JPS5682648A - Auxiliary braking device for industrial vehicle - Google Patents
Auxiliary braking device for industrial vehicleInfo
- Publication number
- JPS5682648A JPS5682648A JP15738679A JP15738679A JPS5682648A JP S5682648 A JPS5682648 A JP S5682648A JP 15738679 A JP15738679 A JP 15738679A JP 15738679 A JP15738679 A JP 15738679A JP S5682648 A JPS5682648 A JP S5682648A
- Authority
- JP
- Japan
- Prior art keywords
- pump
- brake
- oil pressure
- hydraulic
- 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)
Abstract
PURPOSE: To prolong the lifetime of a brake lining through reduction of a load on the main braking system by enabling adding of the counter force generated by the operation of a brake pedal to a hydraulic pump connected to a motor.
CONSTITUTION: When a foot brake pedal 37 is pushed, a shift valve 70 is shifted to a position C2 and the hydraulic channel of direction shift valves 50 and 60 and a pump 32 is intercepted, while the oil from the pump 32 is returned to a relief valve 80 through the intermediary of pipes 36 and 45. However, since the valve 80 is left closed when the oil pressure is below a set pressure, the resistance due to the oil pressure in a hydraulic system increases and thereby the braking force is applied to the pump 32, i.e. the driving shaft 33 of an engine 3. Accordingly, when the above- mentioned pedal 37 is pushed down, the force of the engine brake is applied in addition to the origianl braking action by the supply of the brake oil pressure to wheel cylinders 95 and thereby the load on the main braking system can be reduced.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15738679A JPS5682648A (en) | 1979-12-06 | 1979-12-06 | Auxiliary braking device for industrial vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15738679A JPS5682648A (en) | 1979-12-06 | 1979-12-06 | Auxiliary braking device for industrial vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5682648A true JPS5682648A (en) | 1981-07-06 |
Family
ID=15648501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15738679A Pending JPS5682648A (en) | 1979-12-06 | 1979-12-06 | Auxiliary braking device for industrial vehicle |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5682648A (en) |
-
1979
- 1979-12-06 JP JP15738679A patent/JPS5682648A/en active Pending
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