CA998566A - Torque limiting means for variable displacement pumps - Google Patents

Torque limiting means for variable displacement pumps

Info

Publication number
CA998566A
CA998566A CA184,082A CA184082A CA998566A CA 998566 A CA998566 A CA 998566A CA 184082 A CA184082 A CA 184082A CA 998566 A CA998566 A CA 998566A
Authority
CA
Canada
Prior art keywords
variable displacement
limiting means
torque limiting
displacement pumps
pumps
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
CA184,082A
Other versions
CA184082S (en
Inventor
Richard J. Ifield
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA998566A publication Critical patent/CA998566A/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
    • 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
    • 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
    • F04B1/2064—Housings
    • F04B1/2071—Bearings for cylinder barrels
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
CA184,082A 1972-10-23 1973-10-23 Torque limiting means for variable displacement pumps Expired CA998566A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPB092272 1972-10-23

Publications (1)

Publication Number Publication Date
CA998566A true CA998566A (en) 1976-10-19

Family

ID=3765433

Family Applications (1)

Application Number Title Priority Date Filing Date
CA184,082A Expired CA998566A (en) 1972-10-23 1973-10-23 Torque limiting means for variable displacement pumps

Country Status (7)

Country Link
US (1) US3877839A (en)
CA (1) CA998566A (en)
DE (1) DE2352739A1 (en)
FR (1) FR2204231A5 (en)
GB (1) GB1412830A (en)
IT (1) IT996322B (en)
SE (1) SE406001B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076459A (en) * 1976-09-14 1978-02-28 Abex Corporation Horsepower limiter control for a variable displacement pump
US4116002A (en) * 1977-08-22 1978-09-26 Eaton Corporation Control for a variable displacement pump or motor
US4191094A (en) * 1978-04-26 1980-03-04 Sundstrand Corporation Power drive unit
US4241753A (en) * 1979-06-18 1980-12-30 The Bendix Corporation Control valve for use with variable displacement piston pump
FR2503273B1 (en) * 1981-04-02 1986-02-21 Messier Hispano Sa HYDRAULIC PUMP
WO1985004455A1 (en) * 1984-03-29 1985-10-10 Zahnradfabrik Friedrichshafen Ag Hydraulic system for vehicles
DE3733083A1 (en) * 1987-09-30 1989-04-13 Linde Ag ADJUSTABLE AXIAL PISTON MACHINE IN SWASHING DISC DESIGN
US7007589B1 (en) * 1997-09-15 2006-03-07 R. Sanderson Management, Inc. Piston assembly
US6446587B1 (en) 1997-09-15 2002-09-10 R. Sanderson Management, Inc. Piston engine assembly
US6460450B1 (en) 1999-08-05 2002-10-08 R. Sanderson Management, Inc. Piston engine balancing
DE60027572T2 (en) * 1999-08-05 2007-05-10 R. Sanderson Management, Inc., Denton PISTON MACHINE ASSEMBLIES AND ASSOCIATED METHOD
US7011469B2 (en) * 2001-02-07 2006-03-14 R. Sanderson Management, Inc. Piston joint
US7331271B2 (en) 2001-02-08 2008-02-19 R. Sanderson Management, Inc. Variable stroke/clearance mechanism
US6854377B2 (en) 2001-11-02 2005-02-15 R. Sanderson Management, Inc. Variable stroke balancing
US6913447B2 (en) 2002-01-22 2005-07-05 R. Sanderson Management, Inc. Metering pump with varying piston cylinders, and with independently adjustable piston strokes
US7140343B2 (en) * 2002-05-28 2006-11-28 R. Sanderson Management, Inc. Overload protection mechanism
US7438029B2 (en) * 2004-03-18 2008-10-21 R. Sanderson Management, Inc. Piston waveform shaping
JP4808708B2 (en) * 2004-05-26 2011-11-02 アール サンダーソン マネージメント インコーポレイテッド Variable stroke and clearance mechanism
CN101772645B (en) * 2007-08-07 2016-09-28 罗伯特-博希股份公司 Hydrostatic machine including the adjusting apparatus with control and regulation valve return element
US9133837B2 (en) * 2008-04-24 2015-09-15 Caterpillar Inc. Method of controlling a hydraulic system
DE102011080422A1 (en) 2011-08-04 2013-02-07 Schaeffler Technologies AG & Co. KG Camshaft adjustment system for internal combustion engine e.g. diesel engine for e.g. commercial vehicle, has control mechanism including hydraulic fluid absorbing phaser for adjusting valve by force actuated by hydraulic fluid
US9477235B2 (en) 2013-02-18 2016-10-25 Liebert Corporation Methods of controlling a cooling system based on pressure differences across a scroll compressor
US9829233B2 (en) 2013-02-18 2017-11-28 Liebert Corporation Scroll compressor differential pressure control during compressor startup transitions
US9476624B2 (en) * 2013-02-18 2016-10-25 Liebert Corporation Scroll compressor differential pressure control during compressor shutdown transitions
DE102017202826A1 (en) * 2016-04-11 2017-10-12 Robert Bosch Gmbh Hydrostatic axial piston machine
DE102016224554A1 (en) * 2016-12-09 2018-06-14 Robert Bosch Gmbh Hydrostatic axial piston machine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155047A (en) * 1962-03-15 1964-11-03 Keel Adolf Power transmission
GB1082807A (en) * 1964-11-19 1967-09-13 Serck R & D Ltd Hydraulic machines with reciprocatory pistons
DE1528382A1 (en) * 1965-08-23 1969-06-26 Bosch Gmbh Robert Regulation and control device
DE1959409A1 (en) * 1969-11-26 1971-06-16 Sigma Hydrostatic transmission with variable transmission ratio
US3726609A (en) * 1970-01-30 1973-04-10 Applied Power Ind Inc Load controller
FR2086776A6 (en) * 1970-04-08 1971-12-31 Sigma
US3733963A (en) * 1971-03-29 1973-05-22 Abex Corp Method and apparatus for controlling displacement of a variable volume pump or motor
US3750532A (en) * 1971-07-22 1973-08-07 Abex Corp Servoactuator with mechanical feedback
US3803987A (en) * 1972-11-14 1974-04-16 Abex Corp Servoactuated hydraulic transducer apparatus

Also Published As

Publication number Publication date
US3877839A (en) 1975-04-15
IT996322B (en) 1975-12-10
DE2352739C2 (en) 1987-07-02
SE406001B (en) 1979-01-15
DE2352739A1 (en) 1974-05-02
FR2204231A5 (en) 1974-05-17
GB1412830A (en) 1975-11-05

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