Patent ID: 6179590
Filing Date: 2001-01-30
Classification: F01C,F04C

Abstract:
A scroll fluid apparatus of a rotating drive/driven scroll type comprising:a drive scroll and a driven scroll, the drive and driven scrolls including opposing scroll plates and being driven in a respective housing such that wraps thereof compress fluid and discharge compressed fluid to the outside,a scroll adjustment mechanism for adjusting engagement between the wraps and the opposing scroll plates,the drive scroll being mounted on a scroll mounting member, which in turn is secured to a rotary shaft,a bearing fitted to the outer periphery of the scroll mounting member, the outer periphery of the bearing being secured to the housing of the drive scroll so that the scroll mounting member rotates together with the rotary shaft and the drive scroll, anda bearing retainer secured to the housing of the drive scroll which urges the bearing against the housing in a thrust direction,wherein the housing of the drive scroll is disposed between the bearing retainer and a rear surface of the drive scroll plate and is provided with an elastically displaceable member such that urging the bearing against the housing of the drive scroll elastically displaces the member in a thrust direction, and the drive scroll is made adjustable in the thrust direction.