GB1568946A - Variable displacement piston pump - Google Patents

Variable displacement piston pump Download PDF

Info

Publication number
GB1568946A
GB1568946A GB16522/78A GB1652278A GB1568946A GB 1568946 A GB1568946 A GB 1568946A GB 16522/78 A GB16522/78 A GB 16522/78A GB 1652278 A GB1652278 A GB 1652278A GB 1568946 A GB1568946 A GB 1568946A
Authority
GB
United Kingdom
Prior art keywords
valve
piston
pressure
spool
pump
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
GB16522/78A
Other languages
English (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.)
Bendix Corp
Original Assignee
Bendix Corp
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
Priority claimed from US05/796,933 external-priority patent/US4149830A/en
Application filed by Bendix Corp filed Critical Bendix Corp
Publication of GB1568946A publication Critical patent/GB1568946A/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
    • F04B1/26—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
    • 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
    • F04B1/18—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 having self-acting distribution members, i.e. actuated by working fluid
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Fuel-Injection Apparatus (AREA)
GB16522/78A 1977-05-09 1978-04-26 Variable displacement piston pump Expired GB1568946A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79477477A 1977-05-09 1977-05-09
US05/796,933 US4149830A (en) 1977-05-16 1977-05-16 Variable displacement piston pump

Publications (1)

Publication Number Publication Date
GB1568946A true GB1568946A (en) 1980-06-11

Family

ID=27121549

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16522/78A Expired GB1568946A (en) 1977-05-09 1978-04-26 Variable displacement piston pump

Country Status (5)

Country Link
JP (1) JPS53138504A (de)
DE (1) DE2820195A1 (de)
FR (1) FR2390598A1 (de)
GB (1) GB1568946A (de)
IT (1) IT1094621B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2302714B (en) * 1995-06-27 1998-01-28 Bosch Gmbh Robert Piston pump

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4137013A (en) * 1977-09-22 1979-01-30 The Bendix Corporation Variable displacement piston pump

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193503A (en) * 1937-05-17 1940-03-12 Gunnar A Wahlmark Rotary hydraulic motor or pump
AT164677B (de) * 1944-05-27 1949-12-10 Nathan Mfg Co Pumpe mit einem oder mehreren selbststeuernden Kolben
DE1055959B (de) * 1957-08-31 1959-04-23 Bosch Gmbh Robert Pumpe mit hin- und hergehenden Pumpenkolben
GB925060A (en) * 1960-08-30 1963-05-01 Bendix Corp Improved servo controlled constant-pressure pump
US3289605A (en) * 1964-12-31 1966-12-06 Sperry Rand Corp Power transmission
FR1473091A (fr) * 1966-01-06 1967-03-17 Pompe hydraulique à débit variable
FR1526901A (fr) * 1966-10-12 1968-05-31 Int Basic Economy Corp Pompe hydraulique à pistons
US3465680A (en) * 1967-05-31 1969-09-09 Sundstrand Corp Hydraulic pump or motor unit
FR1563864A (de) * 1968-02-07 1969-04-18
FR2082603A5 (de) * 1970-03-20 1971-12-10 Boyer Jean Jacques
JPS4963003A (de) * 1972-06-16 1974-06-19
DE2413274A1 (de) * 1974-03-20 1975-10-02 Bosch Gmbh Robert Hydraulischer druckregler
DE2456404A1 (de) * 1974-11-29 1976-08-12 Bosch Gmbh Robert Druckregler fuer hydropumpe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
JPS53138504A (en) 1978-12-04
FR2390598A1 (fr) 1978-12-08
IT7823111A0 (it) 1978-05-08
IT1094621B (it) 1985-08-02
DE2820195A1 (de) 1978-11-16
FR2390598B1 (de) 1982-06-25
DE2820195C2 (de) 1988-04-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee