Structure for facilitating starting and warming of internal comb

Details Structure for facilitating starting and warming of internal comb Structure for facilitating starting and warming of internal comb

1982-04-12

1984-01-24

Cuchlinski, Jr., William A.

Internal-combustion engines

Starting device

For airplane

123 3, 123549, 123557, 261142, F02M 108

Patent

active

044269625

ABSTRACT:
A structure for facilitating the starting and warming of an internal combustion engine provided with a carburetor in its intake passage. A side passage which is separate from the intake passage by-passes a throttle valve in the carburetor is connected to the intake passage. A fuel nozzle capable of injecting fuel into the side passage and a control valve adapted to open and close the side passage are also provided. A heating chamber is formed in the side passage on the downstream side of the control valve. A heating element adapted to heat a gaseous mixture generated in the side passage to turn the gaseous mixture into a combustible gaseous mixture is accommodated in the heating chamber. The structure may further include a heat insulating member inserted between the heating chamber and carburetor and/or intake passage. Further, the structure may include a secondary air passage, a fuel injection unit for injecting fuel into the heating chamber and a catalytic converter in the heating chamber.

REFERENCES:
patent: 2087792 (1937-07-01), Beals
patent: 3975468 (1976-08-01), Tuckey
patent: 3978836 (1976-09-01), Noguchi et al.
patent: 4387676 (1983-06-01), Coucerro

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