Patent ID: 8366424
Filing Date: 2013-02-05
Classification: F01C,F04C

Abstract:
1. A rotary fluid machinery comprising: a fixed member; a drive shaft driven and rotated about a predetermined rotation axis; a movable member rotatably mounted at the drive shaft with a center of the movable member being eccentrically disposed relative to the rotation axis, with the movable member and the fixed member being arranged and configured to form a fluid chamber therebetween that changes volume in response to revolving movement of the movable member; a movable member support part having a part engaging with the movable member to limit rotation of the movable member during revolving movement of the movable member; and a reverse moment generating mechanism including a revolution body rotatably mounted at the drive shaft with a center being eccentrically disposed relative to the rotation axis and configured to generate a moment in a reverse direction about the rotation axis relative to a moment about the rotation axis caused by the rotation of the movable member during revolving movement of the revolution body.