JPH0183177U - - Google Patents
Info
- Publication number
- JPH0183177U JPH0183177U JP1987179978U JP17997887U JPH0183177U JP H0183177 U JPH0183177 U JP H0183177U JP 1987179978 U JP1987179978 U JP 1987179978U JP 17997887 U JP17997887 U JP 17997887U JP H0183177 U JPH0183177 U JP H0183177U
- Authority
- JP
- Japan
- Prior art keywords
- cooling water
- passage
- water pump
- heater
- cylinder head
- 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
- 239000000498 cooling water Substances 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例としてのウエバスト
ヒータ付きエンジンを示す模式図であり、第２図
は従来のウエバストヒータ付きエンジンを示す模
式図である。
１……冷却水ポンプ、１ａ……吐出部、１ｂ…
…吸入部、２ａ……クランクケース内冷却水通路
、２ｂ……連通路、２ｃ……シリンダヘツド内冷
却水通路、３……サーモスタツトケース、４……
ラジエータ、４ａ……上部連絡路、４ｂ……下部
連絡路、５……バイパス通路、６……ウエバスト
ヒータ、６ａ……ウエバスト回路、７……バルブ
としての電磁弁、８……サーモスタツト。
FIG. 1 is a schematic diagram showing an engine equipped with a Webast heater as an embodiment of the present invention, and FIG. 2 is a schematic diagram showing a conventional engine equipped with a Webast heater. 1...Cooling water pump, 1a...Discharge part, 1b...
...Suction part, 2a... Cooling water passage in crankcase, 2b... Communication passage, 2c... Cooling water passage in cylinder head, 3... Thermostat case, 4...
Radiator, 4a... Upper communication path, 4b... Lower communication path, 5... Bypass passage, 6... Webast heater, 6a... Webast circuit, 7... Solenoid valve as a valve, 8... Thermostat.
Claims (1)
冷却水ポンプの吐出部に接続されたクランクケー
ス内冷却水通路と、同クランクケース内冷却水通
路に連通路を介して接続されたシリンダヘツド内
冷却水通路と、同シリンダヘツド内冷却水通路に
サーモスタツトケースおよび上部連絡路を介して
上部を接続されたラジエータと、同ラジエータの
下部と上記冷却水ポンプの吸入部とを接続する下
部連絡路と、上記冷却水ポンプの吸入部と上記サ
ーモスタツトケースとを接続するバイパス通路と
をそなえるとともに、上記シリンダヘツド内冷却
水通路からウエバストヒータを経て上記冷却水ポ
ンプの吸入部へ至るウエバスト回路をそなえ、上
記バイパス通路において上記冷却水ポンプの吸入
部と上記サーモスタツトケースとの間に、上記ウ
エバストヒータの作動時に閉じられるバルブが設
けられたことを特徴とする、ウエバストヒータ付
きエンジン。 In a water-cooled engine, a cooling water pump, a cooling water passage in the crankcase connected to the discharge part of the cooling water pump, and cooling water in the cylinder head connected to the cooling water passage in the crankcase via a communication passage. a radiator whose upper part is connected to the cooling water passage in the cylinder head via a thermostat case and an upper communication passage; and a lower communication passage which connects the lower part of the radiator to the suction part of the cooling water pump; a bypass passage connecting the suction part of the cooling water pump and the thermostat case, and a Webast circuit leading from the cooling water passage in the cylinder head to the suction part of the cooling water pump via the Webast heater, An engine with a Webasto heater, characterized in that a valve that is closed when the Webasto heater is activated is provided in the bypass passage between the suction portion of the cooling water pump and the thermostat case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179978U JPH0183177U (en) | 1987-11-26 | 1987-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179978U JPH0183177U (en) | 1987-11-26 | 1987-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0183177U true JPH0183177U (en) | 1989-06-02 |
Family
ID=31471518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987179978U Pending JPH0183177U (en) | 1987-11-26 | 1987-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0183177U (en) |
-
1987
- 1987-11-26 JP JP1987179978U patent/JPH0183177U/ja active Pending
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