FR2193424A5 - - Google Patents

Info

Publication number
FR2193424A5
FR2193424A5 FR7326144A FR7326144A FR2193424A5 FR 2193424 A5 FR2193424 A5 FR 2193424A5 FR 7326144 A FR7326144 A FR 7326144A FR 7326144 A FR7326144 A FR 7326144A FR 2193424 A5 FR2193424 A5 FR 2193424A5
Authority
FR
France
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
FR7326144A
Other languages
French (fr)
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of FR2193424A5 publication Critical patent/FR2193424A5/fr
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
    • 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
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Fluid Gearings (AREA)
FR7326144A 1972-07-17 1973-07-17 Expired FR2193424A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00272408A US3841795A (en) 1972-07-17 1972-07-17 Combined engine speed and pressure responsive control for variable displacement pumps

Publications (1)

Publication Number Publication Date
FR2193424A5 true FR2193424A5 (enrdf_load_stackoverflow) 1974-02-15

Family

ID=23039671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7326144A Expired FR2193424A5 (enrdf_load_stackoverflow) 1972-07-17 1973-07-17

Country Status (7)

Country Link
US (1) US3841795A (enrdf_load_stackoverflow)
JP (1) JPS5918558B2 (enrdf_load_stackoverflow)
BE (1) BE802395A (enrdf_load_stackoverflow)
BR (1) BR7305193D0 (enrdf_load_stackoverflow)
DE (1) DE2336430C2 (enrdf_load_stackoverflow)
FR (1) FR2193424A5 (enrdf_load_stackoverflow)
GB (1) GB1436613A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339759A1 (fr) * 1976-01-30 1977-08-26 Linde Ag Dispositif de commande pour un ensemble de pompes
FR2385916A1 (fr) * 1977-03-31 1978-10-27 Komatsu Mfg Co Ltd Commande de pompe, simple ou multiple, a deplacement variable a l'aide d'une soupape de mesure d'ecoulement
FR2388149A1 (fr) * 1977-04-19 1978-11-17 Caterpillar Tractor Co Installation hydraulique comportant une commande simultanee selective de pression et de debit

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2247112A5 (enrdf_load_stackoverflow) * 1973-10-03 1975-05-02 Poclain Sa
JPS57227Y2 (enrdf_load_stackoverflow) * 1973-11-19 1982-01-05
US3868821A (en) * 1974-03-20 1975-03-04 Tyrone Hydraulics Automatic pump control system
JPS59713B2 (ja) * 1974-04-08 1984-01-07 三菱重工業株式会社 ユアツポンプノ リユウリヨウセイギヨソウチ
US3985472A (en) * 1975-04-23 1976-10-12 International Harvester Company Combined fixed and variable displacement pump system
US3963378A (en) * 1975-06-04 1976-06-15 Caterpillar Tractor Co. Part throttle control -- pump override
US4008004A (en) * 1975-12-22 1977-02-15 Abex Corporation Control system for variable displacement pumps
US4029439A (en) * 1975-12-22 1977-06-14 Abex Corporation Control system for variable displacement pumps
US4017218A (en) * 1976-03-15 1977-04-12 Caterpillar Tractor Co. Dual-speed setting underspeed system
US4055046A (en) * 1976-12-22 1977-10-25 Caterpillar Tractor Co. Control system having override for fluid operated work elements
US4065228A (en) * 1977-02-24 1977-12-27 Caterpillar Tractor Co. Hydraulic control for variable displacement pumps
US4080979A (en) * 1977-03-22 1978-03-28 Caterpillar Tractor Co. Combined summing and underspeed valve
US4240457A (en) * 1978-03-15 1980-12-23 Caterpillar Tractor Co. Variable flow control valve for steering systems of articulated vehicles
JPS5543245A (en) * 1978-09-22 1980-03-27 Komatsu Ltd Volume controller of variable hydraulic pump
JPS5543246A (en) * 1978-09-22 1980-03-27 Komatsu Ltd Volume controller of variable hydraulic pump
JPS5569782A (en) * 1978-11-20 1980-05-26 Japan Steel Works Ltd:The Output-power controller for pumps
GB2072890B (en) * 1979-10-15 1983-08-10 Hitachi Construction Machinery Method of controlling internal combustion engine and hydraulic pump system
CA1193005A (en) * 1980-04-08 1985-09-03 Robert S. Bradford Automatic track following feature for helical video recorder
DE3024399A1 (de) * 1980-06-28 1982-01-21 Linde Ag, 6200 Wiesbaden Regeleinrichtung fuer ein aggregat aus mehreren, von einer gemeinsamen primaerenergiequelle angetriebenen pumpe
JPS57197336A (en) * 1981-05-29 1982-12-03 Komatsu Ltd Oil-pressure circuit for turning excavator
JPS5888480A (ja) * 1981-11-21 1983-05-26 Hitachi Constr Mach Co Ltd 原動機で駆動される油圧ポンプの入力制御装置
US4498847A (en) * 1982-06-29 1985-02-12 Kabushiki Kaisha Komatsu Seisakusho Control system for variable displacement hydraulic pumps
US4613286A (en) * 1984-12-31 1986-09-23 Kabushiki Kaisha Komatsu Seisakusho Constant torque control system for a variable displacement pump or pumps
JP2699491B2 (ja) * 1988-11-30 1998-01-19 石川島播磨重工業株式会社 石油掘削などのライザパイプの格納装置
JPH07111176B2 (ja) * 1988-12-16 1995-11-29 ダイキン工業株式会社 可変容量形液圧装置
US5468126A (en) * 1993-12-23 1995-11-21 Caterpillar Inc. Hydraulic power control system
US5525043A (en) * 1993-12-23 1996-06-11 Caterpillar Inc. Hydraulic power control system
WO2007105994A1 (en) * 2006-03-13 2007-09-20 Volvo Construction Equipment Ab Arrangement and method for delivering hydraulic fluid in a work vehicle
US7549287B2 (en) 2007-09-14 2009-06-23 Cnh America Llc Hydrostatic auto/manual speed control
US8326499B2 (en) * 2008-12-02 2012-12-04 Caterpillar Inc. Retarding control of a machine through power dissipation through power source and parasitic loads

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3543508A (en) * 1968-10-16 1970-12-01 Hyster Co Hydrostatic transmission with pressure control
GB1293931A (en) * 1969-02-18 1972-10-25 Dowty Hydraulic Units Ltd Hydraulic apparatus
DE1910914A1 (de) * 1969-03-04 1971-04-22 Brueninghaus Hydraulik Gmbh Leistungsregeleinrichtung fuer Axialkolbenpumpen
CH508498A (de) * 1969-04-24 1971-06-15 Bosch Gmbh Robert Regelvorrichtung für einen hydrostatischen Fahrzeugantrieb
DE1933951C3 (de) * 1969-07-04 1974-08-29 Hydromatik Gmbh, 7900 Ulm Regelvorrichtung für die Begrenzung der Summe der abgenommenen Leistung zweier oder mehrerer verstellbarer Hydropumpen
ZA704229B (en) * 1969-10-06 1971-03-31 Elektrohydraulische Anlagen An A hydraulic system
DE2001701C3 (de) * 1970-01-15 1979-04-05 Linde Ag, 6200 Wiesbaden Stelleinrichtung für die Fernsteuerung eines stufenlos einstellbaren hydrostatischen Getriebes
DE2100112A1 (de) * 1970-02-23 1971-09-09 VEB Kombinat Orsta-Hydraulik Betrieb Industriewerke Karl-Marx-Stadt, χ 9030 Karl-Marx-Stadt Druckregeleinrichtung
NO124443B (enrdf_load_stackoverflow) * 1970-04-22 1972-04-17 Ingebret Soeyland

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339759A1 (fr) * 1976-01-30 1977-08-26 Linde Ag Dispositif de commande pour un ensemble de pompes
FR2385916A1 (fr) * 1977-03-31 1978-10-27 Komatsu Mfg Co Ltd Commande de pompe, simple ou multiple, a deplacement variable a l'aide d'une soupape de mesure d'ecoulement
FR2388149A1 (fr) * 1977-04-19 1978-11-17 Caterpillar Tractor Co Installation hydraulique comportant une commande simultanee selective de pression et de debit

Also Published As

Publication number Publication date
BR7305193D0 (pt) 1974-08-15
DE2336430A1 (de) 1974-01-31
JPS5918558B2 (ja) 1984-04-27
JPS504601A (enrdf_load_stackoverflow) 1975-01-18
US3841795A (en) 1974-10-15
GB1436613A (en) 1976-05-19
BE802395A (fr) 1974-01-16
DE2336430C2 (de) 1986-05-22

Similar Documents

Publication Publication Date Title
FR2193424A5 (enrdf_load_stackoverflow)
FR2177708A1 (enrdf_load_stackoverflow)
JPS5610513B2 (enrdf_load_stackoverflow)
CS154807B1 (enrdf_load_stackoverflow)
JPS4934360A (enrdf_load_stackoverflow)
CS159447B1 (enrdf_load_stackoverflow)
JPS4929420U (enrdf_load_stackoverflow)
JPS48103792A (enrdf_load_stackoverflow)
JPS4980987A (enrdf_load_stackoverflow)
CS158484B1 (enrdf_load_stackoverflow)
CS158509B1 (enrdf_load_stackoverflow)
CS156198B1 (enrdf_load_stackoverflow)
CS155580B1 (enrdf_load_stackoverflow)
JPS4921189A (enrdf_load_stackoverflow)
JPS4917412U (enrdf_load_stackoverflow)
CS157592B1 (enrdf_load_stackoverflow)
CS155620B1 (enrdf_load_stackoverflow)
JPS4896741U (enrdf_load_stackoverflow)
JPS48114629U (enrdf_load_stackoverflow)
CS155640B1 (enrdf_load_stackoverflow)
CS155647B1 (enrdf_load_stackoverflow)
CS155790B1 (enrdf_load_stackoverflow)
JPS48109933U (enrdf_load_stackoverflow)
CS157599B1 (enrdf_load_stackoverflow)
CS156691B1 (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse