JPS55119548A - Liquid pressure control valve - Google Patents
Liquid pressure control valveInfo
- Publication number
- JPS55119548A JPS55119548A JP2672979A JP2672979A JPS55119548A JP S55119548 A JPS55119548 A JP S55119548A JP 2672979 A JP2672979 A JP 2672979A JP 2672979 A JP2672979 A JP 2672979A JP S55119548 A JPS55119548 A JP S55119548A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure
- liquid pressure
- increase
- 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.)
- Pending
Links
Landscapes
- Hydraulic Control Valves For Brake Systems (AREA)
Abstract
PURPOSE: To prevent insufficient brake force due to the fault of front wheel brake, by fixing the relative position when the pistons of P valve (Proportioning valve) and G valve (Reduction sensing valve) approached each other more than predetermined level, thereby performing ideal brake force distribution from empty to max. loading.
CONSTITUTION: At first stage of braking, the master cylinder pressure is supplied through port 29, valve 10 and port 8 to rear wheel cylinder. When the liquid pressure increases to reach the critical pressure, valve 10 closes temporalily thereafter opens again to increase the brake pressure, but it is lower than initial one. When the speed reduction or the ratio between the braking force and the car weight reaches to certain level, the ball 28 moves to the left by the inertia thus to choke the valve sheet 30, and the liquid pressure of chamber 14 applying on the piston 13 is fixed to the pressure at that time. Since said pressure increases proportionally with the car weight, the piston 13 moves to the right against the springs 23, 24, 25 thus to increase the pushing force of plunger 13. Consequently the critical liquid pressure of valve 10 increases with the increase of car weight.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2672979A JPS55119548A (en) | 1979-03-09 | 1979-03-09 | Liquid pressure control valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2672979A JPS55119548A (en) | 1979-03-09 | 1979-03-09 | Liquid pressure control valve |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55119548A true JPS55119548A (en) | 1980-09-13 |
Family
ID=12201398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2672979A Pending JPS55119548A (en) | 1979-03-09 | 1979-03-09 | Liquid pressure control valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55119548A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57126752A (en) * | 1981-01-30 | 1982-08-06 | Akebono Brake Ind Co Ltd | Deceleration detection liquid pressure controller |
JPS588453A (en) * | 1981-07-03 | 1983-01-18 | Akebono Brake Ind Co Ltd | Deceleration sensing-fluid pressure controller of vehicle brake system |
-
1979
- 1979-03-09 JP JP2672979A patent/JPS55119548A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57126752A (en) * | 1981-01-30 | 1982-08-06 | Akebono Brake Ind Co Ltd | Deceleration detection liquid pressure controller |
JPS588453A (en) * | 1981-07-03 | 1983-01-18 | Akebono Brake Ind Co Ltd | Deceleration sensing-fluid pressure controller of vehicle brake system |
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