Fluid-cooled rotary piston for wankel-type mechanism

Details Fluid-cooled rotary piston for wankel-type mechanism Fluid-cooled rotary piston for wankel-type mechanism

F - Mech Eng,Light,Heat,Weapons

02

B

171/92

F02B 55/04 (2006.01)

Patent

CA 1054523

ABSTRACT The fluid-cooled rotary piston for a Wankel-type mechanism has a plurality of intersecting flank surfaces to form a multi-sided profile and a hub portion by which it is supported for rotation on a mainshaft. The rotary piston also has a closed-loop passageway for each flank surface extending in close spaced relation to the side faces of the rotor and the intersection of the flank surfaces. An inlet passage is provid- ed for each closed-loop passageway to conduct to the latter, as the rotary piston rotates, pressurized cooling fluid from a source thereof. An outlet passage is provided for each close- loop passageway to conduct heated cooling fluid from the latter to an area adjacent the hub portion. The outlet passage may be provided with a restricted flow area to insure that the asso- ciated closed-loop passageway is maintained full of cooling fluid.

272300

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