Piston with ceramic load-transmitting pads

Details Piston with ceramic load-transmitting pads Piston with ceramic load-transmitting pads

1992-07-27

1993-03-16

Denion, Thomas E.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92222, 92224, 1231936, F16J 900

Patent

active

051934353

ABSTRACT:
A piston comprises a crown (12) and a skirt (20). At least a portion of the skirt (20) is formed of a ceramic material injection moulded directly on to the remainder of the skirt (20) or the crown (12). The ceramic material provides a plurality of pads (24) which projects from a thrust surface of the skirt (20) to transmit lateral forces against a wall of an associated cylinder.

REFERENCES:
patent: 4306489 (1981-12-01), Driver et al.
patent: 4440069 (1984-04-01), Holtzberg et al.
patent: 4466399 (1984-08-01), Hinz et al.
patent: 4548125 (1985-10-01), Huther

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