CA2078349C - Two-stage valve - Google Patents

Two-stage valve

Info

Publication number
CA2078349C
CA2078349C CA002078349A CA2078349A CA2078349C CA 2078349 C CA2078349 C CA 2078349C CA 002078349 A CA002078349 A CA 002078349A CA 2078349 A CA2078349 A CA 2078349A CA 2078349 C CA2078349 C CA 2078349C
Authority
CA
Canada
Prior art keywords
valve
stage
pressure
relief channel
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
CA002078349A
Other languages
English (en)
French (fr)
Other versions
CA2078349A1 (en
Inventor
Dieter Gawlick
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.)
Deere and Co
Original Assignee
Deere and 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 and Co filed Critical Deere and Co
Publication of CA2078349A1 publication Critical patent/CA2078349A1/en
Application granted granted Critical
Publication of CA2078349C publication Critical patent/CA2078349C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/16—Master control, e.g. master cylinders
    • B60T11/224—Master control, e.g. master cylinders with pressure-varying means, e.g. with two stage operation provided by use of different piston diameters including continuous variation from one diameter to another

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Safety Valves (AREA)
  • Control Of Fluid Pressure (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Braking Systems And Boosters (AREA)
  • Braking Arrangements (AREA)
CA002078349A 1991-09-17 1992-09-16 Two-stage valve Expired - Fee Related CA2078349C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4130832A DE4130832C1 (enExample) 1991-09-17 1991-09-17
DEP4130832.8 1991-09-17

Publications (2)

Publication Number Publication Date
CA2078349A1 CA2078349A1 (en) 1993-03-18
CA2078349C true CA2078349C (en) 1995-10-17

Family

ID=6440760

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002078349A Expired - Fee Related CA2078349C (en) 1991-09-17 1992-09-16 Two-stage valve

Country Status (7)

Country Link
US (1) US5233835A (enExample)
EP (1) EP0533040B1 (enExample)
JP (1) JPH05193479A (enExample)
AT (1) ATE115924T1 (enExample)
BR (1) BR9203625A (enExample)
CA (1) CA2078349C (enExample)
DE (2) DE4130832C1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5456525A (en) * 1994-04-25 1995-10-10 Allied Signal Inc. Valve for traction control
US5778672A (en) * 1996-10-17 1998-07-14 Deere & Company Brake valve
DE19740029C2 (de) * 1997-09-11 1999-07-15 Stabilus Gmbh Aktives Stellsystem
AT408792B (de) * 1999-11-22 2002-03-25 Hoerbiger Hydraulik Hydraulische betätigungsanordnung
DE10034787A1 (de) * 2000-07-18 2002-01-31 Deere & Co Zweistufiges Ventil
US6370877B1 (en) * 2001-01-30 2002-04-16 Chang Hui Lin Brake handle device for hydraulic brake assembly
AT412112B (de) * 2002-09-30 2004-09-27 Hoerbiger Hydraulik Vorspannventil mit zumindest zwei schaltstufen sowie hydraulische betätigungsanordnung
ATE555342T1 (de) * 2009-05-29 2012-05-15 Danfoss As Ventilanordnung
CN112810591A (zh) * 2021-03-05 2021-05-18 江苏沃得农业机械股份有限公司 一种单路二级压力增压制动泵

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1216245A (en) * 1967-03-13 1970-12-16 Carlos And Jose Pares Ruiz De Improvements in pressure-fluid operated systems
US4072012A (en) * 1975-10-03 1978-02-07 Toyota Jidosha Kogyo Kabushiki Kaisha Dual-system master cylinder
JPS57172869A (en) * 1981-04-14 1982-10-23 Akebono Brake Ind Co Ltd Differential master cylinder
US4499729A (en) * 1983-06-02 1985-02-19 The Bendix Corporation Fast-fill master cylinder
DE3428136A1 (de) * 1984-07-31 1986-02-13 Alfred Teves Gmbh, 6000 Frankfurt Bremsdruckgeber fuer eine hydraulische kraftfahrzeugbremsanlage
US4738109A (en) * 1986-11-04 1988-04-19 Deere & Company Two stage brake control valve
DE3837650A1 (de) * 1988-11-05 1990-05-10 Deere & Co Ventil

Also Published As

Publication number Publication date
US5233835A (en) 1993-08-10
ATE115924T1 (de) 1995-01-15
CA2078349A1 (en) 1993-03-18
DE4130832C1 (enExample) 1993-05-13
EP0533040A1 (de) 1993-03-24
EP0533040B1 (de) 1994-12-21
BR9203625A (pt) 1993-04-13
DE59201016D1 (de) 1995-02-02
JPH05193479A (ja) 1993-08-03

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed