectively resisted, NFC transmission efficiency and application expansibility are improved, and the method is suitable for scenes such as mobile payment, digital car keys and intelligent access control.

The invention relates to a wheel bearing (1) for a motor vehicle, the wheel bearing comprising an inner ring (2), an outer ring (3) which is mounted on rolling elements relative to the inner ring (2), a sealing arrangement (6) which is inserted between the two rings (2, 3) and seals off a plurality of rolling elements (4) on at least one side (5), and a signal generating device (7) for determining a rotational speed and / or rotational position of one of the rings (2, 3), wherein the signal generating device (7) is integrated in a ring element (8) of the sealing arrangement (6), which ring element is connected to one of the rings (2, 3) for conjoint rotation therewith. The invention also relates to a wheel bearing unit (20) comprising said wheel bearing (1).

The present application realizes the construction of a two-stage transmission that can well ensure the transmission efficiency of torque. The two-stage transmission is provided with an input member that is rotatable relative to a fixed part, an output member that is coaxial with the input member and is relatively rotatable, a rotating member that is coaxial with the above members and is relatively rotatable, a first engagement device that switches the engagement of a first friction plate and a second friction plate to switch the state of the input member and the rotating member to be integrated or relatively rotatable, a second engagement device that switches the state of the rotating member to be rotatable or non-rotatable, an elastic force applying mechanism that applies a force of mutual pressure to the first friction plate and the second friction plate, a pressing device that releases the force of mutual pressure, a first bearing between the elastic force applying mechanism and the pressing device, a second bearing between the rotating member and the pressing device or the fixed part, and a planetary reduction mechanism. The sun element of the planetary reduction mechanism is connected to the input member or the rotating member, the gear carrier is connected to the rotating member or one of the input member and the output member, and the ring element is connected to the other one.

Freewheel (1), in particular a clamping roller freewheel, comprising: - a ring element (2), in particular an inner ring or an outer ring, with at least one clamping ramp (3) for clamping a clamping element (4), - one clamping element (4) per clamping ramp (3) which rests against at least one clamping ramp (3), - wherein the at least one clamping ramp (3) has at least a first (5) and a second sub-section (6), - wherein the second sub-area (6) is designed as a force transmission area in such a way that a relative movement between the clamping element (4) and the ring element (2) can be prevented, - wherein the first sub-area (5) is designed as an overload area such that a relative movement between clamping element (4) and ring element (2) can be ensured, thereby preventing a force transmission from the first ring element (2) to the at least one clamping element (4), - wherein the first sub-section (5) allows relative movement between clamping element (4) and ring element (2) by ensuring that at the contact point (A) between clamping element (4) and clamping ramp (3) the tangent of the angle (α) formed between a force (F) to be transmitted and a normal (N1) of the first sub-section (5) arranged on the contact point (A) is greater than or equal to the coefficient of friction (µ) of the materials of the friction pair ring element (2) and clamping element (4).

The invention relates to a separation machine with a rotary device located in a drum and a discharge system (10) for at least one partial flow of a product separated within the drum, wherein the discharge system (10) has an arc-shaped channel (22) with a channel inlet (21), wherein the channel (22) is formed at least partially within a ring element (20), wherein the at least one channel (22) directs the at least one partial flow from an outer region of the ring element (20) to at least one axial opening (45), wherein the ring element (20) is rotatably arranged on and / or adjacent to two eccentric discs (30, 40) and the eccentric discs (30, 40) are directly or indirectly fixedly connected to a rotatable tube (90) such that both eccentric discs (30, 40) together with the tube (90) can be moved uniformly.wherein the ring element (20) is connected to a stationary hub element (60) by means of a drive element (50).

Transformer (100) comprising a core (10) extending along a winding axis (A). The transformer (100) further comprises a winding (20) wound around the core (10) and extending along the winding axis (A), wherein the winding (20) terminates in a first axial end surface (21) and in a second axial end surface (22). The first axial end surface (21) is arranged opposite the second axial end surface (22) along the winding axis (A). The first axial end surface (21) and the second axial end surface (22) extend along a radial direct ion (R), which is perpendicular to the winding axis (A). The transformer (100) further comprises a ring element (30) arranged at the first axial end surface (21). The ring element (30) comprises ferromagnetic sheets (31), aligned along the winding axis (A). The ring element (30) further comprises an insulating shell (32) covering the ferromagnetic sheets (31).

The invention relates to a separating machine having a rotating device located in a drum and a drain system (10) for at least one partial flow of a product separated within the drum, wherein the drain system (10) has an arcuate channel (22) with a channel inlet (21), the channel (22) is at least partly formed within an annular element (20), the at least one channel (22) deflects the at least one partial flow from an outer region of the ring element (20) to at least one axial opening (45), the ring element (20) is mounted so as to be rotatable on and / or against two eccentric discs (30, 40), the eccentric discs (30, 40) are directly or indirectly stationarily connected to a rotatable tube (90) such that the two eccentric discs (30, 40) can be moved uniformly together with the tube (90), and the ring element (20) is connected to a stationary hub element (60) by means of a driver element (50).

Transformer (100) comprising a core (10) extending along a winding axis (A). The transformer (100) further com prises a winding (20) wound around the core (10) and extendi ng along the winding axis (A), wherein the winding (20) term inates in a first axial end surface (21) and in a second axia l end surface (22). The first axial end surface (21) is a rranged opposite the second axial end surface (22) along th e winding axis (A). The first axial end surface (21) and the second axial end surface (22) extend along a radial direct ion (R), which is perpendicular to the winding axis (A). The transformer (100) further comprises a ring element (30) arranged at the first axial end surface (21). The r ing element (30) comprises ferromagnetic sheets (31), a ligned along the winding axis (A). The ring element (30) f urther comprises an insulating shell (32) covering the fer romagnetic sheets (31).

The present disclosure provides a sensor arrangement for reflecting scattered light from a laser beam, the sensor arrangement comprising: a first optical element; a cone of the housing, which is arranged behind the first optical element in the direction of the beam path of the laser beam, the cone of the housing comprising a conical stepped reflector, the shape of which corresponds to the shape of the cone of the housing, the cone of the housing being arranged behind the first optical element in the direction of the beam path of the laser beam, and the conical stepped reflector is formed by a plurality of ring elements, each ring element having a reflector surface on an inner side facing a beam path of the laser beam; and elements for receiving light reflected by the respective reflector surfaces of the plurality of annular elements, the elements being arranged on a side of the optical element opposite the cone of the housing. The invention further provides a laser material machining head and laser material machining equipment.

A sealing device is provided for sealing a fluid in a cup. The sealing device can include a sealing element sized to substantially cover an opening of the cup. The sealing element can be formed from a first material and have an outer diameter. The sealing device can also include a ring element fixed to the sealing element to provide rigidity to an outer perimeter of the sealing element. The ring element can be formed from a second material, which may be different from the first material. The ring element can have an inner diameter that is less than or equal to the outer diameter of the sealing element. The sealing device can be press fitted between a rim of the cup and a lid of the cup to seal the fluid in the cup.

The invention relates to a partition net device (1) for a motor vehicle, with a tension band fixation (2) comprising a tubular element (3) and a tension band (4) with an end loop (9) which is guided around the tubular element (3) in a band area (10), wherein the band area (10) is bounded at one end by a proximal ring element (11) which surrounds the tubular element (3), and a plug element (13) is attached to an end area (12) of the tubular element (3), which bounds the band area (10) at the other end and has an internal geometry (14) which is inserted into the tubular element (3) and embossed with it for fixation, and the outer circumference (16) of the plug element (13) is larger than that of the tubular element (3) in the band area (10), and the band area (10) is spanned by a bridge element (17). Furthermore, the invention relates to a method for providing a partition net device (1) and a motor vehicle.

The invention relates to the field of numerical simulation calculation, and particularly discloses an integrated calculation method for a fractured rock mass grouting diffusion and pressure dissipation process. According to the method, a crack area is dispersed into a limited number of uniformly-spaced annular units, the slurry diffusion process is calculated in a time advancing mode, the slurry diffusion frontal surface position is tracked at any time in the calculation process, and a slurry flow control equation and a crack deformation control equation are introduced; according to the method, iterative solution of the pressure field and the velocity field is achieved at each time step, accurate calculation considering the fractured rock mass grouting diffusion and pressure dissipation process is finally achieved, reliable reference data is provided for fractured rock mass grouting design, and the prediction precision of the fractured rock mass grouting effect is improved to a great extent.