F - Mech Eng,Light,Heat,Weapons – 02 – F
Patent
F - Mech Eng,Light,Heat,Weapons
02
F
F02F 11/00 (2006.01) F02F 1/16 (2006.01) F02F 1/24 (2006.01) F02B 3/06 (2006.01)
Patent
CA 2167796
A thermally conductive sealing system for the cylinder head joint (11) of an internal combustion engine (10) is disclosed comprising a spacer plate (24) clamped in direct contact between the cylinder head (12) and the cylinder block (14) and a plurality of discrete fluid gaskets (67, 70) disposed across the spacer plate (24) and clamped between the cylinder head (12) and cylinder block (14). The flange (22) of a cylinder liner (18) is received in a bore (26) of the spacer plate (24) and a combustion gas seal or "fire ring" (32) is clamped in the bore (26) between the cylinder head (12) and the cylinder liner flange (22). The combustion gas seal (32) includes a malleable sealing ring (42) for sealing between the cylinder head (12) and the cylinder liner (18) and a hardened backing ring (44) for supporting the sealing ring (42). The plurality of discrete fluid gaskets (67, 70) includes a removable lifter compartment gasket (70) including sealing elements (78, 80) attached across a substrate (71) and a plurality of coolant ferrules (67) for sealing across coolant ports (60, 62) and around cylinder head bolts (16).
Un système d'étanchéité thermoconducteur d'un joint de culasse (11) d'un moteur à combustion interne (10) comprend une plaque d'écartement (24) fixée en contact direct entre la culasse (12) et le bloc cylindre (14) et une pluralité de joints d'étanchéité aux fluides (67, 70) individuels, placés dans la plaque d'écartement (24) et fixés entre la culasse (12) et le bloc cylindre (14). Le rebord (22) d'une chemise (18) du cylindre est logé dans un alésage (26) de la plaque d'écartement (24) et un joint d'étanchéité aux gaz de combustion ou "bague résistant à la combustion" (32) est fixé dans l'alésage (26) entre la culasse (12) et le rebord (22) de la chemise du cylindre. Le joint d'étanchéité (32) aux gaz de combustion comprend une bague d'étanchéité malléable (42) qui assure l'étanchéité entre la culasse (12) et la chemise (18) du cylindre, et un anneau d'appui durci (44) soutient la bague d'étanchéité (42). La pluralité de joints d'étanchéité aux fluides (67, 70) individuels comprend un joint amovible d'un compartiment souleveur (70) comportant des éléments d'étanchéité (78, 80) fixés dans un substrat (71), et une pluralité de frettes (67) assurant l'étanchéité au niveau des orifices (60, 62) par lesquels passe le liquide de refroidissement ainsi qu'autour des vis (16) de culasse.
Bock Allyn P.
Ward Lloyd A.
Caterpillar Inc.
Kirby Eades Gale Baker
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