Reinforced pistons

Details Reinforced pistons Reinforced pistons

1985-04-25

1987-07-14

Look, Edward K.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92213, 92222, 92224, F16J 101

Patent

active

046794930

ABSTRACT:
A reinforced piston is provided for an internal combustion engine. The uppermost piston ring groove is as close as possible to the crown of the piston. At least the lower surface of the groove is defined by an en-cast insert and overlying this is a portion of the crown reinforced by fibres, thus allowing this portion to be thin and the spacing between the ring groove and the upper surface of the crown to be minimized. The reinforced crown portion also holds the insert against axial separating movement. The crown can be provided with a combustion bowl whose entrance is reinforced by the fibres.

REFERENCES:
patent: 3149409 (1964-09-01), Maruhn
patent: 4074616 (1978-02-01), Gale et al.
patent: 4387627 (1983-06-01), Avezou
patent: 4450610 (1984-05-01), Schaper
patent: 4498219 (1985-02-01), Ban et al.
patent: 4535683 (1985-08-01), Dworak et al.
patent: 4548126 (1985-10-01), Donomoto et al.

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