JPH02117466U - - Google Patents
Info
- Publication number
- JPH02117466U JPH02117466U JP1989025708U JP2570889U JPH02117466U JP H02117466 U JPH02117466 U JP H02117466U JP 1989025708 U JP1989025708 U JP 1989025708U JP 2570889 U JP2570889 U JP 2570889U JP H02117466 U JPH02117466 U JP H02117466U
- Authority
- JP
- Japan
- Prior art keywords
- wheel drive
- seal member
- external seal
- drain hole
- drive transfer
- 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
- 230000013011 mating Effects 0.000 claims 1
Landscapes
- General Details Of Gearings (AREA)
- Rotary Pumps (AREA)
Description
第１図は本考案の一実施例を示す半断面図、第
２図は従来例を示す断面図である。
図中、５１……オイルポンプ、５２……ＤＣモ
ータ（直流モータ）、５３……ポンプハウジング
、５４……カバー、５５……ポンプギア、５６…
…シヤフト、５７……吐出口、５８……オイルシ
ール、５９……ドレーン孔、６０……Ｏリング（
外部シール部材）、６１……ドレーン流路、６２
……相手部材。
FIG. 1 is a half sectional view showing an embodiment of the present invention, and FIG. 2 is a sectional view showing a conventional example. In the figure, 51...Oil pump, 52...DC motor (DC motor), 53...Pump housing, 54...Cover, 55...Pump gear, 56...
...Shaft, 57...Discharge port, 58...Oil seal, 59...Drain hole, 60...O ring (
external seal member), 61... drain channel, 62
...Made to other parts.
Claims (1)
内に背圧を逃がすためのドレーン孔を有する４輪
駆動トランスフア装置のオイルポンプにおいて、
外部シール部材を前記ドレーン孔の外側に配置し
て、直径の異なるポンプハウジングの端部、また
は前記外部シール部材が接する相手部材の双方の
うち少なくとも一方にドレーン流路を形成したこ
とを特徴とする４輪駆動トランスフア装置のオイ
ルポンプ。 In an oil pump for a four-wheel drive transfer device that is driven by a DC motor and has a drain hole for releasing back pressure in the pump housing,
An external seal member is arranged outside the drain hole to form a drain flow path in at least one of the ends of the pump housing having different diameters or the mating member with which the external seal member comes into contact. Oil pump for 4-wheel drive transfer system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989025708U JPH0710123Y2 (en) | 1989-03-07 | 1989-03-07 | Oil pump for four-wheel drive transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989025708U JPH0710123Y2 (en) | 1989-03-07 | 1989-03-07 | Oil pump for four-wheel drive transfer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02117466U true JPH02117466U (en) | 1990-09-20 |
| JPH0710123Y2 JPH0710123Y2 (en) | 1995-03-08 |
Family
ID=31246681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989025708U Expired - Lifetime JPH0710123Y2 (en) | 1989-03-07 | 1989-03-07 | Oil pump for four-wheel drive transfer device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710123Y2 (en) |
-
1989
- 1989-03-07 JP JP1989025708U patent/JPH0710123Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0710123Y2 (en) | 1995-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |