Scroll type fluid machine with an involute spiral based on a cir

Details Scroll type fluid machine with an involute spiral based on a cir Scroll type fluid machine with an involute spiral based on a cir

1993-09-13

1995-06-20

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418150, F01C 104

Patent

active

054256267

ABSTRACT:
A scroll type fluid machine including two scroll members, each having a spiral body formed on a base plate, which are arranged to make their spiral bodies mesh with each other to form a confined space therebetween, one of said scroll members being arranged to make an orbiting movement relatively to the other scroll member to successively enlarge or reduce said confined space to expand or contract a fluid confined in said space, wherein said spiral body has a shape formed by an involute based on a circle having a radius which varies in accordance with an involute angle.

REFERENCES:
patent: 4627800 (1986-12-01), Matsudaira et al.
patent: 4856973 (1989-08-01), Hirano et al.

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