SE7511568L - CONTROL SYSTEM FOR A VARIABLE DISPLACEMENT PUMP - Google Patents

CONTROL SYSTEM FOR A VARIABLE DISPLACEMENT PUMP

Info

Publication number
SE7511568L
SE7511568L SE7511568A SE7511568A SE7511568L SE 7511568 L SE7511568 L SE 7511568L SE 7511568 A SE7511568 A SE 7511568A SE 7511568 A SE7511568 A SE 7511568A SE 7511568 L SE7511568 L SE 7511568L
Authority
SE
Sweden
Prior art keywords
control system
variable displacement
displacement pump
pump
fluid pressure
Prior art date
Application number
SE7511568A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE407101B (en
Inventor
E H Born
A H Viles
C E Adams
D L Thurston
Original Assignee
Abex 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
Application filed by Abex Corp filed Critical Abex Corp
Publication of SE7511568L publication Critical patent/SE7511568L/en
Publication of SE407101B publication Critical patent/SE407101B/en

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
    • 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
    • F04B49/002—Hydraulic systems to change the pump delivery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/10—Control of working-fluid admission or discharge peculiar thereto
    • F01B3/103—Control of working-fluid admission or discharge peculiar thereto for machines with rotary cylinder block
    • F01B3/106—Control of working-fluid admission or discharge peculiar thereto for machines with rotary 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
    • F04B1/26—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
    • 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

Abstract

An automatic control system for an across-center axial piston pump which destrokes the pump when fluid pressure or flow exceeds a predetermined maximum and returns the pump to its previous setting when fluid pressure or flow falls below the maximum.
SE7511568A 1974-10-16 1975-10-15 AUTOMATIC CONTROL DEVICE FOR AN ENERGY TRANSFORMING DEVICE WITH VARIABLE DISPLACEMENT FLUID SE407101B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US515270A US3908519A (en) 1974-10-16 1974-10-16 Control systems for a variable displacement pump

Publications (2)

Publication Number Publication Date
SE7511568L true SE7511568L (en) 1976-04-17
SE407101B SE407101B (en) 1979-03-12

Family

ID=24050665

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7511568A SE407101B (en) 1974-10-16 1975-10-15 AUTOMATIC CONTROL DEVICE FOR AN ENERGY TRANSFORMING DEVICE WITH VARIABLE DISPLACEMENT FLUID

Country Status (16)

Country Link
US (1) US3908519A (en)
JP (1) JPS6127592B2 (en)
AU (1) AU472949B2 (en)
BR (1) BR7506777A (en)
CA (1) CA1032441A (en)
CH (1) CH617248A5 (en)
DE (1) DE2545362C2 (en)
ES (1) ES441550A1 (en)
FR (1) FR2288236A1 (en)
GB (1) GB1522027A (en)
IN (1) IN142703B (en)
IT (1) IT1047520B (en)
MX (1) MX147117A (en)
NL (1) NL178807C (en)
SE (1) SE407101B (en)
SU (1) SU736884A3 (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2451380C2 (en) * 1974-10-29 1985-08-14 Linde Ag, 6200 Wiesbaden Adjustable axial piston motor with a swivel vane actuator
US3982470A (en) * 1975-08-04 1976-09-28 Abex Corporation Control system for axial piston fluid energy translating device
US4029439A (en) * 1975-12-22 1977-06-14 Abex Corporation Control system for variable displacement pumps
US4008004A (en) * 1975-12-22 1977-02-15 Abex Corporation Control system for variable displacement pumps
US4076459A (en) * 1976-09-14 1978-02-28 Abex Corporation Horsepower limiter control for a variable displacement pump
US4142841A (en) * 1977-08-31 1979-03-06 Parker-Hannifin Corporation Variable displacement pump control
US4476680A (en) * 1979-08-14 1984-10-16 Sundstrand Corporation Pressure override control
US4336003A (en) * 1980-08-11 1982-06-22 Abex Corporation Crane swing control
DE3238362A1 (en) * 1982-10-15 1984-04-19 Linde Ag, 6200 Wiesbaden Axial piston machine
US4455124A (en) * 1982-12-20 1984-06-19 Abex Corporation Automatic pressure setting adjustment for a pressure compensated pump
DE3427422A1 (en) * 1983-07-26 1985-02-07 Linde Ag, 6200 Wiesbaden Control device for a drive
US4617797A (en) * 1984-05-09 1986-10-21 Sundstrand Corporation Multi-function valve
US4722186A (en) * 1986-01-24 1988-02-02 Sundstrand Corporation Dual pressure displacement control system
US4768340A (en) * 1987-04-24 1988-09-06 Allied-Signal Inc. Automatic displacement control for variable displacement motor
US4892465A (en) * 1988-09-14 1990-01-09 Hagglunds Denison Corporation Automatic control for variable displacement pump
US5076145A (en) * 1990-06-04 1991-12-31 Hagglunds Denison Corporation Axial piston pump having a blocking valve in a manually controlled valve plate
US5590579A (en) * 1995-10-31 1997-01-07 Eaton Corporation Hydrostatic pump and bearing-clocking mechanism therefor
US6332393B1 (en) * 1999-07-16 2001-12-25 Hydro-Gear Limited Partnership Pump
US6694729B1 (en) 1999-07-16 2004-02-24 Hydro-Gear Limited Partnership Pump
US7082762B1 (en) 1999-07-16 2006-08-01 Hydro-Gear Limited Partnership Pump
US6889595B1 (en) 1999-07-16 2005-05-10 Hydro-Gear Limited Partnership Pump
US7178336B1 (en) 1999-07-16 2007-02-20 Hydro-Gear Limited Partnership Pump
US6672843B1 (en) 2002-04-08 2004-01-06 Hydro-Gear Limited Partnership Dual pump apparatus comprising dual drive shafts and auxiliary pump
US6893228B2 (en) * 2002-11-22 2005-05-17 Caterpillar Inc Axial piston pump with fluid bearing arrangement
US7562944B2 (en) * 2002-12-16 2009-07-21 Walker Frank H Hydraulic regenerative braking system for a vehicle
US6953327B1 (en) 2003-03-11 2005-10-11 Hydro-Gear Limited Partnership Dual pump
US7107892B2 (en) * 2003-03-26 2006-09-19 Parker-Hannifin Housing with multiple case drain ports for hydrostatic transmission pumps
WO2006066156A2 (en) * 2004-12-17 2006-06-22 Walker Frank H Hydraulic regenerative braking system and method for a vehicle
US7789846B2 (en) * 2005-01-25 2010-09-07 Thermopeutix, Inc. System and methods for selective thermal treatment
US20080210500A1 (en) * 2005-05-11 2008-09-04 Walker Frank H Hydraulic Regenerative Braking System For a Vehicle
US8162621B2 (en) * 2007-02-12 2012-04-24 Walker Frank H Hydraulic machine arrangement
WO2008100953A1 (en) * 2007-02-12 2008-08-21 Walker Frank H Hydraulic machine arrangement
US8974203B2 (en) * 2007-04-03 2015-03-10 Parker-Hannifin Corporation Hydraulic pump end cover
US11306713B2 (en) * 2017-11-14 2022-04-19 Eaton Intelligent Power Limited Hydraulic pump with speed and pressure compensation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1453656A1 (en) * 1951-01-28 1969-04-30 Fritz Stumpmeier Universal control and regulating element for pumps that change delivery flow
DE1154689B (en) * 1960-07-09 1963-09-19 Linde Eismasch Ag Device for controlling a continuously variable hydrostatic unit
US3257959A (en) * 1964-05-21 1966-06-28 Budzich Tadeusz Controls for reversible variable flow pumps
US3187509A (en) * 1964-09-16 1965-06-08 Sundstrand Corp Hydrostatic transmission
US3383857A (en) * 1966-05-24 1968-05-21 Borg Warner Hydrostatic transmission mechanism
US3396536A (en) * 1966-08-08 1968-08-13 Cessna Aircraft Co Hydraulic transmission
DE1917488B2 (en) * 1969-04-05 1977-06-23 Robert Bosch Gmbh, 7000 Stuttgart CONTROL DEVICE FOR A HYDRO MACHINE
DE1922145A1 (en) * 1969-04-25 1970-10-29 Bellows Valvair Kaemper Gmbh Combination controller
BE757640A (en) * 1969-10-16 1971-04-16 Borg Warner HYDRAULIC SYSTEMS, ESPECIALLY FOR THE REGULATION OF A VARIABLE FLOW PUMP
US3739974A (en) * 1970-04-13 1973-06-19 Production Technology Inc Conversion of variable delivery pump to fixed delivery pump for a friction welder
DE2141724A1 (en) * 1971-08-20 1973-03-01 Bosch Gmbh Robert CONTROL AND REGULATING DEVICE FOR A HYDROPUMP

Also Published As

Publication number Publication date
CA1032441A (en) 1978-06-06
MX147117A (en) 1982-10-11
IN142703B (en) 1977-08-20
AU8478675A (en) 1976-06-10
US3908519A (en) 1975-09-30
FR2288236B1 (en) 1979-02-16
BR7506777A (en) 1976-08-17
NL178807B (en) 1985-12-16
NL178807C (en) 1986-05-16
SU736884A3 (en) 1980-05-25
CH617248A5 (en) 1980-05-14
NL7510658A (en) 1976-04-21
IT1047520B (en) 1980-10-20
DE2545362C2 (en) 1984-05-24
AU472949B2 (en) 1976-06-10
GB1522027A (en) 1978-08-23
SE407101B (en) 1979-03-12
JPS6127592B2 (en) 1986-06-26
DE2545362A1 (en) 1976-04-22
ES441550A1 (en) 1977-04-01
JPS5157001A (en) 1976-05-19
FR2288236A1 (en) 1976-05-14

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