JPS5642730A - Liquid pressure cylinder - Google Patents
Liquid pressure cylinderInfo
- Publication number
- JPS5642730A JPS5642730A JP11652779A JP11652779A JPS5642730A JP S5642730 A JPS5642730 A JP S5642730A JP 11652779 A JP11652779 A JP 11652779A JP 11652779 A JP11652779 A JP 11652779A JP S5642730 A JPS5642730 A JP S5642730A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- oil
- piston
- pressure chamber
- check valve
- 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
- Transmission Of Braking Force In Braking Systems (AREA)
- Braking Arrangements (AREA)
Abstract
PURPOSE:To increase the working force of a liquid pressure cylinder by installing a small diameter piston with a check valve in the major piston for less oil consumption and applying the oil pressure through the check valve in the last stage of strokes. CONSTITUTION:When the pressure in a pressure chamber 7 is raised by letting a master cylinder 6 operate, the pressure in the pressure chamber 14 of an oil hydraulic cylinder 1 is increased. As this oil pressure allows a piston 12 to push a pad 3, a disc 2 makes contact with pads 3, 4. The pressure oil in the pressure chamber 14 can not, in the initial stage of strokes, open a valve poppet 23 of a check valve to flow into No.2 pressure chamber 15. As No.2 pressure chamber 15 becomes at negative pressure, oil is supplied from a reserver 38 through a valve poppet 39. At the finishing stage of strokes, a valve poppet 14 of the check valve opens to allow the pressure oil to flow into a recess 18 of No.2 piston 13, and the piston 12 is pushed at the whole area.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11652779A JPS5642730A (en) | 1979-09-11 | 1979-09-11 | Liquid pressure cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11652779A JPS5642730A (en) | 1979-09-11 | 1979-09-11 | Liquid pressure cylinder |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5642730A true JPS5642730A (en) | 1981-04-21 |
Family
ID=14689329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11652779A Pending JPS5642730A (en) | 1979-09-11 | 1979-09-11 | Liquid pressure cylinder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5642730A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4798052A (en) * | 1987-05-08 | 1989-01-17 | Allied-Signal Inc. | Constant-clearance brake piston system with braking pressure intensifier |
-
1979
- 1979-09-11 JP JP11652779A patent/JPS5642730A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4798052A (en) * | 1987-05-08 | 1989-01-17 | Allied-Signal Inc. | Constant-clearance brake piston system with braking pressure intensifier |
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