JPH0448430U

JPH0448430U -

Info

Publication number: JPH0448430U
Application number: JP8915490U
Authority: JP
Priority date: 1990-08-28
Filing date: 1990-08-28
Publication date: 1992-04-24

Description

[Brief explanation of the drawing]

第１図は一実施例の断面図、第２図は第１図の
Ａ−Ａ断面図、第３図は第１図のＢ−Ｂ断面図、
第４図はルーツとポートとの関係を示す横断面図
、第５図は実施例の動作中のルーツとポートとの
関係を示す横断面図、第６図は実施例と従来例の
特性を比較するグラフ、第７図は実施例を用いた
車両の動力系を示すスケルトン機構図である。３１……ハウジング、５１……ポンプ室、５３
……トロコイド、５５……ルーツ。 FIG. 1 is a sectional view of one embodiment, FIG. 2 is a sectional view taken along line AA in FIG. 1, and FIG. 3 is a sectional view taken along line BB in FIG. 1.
Fig. 4 is a cross-sectional view showing the relationship between roots and ports, Fig. 5 is a cross-sectional view showing the relationship between roots and ports during operation of the embodiment, and Fig. 6 shows the characteristics of the embodiment and the conventional example. The comparison graph, FIG. 7, is a skeleton mechanism diagram showing the power system of the vehicle using the embodiment. 31...Housing, 51...Pump chamber, 53
... Trochoid, 55... Roots.

Claims

[Scope of utility model registration request]

A coupling device that transmits the torque through a roots pump having a trochoid and roots that rotate relative to each other in response to torque in a pump chamber of a housing and perform pumping work.