JPS60192295U

JPS60192295U - Internal gear type oil pump

Info

Publication number: JPS60192295U
Application number: JP8131984U
Authority: JP
Inventors: 岡田　敬彦; 英寿藤原; 義治稲熊
Original assignee: 豊田工機株式会社
Priority date: 1984-05-31
Filing date: 1984-05-31
Publication date: 1985-12-20

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

[Brief explanation of the drawing]

第１図は本考案の実施例を示す内接ギヤ形オイルポンプ
の断面図、第２図および第３図は第１図の■−■線およ
び■−■線矢視断面図、第４図は従来の内接ギヤ形オイ
ルポンプを示す断面図である。１２・・・・・・ポンプハウジング、１３・・・・・・
蓋部材、１５・・・・・・ドライブギヤ。１６・・・・
・・ドリブンギヤ、１９・・・・・・支持穴、２１，２
２・・・・・・吸入ポート。２３．２４・・・・・・吐
出ポート、２５・・・・・・軸受ポケット、２６・・・
・・・細溝。Fig. 1 is a cross-sectional view of an internal gear type oil pump showing an embodiment of the present invention, Figs. 2 and 3 are cross-sectional views taken along the lines ■-■ and ■-■ in Fig. 1, and Fig. 4. 1 is a sectional view showing a conventional internal gear type oil pump. 12...Pump housing, 13...
Lid member, 15... Drive gear. 16...
...Driven gear, 19...Support hole, 21,2
2... Intake port. 23.24...Discharge port, 25...Bearing pocket, 26...
...Small groove.

Claims

[Scope of utility model registration request]

A lid member is fixed to one end of the pump housing in which a support hole is formed, and an internally toothed drive gear that rotatably fits into the support hole is housed between the lid member and the pump housing;
A drive gear that meshes with the driven gear is rotatably supported around an axis eccentric to the support hole, and a plurality of bearing pockets are recessed on the circumference in the support hole of the pump housing, and these bearing pockets are recessed in the support hole of the pump housing. An internal gear type oil pump that communicates with a discharge port via a narrow groove formed in a joint surface between the lid member and the pump housing.