EP2848807A1 - Machine à piston axial hydrostatique dans une construction à axe oblique - Google Patents

Machine à piston axial hydrostatique dans une construction à axe oblique Download PDF

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Publication number
EP2848807A1
EP2848807A1 EP14179559.1A EP14179559A EP2848807A1 EP 2848807 A1 EP2848807 A1 EP 2848807A1 EP 14179559 A EP14179559 A EP 14179559A EP 2848807 A1 EP2848807 A1 EP 2848807A1
Authority
EP
European Patent Office
Prior art keywords
axial piston
drive shaft
cylinder drum
piston machine
torque
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14179559.1A
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German (de)
English (en)
Other versions
EP2848807B1 (fr
Inventor
Martin Bergmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde Hydraulics GmbH and Co KG
Original Assignee
Linde Hydraulics GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Linde Hydraulics GmbH and Co KG filed Critical Linde Hydraulics GmbH and Co KG
Publication of EP2848807A1 publication Critical patent/EP2848807A1/fr
Application granted granted Critical
Publication of EP2848807B1 publication Critical patent/EP2848807B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/328—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the axis of the cylinder barrel relative to the swash plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
    • F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block

Definitions

  • the invention relates to a hydrostatic axial piston machine in oblique-axis design with a drive shaft rotatably mounted about a rotation axis, which is provided with a drive flange, and a rotatable about a rotation axis arranged cylindrical drum, the cylinder drum is provided with a plurality of concentric with the axis of rotation of the cylinder drum piston recesses in which in each case a piston is arranged longitudinally displaceable, and wherein a driving device is provided for driving the cylinder drum.
  • the longitudinally displaceable piston in the cylinder drum are each supported by means of a sliding shoe on a beating disk. Due to the high inertial forces of the pistons and the sliding shoes arranged on the pistons during operation of the axial piston machine in a swash plate construction field in a rotating cylinder drum, however, axial piston machines of swashplate construction are limited with respect to the maximum permissible rotational speeds. The limited maximum permissible speed of an axial piston machine in swash plate design leads to disadvantages for use as a hydraulic motor.
  • the piston arranged longitudinally displaceably in the cylinder drum are usually fixed by means of a ball joint directly or indirectly to the drive flange of a drive shaft.
  • the piston forces are based here on the piston on the drive shaft located on the drive flange and generate a torque.
  • axial piston machines in bent-axis design principle takes place at a Rotation no entrainment of the cylinder drum with the piston arranged therein. For the entrainment of the cylinder drum an additional driving device is required.
  • the present invention has for its object to provide an axial piston machine in Schrägachsenbauweise of the type mentioned, which can be used for universal applications.
  • the drive shaft is designed as a hollow shaft, through which a axial piston machine passing through the torque rod is passed to drive through a torque from a triebflanschfact end of the axial piston machine to a cylinder drum end of the axial piston.
  • the torque rod has no mechanical operative connection to the drive shaft. If the guided through the axial piston torque rod has no firm connection to the drive shaft of the axial piston machine, there are further advantages in terms of universal applicability of the axial piston according to the invention, since at the trained as a hollow shaft drive shaft and passing through the executed as a hollow shaft drive shaft torque rod different speeds and / or different directions of rotation can prevail. On the drive shaft and the torque rod can thus prevail two different torques with different speeds and / or different directions of rotation.
  • the drive shaft is provided at the drive flange end for torque transmission with a torque transmitting means.
  • a torque can be introduced into the axial piston machine in a pump operation in a simple manner, or a torque can be tapped off from the axial piston machine in an engine operation.
  • the cylinder drum is provided with a concentric with the axis of rotation of the cylinder drum arranged longitudinal recess through which the torque rod and / or provided with the drive flange drive shaft extends through the cylinder drum.
  • a concentric with the axis of rotation of the cylinder drum arranged longitudinal recess in the cylinder drum it is possible to pass the torque rod and / or formed as a hollow shaft drive shaft, within which the torque rod is arranged to pass through the cylinder barrel and the axial piston machine to the cylinder drum side end of the axial piston to a To achieve torque throughput.
  • the drive shaft is provided for driving through the torque at the cylinder-drum-side end for torque transmission with a further torque-transmitting means.
  • a torque is achieved in the axial piston according to the invention.
  • the passage of the torque on the drive shaft to the cylinder drum end of the axial piston machine makes it possible to dissipate and tap off the torque on both sides of the drive shaft in an application of the axial piston machine according to the invention in bent-axis design as a hydraulic motor.
  • the universal application of the axial piston machine according to the invention is further improved and applications are possible in which a torque can be tapped on both sides of the drive shaft or a torque for driving a further consumer can be passed through the axial piston.
  • a torque can be tapped on both sides of the drive shaft or a torque for driving a further consumer can be passed through the axial piston.
  • the axial piston according to the invention in bent-axis design as a hydraulic pump allows the additional fürtriebswagkeit the torque on the drive shaft designed as hydraulic pumps axial piston machines behind each other and drive without having to use a complex transfer case.
  • the drive-through possibility of a further torque on the drive shaft makes it possible to arrange a plurality of axial piston machines according to the invention, designed as hydraulic motors, in a bent-axis construction, one behind the other, in order to increase the output torque.
  • the universal applicability of the axial piston machine according to the invention in oblique axis construction is further improved and the axial piston machine according to the invention in oblique axis construction for applications can be used in which by fürösbeckkeit a Torque on the drive shaft a Drehmomentabgriff on both sides of the drive shaft is desired or via the drive shaft, a torque to drive a further load through the axial piston machine is to be passed.
  • the drive shaft is usually provided with a splined shaft as a torque transmitting means.
  • Cylinder drum side end of the drive shaft can be provided to drive through the torque in a used as a hydraulic pump or hydraulic motor axial piston machine according to the invention or for the output of torque in a hydraulic motor used as an axial piston on both sides as a torque transmission means also a spline or a polygon connection or a feather key connection.
  • the drive shaft can be stored in the housing flying.
  • the storage of the drive shaft in the housing is in such a flying bearing on one side of the cylinder drum in the region of the drive flange end of the drive shaft.
  • the drive shaft is mounted in a housing of the axial piston on both sides of the cylinder drum.
  • the longitudinal recess in the cylinder drum and thereby made possible implementation of the drive shaft through the cylinder drum makes it possible to store the drive shaft provided with the drive flange on both sides of the cylinder drum in the housing.
  • a wide bearing base of the drive shaft is achieved, whereby a compact length of the axial piston machine according to the invention can be achieved compared to a one-sided, flying bearing provided with the drive flange drive shaft.
  • the driving device for driving the cylinder drum may be formed by connecting rods, which are each at least partially disposed in the piston and are pivotally connected to the piston and the drive flange by a ball joint.
  • the entrainment of the cylinder drum by means of connecting rods allows a simple design entrainment of the cylinder barrel and makes it possible to pass through the drive shaft designed as a hollow shaft torque rod for a torque drive through the axial piston machine.
  • the connecting rods are based here for entrainment of the cylinder drum on the piston inner walls of the piston recesses of the cylinder drum.
  • the entrainment means for entraining the cylinder drum is formed by the longitudinally displaceable in the piston recesses of the cylinder drum piston, which are designed conical or spherical and with a conically or spherically shaped lateral surface are provided.
  • the entrainment of the cylinder drum by the piston allows a simple design entrainment of the cylinder drum and makes it possible to pass through the drive shaft designed as a hollow shaft torque rod for a torque drive through the axial piston machine.
  • the pistons are supported in this case for driving the cylinder drum with the conical or spherical sections on the inner walls of the piston recesses of the cylinder drum.
  • the entrainment means for entraining the cylinder drum of a arranged between the cylinder drum and the drive shaft or the drive flange driving pin, in particular a constant velocity joint is formed.
  • the entrainment of the cylinder drum by a between the cylinder drum and the drive shaft or by a between the cylinder drum and the drive flange driving pin allows a simple design entrainment of the cylinder barrel and makes it possible to pass through the drive shaft designed as a hollow shaft torque rod for a torque pass through the axial piston , If the follower joint is designed as a constant velocity joint, there is a rotationally synchronous entrainment of the cylinder drum with the drive flange. As a result, a high uniformity of the rotational movement is achieved in the entrainment of the cylinder drum, which is advantageous for applications of the axial piston machine according to the invention as a hydraulic motor.
  • the drive flange can be integrally formed on the drive shaft according to an embodiment of the invention.
  • the drive flange is thus carried out separately from the drive shaft and can be rotatably connected via a suitable torque connection, such as a shaft-hub connection, which may be formed by a spline, with the drive shaft.
  • a spherical guide formed by a ball and a spherical cap for supporting the cylinder drum is formed between the drive shaft and the cylinder drum.
  • the axial piston machine according to the invention can be designed as a constant machine with a fixed displacement volume.
  • the axial piston machine according to the invention can be designed as an adjusting machine with a variable displacer volume.
  • the invention further relates to a line branching transmission with an axial piston machine according to one of the preceding claims. Due to the design of the drive shaft of the axial piston machine according to the invention in oblique axis design as a hollow shaft through which an axial piston passing torque rod is passed, which can be operated at a speed independent of the speed of the drive shaft speed and / or with respect to the drive shaft with the same or different rotational direction particular advantage in a power take-off transmission, since the torque of the hydrostatic branch of the branched transmission on the drive shaft and on the torque rod, the torque of the mechanical branch of the power split transmission can prevail.
  • the hydrostatic axial piston machine 1 designed as a bent-axis machine according to the FIG. 1 has a housing 2, which consists of a housing pot 2a and a housing cover 2b.
  • a housing 2 In the housing 2 is a with a drive flange 3 provided drive shaft 4 by means of bearings 5a, 5b rotatably mounted about an axis of rotation R t .
  • the drive flange 3 is integrally formed on the drive shaft 4.
  • a cylinder drum 7 is arranged in the housing 2, which is provided with a plurality of KolbenausEnglishept 8, which are arranged concentrically to a rotation axis R z of the cylinder drum 7.
  • a piston 10 is arranged longitudinally displaceable.
  • the rotation axis R t of the drive shaft 4 intersects the rotation axis R z of the cylinder drum 7 at the point of intersection S.
  • the in the FIG. 1 shown axial piston machine is designed as a constant machine with a fixed displacement volume, wherein the axis of rotation R z of the cylinder drum 7 to the rotation axis R t of the drive shaft 4 has a fixed tilt angle or swivel angle ⁇ .
  • the cylinder drum 7 is located to control the supply and discharge of pressure medium in the displacers V formed by the piston recesses 8 and the piston 10 at a formed on the housing cover 2b control surface 15 which is provided with not shown kidney-shaped control recesses having an inlet port 16 and an outlet port of the axial piston machine 1 form.
  • the cylinder drum 7 is provided with a control opening 18 on each piston recess 8.
  • the pistons 10 are each hinged to the drive flange 3.
  • each formed as a spherical joint articulation 20 is formed between the respective piston 10 and the drive flange 3 .
  • the articulation 20 is formed in the illustrated embodiment as a ball joint, which is formed by a ball head 10a of the piston 10 and a spherical cap 3a in the drive flange 3, in which the piston 10 is attached to the ball head 10a.
  • the pistons 10 each have a collar portion 10b, with which the piston 10 is arranged in the piston recess 8.
  • a piston rod 10c of the piston 10 connects the collar portion 10b with the ball head 10b.
  • the collar portion 10b of the piston 10 is arranged with play in the piston recess 8.
  • the collar portion 10b of the piston 10 may be designed to be spherical.
  • a sealing means 21 for example a piston ring, is arranged on the collar portion 10b of the piston 10.
  • an entrainment device for driving the cylinder drum 7 is provided.
  • the cylinder drum 7 is provided with a central, concentric with the axis of rotation R z of the cylinder drum 7 arranged longitudinal recess 11 through which the drive shaft 4 extends therethrough.
  • the drive shaft 4 guided through the axial piston machine 1 is mounted on both sides of the cylinder drum 7 by means of the bearings 5a, 5b.
  • the drive shaft 4 is mounted with the bearing 5a in the housing pot 2a and with the bearing 5b in the housing cover 2b.
  • the drive shaft 4 is designed at the drive flange end with a torque transmission means 12, for example a spline, for introducing a drive torque or tapping off an output torque.
  • a torque transmission means 12 for example a spline
  • the drive shaft 4 is formed as a hollow shaft, which is provided with a longitudinal bore 30 arranged concentrically and coaxially to the rotation axis R t .
  • a torque rod 31 is arranged concentrically to the rotation axis R t , which is passed through the drive shaft 4. Via the torque rod 31, a torque Mt can be transmitted and a torque pass through the axial piston machine 1 can be achieved.
  • the torque rod 31 has no mechanical to the drive shaft 4 Active compound on. As a result, the drive shaft 4 and the torque rod 31 rotate at different speeds and / or different directions of rotation.
  • the drive shaft 4 is provided only at the drive flange end with the torque transmitting means 12 for introducing or tapping a torque.
  • the cylinder drum-side end of the drive shaft 4 ends in the region of the housing cover 2b.
  • a concentric with the axis of rotation R t of the drive shaft 4 arranged through hole 14 is formed for the drive shaft 4 in order to pass the torque rod 31 through the axial piston machine 1 can.
  • a spherical guide 25 is formed between the cylinder drum 7 and the drive shaft 4.
  • the spherical guide 25 is formed by a spherical portion 26 of the drive shaft 4, on which the cylinder drum 7 is arranged with a arranged in the region of the central longitudinal recess 11 hollow spherical portion 27.
  • the center of the sections 26, 27 lies on the intersection point S of the axis of rotation R t of the drive shaft 4 and the axis of rotation R z of the cylinder drum 7.
  • the hollow spherical portion 27 is formed on a sleeve-shaped element 40, which is arranged in the central longitudinal recess 11 of the cylinder drum 7.
  • the element 40 is secured to the cylinder drum 7 in the longitudinal direction of the cylinder drum 7 in the axial direction and in the circumferential direction.
  • the rotation is effected by means of a securing means 45, which is formed in the illustrated embodiment by a arranged between the sleeve-shaped member 40 and the cylinder drum 7 connecting pin.
  • the drive shaft 4 guided through the axial piston machine 1 also extends through the sleeve-shaped element 40.
  • the inner diameter of the sleeve-shaped element 40 is provided with a contour aligned with the longitudinal recess 11 of the cylinder drum 7.
  • FIG. 2 is a further embodiment of an axial piston according to the invention shown in a bent-axis design, with the FIG. 1 identical components are provided with identical reference numerals.
  • the drive shaft 4 extends through the axial piston machine 1 and through the housing 2 and is led out of the housing cover 2b.
  • the drive shaft 4 is provided with a further torque-transmitting means 13 at the cylinder-drum-side end led out of the housing cover 2b.
  • the torque transmission means 13 on the shaft stub of the drive shaft 4 protruding from the housing cover 2b is preferably designed as a splined or polygonal profile or feather key connection.
  • Both FIGS. 1 and 2 can the driving device for the entrainment of the cylinder drum 7 by a driving joint, such as a constant velocity joint, formed, which is arranged in the region of the spherical portion 26 of the drive shaft 4 and the hollow spherical portion 27 of the cylinder drum 7.
  • a driving joint such as a constant velocity joint, formed, which is arranged in the region of the spherical portion 26 of the drive shaft 4 and the hollow spherical portion 27 of the cylinder drum 7.
  • the constant machine can also be designed as an adjusting machine.
  • the angle of inclination ⁇ of the axis of rotation R z of the cylinder drum 7 with respect to the axis of rotation R t of the drive shaft 4 is adjustable in order to change the displacer volume.
  • the control surface 15, against which the cylinder drum 7 abuts, is for this purpose formed on a weighing body, which is arranged pivotably in the housing 2.
  • the axial piston machine 1 can be designed as a hydraulic motor or as a hydraulic pump.
  • the entrainment device for driving the cylinder drum 7 can be carried out alternatively to a driving joint between the drive shaft 4 and the drive flange 3 and the cylinder drum 7 via the piston 10 or via additional connecting rods.
  • the drive shaft 4 can be mounted flying in the housing 2, wherein both bearings 5a, 5b are arranged in triebflanschschschfact area of the drive shaft 4 and thus in the housing pot 2a and formed in the housing cover 2b only the through hole 14 is to pass the torque rod 31 through the axial piston machine 1 can
  • the execution of the drive shaft 4 as a hollow shaft with a guided through the hollow shaft torque rod 31 makes it possible to achieve a drive through the axial piston 1 via the torque rod 31 and pass through the torque rod 31 in torque Mt inside the axial piston machine 1 through the axial piston machine 1, wherein the torque rod 31 and the drive shaft 4 may have different speeds and / or different directions of rotation.
  • the passage of a torque through the arranged in the interior of the drive shaft 4 torque rod 31 leads to a universal applicability of the axial piston machine 1 according to the invention and allows particular advantages in the application of the axial piston machine 1 according to the invention in a power split transmission.
  • the further fürtriebswagkeit at the provided with the torque transmitting means 12, 13 on both sides drive shaft 4 according to the FIG. 2 makes it possible to arrange a plurality of hydraulic pumps behind one another in an axial piston machine 1 according to the invention used as a hydraulic pump and to drive it on the drive shaft 4 via a drive through the torque.
  • the fürtriebswagkeit on the provided with the torque transmitting means 12, 13 on both sides drive shaft 4 also allows for a hydraulic motor used according to the invention axial piston 1 according to the invention to arrange several hydraulic motors one behind the other and to increase the output torque through a throughput of the torque.
  • the drive-through possibility at the drive shaft 4 provided with the torque transmission means 12, 13 at both ends makes it possible, in the case of an axial piston machine 1 according to the invention used as a hydraulic motor, to tap off an output torque at both shaft ends of the drive shaft 4. hereby There are advantages in a traction drive, in which the drive shaft 4 is connected to different driven wheels or different driven axles of a vehicle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Reciprocating Pumps (AREA)
  • Hydraulic Motors (AREA)
EP14179559.1A 2013-08-05 2014-08-01 Machine à piston axial hydrostatique dans une construction à axe oblique Not-in-force EP2848807B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013108409.5A DE102013108409A1 (de) 2013-08-05 2013-08-05 Hydrostatische Axialkolbenmaschine in Schrägachsenbauweise

Publications (2)

Publication Number Publication Date
EP2848807A1 true EP2848807A1 (fr) 2015-03-18
EP2848807B1 EP2848807B1 (fr) 2016-10-12

Family

ID=51260732

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14179559.1A Not-in-force EP2848807B1 (fr) 2013-08-05 2014-08-01 Machine à piston axial hydrostatique dans une construction à axe oblique

Country Status (5)

Country Link
US (1) US20150075363A1 (fr)
EP (1) EP2848807B1 (fr)
JP (1) JP2015031293A (fr)
CN (1) CN104343653B (fr)
DE (1) DE102013108409A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3246567B1 (fr) * 2016-05-19 2022-03-09 Innas B.V. Dispositif hydraulique

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2805492A1 (de) * 1978-02-09 1979-08-16 Linde Ag Anordnung zum kuehlen der kolben bei einer axialkolbenmaschine
WO1985003554A1 (fr) * 1984-01-31 1985-08-15 Sven Schriwer Projet d'un nouveau type de pompe a piston hydrostatique ou de moteur a piston connu en tant que pompe a piston diagonale ou moteur a piston diagonal
EP0158084A1 (fr) * 1984-02-29 1985-10-16 Shimadzu Corporation Moteur ou pompe à piston axiaux du type à axe incliné
WO2003046380A1 (fr) * 2001-11-30 2003-06-05 Eaton Corporation Pompe/moteur a piston axial avec un embrayage et un arbre traversant
DE102007011441A1 (de) * 2007-03-08 2008-09-11 Robert Bosch Gmbh Axialkolbenmaschine
DE102009005390A1 (de) * 2009-01-21 2010-07-22 Robert Bosch Gmbh Axialkolbenmaschine in Schrägachsenbauweise

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DE2358870B2 (de) * 1973-11-26 1980-02-21 Hydromatik Gmbh, 7900 Ulm Axialkolbenmaschine mit einstuckigem Kolben
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US4896564A (en) * 1978-10-25 1990-01-30 Karl Eickmann Axial piston motor or pump with an arrangement to thrust the rotor against a shoulder of the shaft
JPS5776357A (en) * 1980-10-31 1982-05-13 Honda Motor Co Ltd Hydraulic stepless transmission
DE3217484A1 (de) * 1981-05-13 1982-12-09 Linde Ag, 6200 Wiesbaden Triebflanschaxialkolbenmaschine mit in lagern gelagerter triebwelle
US4475443A (en) * 1981-05-22 1984-10-09 Linde Aktiengesellschaft Axial piston machine with suction line impurity trap
JPH0631612B2 (ja) * 1984-11-12 1994-04-27 株式会社島津製作所 ピストンポンプまたはモ−タ
JP2624015B2 (ja) * 1990-05-21 1997-06-25 株式会社日立製作所 等速継手及びその継手を用いたアキシャルピストンポンプ・モータ装置
JPH07280063A (ja) * 1994-04-08 1995-10-27 Kubota Corp 油圧トランスミッション
DE10055753B4 (de) * 1999-11-30 2013-11-28 Linde Hydraulics Gmbh & Co. Kg Hydrostatische Axialkolbenmaschine in Schrägscheibenbauweise mit Gleitschuhgelenken innerhalb der Bohrungen im Zylinderblock
DE10154921A1 (de) * 2001-11-08 2003-05-15 Linde Ag Hydrostatische Axialkolbenmaschine in Triebflanschbauweise
DE102008012404A1 (de) * 2008-03-04 2009-09-10 Linde Material Handling Gmbh Hydrostatische Verdrängereinheit
DE102011053659B4 (de) * 2011-09-15 2021-12-23 Linde Hydraulics Gmbh & Co. Kg Hydrostatische Axialkolbenmaschine mit einer die Triebwerksbaugruppe umgebenden und im Gehäuse gelagerten, drehbaren Leckageölleitbuchse

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2805492A1 (de) * 1978-02-09 1979-08-16 Linde Ag Anordnung zum kuehlen der kolben bei einer axialkolbenmaschine
WO1985003554A1 (fr) * 1984-01-31 1985-08-15 Sven Schriwer Projet d'un nouveau type de pompe a piston hydrostatique ou de moteur a piston connu en tant que pompe a piston diagonale ou moteur a piston diagonal
EP0158084A1 (fr) * 1984-02-29 1985-10-16 Shimadzu Corporation Moteur ou pompe à piston axiaux du type à axe incliné
WO2003046380A1 (fr) * 2001-11-30 2003-06-05 Eaton Corporation Pompe/moteur a piston axial avec un embrayage et un arbre traversant
DE102007011441A1 (de) * 2007-03-08 2008-09-11 Robert Bosch Gmbh Axialkolbenmaschine
DE102009005390A1 (de) * 2009-01-21 2010-07-22 Robert Bosch Gmbh Axialkolbenmaschine in Schrägachsenbauweise

Also Published As

Publication number Publication date
DE102013108409A1 (de) 2015-02-05
CN104343653A (zh) 2015-02-11
JP2015031293A (ja) 2015-02-16
EP2848807B1 (fr) 2016-10-12
US20150075363A1 (en) 2015-03-19
CN104343653B (zh) 2018-02-02

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