JPS5726029A - Dual system type braking pressure control valve - Google Patents

Dual system type braking pressure control valve

Info

Publication number
JPS5726029A
JPS5726029A JP9904480A JP9904480A JPS5726029A JP S5726029 A JPS5726029 A JP S5726029A JP 9904480 A JP9904480 A JP 9904480A JP 9904480 A JP9904480 A JP 9904480A JP S5726029 A JPS5726029 A JP S5726029A
Authority
JP
Japan
Prior art keywords
pressure
piston
plunger
failed
braking pressure
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.)
Pending
Application number
JP9904480A
Other languages
Japanese (ja)
Inventor
Teruhisa Kono
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP9904480A priority Critical patent/JPS5726029A/en
Publication of JPS5726029A publication Critical patent/JPS5726029A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To supplement insufficient braking pressure by selecting the cross-sectional areas of a plunger and a piston, and the resilient forces of springs to increase a break point of liquid pressure or to cease the control of proportional pressure reduction when one system is failed.
CONSTITUTION: A plunger 10, a follow piston 11 and an offset piston 12 are incorporated into a cylinder 2 of a valve body 1 provided with a first and a second valve mechanisms 5, 8. The cross-sectional areas A,C.B,D,E,F of the plunger 10, the follow piston 11, an offset piston 11 and a poppet valve 24, and the resilient forces S1, S2 of springs 15, 25 are respectively selected to predetermined values. When a first system is failed, input pressure PM2 of a second system increases, and output pressure PR2 thereof becomes a level having no control of proportional pressure reduction. Further, when the first system is failed, input pressure PM1 increases so that a break point of liquid pressure can be increased.
COPYRIGHT: (C)1982,JPO&Japio
JP9904480A 1980-07-18 1980-07-18 Dual system type braking pressure control valve Pending JPS5726029A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9904480A JPS5726029A (en) 1980-07-18 1980-07-18 Dual system type braking pressure control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9904480A JPS5726029A (en) 1980-07-18 1980-07-18 Dual system type braking pressure control valve

Publications (1)

Publication Number Publication Date
JPS5726029A true JPS5726029A (en) 1982-02-12

Family

ID=14236495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9904480A Pending JPS5726029A (en) 1980-07-18 1980-07-18 Dual system type braking pressure control valve

Country Status (1)

Country Link
JP (1) JPS5726029A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5784250A (en) * 1980-11-11 1982-05-26 Akebono Brake Ind Co Ltd Double pipe liquid pressure controller for vehicle
US4815292A (en) * 1987-06-29 1989-03-28 Allied-Signal Inc. Multi-part primary pressure-balanced proportioning valve with brake pressure failure switch
US4821519A (en) * 1987-06-29 1989-04-18 Allied-Signal Inc. Primary pressure-balanced proportioning valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5784250A (en) * 1980-11-11 1982-05-26 Akebono Brake Ind Co Ltd Double pipe liquid pressure controller for vehicle
US4815292A (en) * 1987-06-29 1989-03-28 Allied-Signal Inc. Multi-part primary pressure-balanced proportioning valve with brake pressure failure switch
US4821519A (en) * 1987-06-29 1989-04-18 Allied-Signal Inc. Primary pressure-balanced proportioning valve

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