JPH0341255U - - Google Patents
Info
- Publication number
- JPH0341255U JPH0341255U JP10241189U JP10241189U JPH0341255U JP H0341255 U JPH0341255 U JP H0341255U JP 10241189 U JP10241189 U JP 10241189U JP 10241189 U JP10241189 U JP 10241189U JP H0341255 U JPH0341255 U JP H0341255U
- Authority
- JP
- Japan
- Prior art keywords
- relief valve
- hydraulic
- oil
- case
- continuously variable
- 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
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Motor Power Transmission Devices (AREA)
- Control Of Fluid Gearings (AREA)
Description
第１図は本考案に係る作業車両の側面図、第２
図は油圧無段変速機の展開断面図、第３図はリリ
ーフ弁断面図、第４図は油路説明図。
２０……油圧無段変速機、２３……油圧無段変
速機のケース、２５……油圧ポンプ、２５ｄ……
油圧ポンプケース、２６……油圧モータ、２６ｄ
……油圧モータケース、３２……高圧油路、３３
……低圧油路、４０……リリーフ弁。
Figure 1 is a side view of the working vehicle according to the present invention, Figure 2 is a side view of the work vehicle according to the present invention;
The figure is a developed sectional view of a hydraulic continuously variable transmission, FIG. 3 is a sectional view of a relief valve, and FIG. 4 is an explanatory diagram of an oil passage. 20...Hydraulic continuously variable transmission, 23...Hydraulic continuously variable transmission case, 25...Hydraulic pump, 25d...
Hydraulic pump case, 26...Hydraulic motor, 26d
... Hydraulic motor case, 32 ... High pressure oil path, 33
...Low pressure oil line, 40...Relief valve.
Claims (1)
ーフ弁を設け、前記油路の油圧が所定圧以上にな
つた場合に前記リリーフ弁を介して油を油溜りへ
戻すように構成した油圧無段変速機において、 前記リリーフ弁を油圧無段変速機のケースに介
設した油圧ポンプケース若しくは油圧モータケー
スの少なくとも一方の内部に設けたことを特徴と
する油圧無段変速機のリリーフ弁配置構造。[Claims for Utility Model Registration] A relief valve is provided in an oil passage connecting a hydraulic pump and a hydraulic motor, and when the oil pressure in the oil passage exceeds a predetermined pressure, oil is returned to the oil reservoir via the relief valve. In the hydraulic continuously variable transmission configured as above, the relief valve is provided inside at least one of a hydraulic pump case or a hydraulic motor case interposed in the case of the hydraulic continuously variable transmission. Machine relief valve arrangement structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10241189U JPH0341255U (en) | 1989-08-31 | 1989-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10241189U JPH0341255U (en) | 1989-08-31 | 1989-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0341255U true JPH0341255U (en) | 1991-04-19 |
Family
ID=31651308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10241189U Pending JPH0341255U (en) | 1989-08-31 | 1989-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341255U (en) |
-
1989
- 1989-08-31 JP JP10241189U patent/JPH0341255U/ja active Pending