F - Mech Eng,Light,Heat,Weapons – 02 – F
Patent
F - Mech Eng,Light,Heat,Weapons
02
F
F02F 11/00 (2006.01) F16J 15/12 (2006.01)
Patent
CA 2216391
A combustion seal for a cylinder head gasket of an internal combustion engine includes a corrugated rigid carrier having a radially extending base portion, the radially innermost peripheral edge defining a portion of a cylinder bore opening, and three channels defined radially inwardly of the base portion and radially outwardly of the inner peripheral edge. The radially innermost and outermost channels open in a first axial direction while the channel disposed between them opens in the opposite axial direction. An elastomeric ring is received in all but the radially outermost channel, first face of the rings in facial contact with a root of the channel and an opposing second face defined outwardly of the channels when the seal is in a relaxed state. When the gasket is installed, the elastomeric rings elastically compress to become generally flush with the walls of the channel in which they are received.
Cette invention concerne un joint d'étanchéité annulaire de culasse de moteur à combustion interne, qui comprend un support annulaire rigide ondulé dont la rive intérieure délimite une partie de l'alésage du cylindre et qui comporte trois gorges annulaires. Les gorges intérieure et extérieure s'ouvrent dans une direction axiale tandis que la gorge intermédiaire s'ouvre dans la direction opposée. Un anneau en élastomère est placé dans toutes les gorges sauf la gorge extérieure, une face de l'anneau reposant contre le fond de la gorge et l'autre face étant en saillie lorsque le joint n'est pas comprimé. Mis en place, le joint de couvre-culasse comprime les anneaux élastomères de façon qu'ils affleurent au sommet de la gorge dans laquelle ils sont placés.
Dana Corporation
Ridout & Maybee Llp
LandOfFree
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