Seal grid system for a rotary piston mechanism

Details Seal grid system for a rotary piston mechanism Seal grid system for a rotary piston mechanism

F - Mech Eng,Light,Heat,Weapons

01

C

171/91

F01C 19/00 (2006.01) F01C 1/22 (2006.01) F02B 53/00 (2006.01)

Patent

CA 1097225

ABSTRACT The Seal grid system for a rotary piston mechanism of the Wankel type comprises apex seal blades, a conventional side seal assembly consisting of side seal stripe and button or seal pins carried on one side face of the rotary piston and a sealing surface portion or rib projecting axially from the other side face of the rotary piston and extending end- lessly around the rotor face. The seal surface portion is spaced radially inwardly from the peripheral surfaces of the rotary piston to expose a portion of the other side face to the pressurized gases in the working chambers so that the axial forces on each of the side faces of the rotary piston are at least in part counter-balanced.

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