F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
103/74, 230/87
F04C 2/00 (2006.01) F04C 2/10 (2006.01)
Patent
CA 1070169
FLUID ACTUATED DEVICE Abstract of the Disclosure A fluid actuated device of the type wherein the con- trolled supply and discharge of fluid medium actuates a member for movement through an orbital path in which the flow of the fluid medium is controlled solely by a valve structure rotat- ing in synchronism with a member rotatively driven by said orbitably moving member and which control selectively permits the supply of fluid medium to bypass the orbitably movable member. Fluid actuated devices utilizing an orbital member are well known and one type of such device is commonly referred to as orbit motors. Prior orbit motors have employed various structures to control the supply and discharge of fluid medium which have required a number of cooperable members to be precision machined to obtain the tolerances necessary to permit operation of the motor. With such precision components the prior motors have been limited to utilizing high quality lubricating fluid to obtain reasonable motor life. Further the output of such prior motors has been limited for a given set of components and different sets of precision component are required to obtain a range of power outputs for the orbit motor. Also various designs of such prior orbit motors have required that various portions of the enclosing housing and various internal components be exposed to the pressure of the supply fluid which due to the higher pressure involved has required that the housings and components be sectioned to withstand such higher pressure. Still other types of fluid actuated devices utilizing an orbital member such as pumps are well known and have the same disadvantages as set forth above. -1-
282899
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