Two-cycle internal combustion engine

Details Two-cycle internal combustion engine Two-cycle internal combustion engine

1997-12-09

1999-06-22

McMahon, Marguerite

Internal-combustion engines

Two-cycle

Rear compression

F02M 2900, B27B 1700

Patent

active

059132914

ABSTRACT:
A two-cycle internal combustion engine including a carburetor, a crankcase provided with a crank chamber and a suction port, an insulator attached to the crankcase and provided with a suction passage for introducing the air-fuel mixture from the carburetor to the suction port, and a reed valve whose proximal end portion is fixed to the insulator so as to allow a free end portion thereof to be optionally press-contacted with the downstream side end face of the insulator, wherein the downstream side end face of the insulator is slanted by a predetermined angle, while the suction port is contiguously connected with the slanted downstream side end face of the insulator without substantially forming a stepped portion therebetween.

REFERENCES:
patent: 4682571 (1987-07-01), Kaufman et al.
patent: 4770131 (1988-09-01), Tuckey
patent: 5699761 (1997-12-01), Yamaguchi et al.

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