Patent ID: 6406279
Filing Date: 2002-06-18
Classification: F01C,F04C

Abstract:
A displacement type fluid machine in which one space is formed by the inner wall face of a cylinder and the outer wall face of the displacer when the center of said displacer is located at the center of rotation of a rotating shaft, and in which a plurality of spaces are formed when a positional relationship between said displacer and said cylinder is located at the position of gyration, wherein when the center of said displacer is located at the center of rotation of said rotating shaft, the gap between the inner wall face of said cylinder and the outer wall face of said displacer is made narrower at the portion having a small radius of curvature of the outer wall curve of said displacer than at a portion having a larger radius of curvature of the outer wall curve of said displacer.