Patent ID: 8967988
Filing Date: 2015-03-03
Classification: F01C,F16J

Abstract:
1. A rotor for a rotary internal combustion engine comprising: a body having first and second axially spaced apart end faces, and a peripheral face extending between the end faces and defining at least three circumferentially spaced apex portions, the first and second end faces each having a groove defined therein between each of the apex portions and each adjacent one of the apex portions, the grooves of the first and second end faces being disposed adjacent to and radially inwardly of the peripheral surface of the rotor; an apex seal assembly at each of the apex portions, the assembly including at least a first apex seal element protruding axially from the first end face and biased axially outwardly away therefrom and a second apex seal element protruding axially from the second end face and biased axially outwardly away therefrom, the first and second apex seal elements protruding radially from the peripheral face of the body and being biased radially away therefrom; a first face seal located in each groove of the first end face and extending between adjacent ones of the apex portions, each first face seal being biased axially outwardly away from the first end face, each first face seal having opposed curled ends each abutting the first apex seal element of a respective one of the adjacent apex portions; and a second face seal located in each groove of the second end face and extending between adjacent ones of the apex portions, each second face seal being biased axially outwardly away from the second end face, each second face seal having opposed curled ends each abutting the second apex seal element of a respective one of the adjacent apex portions.