GB561893A - Improvements in and relating to variable flow hydraulic pumps - Google Patents

Improvements in and relating to variable flow hydraulic pumps

Info

Publication number
GB561893A
GB561893A GB221441A GB221441A GB561893A GB 561893 A GB561893 A GB 561893A GB 221441 A GB221441 A GB 221441A GB 221441 A GB221441 A GB 221441A GB 561893 A GB561893 A GB 561893A
Authority
GB
United Kingdom
Prior art keywords
cam
plate
swash
roller
springs
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.)
Expired
Application number
GB221441A
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.)
POWERED MOUNTINGS Ltd
Original Assignee
POWERED MOUNTINGS 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 POWERED MOUNTINGS Ltd filed Critical POWERED MOUNTINGS Ltd
Priority to GB221441A priority Critical patent/GB561893A/en
Publication of GB561893A publication Critical patent/GB561893A/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
    • F04B1/14—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 stationary cylinders
    • F04B1/141—Details or component parts
    • F04B1/146—Swash plates; Actuating elements
    • 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
    • F04B1/14—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 stationary cylinders
    • 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
    • F04B1/28—Control of machines or pumps with stationary cylinders
    • F04B1/29—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B1/295—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

561,893. Smash-plate pumps. POWERED MOUNTINGS, Ltd., NASH, A. G. FRAZER-, and WAGHORNE, H. Feb. 18, 1941, No. 2214. [Class 102 (i)] In a multi-cylinder swash-plate pump, the delivery of liquid is automatically controlled in accordance with the pressure developed by transmitting the pressure reaction on the pistons 13 through the swash-plate 6, 8, a cam-following roller 35 and a cam 37, to springs 44 which abut against a surface 45 on the pump casing 1. The swash-plate comprises a non-rotatable ring 8 and a rotatable collar 6 with ribs 34 which carry the roller 35 and a member 32 to counterbalance the roller, whilst the cam has an extension 40 carrying a sleeve 42 with a recess 43 for the springs 44. The sleeve 42 has surfaces 46 engaged by the ends 47 of arms 48 on a fork member 49 which is pivoted at 50 within the casing 1 and carries a yoke piece 51 having a surface to co-operate with an eccentric 53 on a shaft 54. Rotation of this shaft therefore moves the cam 37 axially in opposition to the springs 44 and different portions of the cam contour are presented to the roller 35 to reduce the inclination of the swash-plate and the output, without stopping the pump.
GB221441A 1941-02-18 1941-02-18 Improvements in and relating to variable flow hydraulic pumps Expired GB561893A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB221441A GB561893A (en) 1941-02-18 1941-02-18 Improvements in and relating to variable flow hydraulic pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB221441A GB561893A (en) 1941-02-18 1941-02-18 Improvements in and relating to variable flow hydraulic pumps

Publications (1)

Publication Number Publication Date
GB561893A true GB561893A (en) 1944-06-09

Family

ID=9735601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB221441A Expired GB561893A (en) 1941-02-18 1941-02-18 Improvements in and relating to variable flow hydraulic pumps

Country Status (1)

Country Link
GB (1) GB561893A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577675A (en) * 1948-09-23 1951-12-04 Earl Haubrich Mechanical movement
US5056416A (en) * 1989-09-16 1991-10-15 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Variable capacity wobble plate compressor with abrasion avoidable mounting structure for wobble plate pressing spring
GB2302714B (en) * 1995-06-27 1998-01-28 Bosch Gmbh Robert Piston pump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577675A (en) * 1948-09-23 1951-12-04 Earl Haubrich Mechanical movement
US5056416A (en) * 1989-09-16 1991-10-15 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Variable capacity wobble plate compressor with abrasion avoidable mounting structure for wobble plate pressing spring
GB2302714B (en) * 1995-06-27 1998-01-28 Bosch Gmbh Robert Piston pump
US5850775A (en) * 1995-06-27 1998-12-22 Robert Bosch Gmbh Pump piston

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