JPS59107987U - engine oil pump - Google Patents

engine oil pump

Info

Publication number
JPS59107987U
JPS59107987U JP348583U JP348583U JPS59107987U JP S59107987 U JPS59107987 U JP S59107987U JP 348583 U JP348583 U JP 348583U JP 348583 U JP348583 U JP 348583U JP S59107987 U JPS59107987 U JP S59107987U
Authority
JP
Japan
Prior art keywords
oil pump
engine oil
inner gear
crankshaft
flat surface
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
Application number
JP348583U
Other languages
Japanese (ja)
Other versions
JPS6244150Y2 (en
Inventor
陶守　宰夫
Original Assignee
マツダ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by マツダ株式会社 filed Critical マツダ株式会社
Priority to JP348583U priority Critical patent/JPS59107987U/en
Publication of JPS59107987U publication Critical patent/JPS59107987U/en
Application granted granted Critical
Publication of JPS6244150Y2 publication Critical patent/JPS6244150Y2/ja
Granted legal-status Critical Current

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  • Rotary 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の実施態様を例示し、第１図はオイルポン
プをカバーがない状態で示す正面図、第２図はオイルポ
ンプの縦断面図、第３図は第１図の一部を拡大してイン
ナーギヤ側を断面で示す拡大図である。 １・・・・・・オイルポンプ、２・・・・・・インナー
ギヤ、３・・・・・・クランクシャフト、４・・・・・
・アウターギヤ、５・・・・・・ハウジング、６・・・
・・・クレセント、９・・・・・・吸入室、１０・・・
・・・吐出室、１３・・・・・・インナーギヤ側円弧面
、１４・・・・・・インナーギヤ側平坦面、１５・・・
・・・クランクシャフト側円弧面、１６・・・・・・ク
ランクシャフト側平坦面、１７・・・・・・ぬすみ部。The drawings illustrate an embodiment of the present invention, in which Fig. 1 is a front view of the oil pump without a cover, Fig. 2 is a vertical sectional view of the oil pump, and Fig. 3 is a partially enlarged view of Fig. 1. FIG. 3 is an enlarged cross-sectional view of the inner gear side. 1... Oil pump, 2... Inner gear, 3... Crankshaft, 4...
・Outer gear, 5...Housing, 6...
...Crescent, 9...Inhalation chamber, 10...
...Discharge chamber, 13...Inner gear side circular arc surface, 14...Inner gear side flat surface, 15...
... Crankshaft side circular arc surface, 16 ... Crankshaft side flat surface, 17 ... Thin part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] クランクシャフトに嵌合されたインナーギヤと、該イン
ナーギヤに噛み合うアウターギヤと、上記両ギヤを内部
に配設するケーシングと、上記両ギヤ間にそれぞれ形成
される吸入室および吐出室とを備えたエンジンのオイル
ポンプにおいて、クランクシャフトとインナーギヤとの
嵌合部は少なくともその１箇所が平坦面に形成され、イ
ンナーギヤは平坦面の駆動側の縁部に、該縁部への応力
集中を緩和するぬすみ部が形成されていることを特徴と
するエンジンのオイルポンプ。An inner gear fitted to a crankshaft, an outer gear meshed with the inner gear, a casing in which both the gears are disposed, and a suction chamber and a discharge chamber respectively formed between the two gears. In an engine oil pump, at least one part of the fitting part between the crankshaft and the inner gear is formed on a flat surface, and the inner gear is formed on the driving side edge of the flat surface to relieve stress concentration on the edge. An engine oil pump characterized in that a hollow part is formed.
JP348583U 1983-01-13 1983-01-13 engine oil pump Granted JPS59107987U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP348583U JPS59107987U (en) 1983-01-13 1983-01-13 engine oil pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP348583U JPS59107987U (en) 1983-01-13 1983-01-13 engine oil pump

Publications (2)

Publication Number Publication Date
JPS59107987U true JPS59107987U (en) 1984-07-20
JPS6244150Y2 JPS6244150Y2 (en) 1987-11-19

Family

ID=30135099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP348583U Granted JPS59107987U (en) 1983-01-13 1983-01-13 engine oil pump

Country Status (1)

Country Link
JP (1) JPS59107987U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180783U (en) * 1984-05-11 1985-11-30 豊興工業株式会社 Liquid gear pump
JPS63167088A (en) * 1986-12-29 1988-07-11 Shimadzu Corp Structure for casing of gear pump
WO2006075364A1 (en) * 2005-01-12 2006-07-20 Mitsubishi Materials Pmg Corporation Inner rotor for internal gear pump
WO2006075363A1 (en) * 2005-01-12 2006-07-20 Mitsubishi Materials Pmg Corporation Inner rotor for internal gear pump
JP2011117368A (en) * 2009-12-03 2011-06-16 Denso Corp Rotary pump

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933305A (en) * 1972-08-05 1974-03-27
JPS56124284U (en) * 1980-02-22 1981-09-21

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933305A (en) * 1972-08-05 1974-03-27
JPS56124284U (en) * 1980-02-22 1981-09-21

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180783U (en) * 1984-05-11 1985-11-30 豊興工業株式会社 Liquid gear pump
JPS63167088A (en) * 1986-12-29 1988-07-11 Shimadzu Corp Structure for casing of gear pump
WO2006075364A1 (en) * 2005-01-12 2006-07-20 Mitsubishi Materials Pmg Corporation Inner rotor for internal gear pump
WO2006075363A1 (en) * 2005-01-12 2006-07-20 Mitsubishi Materials Pmg Corporation Inner rotor for internal gear pump
US7572117B2 (en) 2005-01-12 2009-08-11 Mitsubishi Materials Pmg Corporation Inner rotor of internal gear pump having convex small circular arc parts
JP2011117368A (en) * 2009-12-03 2011-06-16 Denso Corp Rotary pump

Also Published As

Publication number Publication date
JPS6244150Y2 (en) 1987-11-19

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