Power plants – Internal combustion type free piston device supplies motive...
Patent
1978-11-06
1980-06-03
Koczo, Michael
Power plants
Internal combustion type free piston device supplies motive...
123 46A, F02B 7100
Patent
active
042055288
ABSTRACT:
A fuel injected free piston-turbine heat engine wherein a piston moves reciprocally within a cylinder to deliver gases to an impulse turbine powering a fan-scavenged two-stroke cycle operation of said piston, there being a low compression storage chamber of substantial volume normally open into the cylinder and closed by upward movement of the piston to withhold gases at combustion supporting temperature, there being a high compression auto ignition chamber of limited volume comprising the upper portion of the cylinder and isolated from said low compression chamber by said piston closure thereof for continued compression of combustion supporting gases by said piston movement to auto ignition temperature, and there being constant volume fuel injection means for injecting fuel at high pressure into the auto ignition chamber and at a progressively diminishing rate as the first mentioned storage chamber is re-opened and as the cylinder pressure decreases during the effective power stroke.
REFERENCES:
patent: 1620565 (1927-03-01), McKeown
patent: 2693076 (1954-11-01), Francis
patent: 2943610 (1960-07-01), Foster
patent: 2944535 (1960-07-01), Fikse
Koczo Michael
Maxwell William H.
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