CA1032441A - Control systems for a variable displacement pump - Google Patents

Control systems for a variable displacement pump

Info

Publication number: CA1032441A
Authority: CA; Canada
Prior art keywords: control systems; variable displacement; displacement pump; pump; variable
Prior art date: 1974-10-16
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

CA234,667A

Other languages

English (en)

French (fr)

Inventor

Ellis H. Born

Cecil E. Adams

Alan H. Viles

David L. Thurston

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.)

PepsiAmericas Inc

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.)

1974-10-16

Filing date

1975-09-03

Publication date

1978-06-06

1975-09-03 Application filed by Abex Corp filed Critical Abex Corp

1978-06-06 Application granted granted Critical

1978-06-06 Publication of CA1032441A publication Critical patent/CA1032441A/en

Status 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
- 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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Reciprocating Pumps (AREA)
Fluid-Pressure Circuits (AREA)
Control Of Fluid Gearings (AREA)
Control Of Positive-Displacement Pumps (AREA)
Indication Of The Valve Opening Or Closing Status (AREA)
Hydraulic Motors (AREA)

CA234,667A 1974-10-16 1975-09-03 Control systems for a variable displacement pump Expired CA1032441A (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 (1)

Publication Number	Publication Date
CA1032441A true CA1032441A (en)	1978-06-06

Family

ID=24050665

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA234,667A Expired CA1032441A (en)	1974-10-16	1975-09-03	Control systems for a variable displacement pump

Country Status (16)

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

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2451380C2 (de) *	1974-10-29	1985-08-14	Linde Ag, 6200 Wiesbaden	Einstellbarer Axialkolbenmotor mit einem Schwenkflügelstellantrieb
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 (de) *	1982-10-15	1984-04-19	Linde Ag, 6200 Wiesbaden	Axialkolbenmaschine
US4455124A (en) *	1982-12-20	1984-06-19	Abex Corporation	Automatic pressure setting adjustment for a pressure compensated pump
GB2144242B (en) *	1983-07-26	1987-07-22	Linde Ag	A machine control arrangement
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
US7082762B1 (en)	1999-07-16	2006-08-01	Hydro-Gear Limited Partnership	Pump
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
US7178336B1 (en)	1999-07-16	2007-02-20	Hydro-Gear Limited Partnership	Pump
US6889595B1 (en)	1999-07-16	2005-05-10	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
US8176838B2 (en) *	2007-02-12	2012-05-15	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 (de) *	1951-01-28	1969-04-30	Fritz Stumpmeier	Universal-Steuer- und Regelglied fuer foerderstromveraenderliche Pumpen
DE1154689B (de) *	1960-07-09	1963-09-19	Linde Eismasch Ag	Einrichtung zum Steuern einer stufenlos regelbaren hydrostatischen Einheit
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 (de) *	1969-04-05	1977-06-23	Robert Bosch Gmbh, 7000 Stuttgart	Steuereinrichtung fuer eine hydromaschine
DE1922145A1 (de) *	1969-04-25	1970-10-29	Bellows Valvair Kaemper Gmbh	Kombinationsregler
BE757640A (fr) *	1969-10-16	1971-04-16	Borg Warner	Systemes hydrauliques, notamment pour la regulation d'une pompea debit variable
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 (de) *	1971-08-20	1973-03-01	Bosch Gmbh Robert	Steuer- und regeleinrichtung fuer eine hydropumpe

1974
- 1974-10-16 US US515270A patent/US3908519A/en not_active Expired - Lifetime
1975
- 1975-09-01 IN IN1683/CAL/75A patent/IN142703B/en unknown
- 1975-09-03 CA CA234,667A patent/CA1032441A/en not_active Expired
- 1975-09-10 NL NLAANVRAGE7510658,A patent/NL178807C/xx not_active IP Right Cessation
- 1975-09-12 AU AU84786/75A patent/AU472949B2/en not_active Expired
- 1975-09-19 JP JP50113584A patent/JPS6127592B2/ja not_active Expired
- 1975-09-19 IT IT51415/75A patent/IT1047520B/it active
- 1975-09-23 GB GB39049/75A patent/GB1522027A/en not_active Expired
- 1975-10-07 ES ES441550A patent/ES441550A1/es not_active Expired
- 1975-10-09 DE DE2545362A patent/DE2545362C2/de not_active Expired
- 1975-10-10 CH CH1315175A patent/CH617248A5/de not_active IP Right Cessation
- 1975-10-10 SU SU752178649A patent/SU736884A3/ru active
- 1975-10-15 MX MX161327A patent/MX147117A/es unknown
- 1975-10-15 SE SE7511568A patent/SE407101B/xx not_active IP Right Cessation
- 1975-10-16 BR BR7506777*A patent/BR7506777A/pt unknown
- 1975-10-16 FR FR7531742A patent/FR2288236A1/fr active Granted

Also Published As

Publication number	Publication date
JPS5157001A (de)	1976-05-19
JPS6127592B2 (de)	1986-06-26
MX147117A (es)	1982-10-11
SE407101B (sv)	1979-03-12
SE7511568L (sv)	1976-04-20
DE2545362A1 (de)	1976-04-22
NL178807C (nl)	1986-05-16
NL7510658A (nl)	1976-04-21
US3908519A (en)	1975-09-30
IN142703B (de)	1977-08-20
IT1047520B (it)	1980-10-20
FR2288236B1 (de)	1979-02-16
ES441550A1 (es)	1977-04-01
GB1522027A (en)	1978-08-23
AU472949B2 (en)	1976-06-10
CH617248A5 (de)	1980-05-14
NL178807B (nl)	1985-12-16
DE2545362C2 (de)	1984-05-24
AU8478675A (en)	1976-06-10
FR2288236A1 (fr)	1976-05-14
SU736884A3 (ru)	1980-05-25
BR7506777A (pt)	1976-08-17

Publication	Publication Date	Title
CA1032441A (en)	1978-06-06	Control systems for a variable displacement pump
CA1008032A (en)	1977-04-05	Gun type fluid control device
CA1035668A (en)	1978-08-01	Automatic pump control system
CA1028565A (en)	1978-03-28	Variable displacement pump control assembly
CA1025750A (en)	1978-02-07	Pressure feedback system
CA967809A (en)	1975-05-20	Variable displacement pump control system
JPS5280504A (en)	1977-07-06	Controlling systems for variable displacement pumps
CA1033988A (en)	1978-07-04	Variable displacement pump control assembly
CA1035202A (en)	1978-07-25	Variable displacement cylindrical pump
GB1558290A (en)	1979-12-19	Fluid-pressure control system for a variable displacement pump
CA1001945A (en)	1976-12-21	Dual pump control systems
CA1026566A (en)	1978-02-21	Implement position control system
CA1007219A (en)	1977-03-22	Anti-bottoming fluid control system
CA1029244A (en)	1978-04-11	Displacement pump
GB1415977A (en)	1975-12-03	Control system for a hydrostatic pump
AU490576B2 (en)	1974-02-24	Variable displacement pump control assembly
AU497078B2 (en)	1978-11-30	Engine control systems
GB2031615B (en)	1982-09-29	Hydraulic control systems for variable displacement hydraulic pumps
AU491748B2 (en)	1977-04-21	Hydraulic pump control system
AU8577075A (en)	1977-04-21	Hydraulic pump control system
AU491283B2 (en)	1976-10-07	Variable displacement pump
AU7982175A (en)	1976-10-07	Variable displacement pump
CA990579A (en)	1976-06-08	Variable displacement pump having pressure compensator control means
AU494074B2 (en)		Variable displacement pump control assembly
AU494446B2 (en)	1977-01-27	Hydraulic control system