Transfer port duct for two-stroke engines

Details Transfer port duct for two-stroke engines Transfer port duct for two-stroke engines

1980-06-19

1981-12-22

Burns, Wendell E.

Internal-combustion engines

Two-cycle

Rear compression

123 65PD, 123 73PP, 123 73A, F02B 3304

Patent

active

043065228

ABSTRACT:
A transfer duct construction for a two-stroke engine cylinder in which a transfer port in the cylinder wall has a side wall that is perpendicular to the parting line along which the cylinder is cast; a transfer port cover extends over the transfer port and includes an inner end wall having an inclined surface positioned adjacent the perpendicular side wall of the port to direct a fresh fuel-air charge away from an exhaust port.

REFERENCES:
patent: 825835 (1906-07-01), Holloway
patent: 1145208 (1915-07-01), Muzzy
patent: 1443517 (1923-01-01), Acre
patent: 2146919 (1939-02-01), Stihl
patent: 2516031 (1950-07-01), Talvio
patent: 3494335 (1970-02-01), Meier
patent: 3730149 (1973-01-01), Brown
patent: 3815558 (1974-06-01), Tenney
patent: 4088098 (1978-05-01), Rose et al.
patent: 4194470 (1980-03-01), Magner

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