Piston for internal combustion engine

Details Piston for internal combustion engine Piston for internal combustion engine

1989-08-07

1990-11-13

Dolinar, Andrew M.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

92186, F02F 300

Patent

active

049694332

ABSTRACT:
A piston for a reciprocating machine such as an internal combustion engine that has a pair of piston pin bosses that are defined by parallel surfaces that are adapted to engage and confine a connecting rod therebetween. Lubricant recesses are formed in the bosses and extend from the bore to an area where they can receive lubricant.The recesses are such that the bearing surfaces of the bosses subtends an arc greater than 180.degree..

REFERENCES:
patent: 2742883 (1956-04-01), Smith
patent: 3204617 (1963-09-01), Hulbert
patent: 3613521 (1971-10-01), Itano
patent: 4011797 (1977-03-01), Cornet
patent: 4013057 (1977-03-01), Guenther
patent: 4026197 (1977-05-01), Lapke et al.
patent: 4129108 (1978-12-01), Elsbett et al.
patent: 4342291 (1982-08-01), Lewis
patent: 4517930 (1985-05-01), Nakano et al.
patent: 4644853 (1987-02-01), Russell et al.

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