Engine valving and porting

Details Engine valving and porting Engine valving and porting

1975-06-11

1977-10-04

Dority, Jr., Carroll B.

Internal-combustion engines

Two-cycle

Rear compression

123 73PP, 123 73R, F02B 3304

Patent

active

040518205

ABSTRACT:
A two-cycle crankcase compression internal combustion engine having extended and specially positioned intake porting and reed-type intake valves, with the porting and valves arranged to improve various of the operating characteristics of the engine.

REFERENCES:
patent: 3107659 (1963-10-01), Steinlein et al.
patent: 3374776 (1968-03-01), Hooper
patent: 3382857 (1968-05-01), Foster
patent: 3494335 (1970-02-01), Meier
patent: 3687118 (1972-08-01), Nomura
patent: 3695240 (1972-10-01), Cookson
patent: 3805750 (1974-04-01), Tenney
patent: 3905340 (1975-09-01), Boyesen
patent: 3905341 (1975-09-01), Boyesen

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