Patent ID: 8444379

Claim:
A sealing device for a rotary fluid machine, comprising: a housing having an inner surface, and being configured to rotatably accommodate a rotary shaft; a plurality of guide parts mounted on said inner surface of said housing, said plurality of guide parts extending along at least one of a radial direction and an axial direction of the rotary shaft, and being arranged side-by-side in a circumferential direction of the rotary shaft, said plurality of guide parts having first ends and second ends, said second ends being opposite said first ends; a partition part connecting said first ends of said plurality of guide parts, said second ends of said plurality of guide parts being mounted on said housing, and said partition plate being a partition between spaces between said plurality of guide parts and an outside space; a first seal part that is an annular protrusion, and being configured to form a first gap with respect to the rotary shaft or said partition part, and being configured to block a flow of fluid passing through the outside space; and a second seal part that is an annular protrusion extending in the radial direction, and being configured to form a second gap with respect to the rotary shaft or said housing, and being configured to block a flow of fluid that has passed through the spaces between said plurality of guide parts and a flow of fluid that has passed through said first seal part, wherein said sealing device is configured to permit the fluid to pass inward in the radial direction through the spaces between said plurality of guide parts.