JPS57194148A - Master cylinder - Google Patents

Master cylinder

Info

Publication number
JPS57194148A
JPS57194148A JP7856681A JP7856681A JPS57194148A JP S57194148 A JPS57194148 A JP S57194148A JP 7856681 A JP7856681 A JP 7856681A JP 7856681 A JP7856681 A JP 7856681A JP S57194148 A JPS57194148 A JP S57194148A
Authority
JP
Japan
Prior art keywords
valve
supply chamber
inlet port
valve seat
seat
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.)
Granted
Application number
JP7856681A
Other languages
Japanese (ja)
Other versions
JPS599384B2 (en
Inventor
Hitoshi Kubota
Tadao Takimoto
Toshiyuki Takahashi
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.)
Nabco Ltd
Nissan Motor Co Ltd
Original Assignee
Nabco Ltd
Nissan Motor 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 Nabco Ltd, Nissan Motor Co Ltd filed Critical Nabco Ltd
Priority to JP56078566A priority Critical patent/JPS599384B2/en
Publication of JPS57194148A publication Critical patent/JPS57194148A/en
Publication of JPS599384B2 publication Critical patent/JPS599384B2/en
Expired 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)
  • Safety Valves (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)

Abstract

PURPOSE:To prevent the throttle path from its deformation in such a way that a moving valve member of a differential valve which is installed on the path between a reservoir and a supply chamber is formed by means of harder material than a seat valve, and a throttle path is formed on the valve member. CONSTITUTION:A liquid outlet port 2b which responds to a reservoir tank 2 is inserted through a grommet 30 to a working liquid inlet port 28 which is formed on the cylinder body 1, and communicated to a supply chamber 10. A valve device 31 is installed in the inlet port 28, and the valve device 31 is assembled by a differential valve 32 and a check valve 33 for the supply chamber 10. Besides, a valve seat member 34 is installed in the inlet port 28, and a valve hole 34a and plural penetrating holes 34b are formed on the valve seat member 34. a conic valve seat 34c is formed at the upper part of the valve hole 34a, and a moving valve member 36 is pressed on the valve seat 34c. The moving valve member 36 is made of harder material than the valve seat member 34, its lower end part is formed quasi-spherically, and plural grooves 36b are formed.
JP56078566A 1981-05-26 1981-05-26 master cylinder Expired JPS599384B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56078566A JPS599384B2 (en) 1981-05-26 1981-05-26 master cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56078566A JPS599384B2 (en) 1981-05-26 1981-05-26 master cylinder

Publications (2)

Publication Number Publication Date
JPS57194148A true JPS57194148A (en) 1982-11-29
JPS599384B2 JPS599384B2 (en) 1984-03-02

Family

ID=13665439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56078566A Expired JPS599384B2 (en) 1981-05-26 1981-05-26 master cylinder

Country Status (1)

Country Link
JP (1) JPS599384B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6078854A (en) * 1983-10-06 1985-05-04 Nissin Kogyo Kk Quick charging type master cylinder
US4667466A (en) * 1984-01-09 1987-05-26 Nissin Kogyo Kabushiki Kaisha Quick fill type master cylinder
US4773222A (en) * 1984-05-18 1988-09-27 Nippon Air Brake Co., Ltd. Pneumatic brake booster with booster-cylinder-end retained relay valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6078854A (en) * 1983-10-06 1985-05-04 Nissin Kogyo Kk Quick charging type master cylinder
JPH0129750B2 (en) * 1983-10-06 1989-06-13 Nisshin Kogyo Kk
US4667466A (en) * 1984-01-09 1987-05-26 Nissin Kogyo Kabushiki Kaisha Quick fill type master cylinder
US4773222A (en) * 1984-05-18 1988-09-27 Nippon Air Brake Co., Ltd. Pneumatic brake booster with booster-cylinder-end retained relay valve

Also Published As

Publication number Publication date
JPS599384B2 (en) 1984-03-02

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