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FR2244923B1 - - Google Patents

Info

Publication number
FR2244923B1
FR2244923B1 FR7431988A FR7431988A FR2244923B1 FR 2244923 B1 FR2244923 B1 FR 2244923B1 FR 7431988 A FR7431988 A FR 7431988A FR 7431988 A FR7431988 A FR 7431988A FR 2244923 B1 FR2244923 B1 FR 2244923B1
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
FR7431988A
Other languages
French (fr)
Other versions
FR2244923A1 (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.)
Oilgear Co
Original Assignee
Oilgear 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 Oilgear Co filed Critical Oilgear Co
Publication of FR2244923A1 publication Critical patent/FR2244923A1/fr
Application granted granted Critical
Publication of FR2244923B1 publication Critical patent/FR2244923B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
    • F01L25/063—Arrangements with main and auxiliary valves, at least one of them being fluid-driven the auxiliary valve being actuated by the working motor-piston or piston-rod
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
    • F04B9/111—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers with two mechanically connected pumping members
    • F04B9/113—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers with two mechanically connected pumping members reciprocating movement of the pumping members being obtained by a double-acting liquid motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
FR7431988A 1973-09-24 1974-09-23 Expired FR2244923B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00400318A US3846049A (en) 1973-09-24 1973-09-24 Intensifier pump with half wave modulator

Publications (2)

Publication Number Publication Date
FR2244923A1 FR2244923A1 (en) 1975-04-18
FR2244923B1 true FR2244923B1 (en) 1979-09-21

Family

ID=23583109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7431988A Expired FR2244923B1 (en) 1973-09-24 1974-09-23

Country Status (7)

Country Link
US (1) US3846049A (en)
JP (1) JPS5547234B2 (en)
CA (1) CA1027456A (en)
DE (1) DE2444844C3 (en)
FR (1) FR2244923B1 (en)
GB (1) GB1423646A (en)
IT (1) IT1022246B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2256977A (en) * 1976-03-15 1978-08-31 Vapor Corp Positive displacement unjector pump
US4286929A (en) * 1977-03-23 1981-09-01 Rodney T. Heath Dual pressure gas motor, and method of operation
DE2751811C2 (en) * 1977-11-19 1982-10-14 Hellmuth Walter Gmbh, 2300 Kiel Control device for a hydraulic fluid piston engine
US4213298A (en) * 1978-07-03 1980-07-22 Offshore Devices, Inc. Self-reversing hydraulic control system and self-reversing pump incorporating such system
US4379680A (en) * 1979-08-22 1983-04-12 Vapor Corporation Ambient air timing device
US4302159A (en) * 1979-08-22 1981-11-24 Vapor Corporation Ambient air timing device
US4242057A (en) * 1979-09-24 1980-12-30 Bender Emil A Tandem long stroke reciprocating mud pump assembly
US4412792A (en) * 1981-01-21 1983-11-01 The Oilgear Company Intensifier pump with integrated check valve
EP0061706A1 (en) * 1981-03-28 1982-10-06 DEPA GmbH Air-pressure actuated double-diaphragm pump
DE3117027A1 (en) * 1981-04-29 1982-11-25 Manfred Ing.(grad.) 4320 Hattingen Fischbach "COMPRESSING DEVICE FOR DRINKING THE MOUNTAINS, PREFERABLY FOR GLUING WITH LIQUID PLASTIC"
JPS58150932U (en) * 1982-03-31 1983-10-08 株式会社クボタ Structure of the waste straw processing section of a combine harvester
US4653986A (en) * 1983-07-28 1987-03-31 Tidewater Compression Service, Inc. Hydraulically powered compressor and hydraulic control and power system therefor
FR2642796B1 (en) * 1989-02-06 1994-05-06 Lavoisiere Andre SELF-REVERSIBLE RECIPROCATING PISTON PUMP WITH HYDRAULIC REVERSE SIGNAL TRANSMISSION
DE4029718C2 (en) * 1990-09-19 1995-03-16 Paul Pleiger Gmbh & Co Kg Control for a piston pump
US7399167B2 (en) * 2003-01-28 2008-07-15 Denso Corporation Fluid machine operable in both pump mode and motor mode and waste heat recovering system having the same
US7086225B2 (en) 2004-02-11 2006-08-08 Haldex Hydraulics Corporation Control valve supply for rotary hydraulic machine
US7402027B2 (en) 2004-02-11 2008-07-22 Haldex Hydraulics Corporation Rotating group of a hydraulic machine
US7124677B2 (en) 2004-02-11 2006-10-24 Haldex Hydraulics Corporation Swashplate assembly
US7380490B2 (en) 2004-02-11 2008-06-03 Haldex Hydraulics Corporation Housing for rotary hydraulic machines
US7364409B2 (en) * 2004-02-11 2008-04-29 Haldex Hydraulics Corporation Piston assembly for rotary hydraulic machines
CA2825598A1 (en) * 2004-02-11 2005-08-25 Concentric Rockford Inc. Rotary hydraulic machine and controls
WO2006001725A1 (en) * 2004-06-18 2006-01-05 Gennady Pavlovich Dmitriev Hydraulic piston pump
FI9797U1 (en) * 2012-08-20 2012-09-14 Samuli Korpela The booster unit
JP2016156405A (en) * 2015-02-23 2016-09-01 アネスト岩田株式会社 Pilot valve
US11141848B2 (en) * 2017-09-20 2021-10-12 Kyocera Senco Industrial Tools, Inc. Automatic pneumatic fastener driving tool adapter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2942584A (en) * 1957-03-26 1960-06-28 Shell Oil Co Reversing valve for hydraulic reciprocating motor
US3062192A (en) * 1960-02-11 1962-11-06 Elox Corp Michigan Electro-hydraulic servo system
DE1203169B (en) * 1964-04-28 1965-10-14 Barmag Barmer Maschf Control and switching device for hydraulically driven traversing devices in spinning, winding and especially ring twisting machines
US3260212A (en) * 1965-02-05 1966-07-12 Carl N Johnson Self-powered variable fluid proportioner
US3561523A (en) * 1968-05-27 1971-02-09 Tibor Miklos Vertesi Mold level control system
GB1270797A (en) * 1968-09-30 1972-04-12 Lucas Industries Ltd Fluid operated servomechanism
US3669572A (en) * 1970-06-08 1972-06-13 William R King Constant flow pumping system

Also Published As

Publication number Publication date
IT1022246B (en) 1978-03-20
US3846049A (en) 1974-11-05
JPS5077905A (en) 1975-06-25
CA1027456A (en) 1978-03-07
DE2444844C3 (en) 1978-03-30
DE2444844B2 (en) 1977-08-04
JPS5547234B2 (en) 1980-11-28
DE2444844A1 (en) 1975-04-03
FR2244923A1 (en) 1975-04-18
GB1423646A (en) 1976-02-04

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Legal Events

Date Code Title Description
ST Notification of lapse