NL175941B - Hydraulische voorrangstuurinrichting voor twee vloeistofmotoren. - Google Patents

Hydraulische voorrangstuurinrichting voor twee vloeistofmotoren.

Info

Publication number: NL175941B
Authority: NL; Netherlands
Prior art keywords: fluid engines; priority steering; hydraulic priority; hydraulic; steering
Prior art date: 1972-07-13

Application number

NLAANVRAGE7309724,A

Other languages

English (en)

Dutch (nl)

Other versions

NL7309724A (xx

Original Assignee

Rexroth 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.)

1972-07-13

Filing date

1973-07-12

Publication date

1984-08-16

1973-07-12 Application filed by Rexroth Corp filed Critical Rexroth Corp

1974-01-15 Publication of NL7309724A publication Critical patent/NL7309724A/xx

1984-08-16 Publication of NL175941B publication Critical patent/NL175941B/xx

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/022—Flow-dividers; Priority valves
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
- F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
- F15B2211/3053—In combination with a pressure compensating valve
- F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and directional control valve
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50536—Pressure 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
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5157—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a return line
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
- F15B2211/6052—Load sensing circuits having valve means between output member and the load sensing circuit using check valves
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
- F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle valves
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
- F15B2211/6055—Load sensing circuits having valve means between output member and the load sensing circuit using pressure relief valves
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/78—Control of multiple output members
- F15B2211/781—Control of multiple output members one or more output members having priority

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Fluid-Pressure Circuits (AREA)
Operation Control Of Excavators (AREA)

NLAANVRAGE7309724,A 1972-07-13 1973-07-12 Hydraulische voorrangstuurinrichting voor twee vloeistofmotoren. NL175941B (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US27130472A	1972-07-13	1972-07-13

Publications (2)

Publication Number	Publication Date
NL7309724A NL7309724A (xx)	1974-01-15
NL175941B true NL175941B (nl)	1984-08-16

Family

ID=23035019

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7309724,A NL175941B (nl)	1972-07-13	1973-07-12	Hydraulische voorrangstuurinrichting voor twee vloeistofmotoren.

Country Status (12)

Country	Link
US (1)	US3768372A (xx)
JP (1)	JPS5642764B2 (xx)
BE (1)	BE802106A (xx)
BR (1)	BR7305241D0 (xx)
CA (1)	CA981147A (xx)
DE (1)	DE2335704C2 (xx)
FR (1)	FR2193157B1 (xx)
GB (1)	GB1404562A (xx)
IT (1)	IT991257B (xx)
NL (1)	NL175941B (xx)
SE (1)	SE398538B (xx)
ZA (1)	ZA734474B (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3942413A (en) *	1974-08-01	1976-03-09	Borg-Warner Corporation	Load limiting system
US4199005A (en) *	1976-08-20	1980-04-22	Tadeusz Budzich	Load responsive control valve
US4157736A (en) *	1978-01-11	1979-06-12	Carbert Ralph E	Overload protection apparatus for hydraulic multi-function equipment
US4222409A (en) *	1978-10-06	1980-09-16	Tadeusz Budzich	Load responsive fluid control valve
JPS5620803A (en) *	1979-07-27	1981-02-26	Daikin Ind Ltd	Hydraulic circuit
WO1981001595A1 (en) *	1979-11-29	1981-06-11	J Harmon	Flow metering valve with operator selectable boosted flow
US4282898A (en) *	1979-11-29	1981-08-11	Caterpillar Tractor Co.	Flow metering valve with operator selectable boosted flow
JPS5697023A (en) *	1980-01-07	1981-08-05	Komatsu Ltd	Semiautomatic oil pressure excavator
JPS57116917A (en) *	1981-01-13	1982-07-21	Toshiba Mach Co Ltd	Compound control valve with valve for attachment
US4437307A (en) *	1982-03-11	1984-03-20	Caterpillar Tractor Company	Priority flow control system
JPS58181376A (ja) *	1982-04-16	1983-10-24	Hitachi Ltd	電子カメラ用記録ヘツド
US4693272A (en) *	1984-02-13	1987-09-15	Husco International, Inc.	Post pressure compensated unitary hydraulic valve
DE3421502C2 (de) *	1984-06-08	1986-11-20	Mannesmann Rexroth GmbH, 8770 Lohr	Hydraulische Vorrangsteuereinrichtung für mindestens zwei Servomotoren
DE4241846C2 (de) *	1992-12-11	1996-09-26	Danfoss As	Hydraulisches System
KR100226281B1 (ko) *	1994-09-30	1999-10-15	토니헬샴	가변우선장치
KR100348128B1 (ko) *	1994-09-30	2002-11-22	볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비	가변우선기능을갖는콘트롤밸브
JPH08100446A (ja) *	1994-09-30	1996-04-16	Samsung Heavy Ind Co Ltd	重装備用の可変優先装置
DE102005060124B4 (de) *	2005-12-16	2011-05-05	Jost-Werke Gmbh	Verschiebevorrichtung für eine auf einem Zugfahrzeug angeordnete Sattelkupplung
JP5485007B2 (ja) *	2010-05-07	2014-05-07	日立建機株式会社	作業車両の油圧制御装置
JP5758348B2 (ja) *	2012-06-15	2015-08-05	住友建機株式会社	建設機械の油圧回路
US9725882B2 (en) *	2013-01-24	2017-08-08	Volvo Construction Equipment Ab	Device and method for controlling flow rate in construction machinery
US20160130787A1 (en) *	2013-06-14	2016-05-12	Volvo Construction Equipment Ab	Flow rate control valve for construction machine
EP2891806A1 (en) *	2014-01-03	2015-07-08	Danfoss Power Solutions Aps	A hydraulic valve arrangement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2737196A (en) *	1952-06-04	1956-03-06	Eaton Mfg Co	Flow divider valve
DE1060681B (de) *	1956-02-02	1959-07-02	Hobourn Eaton Mfg Company Ltd	Selbsttaetiges Steuerventil
US2892311A (en) *	1958-01-08	1959-06-30	Deere & Co	Hydraulic apparatus
US3179120A (en) *	1963-05-24	1965-04-20	Koehring Co	Proportional flow divider
US3465519A (en) *	1967-08-18	1969-09-09	Webster Electric Co Inc	Hydraulic flow controlling apparatus
US3550505A (en) *	1969-05-07	1970-12-29	Gen Signal Corp	Hydraulic system including two work circuits
US3631890A (en) *	1970-04-06	1972-01-04	Borg Warner	Flow extending bypass valve

1972
- 1972-07-13 US US00271304A patent/US3768372A/en not_active Expired - Lifetime
1973
- 1973-07-02 GB GB3132573A patent/GB1404562A/en not_active Expired
- 1973-07-03 ZA ZA00734474A patent/ZA734474B/xx unknown
- 1973-07-09 FR FR7325082A patent/FR2193157B1/fr not_active Expired
- 1973-07-09 BE BE133286A patent/BE802106A/xx not_active IP Right Cessation
- 1973-07-10 SE SE7309688A patent/SE398538B/xx unknown
- 1973-07-12 IT IT26534/73A patent/IT991257B/it active
- 1973-07-12 JP JP7800973A patent/JPS5642764B2/ja not_active Expired
- 1973-07-12 NL NLAANVRAGE7309724,A patent/NL175941B/xx not_active IP Right Cessation
- 1973-07-12 CA CA176,343A patent/CA981147A/en not_active Expired
- 1973-07-13 BR BR5241/73A patent/BR7305241D0/pt unknown
- 1973-07-13 DE DE2335704A patent/DE2335704C2/de not_active Expired

Also Published As

Publication number	Publication date
GB1404562A (en)	1975-09-03
CA981147A (en)	1976-01-06
JPS4944180A (xx)	1974-04-25
FR2193157B1 (xx)	1976-09-17
BE802106A (fr)	1973-11-05
BR7305241D0 (pt)	1974-08-15
IT991257B (it)	1975-07-30
ZA734474B (en)	1975-01-29
SE398538B (sv)	1977-12-27
JPS5642764B2 (xx)	1981-10-07
DE2335704A1 (de)	1974-01-24
FR2193157A1 (xx)	1974-02-15
AU5774773A (en)	1975-01-09
DE2335704C2 (de)	1984-04-26
NL7309724A (xx)	1974-01-15
US3768372A (en)	1973-10-30

Legal Events

Date	Code	Title	Description
1979-12-10	CNR	Transfer of rights (patent application after its laying open for public inspection)	Free format text: REXROTH CORPORATION
1980-04-25	BA	A request for search or an international-type search has been filed
1981-12-01	BB	A search report has been drawn up
1982-05-03	BC	A request for examination has been filed
1987-03-16	V1	Lapsed because of non-payment of the annual fee

Publication	Publication Date	Title
NL175941B (nl)	1984-08-16	Hydraulische voorrangstuurinrichting voor twee vloeistofmotoren.
NO137462C (no)	1978-03-01	Roerforbindelse.
DK135868B (da)	1977-07-04	Impulsdæmperaggregat til hydrauliske systemer.
SE403175B (sv)	1978-07-31	Hydraulisk kolv-cylindermotor
SE390429B (sv)	1976-12-20	Hydraulsystem
NO137794C (no)	1978-04-26	Roerkopling.
NL168305C (nl)	1982-03-16	Hydraulische stuurinrichting voor een met drukvloeistof werkende motor.
DK136239B (da)	1977-09-12	Styretøj.
CH551849A (de)	1974-07-31	Hydraulischer hammer.
AR197895A1 (es)	1974-05-15	Sistema hidraulico de presion variable
NL7501313A (nl)	1975-08-13	Hydraulisch vloeistofsysteem.
NL161261C (nl)	1980-01-15	Servostelsel.
BE801504A (nl)	1973-10-15	Hydraulisch hefsysteem voor trekkers
NL7414880A (nl)	1975-08-26	Filtermat voor waterbouw.
DK139422B (da)	1979-02-19	Fluidumpåføringsredskab.
IT979916B (it)	1974-09-30	Sterzo con forza ausiliaria idraulica
NL161578C (nl)	1980-02-15	Hydraulische beproevingsinrichting voor pijpen.
NO140354C (no)	1979-08-15	Hydraulisk maskin.
NL172907C (nl)	1983-11-01	Stelsel voor afstemming.
BR7402619D0 (pt)	1974-10-29	Dispositivo de direcao hidraulica
NL159751B (nl)	1979-03-15	Hydraulische spanvijzel.
NL174515C (nl)	1984-06-18	Stelsel voor afstemming.
CH550332A (de)	1974-06-14	Hydraulisches schaltventil.
CH549163A (de)	1974-05-15	Hydraulischer verstaerker.
SE399305B (sv)	1978-02-06	Hydrauliskt styrsystem