Pistons with combustion bowl inserts

Details Pistons with combustion bowl inserts Pistons with combustion bowl inserts

1982-08-02

1985-01-22

Feinberg, Craig R.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

123193P, 123668, 123669, F01P 104

Patent

active

044945019

ABSTRACT:
A piston for an internal combustion engine comprises a piston body of aluminium or aluminium alloy and an insert of a ferrous material having a combustion bowl formed therein. The insert is surrounded by the piston body and the outer surface of the insert and the adjacent surface of the piston body are spaced apart at the crown ends thereof to form an annular gap therebetween which opens onto the crown. This insulates the piston body from the insert.

REFERENCES:
patent: 2513492 (1950-07-01), Kleinfeld
patent: 4018194 (1977-04-01), Mitchell et al.
patent: 4270494 (1981-06-01), Garter et al.

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