Supercharged engine

Details Supercharged engine Supercharged engine

1987-11-27

1990-09-25

Dolinar, Andrew M.

Internal-combustion engines

Four-cycle

Having subcharger associated with the cylinder

1235591, 123 9015, F01L 134, F02D 3908

Patent

active

049586068

ABSTRACT:
A supercharged engine has a geometric compression ratio of more than 8.5, and engine specifications are set to establish a relation, Y.gtoreq.-1.75X+10, in which an intake port closing timing Y is expressed by a crank angle after the piston reaches BDC and an overlapping angle X is expressed by a crank angle for an overlapping time period during which the intake valve and exhaust valve are both open.

REFERENCES:
patent: 2266077 (1941-12-01), Roan
patent: 2997991 (1961-08-01), Roan
patent: 3015934 (1962-01-01), Miller
patent: 4106471 (1978-08-01), Nakajima et al.
patent: 4327676 (1982-05-01), McIntire et al.
patent: 4539815 (1985-09-01), Garcea

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