JPH048856U - - Google Patents
Info
- Publication number
- JPH048856U JPH048856U JP4978990U JP4978990U JPH048856U JP H048856 U JPH048856 U JP H048856U JP 4978990 U JP4978990 U JP 4978990U JP 4978990 U JP4978990 U JP 4978990U JP H048856 U JPH048856 U JP H048856U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- hydraulically driven
- suction
- driven vehicle
- bypass
- 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
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/433—Pump capacity control by fluid pressure control means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Motor Power Transmission Devices (AREA)
- Control Of Fluid Gearings (AREA)
Description
第１図は本考案の実施例の油圧駆動車の油圧回
路であり、第２図はバルブ３４ａ，３４ｂの構造
を示す図、第３図は従来の油圧駆動車の油圧回路
を示す図である。
１ａ，１ｂ……斜板ポンプ、３０ａ，３０ｂ…
…吐出回路、３１ａ，３１ｂ……吸入回路、３２
ａ，３２ａ−１，３２ｂ，３２ｂ−１……バイパ
ス回路、３４ａ，３４ｂ……バルブ。
FIG. 1 is a hydraulic circuit of a hydraulically driven vehicle according to an embodiment of the present invention, FIG. 2 is a diagram showing the structure of valves 34a and 34b, and FIG. 3 is a diagram showing a hydraulic circuit of a conventional hydraulically driven vehicle. . 1a, 1b... Swash plate pump, 30a, 30b...
...Discharge circuit, 31a, 31b...Suction circuit, 32
a, 32a-1, 32b, 32b-1... bypass circuit, 34a, 34b... valve.
Claims (1)
と吐出回路で連結した油圧駆動車の油圧回路にお
いて、吸入回路と吐出回路をバイパス回路にて連
結し、該バイパス回路に手動で開放するバルブを
設けたことを特徴とする油圧駆動車の油圧回路。 In a hydraulic circuit for a hydraulically driven vehicle in which a vehicle drive variable displacement pump and a motor are connected through a suction circuit and a discharge circuit, the suction circuit and the discharge circuit are connected through a bypass circuit, and a valve that is manually opened is provided in the bypass circuit. A hydraulic circuit for a hydraulically driven vehicle characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4978990U JPH048856U (en) | 1990-05-11 | 1990-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4978990U JPH048856U (en) | 1990-05-11 | 1990-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048856U true JPH048856U (en) | 1992-01-27 |
Family
ID=31567780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4978990U Pending JPH048856U (en) | 1990-05-11 | 1990-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50148023U (en) * | 1974-05-24 | 1975-12-09 |
-
1990
- 1990-05-11 JP JP4978990U patent/JPH048856U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50148023U (en) * | 1974-05-24 | 1975-12-09 |