Fluid engine

Details Fluid engine Fluid engine

F - Mech Eng,Light,Heat,Weapons

01

B

121/33

F01B 23/02 (2006.01) A63H 29/16 (2006.01) F01B 17/02 (2006.01) F01L 21/00 (2006.01) F02B 75/34 (2006.01)

Patent

CA 1108488

ABSTRACT OF THE DISCLOSURE The invention provides a fluid engine comprising; a housing having a fluid input cavity, a fluid delivery cavity adjacent said fluid input cavity and separated therefrom by a wall having a valve opening therein, and an open-ended exhaust cavity adjacent said fluid delivery cavity and being separated therefrom by a wall having an exhaust opening therein, said valve opening being substantially coaxial with said exhaust opening; an elongated valve element movably disposed in said exhaust cavity, said valve element having a first portion with smaller cross-sectional dimensions than the cross-sectional dimensions of said exhaust opening and a second portion with cross-sectional dimensions substantially conforming to the cross- sectional dimensions of said exhaust opening; a drive shaft rotatably mounted on said housing; an elongated hollow member mounted on said housing; a piston member movably mounted within said cylinder member to define a piston cavity, said piston being movable between a first position wherein said piston cavity has minimum volume and a second position wherein said piston cavity has maximum volume; fluid input port means for allowing continuous fluid communication between a fluid source and said fluid input cavity; fluid delivery means for allowing continuous fluid communication between said fluid delivery cavity and said piston cavity; valve means for controlling fluid flow between said fluid input cavity and said fluid delivery cavity through said valve opening; and means operationally connecting said piston member to said drive shaft and said elongated valve element for moving said elongated valve element toward said fluid input cavity to close said exhaust opening and open said valve means allowing fluid communication through said valve opening when said piston member moves toward its second position, said means additionally moving said elongated valve element away from said fluid input cavity to open said exhaust opening and close said valve means discontinuing fluid communication through said valve opening when said piston member moves towards its first position,

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