AR224360A1 - Una disposicion hidraulica - Google Patents

Una disposicion hidraulica

Info

Publication number
AR224360A1
AR224360A1 AR275934A AR27593479A AR224360A1 AR 224360 A1 AR224360 A1 AR 224360A1 AR 275934 A AR275934 A AR 275934A AR 27593479 A AR27593479 A AR 27593479A AR 224360 A1 AR224360 A1 AR 224360A1
Authority
AR
Argentina
Prior art keywords
disposal
hydraulic
hydraulic disposal
Prior art date
Application number
AR275934A
Other languages
English (en)
Original Assignee
Deere & 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 Deere & Co filed Critical Deere & Co
Application granted granted Critical
Publication of AR224360A1 publication Critical patent/AR224360A1/es

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38Control of exclusively fluid gearing
    • F16H61/40Control of exclusively fluid gearing hydrostatic
    • F16H61/4078Fluid exchange between hydrostatic circuits and external sources or consumers
    • F16H61/4139Replenishing or scavenging pumps, e.g. auxiliary charge pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, 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
    • F04B49/007Installations 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, 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
    • F04B49/02Stopping, starting, unloading or idling control
    • F04B49/022Stopping, starting, unloading or idling control by means of pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, 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
    • F04B49/10Other safety measures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30505Non-return valves, i.e. check valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/515Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5151Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve
    • F15B2211/5152Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve being connected to multiple pressure sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/61Secondary circuits
    • F15B2211/613Feeding circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/615Filtering means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71Multiple output members, e.g. multiple hydraulic motors or cylinders
AR275934A 1978-03-24 1979-03-23 Una disposicion hidraulica AR224360A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/889,650 US4170113A (en) 1978-03-24 1978-03-24 Hydraulic system with unloading valve assembly

Publications (1)

Publication Number Publication Date
AR224360A1 true AR224360A1 (es) 1981-11-30

Family

ID=25395512

Family Applications (1)

Application Number Title Priority Date Filing Date
AR275934A AR224360A1 (es) 1978-03-24 1979-03-23 Una disposicion hidraulica

Country Status (12)

Country Link
US (1) US4170113A (es)
JP (1) JPS54130770A (es)
AR (1) AR224360A1 (es)
AU (1) AU520161B2 (es)
CA (1) CA1096750A (es)
DE (1) DE2910623C2 (es)
ES (1) ES478901A1 (es)
FR (1) FR2420676A1 (es)
GB (1) GB2017225B (es)
IT (1) IT1115072B (es)
MX (1) MX150437A (es)
YU (1) YU69279A (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209984A (en) * 1978-10-23 1980-07-01 Deere & Company Hydraulic system with unloading valve assembly
US4660649A (en) * 1981-03-03 1987-04-28 Anderson Jack F Rotary tiller tool apparatus with vertical lift force variable in direct proportion to pressure to rotate tiller tool
EP0140046B1 (de) * 1983-09-15 1987-04-01 ZF FRIEDRICHSHAFEN Aktiengesellschaft Hydrostatisch-mechanische Getriebeanordnung
JPH0221008A (ja) * 1988-07-06 1990-01-24 Kubota Ltd 油圧回路
DE9314760U1 (de) * 1993-09-30 1993-11-25 Fluidtech Gmbh Anlaufschaltung
US5615553A (en) * 1995-06-28 1997-04-01 Case Corporation Hydraulic circuit with load sensing feature
WO2001009513A1 (en) * 1999-07-30 2001-02-08 Crs Services, Inc. Hydraulic pump manifold
FR2841323B1 (fr) * 2002-06-21 2004-08-27 Cybernetix Appareil de propulsion d'un objet dans un conduit immerge
US7690616B2 (en) 2005-05-26 2010-04-06 Hoffman Enclosures, Inc. Mounting system for enclosure
AU2006308808B2 (en) * 2005-11-04 2013-09-19 Mark Andrew Fogarty Pressure release valve, system and method of use

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144557B (de) * 1958-12-19 1963-02-28 Metallwerk Glockerau G M B H Spueleinrichtung mit Speisedruckeinrichtung fuer umsteuerbare hydrostatische Fluessigkeitsgetriebe
FR1402770A (fr) * 1964-08-06 1965-06-11 Lucas Industries Ltd Mécanisme de commande hydraulique
US3520322A (en) * 1965-08-30 1970-07-14 Ford Motor Co Fluid pressure control system
US3973398A (en) * 1975-09-12 1976-08-10 Deere & Company Hydraulic system and automatically shiftable direction control valve therefor

Also Published As

Publication number Publication date
US4170113A (en) 1979-10-09
FR2420676B1 (es) 1981-10-09
CA1096750A (en) 1981-03-03
GB2017225A (en) 1979-10-03
IT7948466A0 (it) 1979-03-23
MX150437A (es) 1984-05-08
ES478901A1 (es) 1979-08-01
AU4507479A (en) 1979-09-27
YU69279A (en) 1983-10-31
DE2910623C2 (de) 1983-03-31
AU520161B2 (en) 1982-01-14
IT1115072B (it) 1986-02-03
GB2017225B (en) 1982-04-15
FR2420676A1 (fr) 1979-10-19
JPS54130770A (en) 1979-10-11
DE2910623A1 (de) 1979-09-27

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