GB2010387A - Swash Plate Machine - Google Patents

Swash Plate Machine

Info

Publication number
GB2010387A
GB2010387A GB7848786A GB7848786A GB2010387A GB 2010387 A GB2010387 A GB 2010387A GB 7848786 A GB7848786 A GB 7848786A GB 7848786 A GB7848786 A GB 7848786A GB 2010387 A GB2010387 A GB 2010387A
Authority
GB
United Kingdom
Prior art keywords
cylinder block
plane
swash
plate
swash plate
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
GB7848786A
Other versions
GB2010387B (en
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.)
Dowty Hydraulic Units Ltd
Original Assignee
Dowty Hydraulic Units Ltd
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 Dowty Hydraulic Units Ltd filed Critical Dowty Hydraulic Units Ltd
Priority to GB7848786A priority Critical patent/GB2010387B/en
Publication of GB2010387A publication Critical patent/GB2010387A/en
Application granted granted Critical
Publication of GB2010387B publication Critical patent/GB2010387B/en
Expired legal-status Critical Current

Links

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
    • F04B1/20—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
    • F04B1/2014—Details or component parts
    • F04B1/2078—Swash plates
    • F04B1/2085—Bearings for swash plates or driving axles
    • 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
    • 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
    • F04B1/324—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 swash plate

Abstract

In a swash-plate machine, e.g. a pump or motor, comprising a rotary cylinder block 23 connected to a drive shaft 21 by splines 22 and pistons with articulated slippers engaging a tiltable swash-plate 35 supported by trunnions 14, the trunnion axis A lies on the side of the articulation plane D away from the cylinder block and a plane E transverse to the block rotation axis at the end of cylinder block splines 22 is located such that inclination of the swash plate from zero piston stroke to maximum piston stroke causes the point of intersection L of the articulation plane with the rotation axis B to move towards the plane E. By this arrangement the distance apart of the trunnions can be reduced and the size and weight of the swash plate can be reduced without introducing unacceptable tipping moments on the cylinder block. <IMAGE>
GB7848786A 1977-12-14 1978-12-15 Swash plate pump or motor Expired GB2010387B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7848786A GB2010387B (en) 1977-12-14 1978-12-15 Swash plate pump or motor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5193877 1977-12-14
GB7848786A GB2010387B (en) 1977-12-14 1978-12-15 Swash plate pump or motor

Publications (2)

Publication Number Publication Date
GB2010387A true GB2010387A (en) 1979-06-27
GB2010387B GB2010387B (en) 1982-03-10

Family

ID=26266964

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7848786A Expired GB2010387B (en) 1977-12-14 1978-12-15 Swash plate pump or motor

Country Status (1)

Country Link
GB (1) GB2010387B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095992A1 (en) * 1982-06-01 1983-12-07 Abex Corporation Rocker cam control
FR2716939A1 (en) * 1994-03-02 1995-09-08 Kubota Kk Swing plate hydraulic motor.
CN101545469B (en) * 2009-04-28 2011-05-11 湖北工业大学 Adjustable pressure-proof multihead pump
CN105736353A (en) * 2014-12-10 2016-07-06 西安航空动力控制科技有限公司 Long pin used in central pre-tightening structure of plunger pump
CN109386445A (en) * 2017-08-08 2019-02-26 罗伯特·博世有限公司 Hydrostatic axial piston machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095992A1 (en) * 1982-06-01 1983-12-07 Abex Corporation Rocker cam control
FR2716939A1 (en) * 1994-03-02 1995-09-08 Kubota Kk Swing plate hydraulic motor.
US5649468A (en) * 1994-03-02 1997-07-22 Kubota Corporation Swash plate type hydraulic motor having offset swash plate pivot axis
CN101545469B (en) * 2009-04-28 2011-05-11 湖北工业大学 Adjustable pressure-proof multihead pump
CN105736353A (en) * 2014-12-10 2016-07-06 西安航空动力控制科技有限公司 Long pin used in central pre-tightening structure of plunger pump
CN109386445A (en) * 2017-08-08 2019-02-26 罗伯特·博世有限公司 Hydrostatic axial piston machine
CN109386445B (en) * 2017-08-08 2021-10-08 罗伯特·博世有限公司 Hydrostatic axial piston machine

Also Published As

Publication number Publication date
GB2010387B (en) 1982-03-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee