F - Mech Eng,Light,Heat,Weapons – 01 – L
Patent
F - Mech Eng,Light,Heat,Weapons
01
L
F01L 7/16 (2006.01) F01L 7/02 (2006.01) F01L 7/10 (2006.01) F16J 15/34 (2006.01)
Patent
CA 2474598
A ceramic composite valve seal for a rotary valve assembly for use in internal combustion engines having rotary intake valves and rotary exhaust valves which have a spherical peripheral surface, the valve seal being of two-piece construction surrounding the intake or exhaust port and having an upper surface designed to contact the peripheral surface of the rotary valve, the two-piece construction defining a channel whereby compressed gases exert additional pressure on the seal enhancing the sealing contact between the seal and the valve.
L'invention concerne un joint de soupape composite en c~ramique pour un ensemble soupape rotative destin~ ~ Útre utilis~ dans des moteurs ~ combustion interne ~quip~s de soupapes d'admission rotatives et de soupapes d'~chappement rotatives pr~sentant une surface p~riph~rique sph~rique, le joint de soupape ~tant fait de deux ~l~ments entourant l'orifice d'admission ou d'~chappement et pr~sentant une surface sup~rieure destin~e ~ venir en contact avec la surface p~riph~rique de la soupape rotative, la configuration des deux ~l~ments d~finissant un canal permettant aux gaz comprim~s d'exercer une pression suppl~mentaire sur le joint, am~liorant ainsi le contact d'~tanch~it~ entre le joint et la soupape.
Coates George J.
Mcfadden Fincham
LandOfFree
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