Piston ring with expander for internal combustion engine

Details Piston ring with expander for internal combustion engine Piston ring with expander for internal combustion engine

1980-05-27

1983-05-24

Feinberg, Craig R.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

92177, 277160, 277217, F16J 159

Patent

active

043845541

ABSTRACT:
A piston ring for use with an oblong piston and cylinder has a gap at one end. A resilient corrugated expander is positioned behind the piston ring and within the piston ring groove in the piston. The expander also has a gap and the two gaps are adjacent each other and in close alignment.

REFERENCES:
patent: 1747306 (1930-02-01), Kolodziej
patent: 1869108 (1932-07-01), Marien
patent: 2257417 (1941-09-01), Kelley
patent: 2409555 (1946-10-01), Gadoux et al.
patent: 2562675 (1951-07-01), Mayfield
patent: 4198065 (1980-04-01), Fukui
patent: 4256067 (1981-03-01), Fukui
patent: 4266787 (1981-05-01), Fukui

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