F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/61, 230/63
F04B 1/20 (2006.01) F01B 3/00 (2006.01)
Patent
CA 1087454
ABSTRACT OF THE DISCLOSURE A rotary fluid energy translating device having reduced noise levels and having a rotatable cylinder block with a plurality of cylinders therein and each having a movable piston, valve means having inlet and outlet port means adapted to serially connect with the cylinders and also having a pair of cross-over areas positioned to block a cylinder from simultaneous communication with the inlet and outlet port means and with the pistons within the cylinders adjacent one cross-over area positioned to provide a small fluid volume in the associated cylinders and positioned to provide a large fluid volume in the cylinders adjacent the other cross-over area. Each cross-over area has at least one trapped fluid chamber, with a restricted flow passage positioned to communicate with a cylinder and a piston is positioned in each of the trapped fluid chambers and movable to positions to vary the volume of the chamber. Pilot lines extended to the port means and associated one with each trapped fluid chamber are operable to control the position of the pistons in the trapped fluid chambers to have a small volume chamber when an adjacent cylinder of the cylinder block has a small fluid volume and to have large volume trapped fluid chamber when an adjacent cylinder of the cylinder block has a large fluid volume.
300529
George H. Riches And Associates
Sundstrand Corporation
LandOfFree
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