Cast piston with fiber-reinforcement

Details Cast piston with fiber-reinforcement Cast piston with fiber-reinforcement

1985-07-31

1987-05-05

Feinberg, Craig R.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

123668, 123270, F02B 7598, F02B 7702

Patent

active

046623264

ABSTRACT:
In a plunger piston of aluminum for internal combustion engines the margin of the combustion chamber trough arranged in the piston crown is fiber-reinforced. The proportion of fibers in the basic material to be reinforced varies over the circumference of the combustion chamber trough margin. The marginal zone in the vicinity of the bolt axis (B) here possesses a higher fiber proportion than the trough margin zone adjoining the connecting rod oscillation plane (A). In this way a good temperature change stability of the marginal material is achieved in the zone adjoining the connecting rod oscillation plane (A) and a good fatigue strength is achieved in the zone adjoining the bolt axis (B).

REFERENCES:
patent: 3424137 (1969-01-01), Guertler
patent: 4341826 (1982-07-01), Prewo et al.
patent: 4488522 (1984-12-01), Jones
patent: 4495684 (1985-01-01), Sander et al.
patent: 4548126 (1985-10-01), Donomoto et al.

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