JPS54107024A - Hydraulic apparatus having power steering device and brake booster - Google Patents
Hydraulic apparatus having power steering device and brake boosterInfo
- Publication number
- JPS54107024A JPS54107024A JP1313878A JP1313878A JPS54107024A JP S54107024 A JPS54107024 A JP S54107024A JP 1313878 A JP1313878 A JP 1313878A JP 1313878 A JP1313878 A JP 1313878A JP S54107024 A JPS54107024 A JP S54107024A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- power steering
- steering device
- brake
- increase
- 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
Links
Landscapes
- Braking Systems And Boosters (AREA)
- Power Steering Mechanism (AREA)
Abstract
PURPOSE: To improve the steering sense of a power steering device and to secure safety of a hydraulic apparatus even if one of two pumps malfunctions by releasing the back pressure to the power steering device occurred by the operation of a brake booster at normal time.
CONSTITUTION: When a brake pedal 15 is depressed, a passage area between the inlet side 6a and the outlet side 6b of a brake booster is throttled to increase the hydraulic pressure at the inlet side 6a to thereby produce brake pressure in a master cylinder 8 so as to operate wheel cylinders 12, 13 for braking operation. The brake pressure at the inlet side 6a is also acted to a power steering device 3 to increase the exhaust pressure of a pump 16 to thereby increase the pressure in the chamber 34 of a passage control valve 20. When this pressure becomes higher than predetermined value, a poppet valve 23 is moved rightwardly to communicate between annular grooves 26 and chamber 27 to thereby release the back pressure operating the device 3.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1313878A JPS54107024A (en) | 1978-02-08 | 1978-02-08 | Hydraulic apparatus having power steering device and brake booster |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1313878A JPS54107024A (en) | 1978-02-08 | 1978-02-08 | Hydraulic apparatus having power steering device and brake booster |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54107024A true JPS54107024A (en) | 1979-08-22 |
JPS6147742B2 JPS6147742B2 (en) | 1986-10-21 |
Family
ID=11824791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1313878A Granted JPS54107024A (en) | 1978-02-08 | 1978-02-08 | Hydraulic apparatus having power steering device and brake booster |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54107024A (en) |
-
1978
- 1978-02-08 JP JP1313878A patent/JPS54107024A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6147742B2 (en) | 1986-10-21 |
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