Engine piston with insulated combustion chamber

Details Engine piston with insulated combustion chamber Engine piston with insulated combustion chamber

1975-01-06

1977-04-19

Burns, Wendell E.

Internal-combustion engines

Noncompression

123 32J, 123 4135, 123193P, F02B 300

Patent

active

040181944

ABSTRACT:
Piston for an internal combustion engine having an upper face which forms a part of an expandable combustion chamber. The piston is provided with a cavity or deep depression formed in the upper face to promote fuel-air mixing as well as to improve the combustion process within said combustion chamber. The cavity is formed within a cup-like insert member, so positioned within the piston body that the cup-like insert is substantially spaced or insulated from the piston body, thereby avoiding or minimizing heat loss to the piston walls.

REFERENCES:
patent: 1926499 (1933-09-01), Ricardo
patent: 2868181 (1959-01-01), Dolza
patent: 3221722 (1965-12-01), Bachle
patent: 3259116 (1966-07-01), Bricout
patent: 3398726 (1968-08-01), Bricout
patent: 3545341 (1970-12-01), Fischer

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