Timed priming system with temperature override

Details Timed priming system with temperature override Timed priming system with temperature override

1985-08-01

1987-06-09

Dolinar, Andrew M.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123180E, 123180T, F02M 110

Patent

active

046712259

ABSTRACT:
The two cycle engine has a combustion chamber supplied with primary fuel for normal operation. An electrically operated priming system delivers fuel in addition to the primary fuel. A control regulates energization of the priming system. A momentary switch energizes the priming system when the switch closes and enables the control when the switch opens. The control causes the priming system to operate a predetermined period of time after the control is enabled but is subject to override by a switch responsive to engine temperature. Thus the priming system is shut down by the temperature responsive switch when engine temperature exceeds a predetermined value. The timing function of the control is provided by an integrated circuit chip wired as a timer. When the engine is started the timer chip is reset to zero and the timer starts timing when the momentary switch opens.

REFERENCES:
patent: 3704702 (1972-12-01), Aono
patent: 3716034 (1973-02-01), Schmid
patent: 3827417 (1974-08-01), Morita
patent: 4284040 (1981-08-01), Baltz et al.
patent: 4441467 (1984-04-01), Powell

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