Insulated seal for engines

Details Insulated seal for engines Insulated seal for engines

1975-01-15

1976-06-29

Vrablik, John J.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

418123, 418178, 277195, 277198, F01C 2106, F01C 1904, F16J 912

Patent

active

039663680

ABSTRACT:
An internal combustion engine including improved seals with longer wearing capability. The engine includes a housing having an interior wall defining a combustion chamber and a member movable within the housing, the member being subjected to hot gases of combustion. A sealing device is mounted on the member for movement therewith and establishes a seal between the member and the interior wall. The improved seal embodies at least one insulating member carried by the seal and in relation to resist heat transfer of heat from hot gases of combustion to the seal so that the seal will run at a cooler operating temperature to reduce wear. The invention may be employed in either reciprocating engines or rotary engines.

REFERENCES:
patent: 899985 (1908-09-01), Huhn
patent: 3672798 (1972-06-01), Scherenberg
patent: 3853438 (1974-12-01), Sato

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