JPS5917290U

JPS5917290U - Fuel pump

Info

Publication number: JPS5917290U
Application number: JP11193582U
Authority: JP
Inventors: 大川　晃三郎; 靖雄高木; 村中　重夫
Original assignee: 日産自動車株式会社
Priority date: 1982-07-23
Filing date: 1982-07-23
Publication date: 1984-02-02

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、第２図は従来例の部分断面図と側面断面図、第
３図のａ、　ｂはその要部詳細図と部分側面図、第４図
はその作動説明図、第５図のａ、　　ｂは本考案の実施
例をしめす平面図と側面図、第６図はその作動説明図、
第７図のａ、　　ｂは本考案の他の実施例を示す平面図
と側面図、第８図はその作動説明図である。３・・・ロータ、４・・・ベーンｉ、５−・・カムリン
グ、６・・・ヘッド、８・・・プレート、１１・・・ロ
ーラベーン、１２・・・円周面、１３・・・底面、１５
・・・曲面部。1 and 2 are a partial sectional view and a side sectional view of the conventional example, FIGS. a and b are a plan view and a side view showing an embodiment of the present invention; FIG. 6 is an explanatory diagram of its operation;
7a and 7b are a plan view and a side view showing another embodiment of the present invention, and FIG. 8 is an explanatory diagram of its operation. 3... Rotor, 4... Vane i, 5... Cam ring, 6... Head, 8... Plate, 11... Roller vane, 12... Circumferential surface, 13... Bottom surface , 15
...Curved surface part.

Claims

[Scope of utility model registration request]

Equipped with a rotor that rotates inside a cam ring, cylindrical roller vanes are freely slidably incorporated into vane grooves provided on the circumference of the rotor, and as the rotor rotates, the volume of the oil chamber formed between adjacent roller vanes changes. 1. A vane pump that sucks in and discharges fuel accordingly, characterized in that an end where a circumferential surface of the roller vane intersects with both bottom surfaces is formed into a surface having curvature.