Piston for internal combustion engines and the like

Details Piston for internal combustion engines and the like Piston for internal combustion engines and the like

1985-11-21

1987-12-22

Look, Edward K.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92221, 92255, 92258, F16J 104

Patent

active

047140089

ABSTRACT:
An improved piston for operation within a cylinder. The piston includes a main piston body having a primary cylindrical surface, a first end, and a secondary surface of smaller diameter, the secondary surface of smaller diameter is disposed between the primary cylindrical surface and the first end. At least one piston ring is disposed and captured in an operational position about the secondary surface of the piston body by a releasably mounted cap positioned on the first end of the piston body.

REFERENCES:
patent: 1460535 (1923-07-01), Davies
patent: 2069437 (1937-02-01), Frank
patent: 2208898 (1940-07-01), Eichelberger
patent: 2328439 (1943-08-01), Esnault-Pelterie
patent: 2615769 (1952-10-01), Barnes et al.
patent: 3007723 (1961-11-01), Clarke
patent: 3136306 (1964-06-01), Kamm
patent: 3327593 (1967-06-01), Ciaccia
patent: 3398653 (1968-08-01), Foster
patent: 3466054 (1969-09-01), Berg
patent: 4268042 (1981-05-01), Borlan
patent: 4485728 (1984-12-01), Bando

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