JPS61114085U - - Google Patents
Info
- Publication number
- JPS61114085U JPS61114085U JP19964084U JP19964084U JPS61114085U JP S61114085 U JPS61114085 U JP S61114085U JP 19964084 U JP19964084 U JP 19964084U JP 19964084 U JP19964084 U JP 19964084U JP S61114085 U JPS61114085 U JP S61114085U
- Authority
- JP
- Japan
- Prior art keywords
- oil passage
- pump
- engine
- seal member
- suction
- 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
- 238000005461 lubrication Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
Description
第１図は本考案実施例を示すエンジン潤滑用ポ
ンプの縦断面図、第２図は第１図Ａ―Ａ線に沿つ
た要部拡大断面図、第３図は特性比較線図、第４
図は従来例を示すエンジン潤滑用ポンプの縦断面
図である。
符号の説明、１…エンジン側壁、２…ポンプカ
バー、３…ポンプボデー、５…アウターローター
、６…インナーローター、７…吸入油路、８…吸
入ポート、９…吐出油路、１０…吐出ポート、１
１，１２…バランスポート、１３…駆動軸、１４
…シール部材、１５…空間室、１６，２６…ドレ
ン油路、１８…通油溝。
Fig. 1 is a longitudinal sectional view of an engine lubrication pump showing an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the main part along the line A-A in Fig. 1, Fig. 3 is a characteristic comparison diagram, and Fig. 4
The figure is a longitudinal sectional view of a conventional engine lubrication pump. Explanation of symbols, 1...Engine side wall, 2...Pump cover, 3...Pump body, 5...Outer rotor, 6...Inner rotor, 7...Suction oil passage, 8...Suction port, 9...Discharge oil passage, 10...Discharge port ,1
1, 12...Balance port, 13...Drive shaft, 14
... Seal member, 15... Space chamber, 16, 26... Drain oil passage, 18... Oil passage groove.
Claims (1)
た円筒状ポンプ室４内に、互いに内接噛み合いす
る内歯アウターローター５と外歯インナーロータ
ー６とを設け、前記ポンプボデー３にはローター
５，６端面に開口し、エンジン側壁１に設けた吸
入油路７及び吐出油路９とにそれぞれ連通する吸
入ポート８及び吐出ポート１０を設け、前記ポン
プカバー２には吸入ポート８と吐出ポート１０と
にそれぞれ対向してバランスポート１１，１２を
設け、前記ポンプカバー２に前記ローター５，６
を回転駆動する駆動軸１３を支持させ、前記ポン
プカバー２外端部に前記駆動軸１３と係合するシ
ール部材１４を設けたエンジン潤滑用ポンプにお
いて、前記円筒状ポンプ室４の周壁と端壁に吸入
ポート８と連通する通油溝１８を形成すると共に
、前記シール部材１４背後の空間室１５を前記通
油溝１８に連通して、シール部材１４背後の空間
室１５を吸入油路７へ連通する吸入ポート８へ連
通したことを特徴とするエンジン潤滑用オイルポ
ンプ。 A cylindrical pump chamber 4 formed by a pump body 3 and a pump cover 2 is provided with an internally toothed outer rotor 5 and an externally toothed inner rotor 6 that internally mesh with each other. A suction port 8 and a discharge port 10 are provided which are open at the end face and communicate with a suction oil passage 7 and a discharge oil passage 9 provided in the engine side wall 1, respectively. Balance ports 11 and 12 are provided facing each other, and the rotors 5 and 6 are provided on the pump cover 2.
In the engine lubricating pump, which supports a drive shaft 13 that rotationally drives the engine, and is provided with a seal member 14 on the outer end of the pump cover 2 that engages with the drive shaft 13, the peripheral wall and end wall of the cylindrical pump chamber 4 An oil passage groove 18 that communicates with the suction port 8 is formed in the oil passage groove 18 , and a space chamber 15 behind the seal member 14 is communicated with the oil passage groove 18 , so that the space chamber 15 behind the seal member 14 is connected to the suction oil passage 7 . An oil pump for engine lubrication, characterized in that it communicates with a suction port 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984199640U JPS641501Y2 (en) | 1984-12-28 | 1984-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984199640U JPS641501Y2 (en) | 1984-12-28 | 1984-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61114085U true JPS61114085U (en) | 1986-07-18 |
| JPS641501Y2 JPS641501Y2 (en) | 1989-01-13 |
Family
ID=30759749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984199640U Expired JPS641501Y2 (en) | 1984-12-28 | 1984-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641501Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012062857A (en) * | 2010-09-17 | 2012-03-29 | Hitachi Automotive Systems Ltd | Power steering device and method for filling hydraulic fluid therefor |
| JP2015045300A (en) * | 2013-08-29 | 2015-03-12 | 日立オートモティブシステムズ株式会社 | Electric oil pump |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6060488B2 (en) * | 2012-02-14 | 2017-01-18 | 株式会社ジェイテクト | Electric pump unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5840592U (en) * | 1981-09-11 | 1983-03-17 | カヤバ工業株式会社 | vane pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5840592B2 (en) * | 1975-12-10 | 1983-09-06 | ペンテル カブシキガイシヤ | Yusei Ink Seibutsu |
-
1984
- 1984-12-28 JP JP1984199640U patent/JPS641501Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5840592U (en) * | 1981-09-11 | 1983-03-17 | カヤバ工業株式会社 | vane pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012062857A (en) * | 2010-09-17 | 2012-03-29 | Hitachi Automotive Systems Ltd | Power steering device and method for filling hydraulic fluid therefor |
| JP2015045300A (en) * | 2013-08-29 | 2015-03-12 | 日立オートモティブシステムズ株式会社 | Electric oil pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS641501Y2 (en) | 1989-01-13 |