JPS6061434U - engine water pump - Google Patents
engine water pumpInfo
- Publication number
- JPS6061434U JPS6061434U JP15361683U JP15361683U JPS6061434U JP S6061434 U JPS6061434 U JP S6061434U JP 15361683 U JP15361683 U JP 15361683U JP 15361683 U JP15361683 U JP 15361683U JP S6061434 U JPS6061434 U JP S6061434U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- boss portion
- engine
- water pump
- belt cover
- 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.)
- Granted
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のウォータポンプを有するエンジンの断面
図、第２図は本考案のウォータポンプを有するエンジン
の断面図、第３図は本考案のポンププーリをエンジン前
方から見て示す正面図、第４図は第３図のポンププーリ
を矢印Ａ−Ａに沿って切断して示す断面図である。
１・・・クランクシャフト、４・・・タイミングベルト
、５・・・カムシャフト、６・・・上部カバー、７・・
・下部カバー、８・・・ピストン、１０．２０・・・ウ
ォータポンプ、１１．２１・・・ポンププーリ、１２．
２２・・・ポンプシャフト、１３．２３・・・ベアリン
グ、１４．２４・・・ポンプケーシング、１５．２５・
・・ポンプ羽根。FIG. 1 is a cross-sectional view of an engine with a conventional water pump, FIG. 2 is a cross-sectional view of an engine with a water pump of the present invention, FIG. 3 is a front view of the pump pulley of the present invention as seen from the front of the engine, and FIG. FIG. 4 is a sectional view showing the pump pulley of FIG. 3 taken along arrow A-A. 1... Crankshaft, 4... Timing belt, 5... Camshaft, 6... Upper cover, 7...
- Lower cover, 8... Piston, 10.20... Water pump, 11.21... Pump pulley, 12.
22... Pump shaft, 13.23... Bearing, 14.24... Pump casing, 15.25.
...Pump vane.
Claims (2)
を覆うベルトカバー内に配されたポンプ羽根と、前記ベ
ルトカバー内で前記ポンプ羽根の前側に位置し、前記ベ
ルトカバーに設けた開口を通ってこのベルトカバーの外
方へ突出するボス部を有するポンプケーシングと、前記
ベルトカバー外に位置し前記ポンプ羽根と同一回転軸を
有するポンプ駆動プーリと、前記ボス部を貫通して配さ
れ前記ポンチ駆動プーリと前記ポンプ羽根を連結するポ
ンプシャフトと、゛外周が前記ボス部の内周に圧入され
このボス部に対して前記ポンプシャフトを回転自在に支
持するベアリングとからなるエンジンのウォータポンプ
において、前記ボス部をなす材料の熱膨張率が前記ベア
リングの材料の熱膨張率より大きく、前記ボス部の内部
に冷却風通路を形成したことを特徴とするエンジンのウ
ォータポンプ。(1) A pump blade arranged in a belt cover that covers a timing belt attached to the front of the engine, and a pump blade located in front of the pump blade in the belt cover and passed through an opening provided in the belt cover a pump casing having a boss portion protruding outward from the cover; a pump drive pulley located outside the belt cover and having the same rotational axis as the pump blade; and a punch drive pulley disposed passing through the boss portion. In the water pump for an engine, the engine water pump includes a pump shaft that connects the pump blades, and a bearing whose outer periphery is press-fitted into the inner periphery of the boss portion and rotatably supports the pump shaft with respect to the boss portion. 1. A water pump for an engine, wherein a coefficient of thermal expansion of a material forming the bearing is greater than a coefficient of thermal expansion of a material of the bearing, and a cooling air passage is formed inside the boss portion.
た冷却風通路に冷却風を送るための孔を設けたことを特
徴とする実用新案登録請求の範囲第１項記載のエンジン
のウォータポンプ。(2) A water pump for an engine according to claim 1, wherein the pump drive pulley is provided with a hole for sending cooling air to a cooling air passage formed in the boss portion. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15361683U JPS6061434U (en) | 1983-10-03 | 1983-10-03 | engine water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15361683U JPS6061434U (en) | 1983-10-03 | 1983-10-03 | engine water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6061434U true JPS6061434U (en) | 1985-04-30 |
| JPH0217143Y2 JPH0217143Y2 (en) | 1990-05-14 |
Family
ID=30339813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15361683U Granted JPS6061434U (en) | 1983-10-03 | 1983-10-03 | engine water pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6061434U (en) |
-
1983
- 1983-10-03 JP JP15361683U patent/JPS6061434U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0217143Y2 (en) | 1990-05-14 |
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