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US 10,196,970 B2Granted
Isochoric heat addition engines and methods
AssigneeLiquidPiston, Inc.
InventorsNikolay Shkolnik, Alexander Shkolnik
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Abstract
Engines and methods execute a high efficiency hybrid cycle, which is implemented in a volume within an engine. The cycle includes isochoric heat addition and over-expansion of the volume within the engine, wherein the volume is reduced in a compression portion of the cycle from a first quantity to a second quantity, the volume is held substantially constant at the second quantity during a heat addition portion of the cycle, and the volume is increased in an expansion portion of the cycle to a third quantity, the third quantity being larger than the first quantity.
Claims10
A rotary engine comprising:
- a rotor,
- a housing, and
- a first cover and a second cover axially disposed on opposing sides of the rotor, wherein during a course of its rotation, the rotary engine forms a compression chamber, a combustion chamber, an expansion chamber, and a scavenging chamber configured to perform both intake and exhaust;
- and wherein the rotary engine further comprises:
- a. an inlet port through the first cover;
- b. an outlet port through the second cover;
- and
- c. a fan operably coupled to the inlet port, the outlet port, or both, and disposed to blow the air through the scavenging chamber to execute a scavenged operating cycle, wherein exhaust gases are removed from the scavenging chamber and fresh air or an air/fuel mixture enter into the scavenging chamber.
5 more elements
Dependencies are inferred from the claim text.