Light alloy pistons with reinforcing inserts for the piston pin

Details Light alloy pistons with reinforcing inserts for the piston pin Light alloy pistons with reinforcing inserts for the piston pin

1987-11-16

1989-05-23

Garrett, Robert E.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92187, F16J 116, F16J 102, F16J 101

Patent

active

048319180

ABSTRACT:
In a light alloy piston for internal combustion engines, a fibrous insert body is embedded in the cast material adjacent to each of the bosses defining the piston pin bores. In order to minimize the costs of manufacturing such piston, the fibrous body extends only above the horizontal plane which includes the piston pin axis between that plane and the piston head and on both sides of the plane which includes the piston pin axis and the piston axis extends over not more than the load-carrying length of the boss defining the piston pin bore.

REFERENCES:
patent: 2035692 (1936-03-01), Dietrich
patent: 3324772 (1967-06-01), Wittstock
patent: 3564575 (1971-02-01), Catherall
patent: 4498219 (1985-02-01), Ban et al.
patent: 4548126 (1985-10-01), Donomoto et al.
patent: 4643078 (1987-02-01), Ban
patent: 4679493 (1987-07-01), Munro et al.
patent: 4694735 (1987-09-01), Tatematsu et al.

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