JPH02145623U - - Google Patents
Info
- Publication number
- JPH02145623U JPH02145623U JP5635489U JP5635489U JPH02145623U JP H02145623 U JPH02145623 U JP H02145623U JP 5635489 U JP5635489 U JP 5635489U JP 5635489 U JP5635489 U JP 5635489U JP H02145623 U JPH02145623 U JP H02145623U
- Authority
- JP
- Japan
- Prior art keywords
- cooling water
- water
- passage
- jacket
- water jacket
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例に係る水冷式エンジ
ンの冷却水制御装置を示す要部断面図である。第
２図は第１図に示す装置の水温が低い時の状態を
示す要部拡大断面図である。第３図は第１図に示
す装置の水温が高い時の状態を示す要部拡大断面
図である。第４図は第１図に示す装置の注水時の
状態を示す要部拡大断面図である。第５図及び第
６図は第１図に於けるバタフライバルブを設けた
部位の別の例を示す要部拡大断面図である。第７
図は従来に於ける水冷式エンジンの冷却水制御装
置を示す構成図である。
主要な部分の符号の説明、２０……水冷式エン
ジン、２１……ウオータジヤケツト、２２……ウ
オータジヤケツト２１の出口部、２３……ウオー
タポンプ、２４……バイパス通路、２５……ウオ
ータジヤケツト２１の入口部、２７……バタフラ
イバルブ、３０……サーミスタセンサ、４０……
ラジエータ、４１，４２……冷却水通路、４３…
…合流部。
FIG. 1 is a sectional view of a main part of a cooling water control device for a water-cooled engine according to an embodiment of the present invention. FIG. 2 is an enlarged sectional view of a main part of the apparatus shown in FIG. 1, showing the state when the water temperature is low. FIG. 3 is an enlarged sectional view of a main part of the apparatus shown in FIG. 1, showing the state when the water temperature is high. FIG. 4 is an enlarged sectional view of a main part of the apparatus shown in FIG. 1, showing the state when water is injected. FIGS. 5 and 6 are enlarged cross-sectional views of essential parts showing another example of the part in FIG. 1 in which a butterfly valve is provided. 7th
The figure is a configuration diagram showing a conventional cooling water control device for a water-cooled engine. Explanation of symbols of main parts, 20...Water cooled engine, 21...Water jacket, 22...Outlet part of water jacket 21, 23...Water pump, 24...Bypass passage, 25...Water jacket Inlet part of butt 21, 27...Butterfly valve, 30...Thermistor sensor, 40...
Radiator, 41, 42...Cooling water passage, 43...
...merging section.
Claims (1)
エータと、上記ウオータジヤケツトとラジエータ
との間を循環させる冷却水通路と、この冷却水通
路に於けるウオータジヤケツトの出口側に設けら
れ、ラジエータとウオータジヤケツトとの間の冷
却水の循環量を調整する調整弁と、上記冷却水通
路に於けるウオータジヤケツトの出口側と入口側
とを連通するバイパス通路と、冷却水温に関連す
る信号を検出する冷却水温検出手段と、この冷却
水温検出手段の出力に応じて冷却水温が所定値以
下になるように上記調整弁を制御して冷却水の循
環量を制御する水冷式エンジンの冷却水制御装置
に於て、上記冷却水通路に於けるウオータジヤケ
ツトの出口側近傍と上記バイパス通路との分岐部
に上記調整弁を設けると共に、上記冷却水通路に
於けるウオータジヤケツトの入口側近傍と上記バ
イパス通路との合流部より下流側に上記冷却水温
検出手段のセンサーを設けたことを特徴とする水
冷式エンジンの冷却水制御装置。 A water jacket of a water-cooled engine, a radiator, a cooling water passage that circulates between the water jacket and the radiator, and a cooling water passage provided on the outlet side of the water jacket in the cooling water passage, which connects the radiator and the water jacket. A regulating valve that adjusts the amount of circulating water between the water jacket and the water jacket, a bypass passage that communicates the outlet side and the inlet side of the water jacket in the cooling water passage, and a signal related to the cooling water temperature is detected. A cooling water control device for a water-cooled engine that includes a cooling water temperature detection means and controls the amount of circulation of the cooling water by controlling the regulating valve so that the cooling water temperature is below a predetermined value according to the output of the cooling water temperature detection means. The regulating valve is provided in the vicinity of the outlet side of the water jacket in the cooling water passage and the branch part between the bypass passage, and the regulating valve is provided in the vicinity of the inlet side of the water jacket in the cooling water passage and the bypass passage. A cooling water control device for a water-cooled engine, characterized in that a sensor for the cooling water temperature detecting means is provided downstream of the confluence with the passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5635489U JPH02145623U (en) | 1989-05-15 | 1989-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5635489U JPH02145623U (en) | 1989-05-15 | 1989-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02145623U true JPH02145623U (en) | 1990-12-11 |
Family
ID=31580104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5635489U Pending JPH02145623U (en) | 1989-05-15 | 1989-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02145623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018164285A1 (en) * | 2018-03-28 | 2018-09-13 | 株式会社小松製作所 | Engine cooling device, and engine system |
-
1989
- 1989-05-15 JP JP5635489U patent/JPH02145623U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018164285A1 (en) * | 2018-03-28 | 2018-09-13 | 株式会社小松製作所 | Engine cooling device, and engine system |
| US10697349B2 (en) | 2018-03-28 | 2020-06-30 | Komatsu Ltd. | Engine cooling device and engine system |
| CN109072760B (en) * | 2018-03-28 | 2020-12-01 | 株式会社小松制作所 | Engine cooling device and engine system |
| DE112018000019B4 (en) | 2018-03-28 | 2022-07-14 | Komatsu Ltd. | Engine cooling device with valves for switching circulation routes for a coolant depending on the temperature of the coolant |
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