The scroll type fluid displacement apparatus of the type the present invention is a "hanging Scroll" structure. The side wall of the equipment in the double helical working scroll, on both sides of the opposite end of the plate. The suspension type scroll, is in a balance state of good dynamics in the radial direction and the axial direction of the double scroll work. A half compliance or exercise full compliance both radial both axial direction, maintaining the minimum contact tension between the components, and to ensure good sealing properties, is applied to the high rotational speed, high-efficiency scroll member, a low-wear I realize low power consumption. Is the crank shaft (and vicinity slide knuckle) crank shaft of one, slide knuckle structure provides a compliance exercise capacity in the radial direction to scroll the double working. The synchronizer of one, there is a function that synchronizes the azimuth angle around the crankshaft of the three, to prevent jamming in the start-up or during operation of the mechanism.
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