BR7700582A - Aperfeicoamento de aparelho de controle de luxo de fluido - Google Patents

Aperfeicoamento de aparelho de controle de luxo de fluido

Info

Publication number: BR7700582A
Authority: BR; Brazil
Prior art keywords: luxury; improvement; fluid; control unit; unit
Prior art date: 1976-03-04

Application number

BR7700582A

Other languages

English (en)

Inventor

R Goff

Original Assignee

Trw Inc

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.)

1976-03-04

Filing date

1977-01-31

Publication date

1977-10-04

1977-01-31 Application filed by Trw Inc filed Critical Trw Inc

1977-10-04 Publication of BR7700582A publication Critical patent/BR7700582A/pt

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
- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- 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
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
- F15B11/162—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for giving priority to particular servomotors or users
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
- 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
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
- 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
- F15B2211/40—Flow control
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow 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
- F15B2211/505—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
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means 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
- F15B2211/50—Pressure control
- F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief 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
- F15B2211/60—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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
- 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
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2514—Self-proportioning flow systems
- Y10T137/2521—Flow comparison or differential response
- Y10T137/2524—Flow dividers [e.g., reversely acting controls]

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
Mining & Mineral Resources (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Combustion & Propulsion (AREA)
Transportation (AREA)
Chemical & Material Sciences (AREA)
Power Steering Mechanism (AREA)
Fluid-Pressure Circuits (AREA)

BR7700582A 1976-03-04 1977-01-31 Aperfeicoamento de aparelho de controle de luxo de fluido BR7700582A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/663,768 US3996742A (en)	1976-03-04	1976-03-04	Fluid flow control apparatus

Publications (1)

Publication Number	Publication Date
BR7700582A true BR7700582A (pt)	1977-10-04

Family

ID=24663193

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR7700582A BR7700582A (pt)	1976-03-04	1977-01-31	Aperfeicoamento de aparelho de controle de luxo de fluido

Country Status (17)

Country	Link
US (1)	US3996742A (pt)
JP (1)	JPS52106529A (pt)
AT (1)	AT368963B (pt)
AU (1)	AU504247B2 (pt)
BE (1)	BE851399A (pt)
BR (1)	BR7700582A (pt)
CA (1)	CA1053534A (pt)
DE (1)	DE2704326C2 (pt)
DK (1)	DK154908C (pt)
ES (1)	ES455898A1 (pt)
FR (1)	FR2343146A1 (pt)
GB (1)	GB1567832A (pt)
IE (1)	IE45263B1 (pt)
IT (1)	IT1091559B (pt)
LU (1)	LU76721A1 (pt)
NL (1)	NL179156C (pt)
SE (1)	SE431313B (pt)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4070857A (en) *	1976-12-22	1978-01-31	Towmotor Corporation	Hydraulic priority circuit
US4240457A (en) *	1978-03-15	1980-12-23	Caterpillar Tractor Co.	Variable flow control valve for steering systems of articulated vehicles
JPS54141422A (en) *	1978-04-25	1979-11-02	Aisin Seiki	Diversion valve
US4241753A (en) *	1979-06-18	1980-12-30	The Bendix Corporation	Control valve for use with variable displacement piston pump
US4253382A (en) *	1979-09-07	1981-03-03	Eaton Corporation	Steering valve assembly for steering and brake system
US4534577A (en) *	1979-11-14	1985-08-13	Howard D U	Remotely adjustable steering compensator
US4410193A (en) *	1979-11-14	1983-10-18	Howard D U	Remotely adjustable compensator for centering steering systems
JPS5722967A (en) *	1980-07-16	1982-02-06	Tokai T R W Kk	Power steering system
DE3101904A1 (de) *	1981-01-22	1982-09-02	Alfred Teves Gmbh, 6000 Frankfurt	Druckregelventil
DE3107915C2 (de) *	1981-03-02	1985-12-05	Danfoss A/S, Nordborg	Hydraulische Steuereinrichtung, insbesondere Lenkeinrichtung
US4454716A (en) *	1982-02-03	1984-06-19	Trw Inc.	Load sense hydrostatic vehicle steering system
CA1193972A (en) *	1982-03-25	1985-09-24	Jim L. Rau	Fluid flow control apparatus
US4488569A (en) *	1982-04-23	1984-12-18	Trw Inc.	Apparatus with staged pressure differential for controlling fluid flow
JPS6053466A (ja) *	1983-09-02	1985-03-27	Kayaba Ind Co Ltd	油量制御装置
US4658584A (en) *	1984-03-07	1987-04-21	Nippondenso Co., Ltd.	Power steering system for vehicles
US4661398A (en) *	1984-04-25	1987-04-28	Delphic Research Laboratories, Inc.	Fire-barrier plywood
GB2158788B (en) *	1984-05-05	1988-01-27	Trw Cam Gears Ltd	Power assistance steering systems for vehicles
US5477675A (en) *	1989-02-17	1995-12-26	Nartron Corporation	Fluid power assist method and apparatus
US5065793A (en) *	1990-04-23	1991-11-19	Eaton Corporation	Fluid controller with load sensing priority flow control capability
US5129424A (en) *	1990-04-23	1992-07-14	Eaton Corporation	Fluid controller with integral auxiliary valving
DE4237932C2 (de) *	1992-11-10	1997-12-11	Hydraulik Ring Gmbh	Volumenstromsteuerung für Kraftfahrzeughydraulik, insbesondere für Lenkeinrichtungen von Kraftfahrzeugen
US7036625B2 (en) *	2002-11-08	2006-05-02	Nmhg Oregon, Inc.	Integrated hydraulic control system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB589095A (en) *	1945-02-12	1947-06-11	Automotive Prod Co Ltd	Improvements in or relating to valve devices for fluid pressure supply systems
US2737196A (en) *	1952-06-04	1956-03-06	Eaton Mfg Co	Flow divider valve
US2892311A (en) *	1958-01-08	1959-06-30	Deere & Co	Hydraulic apparatus
US2892312A (en) *	1958-01-27	1959-06-30	Deere & Co	Demand compensated hydraulic system
US3165113A (en) *	1962-11-19	1965-01-12	Bendix Corp	Combined flow divider and pressure regulator
US3446021A (en) *	1967-06-14	1969-05-27	Int Harvester Co	Power steering unit with poppet directional control valves
US3703186A (en) *	1971-08-12	1972-11-21	Gen Motors Corp	Flow divider control valve assembly
DE2208842C2 (de) *	1972-02-25	1983-09-01	Robert Bosch Gmbh, 7000 Stuttgart	Antrieb einer Lenkeinrichtung und mehrerer Zubehörgeräte für Fahrzeuge durch ein hydrostatisches Getriebe
GB1519063A (en) *	1974-11-06	1978-07-26	Trw Inc	Vehicle steering system

1976
- 1976-03-04 US US05/663,768 patent/US3996742A/en not_active Expired - Lifetime
1977
- 1977-01-13 GB GB1400/77A patent/GB1567832A/en not_active Expired
- 1977-01-14 IE IE72/77A patent/IE45263B1/en unknown
- 1977-01-18 DK DK18477A patent/DK154908C/da not_active IP Right Cessation
- 1977-01-18 SE SE7700473A patent/SE431313B/xx not_active IP Right Cessation
- 1977-01-19 AU AU21454/77A patent/AU504247B2/en not_active Expired
- 1977-01-26 CA CA270,525A patent/CA1053534A/en not_active Expired
- 1977-01-26 AT AT44977A patent/AT368963B/de not_active IP Right Cessation
- 1977-01-27 IT IT1968377A patent/IT1091559B/it active
- 1977-01-31 BR BR7700582A patent/BR7700582A/pt unknown
- 1977-02-02 DE DE2704326A patent/DE2704326C2/de not_active Expired
- 1977-02-08 LU LU76721A patent/LU76721A1/xx unknown
- 1977-02-14 ES ES455898A patent/ES455898A1/es not_active Expired
- 1977-02-14 FR FR7704105A patent/FR2343146A1/fr active Granted
- 1977-02-14 BE BE174911A patent/BE851399A/xx not_active IP Right Cessation
- 1977-02-16 NL NL7701659A patent/NL179156C/xx not_active IP Right Cessation
- 1977-03-04 JP JP2373477A patent/JPS52106529A/ja active Granted

Also Published As

Publication number	Publication date
AT368963B (de)	1982-11-25
DK18477A (da)	1977-09-05
FR2343146A1 (fr)	1977-09-30
IT1091559B (it)	1985-07-06
IE45263B1 (en)	1982-07-28
JPS6141784B2 (pt)	1986-09-17
DK154908C (da)	1989-05-22
BE851399A (fr)	1977-05-31
DE2704326C2 (de)	1987-01-15
GB1567832A (en)	1980-05-21
SE431313B (sv)	1984-01-30
US3996742A (en)	1976-12-14
CA1053534A (en)	1979-05-01
SE7700473L (sv)	1977-09-05
LU76721A1 (pt)	1977-06-30
ES455898A1 (es)	1978-06-01
JPS52106529A (en)	1977-09-07
DK154908B (da)	1989-01-02
NL7701659A (nl)	1977-09-06
FR2343146B1 (pt)	1983-08-26
DE2704326A1 (de)	1977-09-08
AU2145477A (en)	1978-07-27
ATA44977A (de)	1982-04-15
NL179156B (nl)	1986-02-17
NL179156C (nl)	1986-07-16
IE45263L (en)	1977-09-04
AU504247B2 (en)	1979-10-04

Publication	Publication Date	Title
BR7700582A (pt)	1977-10-04	Aperfeicoamento de aparelho de controle de luxo de fluido
BR7707506A (pt)	1978-06-20	Aparelho de controle de regime de fluxo de fluido
AR212470A1 (es)	1978-07-14	Dispositivo de control de fluido
BR7707828A (pt)	1978-08-22	Sistema de controle de fluido para elementos de trabalho com varios circuitos
IT1086139B (it)	1985-05-28	Valvole di controllo di fluido
BR7705007A (pt)	1978-06-06	Detector automatico de fluido
BR7706735A (pt)	1978-07-11	Regulador de escoamento
BR7707334A (pt)	1979-06-05	Conduto de fluido e estrutura de tenaz preguicosa
BR8207766A (pt)	1983-05-31	Dispositivo de controle de fluxo de fluido
BR8008284A (pt)	1981-08-04	Dispositivo de controle de fluxo de fluido
BR7708353A (pt)	1978-08-29	Valvula de controle de fluxo
BR7604106A (pt)	1977-07-26	Valvula de fluido
BR7701356A (pt)	1977-12-20	Sistema de fluido de um veiculo de trabalho
BR7803190A (pt)	1979-01-02	Valvula de controle de meios fluidos
BR7703460A (pt)	1978-06-06	Composicao de fluido hidraulico
IT1149932B (it)	1986-12-10	Codificatore per il controllo di spostamenti bidirezionali
IT1106577B (it)	1985-11-11	Dispositivo di controllo di fluido
SE7614084L (sv)	1977-07-04	Fluidumregleringssystem
AR216664A1 (es)	1980-01-15	Aparato de medicion de la concentracion de un fluido
BR7704227A (pt)	1978-03-28	Regulador de fluido rotativo
BR7708651A (pt)	1979-07-17	Valvula de fluido
BR7807791A (pt)	1979-07-31	Conjunto de valvula de controle
IT1085851B (it)	1985-05-28	Sitema di controllo di flusso di fluido
BE867713Q (fr)	1978-12-01	Element de construction
BR7606030A (pt)	1978-04-11	Bomba de fluido