DE69820809D1 - Strömungssteuereinrichtung für Servolenkung - Google Patents

Strömungssteuereinrichtung für Servolenkung

Info

Publication number
DE69820809D1
DE69820809D1 DE69820809T DE69820809T DE69820809D1 DE 69820809 D1 DE69820809 D1 DE 69820809D1 DE 69820809 T DE69820809 T DE 69820809T DE 69820809 T DE69820809 T DE 69820809T DE 69820809 D1 DE69820809 D1 DE 69820809D1
Authority
DE
Germany
Prior art keywords
control device
flow control
power steering
steering
power
Prior art date
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 - Fee Related
Application number
DE69820809T
Other languages
English (en)
Other versions
DE69820809T2 (de
Inventor
Kazuhiro Watanabe
Takashi Imanishi
Susumu Honaga
Yoshiharu Inaguma
Hidetoshi Fujiwara
Hideya Kato
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.)
Toyoda Koki KK
Original Assignee
Toyoda Koki KK
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
Priority claimed from JP26954197A external-priority patent/JP3543570B2/ja
Application filed by Toyoda Koki KK filed Critical Toyoda Koki KK
Publication of DE69820809D1 publication Critical patent/DE69820809D1/de
Application granted granted Critical
Publication of DE69820809T2 publication Critical patent/DE69820809T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
    • 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
    • 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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
    • 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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
    • F15B11/0423—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in" by controlling pump output or bypass, other than to maintain constant speed
    • 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
    • F15B2013/008—Throttling member profiles
    • 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
    • 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
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40553—Flow control characterised by the type of flow control means or valve with pressure compensating valves
    • F15B2211/40561—Flow control characterised by the type of flow control means or valve with pressure compensating valves the pressure compensating valve arranged upstream of the flow control means
    • 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
    • F15B2211/40—Flow control
    • F15B2211/455—Control of flow in the feed line, i.e. meter-in control
    • 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
    • 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
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2579—Flow rate responsive
    • Y10T137/2582—Including controlling main line flow
    • Y10T137/2584—Relief or bypass closes as main opens
    • 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
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2579—Flow rate responsive
    • Y10T137/2589—Pilot valve operated
    • 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
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2622—Bypass or relief valve responsive to pressure downstream of outlet valve
    • Y10T137/2625—Pilot valve
    • 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
    • Y10T137/794—With means for separating solid material from the fluid
    • Y10T137/8085—Hollow strainer, fluid inlet and outlet perpendicular to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Steering Mechanism (AREA)
DE1998620809 1997-04-09 1998-04-09 Strömungssteuereinrichtung für Servolenkung Expired - Fee Related DE69820809T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP9102897 1997-04-09
JP9102897 1997-04-09
JP26625097 1997-09-30
JP26625097 1997-09-30
JP26954197A JP3543570B2 (ja) 1997-04-09 1997-10-02 動力舵取装置における流量制御装置
JP26954197 1997-10-02

Publications (2)

Publication Number Publication Date
DE69820809D1 true DE69820809D1 (de) 2004-02-05
DE69820809T2 DE69820809T2 (de) 2004-11-04

Family

ID=27306627

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998620809 Expired - Fee Related DE69820809T2 (de) 1997-04-09 1998-04-09 Strömungssteuereinrichtung für Servolenkung

Country Status (3)

Country Link
US (1) US6041807A (de)
EP (1) EP0872404B1 (de)
DE (1) DE69820809T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2817936B1 (fr) * 2000-12-07 2003-05-16 Soc Mecanique Irigny Dispositif d'amortissement de remontees de vibrations dans un circuit hydraulique
JP4487600B2 (ja) * 2004-03-05 2010-06-23 株式会社ジェイテクト 流量制御装置
US7243679B2 (en) * 2004-12-20 2007-07-17 Flair Corporation Adsorbent fractionator directional flow control valve assembly apparatus and method
EP1746317A1 (de) * 2005-07-22 2007-01-24 Arrow Line S.R.L. Selbstschließendes Ventil mit justierbarer Aktivierung
ES2422630T3 (es) 2005-12-21 2013-09-12 Volvo Trucks North America Sistema mejorado de dirección asistida con una bomba eléctrica auxiliar
WO2007127949A2 (en) 2006-04-27 2007-11-08 Sko Flo Industries, Inc. Flow control valve
EP2021744A4 (de) * 2006-04-28 2015-09-02 Sko Flo Ind Inc Strömungsmesser
US7766040B2 (en) * 2007-03-13 2010-08-03 Eaton Corporation Pressure control valve assembly
CN102007331B (zh) 2008-04-28 2014-11-05 博格华纳公司 用于螺线管的液压路径安排的包覆模制或压入式套管
US9506785B2 (en) 2013-03-15 2016-11-29 Rain Bird Corporation Remote flow rate measuring
WO2018013857A1 (en) 2016-07-13 2018-01-18 Rain Bird Corporation Flow sensor
US10473494B2 (en) 2017-10-24 2019-11-12 Rain Bird Corporation Flow sensor
US11662242B2 (en) 2018-12-31 2023-05-30 Rain Bird Corporation Flow sensor gauge

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2331704A1 (de) * 1973-06-21 1975-01-23 Bendix Gmbh Kombiniertes regelventil zur mengenund drucksteuerung
US4182354A (en) * 1978-05-02 1980-01-08 U.S. ParaPlate Corporation Method and apparatus for flow diversion in a high pressure fluid delivery system
JPS5620792A (en) * 1979-07-26 1981-02-26 Toyoda Mach Works Ltd Pump device for power steering
JP2666808B2 (ja) * 1988-06-27 1997-10-22 豊田工機株式会社 動力舵取用作動流体の流量制御装置
US5409032A (en) * 1989-01-17 1995-04-25 Shop Vac Corporation Pressure washer bypass valve
JP2522121Y2 (ja) * 1990-03-29 1997-01-08 自動車機器株式会社 流量制御弁装置
JP3218788B2 (ja) * 1993-03-29 2001-10-15 豊田工機株式会社 パワーステアリング装置
DE59405336D1 (de) * 1993-05-28 1998-04-09 Luk Fahrzeug Hydraulik Ventilanordnung
JPH08192758A (ja) * 1995-01-19 1996-07-30 Kayaba Ind Co Ltd パワーステアリング装置
JP3571109B2 (ja) * 1995-04-17 2004-09-29 カヤバ工業株式会社 パワーステアリング装置
JP3355866B2 (ja) * 1995-05-23 2002-12-09 豊田工機株式会社 動力舵取装置
JP3659702B2 (ja) * 1995-07-27 2005-06-15 カヤバ工業株式会社 パワーステアリング装置
JPH09142319A (ja) * 1995-11-24 1997-06-03 Toyoda Mach Works Ltd 動力舵取装置における流量制御装置

Also Published As

Publication number Publication date
US6041807A (en) 2000-03-28
EP0872404A3 (de) 2001-03-21
EP0872404A2 (de) 1998-10-21
DE69820809T2 (de) 2004-11-04
EP0872404B1 (de) 2004-01-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee