Rotary piston engine piston having an internal seal

Details Rotary piston engine piston having an internal seal Rotary piston engine piston having an internal seal

F - Mech Eng,Light,Heat,Weapons

01

C

171/91

F01C 19/02 (2006.01) F01C 19/08 (2006.01)

Patent

CA 1061719

ROTARY PISTON ENGINE PISTON HAVING AN INTERNAL SEAL ABSTRACT OF THE DISCLOSURE Internal seal for the piston of a rotary piston engine. The seal includes a slide ring with an annular scraping edge of L-shaped cross-section with an axial flange and a flange extending radially outward. The slide ring includes an axially extending ring with one face together with its inner periphery forming the scraping edge. The slide ring includes a radially extending ring with its inner periphery shrunk onto the outer periphery of the axial ring near the one face. The axial ring consists of a material having a smaller coefficient of heat expansion than the radial ring.

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