Engine selectively utilizing hybrid thermodynamic combustion cyc

Internal-combustion engines – Noncompression

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123 32G, F02B 1910

Patent

active

039969150

ABSTRACT:
An engine is disclosed incorporating a block means defining a plurality of cylinder chambers for containing reciprocating pistons that are coupled to provide output drive power. Means are incorporated in the block means for valving the cylinder chambers to provide pumping flow. Additionally, means are provided for selectively burning fuel in said cylinder chambers at variable time intervals in accordance with demands for drive power. A variable number of elemental charges of fuel may be injected and ignited during selected cycles of each cylinder in accordance with the immediate demand for power. Admission of air is unrestricted during the intake strokes to result in combustion with an abundance of air. An initially-lean mixture is compressed and the flame to consume it is generated by spark-ignition of an elemental charge of vaporized fuel which is the last to be injected in the combustion chamber. An electronic digital control system is disclosed which is responsive to a manually-indicated power demand and to motion patterns of the engine to achieve selective injection and subsequent combustion of fuel for efficient and smooth operation of the engine. As disclosed, the engine is embodied in a form similar to conventional internal-combustion engines to stress the ease of construction and of possible conversion of existing engines to the system of the present invention.

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