JPH0227030U

JPH0227030U -

Info

Publication number: JPH0227030U
Application number: JP10583088U
Authority: JP
Priority date: 1988-08-10
Filing date: 1988-08-10
Publication date: 1990-02-22

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す断面図、第２
図は他の断面図、第３図は逆止弁の断面図、第４
図は逆止弁の斜視図、第５図および第６図は逆止
弁の作用を説明する各説明図、第７図は従来のビ
スカスカツプリングの使用例を示す図、第８図は
トルク特性を示すグラフ、第９図は従来のビスカ
スカツプリングの断面図である。図中、１１…カムリング、１１Ａ…カム面、１
２…ロータ、１３…オイルシール、１４…プラン
ジヤー室、１５…プランジヤー、１６…主通路、
１７…吸入兼用吐出路、１８…逆止弁、１９…ス
プリング、２０…オリフイス、２７…ピストン、
２８…収納孔、２９…カバー、３０…スプリング
、３２…カツプシール、３３…スプリング、３４
…連通路。 Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is another sectional view, Figure 3 is a sectional view of the check valve, and Figure 4 is a sectional view of the check valve.
The figure is a perspective view of the check valve, Figures 5 and 6 are explanatory diagrams explaining the function of the check valve, Figure 7 is a diagram showing an example of the use of a conventional viscous coupling spring, and Figure 8 is a torque The graph showing the characteristics, FIG. 9, is a cross-sectional view of a conventional viscous coupling spring. In the figure, 11...cam ring, 11A...cam surface, 1
2... Rotor, 13... Oil seal, 14... Plunger chamber, 15... Plunger, 16... Main passage,
17... Suction/discharge path, 18... Check valve, 19... Spring, 20... Orifice, 27... Piston,
28... Storage hole, 29... Cover, 30... Spring, 32... Cup seal, 33... Spring, 34
...Connection path.

Claims

[Scope of utility model registration request]

a cam ring connected to an output shaft or an input shaft and having a cam surface therein; a rotor rotatably housed within the cam ring and connected to the input shaft or output shaft; and a plurality of rotors formed on the rotor. A hydraulic power transmission joint comprising a plurality of plungers slidably housed in a plunger chamber, and a suction/discharge passage communicating between the plunger chambers via a main passage, the suction/discharge passage A hydraulic power transmission joint characterized in that an orifice is formed in the center of a check valve installed in the hydraulic power transmission joint.