Continuous combustible gas injection into conventionally fueled

Details Continuous combustible gas injection into conventionally fueled Continuous combustible gas injection into conventionally fueled

1993-04-28

1995-04-25

Cross, E. Rollins

Internal-combustion engines

Burning by highly compressed air

Oil engine air preheated

123526, F02B 300

Patent

active

054089573

ABSTRACT:
Liquefied petroleum gas (propane), natural gas, hydrogen gas, or the like, is continuously injected at substantially constant pressure into the air intake manifold, or air induction system, of a conventional internal combustion engine, the engine being electronically, or mechanically, controlled to adjust the air to liquid fuel mixture to a optimum value. The engine may use liquid gasoline, methanol, diesel, or any other, primary fuel. When retrofitted to a conventional 2 or 4 stroke, spark or compression ignited engine, the gaseous fuel preferable is supplied from a reservoir where it is stored in liquefied or compressed form through an appropriate pressure control valve to a pipe T installed in the crankcase ventilation pipe. The supply of gaseous fuel is controlled by an ON-OFF solenoid valves which are only operated when the alternator or generator of the engine is running and the engine has attained a predetermined temperature. A thermostatic switch in series between the generator and the solenoid valves and located in the lower radiator flow pipe may be employed for this purpose. The pressure of the gas supplied to the engine is adjusted at idle with the engine at normal temperature. The pressure is set between pressures at which the engine runs rough and pollutes excessively.

REFERENCES:
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patent: 4450821 (1984-05-01), Venning et al.
patent: 4541397 (1985-09-01), Young
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patent: 4641625 (1987-02-01), Smith
patent: 4909209 (1990-03-01), Takahasi
patent: 5092305 (1992-03-01), King

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