Fiber-reinforced piston ring for internal combustion engine

Details Fiber-reinforced piston ring for internal combustion engine Fiber-reinforced piston ring for internal combustion engine

1989-02-23

1990-07-17

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277235A, 277DIG6, 428611, 428614, F16J 920, F16J 922

Patent

active

049416693

ABSTRACT:
A fiber-reinforced piston ring for an internal combustion engine comprised of composite body of reinforcing fiber which is long carbon fibers oriented in a peripheral direction of the piston ring and having a fiber volume fraction in a range of 5% to 60% in a matrix of an aluminum alloy. In alternate embodiments the composite body is provided with a layer of aluminum alloy, or a hard layer for wear resistance, or a combination of an aluminum alloy layer and a hard layer.

REFERENCES:
patent: 3871834 (1975-03-01), Kuniya et al.
patent: 4106782 (1978-08-01), Hyde et al.
patent: 4359230 (1982-11-01), Bruni

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