Patent ID: 6099279
Filing Date: 2000-08-08
Classification: F01C,F04C

Abstract:
A displacement fluid machine comprising a displacer and a casing which are provided between end plates, and a drive shaft for imparting an orbiting motion to said displacer, in which, when said displacer is aligned with a rotational center of the drive shaft, one space is formed by an outer peripheral surface of said displacer and an inner peripheral surface of said casing, and when said displacer is set to an orbiting position, a plurality of spaces are formed by the outer peripheral surface of said displacer and the inner peripheral surface of said casing, wherein there is provided an oil feed hole provided in said drive shaft, a groove provided at a surface of said displacer facing at least one of said end plates and connected to said oil feed hole, and a through hole provided in said displacer and passing through a space between the surfaces facing said end plates.