Internal combustion engine
OwnerLuther B. Thomasinventor
Life of this patent
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Abstract
An internal combustion engine utilizes a combustion cylinder formed in part of material which can withstand high temperatures in conjunction with a displacement or power piston having a ringless section capable of withstanding high temperatures and being backed up by a relatively low temperature lubricated ringed piston section. Means to inject fuel and water into the combustion chamber is provided along with means to charge the combustion chamber with air and to exhaust the combustion chamber near the end of the power stroke.
Claims6
An internal combustion engine comprising a power cylinder having an upper high temperature portion and a lower relatively low temperature portion, a power piston within the power cylinder including an upper displacement portion for operation in said upper high temperature cylinder portion and being ringless and sized for relatively large clearance within the power cylinder, said power piston also including a ringed portion below said upper displacement portion and operating within said lower relatively low temperature portion of the power cylinder, means for feeding charges of pressurized air to the interior of the power cylinder above said displacement portion of the power piston and for cyclically exhausting the power cylinder, fuel injection means on the top portion of the power cylinder to inject fuel therein when the displacement portion of the power piston is within said upper high temperature portion of the power cylinder, and water injection means on the power cylinder to inject water into the top of the upper high temperature cylinder portion alternately with injections of fuel therein when the combustion chamber is sufficiently hot to produce super-heated steam.
Dependencies are inferred from the claim text.