JPH035986U

JPH035986U -

Info

Publication number: JPH035986U
Application number: JP6247189U
Authority: JP
Priority date: 1989-05-31
Filing date: 1989-05-31
Publication date: 1991-01-21

Description

[Brief explanation of drawings]

第１図はこの考案のベーンポンプの第１の実施
例を示す組立図、第２図はそのローターの部分斜
視図、第３図はそのローターの部分断面図、第４
図は同実施例のローターの溝切削加工用カツター
の外観斜視図、第５図はこのカツターの断面形状
図、第６図はこの考案の第２の実施例を示すベー
ンの斜視図、第７図は従来のベーンポンプの一例
を示す組立図、第８図はこのカバープレートの平
面図である。１……ローター、２……ベーン溝、３……ベー
ン、４……溝、８……ベーン、９……溝。 Fig. 1 is an assembled view showing the first embodiment of the vane pump of this invention, Fig. 2 is a partial perspective view of the rotor, Fig. 3 is a partial sectional view of the rotor, and Fig. 4 is a partial perspective view of the rotor.
The figure is an external perspective view of a rotor groove cutting cutter according to the same embodiment, Figure 5 is a sectional view of this cutter, Figure 6 is a perspective view of a vane showing a second embodiment of this invention, This figure is an assembled view showing an example of a conventional vane pump, and FIG. 8 is a plan view of this cover plate. 1...rotor, 2...vane groove, 3...vane, 4...groove, 8...vane, 9...groove.

Claims

[Claims for Utility Model Registration] (1) A vane pump equipped with a rotating body consisting of a rotor and a plurality of vanes that rotate together with the rotor while sliding in and out while fitting into vane grooves provided on the rotor, A vane pump characterized in that the rotating body is provided with a groove extending in the axial direction of the rotor, and the cross-sectional area of the groove perpendicular to the axial direction becomes larger toward the center in the axial direction. (2) The vane pump according to claim 1, wherein the groove is provided on the outer periphery of the rotor. (3) The vane pump according to claim 1, wherein the groove is provided on a side surface of the vane.