DE69102079D1 - Bremsventil mit Druckbegrenzungsfunktion. - Google Patents

Bremsventil mit Druckbegrenzungsfunktion.

Info

Publication number
DE69102079D1
DE69102079D1 DE69102079T DE69102079T DE69102079D1 DE 69102079 D1 DE69102079 D1 DE 69102079D1 DE 69102079 T DE69102079 T DE 69102079T DE 69102079 T DE69102079 T DE 69102079T DE 69102079 D1 DE69102079 D1 DE 69102079D1
Authority
DE
Germany
Prior art keywords
brake valve
pressure limiting
limiting function
function
brake
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
DE69102079T
Other languages
English (en)
Other versions
DE69102079T2 (de
Inventor
Kazunori Ogawa
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.)
Nabtesco Corp
Original Assignee
Teijin Seiki Co Ltd
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 Teijin Seiki Co Ltd filed Critical Teijin Seiki Co Ltd
Application granted granted Critical
Publication of DE69102079D1 publication Critical patent/DE69102079D1/de
Publication of DE69102079T2 publication Critical patent/DE69102079T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. 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
    • 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
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • F15B11/0445—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out" with counterbalance valves, e.g. to prevent overrunning or for braking
    • 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
    • F15B2211/30505—Non-return valves, i.e. 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
    • F15B2211/40—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
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
    • F15B2211/41536—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve being connected to multiple ports of an output member
    • 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
    • F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • 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
    • F15B2211/76—Control of force or torque of the output member
    • F15B2211/761—Control of a negative load, i.e. of a load generating hydraulic energy
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/8609—Control during or prevention of abnormal conditions the abnormal condition being cavitation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)
DE69102079T 1990-01-31 1991-01-25 Bremsventil mit Druckbegrenzungsfunktion. Expired - Fee Related DE69102079T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021608A JPH03229075A (ja) 1990-01-31 1990-01-31 リリーフ機能付きカウンターバランス弁

Publications (2)

Publication Number Publication Date
DE69102079D1 true DE69102079D1 (de) 1994-06-30
DE69102079T2 DE69102079T2 (de) 1995-01-12

Family

ID=12059752

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69102079T Expired - Fee Related DE69102079T2 (de) 1990-01-31 1991-01-25 Bremsventil mit Druckbegrenzungsfunktion.

Country Status (5)

Country Link
US (1) US5076143A (de)
EP (1) EP0440097B1 (de)
JP (1) JPH03229075A (de)
KR (1) KR910014637A (de)
DE (1) DE69102079T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3065108B2 (ja) * 1990-12-18 2000-07-12 帝人製機株式会社 カウンターバランス弁
US5579676A (en) * 1995-07-13 1996-12-03 Husco International, Inc. Hydraulic valve to maintain control in fluid-loss condition
US5715865A (en) * 1996-11-13 1998-02-10 Husco International, Inc. Pressure compensating hydraulic control valve system
US5878647A (en) * 1997-08-11 1999-03-09 Husco International Inc. Pilot solenoid control valve and hydraulic control system using same
US5890362A (en) * 1997-10-23 1999-04-06 Husco International, Inc. Hydraulic control valve system with non-shuttle pressure compensator
US5950429A (en) * 1997-12-17 1999-09-14 Husco International, Inc. Hydraulic control valve system with load sensing priority
US6539712B2 (en) * 1999-12-27 2003-04-01 Kayaba Kogyo Kabushiki Kaisha Hydraulic drive unit
US8683795B1 (en) * 2010-05-04 2014-04-01 The Boeing Company Control valve for a hydraulic refueling boom system
US8576543B2 (en) 2010-12-14 2013-11-05 Avx Corporation Solid electrolytic capacitor containing a poly(3,4-ethylenedioxythiophene) quaternary onium salt
US8493713B2 (en) 2010-12-14 2013-07-23 Avx Corporation Conductive coating for use in electrolytic capacitors
US8451588B2 (en) 2011-03-11 2013-05-28 Avx Corporation Solid electrolytic capacitor containing a conductive coating formed from a colloidal dispersion
US8971019B2 (en) 2012-03-16 2015-03-03 Avx Corporation Wet capacitor cathode containing an alkyl-substituted poly(3,4-ethylenedioxythiophene)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3386471A (en) * 1965-09-13 1968-06-04 Clark Equipment Co Flow control and cushioning valve
DE1929482A1 (de) * 1968-06-12 1970-01-02 Mcconnel F W Ltd Sperrventilanordnung fuer hydraulische Steueranlagen
US3943968A (en) * 1975-01-06 1976-03-16 Parker-Hannifin Corporation Combination lock and relief valve for hydraulic systems
JPS5444390A (en) * 1977-09-14 1979-04-07 Matsushita Electric Works Ltd Inhaler
JPS5916122B2 (ja) * 1978-09-07 1984-04-13 帝人製機株式会社 流体装置
EP0050656B1 (de) * 1980-05-01 1985-06-26 The Boeing Company Kombiniertes hydraulisches sperr- und überdruckventil
DE3048746A1 (de) * 1980-12-23 1982-07-22 Robert Bosch Gmbh, 7000 Stuttgart Hydraulikanlage
DE3225132C2 (de) * 1981-07-11 1995-08-17 Beringer Hydraulik Ag Neuheim Hydraulisches Sicherheitsbremsventil
US4466336A (en) * 1982-02-08 1984-08-21 Lakeland Hydraulics, Inc. Control valve for hydraulic motor apparatus
US4667570A (en) * 1984-12-21 1987-05-26 The Boeing Company Integral hydraulic blocking and relief valve

Also Published As

Publication number Publication date
EP0440097B1 (de) 1994-05-25
DE69102079T2 (de) 1995-01-12
EP0440097A1 (de) 1991-08-07
US5076143A (en) 1991-12-31
KR910014637A (ko) 1991-08-31
JPH03229075A (ja) 1991-10-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee