Patent ID: 8047823
Filing Date: 2011-11-01
Classification: F04C

Abstract:
1. A scroll-type fluid machine comprising: a fixed scroll that is fixed in a housing with an intake port and a discharge port; a movable scroll that forms pressure chambers in between the movable and fixed scrolls and is orbitable relative to the fixed scroll; a support wall that is provided for the housing and supports thrust load transmitted from the movable scroll; and a thrust-receiving device that is disposed in between the movable scroll and the support wall, the thrust-receiving device including: a ring-shaped support face formed in the support wall, a retention plate fixed onto the support face, a retention hole that is formed in the retention plate and opens into both faces of the retention plate, and a pressure-receiving piece that is retained in the retention hole and comes into surface contact with both the support face and the movable scroll, wherein a planar shape of the retention hole matches a planar shape of the pressure-receiving piece such that the pressure-receiving piece is fitted in the retention hole and retained by the retention plate.