537 results about "Axial distance" patented technology

The invention discloses a planar interconnection connector and an integrated assembly, and belongs to the field of adapters. The first plug-in assembly is mounted on the first shell; the other side of the first shell is provided with a second shell, and the other end of the second shell is provided with a second plugging assembly. An adapter assembly is arranged on the inner sides of the first shell and the second shell; the outer side of the second shell is sleeved with an elastic piece, and the elastic piece abuts against the first shell and the second plugging assembly. When plugging is carried out, the second housing extends into the inner side of the first housing, and the switching assembly is stressed and compressed at the same time, so that the first plugging assembly and the second plugging assembly move oppositely along the same axis direction. The second shell shrinks to enter the inner side of the first shell, meanwhile, the switching assembly is stressed and compressed, the floating compression distance is formed through the two inserting structures, the compression stroke of 1 mm is guaranteed in the axial direction, and the large-axial-distance compression stroke is achieved under the condition that the inserting isolation degree is guaranteed.

Provided is a solenoid comprising a molded coil, an anchor, and an armature. In the anchor, an outer peripheral convex portion and an inner peripheral convex portion are formed. When no current is being applied, axial distance between the outer peripheral convex portion of the anchor and an outer peripheral portion of the armature which is radially closest to the outer peripheral convex portion is smaller than axial distance between the inner peripheral convex portion of the anchor and an inner peripheral portion of the armature which is radially closest to the inner peripheral convex portion. In other words, timing at which the outer peripheral convex portion of the anchor and the outer peripheral portion of the armature face each other in a radial direction is shifted from timing at which the inner peripheral convex portion of the anchor and the inner peripheral portion of the armature face each other in the radial direction.

The invention relates to the technical field of aircraft propulsion systems, in particular to a special-shaped air inlet lip for an on-wing integrated distributed propulsion short cabin unit. The lip is located at the starting part of the air inlet section and is defined by an upper lip, a lower lip, a left lip and a right lip; the inner surface of the upper lip is arc-shaped; the inner surface of the lower lip is linear and is smoothly fused with the upper surface of the wing; the inner surfaces of the left and right lips are curved surfaces with curved sweep characteristics, and the lower half parts of the left and right lips are in an inward-contracting shape; the length of the air inlet channel is defined as the axial distance from the foremost edge of the upper lip to the section of the inlet of the ducted fan and is not greater than the fan diameter D; a first rectification area and a second rectification area are arranged in the air inlet channel to optimize a flow field. Through the fusion design of the special-shaped lip and the wing and the compact air inlet channel, the requirement for compact integrated layout on the wing is met, meanwhile, the additional resistance of the nacelle is effectively reduced, the total pressure recovery coefficient not lower than 0.9 and the flow coefficient larger than 0.8 are guaranteed, and uniform and stable high-quality air inlet is provided for the ducted fan.

The invention relates to the field of optical lenses, and discloses a camera shooting optical lens which is composed of a first lens, a second lens, a third lens, a fourth lens and a prism which are sequentially arranged from the object side to the image side. The focal length and the total optical length of the shooting optical lens are f and TTL respectively, the focal length of the first lens is f1, the combined focal length of the front two lenses is f12, the combined focal length of the rear three lenses is f234, the central curvature radiuses of the object side surface and the image side surface of the first lens are R1 and R2 respectively, the axial thicknesses of the first lens and the third lens are d1 and d5 respectively, and the central curvature radiuses of the object side surface and the image side surface of the third lens are R1 and R2 respectively. The axial distance from the object side surface of the first lens to the image side surface of the fourth lens is Td, the distance from the maximum effective aperture position of the object side surface of the third lens to the maximum effective aperture position of the image side surface of the third lens in the direction parallel to the optical axis is ET3, and the following relational expression is satisfied: f1 / f is greater than or equal to 0.30 and less than or equal to 0.70; f12 / f234 is greater than or equal to-1.40 and less than or equal to-0.426; -3.00 < = R1 / R2 < =-1.00; 0.16 < = Td / TTL < = 0.21; and 0.05 < = d5 / ET3 < = 0.66.

This disclosure relates to disk-style mascara brushes having thin plastic sheets and / or molded plastic used as spacers inserted between the bristle-containing disks. The spacers precisely control and adjust the axial distance between each bristle-containing disk and bristles so that the mascara brush is configured for optimal mascara deposit and eyelash separation.

The thrombectomy device comprises a thrombectomy support, a connecting pipe and a traction wire, an inner cavity is formed in the thrombectomy support with the traction wire, the thrombectomy support with the traction wire comprises a cutting part located at the near end, and an opening which is communicated with the inner cavity of the traction wire and is closed in the circumferential direction is formed in the cutting part of the traction wire. The traction wire cutting part comprises a far-end end part and a near-end end part which have an axial distance; the connecting rod is connected with the near-end end part of the traction wire thrombectomy bracket; the far end of the traction wire is connected with the traction wire thrombectomy support, and when the traction wire is subjected to traction action pointing to the near end, the traction wire applies radial compression force to the traction wire thrombectomy support. The thrombus extraction efficiency of the thrombus extraction device is high.

The invention relates to the technical field of oil and gas exploitation downhole tools, in particular to a multi-stage speed reduction gas anchor capable of being horizontally separated. The problems that an existing gas anchor is low in separation efficiency under the working conditions of a horizontal well and a high gas-liquid ratio, and gas locking of a liquid discharging pump is easily caused are solved. An annular separation cavity is formed between the outer pipe body and the inner insertion pipe. The outer pipe body is provided with an exhaust hole used for exhausting separated gas and a reverse flow guide hole used for guiding in a gas-liquid mixture to be separated. At least one set of speed reduction separation device is arranged in the annular separation cavity and comprises a plurality of half cone bodies which are sequentially arranged in the fluid direction, the large circular face end of each half cone body is fixed to the inner wall of the outer pipe body, and the small circular face end of each half cone body is cut to form a first semicircular arc and a second semicircular arc which are different in axial distance so as to form an asymmetric fluid channel. Efficient gas-liquid separation is achieved through forced fluid deceleration and disturbance, dependence on gravity is avoided, pump gas locking can be effectively prevented, and the pump efficiency is improved.

The utility model discloses a visual system, which comprises a lens barrel, and a first lens, a reflective polarizing element, a quarter-wave plate, a second lens, a third lens and a partial reflection element which are assembled in the lens barrel and are sequentially arranged from a first side to a second side along an optical axis, the second lens has positive focal power and a plano-convex surface type, and the second side surface of the third lens is a convex surface; a first spacing element is arranged between the first lens and the second lens, and a second spacing element is arranged between the second lens and the third lens. The curvature radius R1 of the first side face of the first lens and the outer diameter D0s of the end face of the first side of the lens barrel meet the condition that R1 / D0s is larger than or equal to 1.37 and smaller than or equal to 1.80. The outer diameter D1s and the inner diameter d1s of the first side face of the first spacing element and the center thickness CT1 of the first lens meet the condition that (D1s-d1s) / CT1 is larger than or equal to 0.14 and smaller than or equal to 2.04. The axial distance EP01 from the first side end face of the lens barrel to the first side face of the first spacer element, the maximum thickness CP1 of the first spacer element and the axial distance EP12 of the first spacer element and the second spacer element satisfy 0.99 < = (EP01 + CP1) / EP12 < = 2.47.

The bearing speed reducer comprises a speed reducing mechanism and output pieces, bearings are arranged on the two sides of a fixing part of the speed reducing mechanism respectively, the output pieces comprise the first output piece and the second output piece, and the first output piece and the second output piece are located on the two sides of the speed reducing mechanism respectively. The first output part and / or the second output part are / is arranged on the base and rotationally connected with a fixing part of the speed reducing mechanism through the bearings, the first output part and / or the second output part are / is further connected with a power output part of the speed reducing mechanism, and the first output part and / or the second output part are / is provided with holes for a power input part of the speed reducing mechanism to penetrate through. The first output piece and the second output piece are fixedly connected on the outer side of a fixing part of the speed reducing mechanism. The internal space of the speed reducer is not occupied when the two output pieces are connected, so that the speed reducer can be further miniaturized, the speed reducer has the characteristics of flattening, short axial distance and the like while keeping enough rigidity, and the problem that a small or miniature speed reducer needs to be flattened and has enough strength is solved.

Flow control valve (1) for regulating a gas flow, in particular a flow of gaseous fuel, from a gas inlet (2) to a gas outlet (3), preferably for use in internal combustion engines, in particular large engines, comprising a valve seat element (4) with at least one flow opening (5), a valve plate (6) reversibly closing the flow opening (5), which is adjustable by means of an actuation assembly (8) between a closed position of the flow control valve (1), in which a gas flow through the flow control valve (1) is blocked, and in which the valve plate (6) rests against the valve seat element (4), and a maximum opening position of the flow control valve (1), in which a gas flow from the gas inlet (2) to the gas outlet (3) is maximal, and in which the valve plate (6) rests against a stop surface (19) of the actuation assembly (8),wherein a stroke (H) of the valve plate (6) between the closed position and the maximum opening position is defined by an axial distance (D) between the valve seat element (4) and the stop surface (19) of the drive assembly (8) in an axial direction (A).

The invention relates to a composite spinning forming method for a large-length-diameter-ratio thin-wall barrel, which fully utilizes the advantage that a barrel-shaped part keeps high forming precision in positive spinning forming and the characteristic that the barrel-shaped part gets rid of the limitation of the axial size of equipment in negative spinning forming, and adopts a composite spinning forming method in which two passes of positive spinning and one pass of negative spinning are matched. And high-quality, high-efficiency and low-cost production of the large-length-diameter-ratio thin-wall cylinder is realized. The axial auxiliary limiting device is designed to provide boundary condition compensation for reverse spinning forming, in the reverse spinning forming process, a formed part is not subjected to the load effect, the requirement for the hardness of a spinning mold is met, and necessary conditions are provided for composite spinning forming of the large-length-diameter-ratio thin-wall barrel. The axial auxiliary limiting device comprises an annular positioning module and an annular limiting module. According to the device, the axial distance between the quasi-large-length-diameter-ratio barrel and the mold can be compensated in a stepless mode within the preset stroke, frequent mounting and dismounting are not needed, and adjusting operation is easy and convenient.

The invention discloses a forward precise fine-tuning boring cutter, which relates to the technical field of machine tool cutters and comprises a mounting frame, a cutter handle mounted on the mounting frame, a blind rivet fixed on the cutter handle, a conical circular truncated cone fixed at one end of the cutter handle far away from the blind rivet, a cutter bridge mounted on the circular truncated cone, and two cutter holders mounted on the cutter bridge. A forward boring tool bit and a reverse boring tool bit are installed on the two tool aprons respectively and symmetrically distributed in the axial direction of the tool handle in a back-to-back mode, the axial distance between the forward boring tool bit and the reverse boring tool bit is larger than the axial size of a boss, needing to avoid space, of a machined workpiece, heightening blocks are installed between the forward boring tool bit and the tool aprons, and the forward boring tool bit is higher than the reverse boring tool bit. The fine adjustment mechanism and the locking mechanism are arranged on the tool apron, a worker does not need to stop the machine to change the rotating direction of the main shaft, boring machining of holes in the forward direction and the reverse direction is achieved, the machine stop machining auxiliary time is shortened, the stability of concentricity of all the holes is improved, and the machining efficiency of workpieces is improved.

The invention relates to a piston ring. A piston ring (100) for a piston of a reciprocating internal combustion engine comprises a ring section (1) and a lock section (2). The lock segment (2) comprises a circumferential parting line (7) at a first axial parting line distance (PaT) from the top surface (T) of the piston ring (100) and at a second axial parting line distance (PaB) from the bottom surface (B) of the piston ring (100). Furthermore, the piston ring (100) comprises an arcuate profile (10) having a circumferential pivot line (8) at a first axial pivot line distance (PiT) from the top surface (T) and at a second axial pivot line distance (PiB) from the bottom surface. The axial distance (9) between the circumferential parting line and the pivot line is less than 20% of the axial width of the piston ring. The arcuate profile (10) may include a most protruding, axially extending flat section (14). The flat section (14) comprises a circumferential parting line (7).

The thrombus aspiration catheter comprises a catheter body and a deformation structure, and the deformation structure comprises a plurality of supporting rings and deformation assemblies arranged between every two adjacent supporting rings; when the axial distance between every two adjacent supporting rings is reduced, the deformation assembly deforms inwards in the radial direction, and the deformation assembly and the two adjacent supporting rings jointly form a variable-diameter channel with the inner diameter firstly decreasing and then increasing from far to near. When the axial distance between every two adjacent supporting rings is increased, the deformation assemblies deform and recover in the radial direction, and the minimum inner diameter of a channel formed by the deformation assemblies and the two adjacent supporting rings is correspondingly increased. The variable-diameter channel can form mechanical wrapping and clamping on the thrombus at the position with the minimum inner diameter, and thrombus escape or far-end embolism in the suction process is effectively prevented; meanwhile, the structure is beneficial for forming a negative pressure enhancing cavity at the far end of the catheter body, and stable grasping and concentrated efficient suction of the thrombus are achieved.

The invention discloses a method and system for analyzing factors influencing radial expansion of flash jet flow of an oil injector, and relates to the field of oil injectors. Flash evaporation spraying images of the single-hole oil sprayer under different thermal working conditions are collected; the thermal working condition comprises injection temperature and environment pressure; obtaining a spraying width within a preset axial distance from a nozzle outlet according to the flash evaporation spraying image; establishing a nucleation rate model according to the injection temperature and the environment pressure; determining a nucleation rate index according to the nucleation rate model; taking the spray width as a measurement index of radial expansion, and establishing an incidence relation between the spray width and a nucleation rate index; according to the incidence relation, determining a factor influencing radial expansion: when the spray width is increased along with the increase of the nucleation rate index, the influence factor is the nucleation rate; when the spray width tends to be stable along with the increase of the nucleation rate index, the influence factor is heat energy required by vaporization.

To provide a piston ring for providing sufficient sealing and long life durability of the piston ring and a cylinder liner.SOLUTION: A piston ring 100 for a piston of a reciprocating internal combustion engine includes a ring part 1 and a locking part 2. The lock 2 comprises a circumferential parting line at a first axial parting line distance from the top side T of the piston ring 100 and at a second axial parting line distance from the bottom side B of the piston ring 100. Further, the piston ring 100 comprises a cambered contour, wherein the cambered contour comprises a circumferential pivot line having a first axial pivot line distance from a top surface T of the piston ring 100 and having a second axial pivot line distance from a bottom surface. According to the invention, the axial distance between the circumferential separation line and the pivot line is less than 20%, preferably less than 10%, of the axial width of the piston ring.SELECTED DRAWING: Figure 1

The present application relates to a combined bidirectional thrust angular contact bearing axial play control method, comprising: axial play existence control and axial play amount qualified control; the axial play existence control is formed by upper and lower settings of bearing horizontal placement forming combined outer ring, whether there is a gap between the two outer ring combined surfaces is obtained by rotating the upper outer ring; the axial play amount qualified control is: theoretically calculating the axial distance between the two raceway groove bottoms of the combined outer ring, then taking the two outer ring combined surfaces as the reference, respectively measuring the axial distance between the combined surface and the respective raceway groove bottom, obtaining the actual distance between the combined outer rings, so that the axial play exists and is qualified; the present application can well solve the axial play control problem of such special-shaped bearings and accumulate the control experience of bearing axial play.

The application discloses a probe and a test needle card, wherein the probe comprises a first coupling needle core and a second coupling needle core, and further comprises an adjusting assembly for adjusting the relative position of the first coupling needle core and the second coupling needle core in the axial direction. In the embodiment of the application, the probe adopts a split needle core design, and the distance between the first coupling needle core and the second coupling needle core can be adjusted through the adjusting assembly, so that the orientation adaptation of the core circle and the control plate is realized, and the compatibility of the probe is improved. In the aging test process, the probe contact pads corresponding to the pad positions on the core circle are enabled to perform the aging test through the adjustment of the axial distance between the first coupling needle core and the second coupling needle core, while the axial length of the probe not corresponding to the pad positions on the core circle is shortened to be separated from the core circle, so that the core circles with different chip layouts are compatible, and the manufacturing cost of the test needle card is effectively reduced.

To provide a pneumatic tire capable of improving riding comfort performance while suppressing deterioration of low rolling performance.SOLUTION: The pneumatic tire 1 includes a cap rubber 2C having a rubber hardness B. In a tire meridian cross section of a normal state, a rim protector 10 having a top part 11 projecting to a tire outer side is formed on an outer surface side 4s of a first bead part side 4A. The rim protector 10 includes an inside circular arc surface 12 of a curvature radius C (mm) extending from a top part 11 to the inside in the tire radial direction and having a 12c central part in the tire outside. When a separation distance in the tire axial direction between the top portion 11 and a tire radial direction line RL defining a rim width of a normal rim R is H, the following formula (1) is satisfied. 12.8 ≤ H * B / C ≤ 93.5 (1) SELECTED DRAWING: Figure 1

The invention relates to a flow control valve (1) for regulating a gas flow, in particular a flow of gaseous fuel, from a gas inlet (2) to a gas outlet (3), preferably for use in internal combustion engines, in particular large engines, comprising a valve seat element (4) having at least one through-opening (5), a valve plate (6) which reversibly closes the through-opening (5) and which can be moved, by means of a drive group (8), between a flow control valve (1) closing position, in which a gas flow through the flow control valve (1) is blocked and the valve plate (6) rests against the valve seat element (4), and maximum open position, in which a gas flow from the gas inlet (2) to the gas outlet (3) is at a maximum and the valve plate (6) rests against a stop surface (19) of the drive group (8), the stroke (H) of the valve plate (6) between the closed position and the maximum open position being defined by the axial distance (D) between the valve seat element (4) and the stop surface (19) of the drive group (8) in the axial direction (A).

This attachment / detachment jig (1) is provided with: a feed screw section (2) which is attached to an opening / closing valve (106) and which extends in the axial direction of a valve insertion recess (111); a nut section (3) that meshes with the feed screw section (2); a support shaft section (4) attached to the engine block (105); and a connecting part (5) which is connected to the nut part (3) and the support shaft part (4) and connects the feed screw part (2) and the support shaft part (4). The connecting section (5) is provided so as to freely adjust the inter-axial distance between the feed screw section (2) and the support shaft section (4).

A cutter for a well construction tool has a cutting structure affixed to a substrate, which defines a monotonically decreasing diameter with respect to an axial distance from an interface between the cutting structure and the substrate. A shear surface formed in the cutting structure intersects a surface of the cutting structure between the interface and an apex of the cutting structure, and defines a smaller angle with respect to a reference than the cutting structure proximate the interface and a larger angle with respect to the reference than the cutting structure proximate the apex. The apex is rotationally symmetric about a centerline of the cutting structure in all rotational directions, and a radius of curvature of the apex is at most 75 percent of a diameter of the substrate. A well construction tool includes a tool body with at least one such cutter attached to the tool body.

This disclosure provides a disconnection unit, comprising: a connecting shaft, coaxially arranged with a first shaft, one end of which is rotatably supported on the first shaft, and the other end fixedly connected to a first component; a sliding sleeve, respectively sleeved on the outer sides of the first shaft and the connecting shaft, the sliding sleeve being rotatably fixedly connected to the first shaft and capable of axial reciprocating a distance to engage or disengage with the connecting shaft, wherein in the engaged state the first shaft rotates together with the first component, and in the disengaged state the first shaft is independent of the first component, the sliding sleeve having an outwardly open circumferential groove; a driving device, including a driving block extending into the circumferential groove and rotating about a rotation axis to drive the sliding sleeve to axially reciprocate a distance; and a sleeve displacement device configured to drive the sliding sleeve to move a further additional distance in the same direction after the sliding sleeve has moved an axial distance. This disclosure also provides a vehicle powertrain system, a vehicle synchronization mechanism, and a vehicle.

The utility model relates to the technical field of aerosol generation, and provides an aerosol generation system which comprises an aerosol substrate and an aerosol generation device. The aerosol substrate comprises a substrate section, and the substrate section is used for heating to generate aerosol; a mounting cavity is formed in the aerosol generating device, an opening is formed in one end of the mounting cavity, and an aerosol substrate is inserted into the mounting cavity through the opening; when the aerosol substrate is inserted into the mounting cavity, an air inlet channel is formed between the side wall of the aerosol substrate and the side wall of the mounting cavity; air holes are formed in the side wall of the substrate section, and the air inlet channel communicates with the interior of the substrate section through the air holes; the substrate section is provided with a first end and a second end which are oppositely arranged, the second end is closer to the opening relative to the first end, and the ratio of the axial distance between the air hole and the first end to the total axial length of the substrate section is smaller than or equal to 1 / 2. According to the aerosol generating system, the continuity of suction is improved, the aerosol suction temperature is reduced, and the aerosol taking-out speed is increased.

The invention relates to an angle-adjustable tubular column mechanism and a steer-by-wire system. The tubular column mechanism comprises a fixing frame which is fixed relative to the frame and is provided with a roller path; the tubular column shell comprises a first position and a second position, the axial distance between the first position and the second position is fixed, and the tubular column shell is pivotally connected with the fixing frame around a pivoting axis at the first position, so that the second position is close to or far away from the fixing frame; the screw rod is rotatably arranged at a second position of the tubular column shell; the ball joint assembly is arranged on the lead screw in a threaded fit and sleeving mode, the ball joint assembly is located in the roller path, and the lead screw rotates to drive the ball joint assembly to move relative to the lead screw and move along the roller path so as to push or pull the second position of the tubular column shell to be away from or close to the fixing frame, and the pivoting included angle between the tubular column shell and the fixing frame is adjusted. The lead screw rotates to drive the ball joint assembly to rotate and slide in the roller path, so that the far end of the tubular column shell moves, the pivoting angle of the tubular column shell and the fixing frame is changed, and flexible angle adjustment is achieved.

An optical system of the lens is composed of a first lens, a second lens and a third lens which are sequentially arranged from left to right along a light incident light path, the first lens is a plano-convex lens with positive focal power, the object side face of the first lens is a convex face, and the image side face of the first lens is a plane; the second lens is a meniscus lens with positive focal power, the object side surface of the second lens is a concave surface, and the image side surface of the second lens is a convex surface; the third lens is a meniscus lens with negative focal power, the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; the first lens is a glass spherical lens, and the second lens and the third lens are plastic aspheric lenses. A glass-plastic mixed optical system is formed by one glass spherical lens and two plastic aspheric lenses, and the lenses have high resolution, low distortion and low temperature drift by reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the axial distance between the lenses and the like, and can clearly image at the temperature of-40 DEG C to 105 DEG C; the total length of the lens is greatly shortened, and miniaturization requirements are met.

The application provides an AR projection lens and an AR device. The AR projection lens comprises a first lens with negative optical power, a first side of the first lens being a convex surface and a second side being a concave surface; a second lens with positive optical power, a first side of the second lens being a convex surface and a second side being a convex surface; a third lens with negative optical power, a first side of the third lens being a concave surface and a second side being a concave surface; a fourth lens with positive optical power, a first side of the fourth lens being a concave surface and a second side being a convex surface; a prism; and a fifth lens with optical power. A distance T45 of the fourth lens and the fifth lens on an optical axis and an axial distance TD from the first side of the first lens to the second side of the fifth lens satisfy 0.6>T45 / TD>0.4. The application solves the problem of poor compactness of the AR projection lens in the prior art.

The invention relates to an axial fluid bearing point (24) with two axial foil bearing arrangements, each comprising at least one bearing foil (26), which are radially assigned within a housing circumferential surface of a receiving space to two axially opposite housing end faces of two housing bodies. To optimize the axial fluid bearing point (24), the axial foil bearing arrangements are held at an axial distance from each other by means of at least one guide and / or retaining geometry provided on a cover foil of the respective axial foil bearing arrangement.

The present invention provides an optical imaging lens. The number of lenses with optical power in the optical imaging lens is three. The optical imaging lens includes a lens group, a supporting element group, and a lens barrel. Among them, the axial distance T12 from the image side of the first lens to the object side of the second lens and the axial distance T23 from the image side of the second lens to the object side of the third lens satisfy: 1.4 < T12 / T23 < 2.0; the inner diameter d2m of the image side of the second supporting element, the inner diameter d1m of the image side of the first supporting element, and the distance EP12 from the image side of the first supporting element to the object side of the second supporting element along the optical axis of the optical imaging lens satisfy: 0.25 < (d2m - d1m) / EP12 < 1.5. This application solves the problem that the miniaturization and high imaging quality of the optical imaging lens in the prior art cannot be兼顾. It should be noted that the word "兼顾" in the original text is not a common English word. I've used a literal translation for now, but it might be better to find a more appropriate English expression to accurately convey the meaning. Maybe "be balanced" or "be taken into account" could be considered.

The invention relates to an axial fluid bearing part (24) having two axial foil bearing assemblies, each having at least one bearing foil (26), which are assigned to two axially opposite housing end faces of two housing bodies radially in a housing circumferential surface of a receiving space. In order to optimize the axial fluid bearing portion (24), the axial foil bearing assemblies are each held at an axial distance from one another by means of at least one guide and / or holding geometry provided on the cover foil of the respective axial foil bearing assembly.