JPH0299221U - - Google Patents
Info
- Publication number
- JPH0299221U JPH0299221U JP685689U JP685689U JPH0299221U JP H0299221 U JPH0299221 U JP H0299221U JP 685689 U JP685689 U JP 685689U JP 685689 U JP685689 U JP 685689U JP H0299221 U JPH0299221 U JP H0299221U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- circuit
- automatic transmission
- temperature
- cooler
- 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
- 239000012530 fluid Substances 0.000 claims 3
- 238000001816 cooling Methods 0.000 claims 2
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Fluid-Pressure Circuits (AREA)
- Control Of Transmission Device (AREA)
Description
第１図は本考案の第１の実施例における自動変
速機の作動油圧回路の概略構成図、第２図は調整
機構の構造令を示す断面図、第３図は車速に対す
る油温変化を示す特性図、第４図は暖機時の時間
変化に対する油温変化を示す特性図、第５図は本
考案の第２の実施例における自動変速機の作動油
圧回路の概略構成図である。
Ｅ……エンジン、１，３０……自動変速機、２
……作動油圧回路、７……調整機構、８……流量
切換調整弁、９……冷却回路、１０，３１……昇
温回路、１４……クーラー、１６，３２……加熱
部、２５……制御ユニツト、２６……油温センサ
。
Fig. 1 is a schematic diagram of the working hydraulic circuit of an automatic transmission according to the first embodiment of the present invention, Fig. 2 is a sectional view showing the structure of the adjustment mechanism, and Fig. 3 shows changes in oil temperature with respect to vehicle speed. FIG. 4 is a characteristic diagram showing changes in oil temperature with respect to time changes during warm-up, and FIG. 5 is a schematic diagram of the hydraulic pressure circuit of an automatic transmission according to a second embodiment of the present invention. E...Engine, 1,30...Automatic transmission, 2
. . . Working hydraulic circuit, 7 . . . Adjustment mechanism, 8 . ...Control unit, 26...Oil temperature sensor.
Claims (1)
クーラーを有する冷却回路と、上記クーラーをバ
イパスし、エンジン系統のラジエータもしくはエ
ンジン本体などの流体流通部の高温部を通る昇温
回路とを並列に設けると共に、作動油の温度に応
じて上記冷却回路と昇温回路とに流れる作動油量
を切換え調整する調整機構を設けたことを特徴と
する自動変速機の作動油圧回路。 A cooling circuit with a cooler installed in the hydraulic circuit for hydraulic oil of an automatic transmission is paralleled with a temperature raising circuit that bypasses the cooler and passes through a high temperature part of the fluid circulation part such as the radiator of the engine system or the engine body. 1. A hydraulic hydraulic circuit for an automatic transmission, comprising: an adjustment mechanism for switching and adjusting the amount of hydraulic fluid flowing into the cooling circuit and the temperature raising circuit according to the temperature of the hydraulic fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP685689U JPH0299221U (en) | 1989-01-24 | 1989-01-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP685689U JPH0299221U (en) | 1989-01-24 | 1989-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0299221U true JPH0299221U (en) | 1990-08-07 |
Family
ID=31211376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP685689U Pending JPH0299221U (en) | 1989-01-24 | 1989-01-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0299221U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS632825B2 (en) * | 1980-06-06 | 1988-01-20 | Hino Motors Ltd |
-
1989
- 1989-01-24 JP JP685689U patent/JPH0299221U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS632825B2 (en) * | 1980-06-06 | 1988-01-20 | Hino Motors Ltd |
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