[특허]Reciprocating combustion engine

Reciprocating combustion engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-075/18
출원번호	US-0319900 (2009-01-12)
등록번호	US-8215270 (2012-07-10)
발명자 / 주소	McKaig, Ray Donovan, Brian
출원인 / 주소	McVan Aerospace, LLC
대리인 / 주소	Bruckner PC, John
인용정보	피인용 횟수 : 0 인용 특허 : 72

초록 ▼

Methods and apparatus are described for a reciprocating combustion engine. A method includes operating a dual-piston engine including introducing a gas into a pair of combustion chambers; introducing a fuel into the pair of combustion chambers; compressing the gas; combusting the gas and the fuel; and exhausting combusted gases. Each of the pistons drives a reciprocating crankshaft that protrudes through a cylinder wall and cooperatively rotate a pair of rotors by engaging substantially sinusoidal cam tracks on the rotors. An apparatus includes a cam driven, concentric drive rotary-valve dual-piston engine.

대표청구항 ▼

1. A method, comprising operating a dual-piston engine including introducing a gas into a pair of combustion chambers; introducing a fuel into the pair of combustion chambers; compressing the gas; combusting the gas and the fuel; and exhausting combusted gases, wherein each of the pistons drives a reciprocating crankshaft that protrudes through a cylinder wall and cooperatively rotates one of a pair of rotors by cam follower driving a substantially sinusoidal cam tracks located on that one of the pair of rotors,wherein rotary valves are driven by rotation of the pair of rotors. 2. The method of claim 1, further comprising turbo charging the gas. 3. The method of claim 2, further comprising supercharging the gas. 4. The method of claim 3, further comprising evacuating the pair of combustion chambers to lower backpressure at the exhaust ports. 5. The method of claim 1, wherein the substantially sinusoidal cam tracks on the rotors provide bi-directional rotor operation. 6. An apparatus, comprising a dual-piston engine, wherein each of the pistons drives a reciprocating crankshaft that protrudes through a cylinder wall and cooperatively rotates one of a pair of rotors by cam follower driving a substantially sinusoidal cam track located on that one of the pair of rotors,wherein rotary valves are driven by rotation of the pair of rotors. 7. The apparatus of claim 6, wherein the substantially sinusoidal cam tracks on the rotors provide bi-directional rotor operation. 8. The apparatus of claim 6, further comprising air bearings and silicon-nitride ball bearings to achieve oil-free operation. 9. The apparatus of claim 6, further comprising high-capacity centrifugal turbocharger pumps that approximately triple atmospheric pressure prior to utilization within the engine. 10. The apparatus of claim 9, further comprising a high-capacity supercharger pump between the pistons that has a volume that is substantially the same as both piston displacement to approximately double the air volume in the combustion chambers. 11. The apparatus of claim 6, wherein pressurized air bearing surfaces for piston rings and seals reduce cylinder wear. 12. The apparatus of claim 6, wherein centrifugal exhaust pumps lower backpressure at the engine exhaust ports, facilitating enhanced evacuation of the combustion chamber and resulting in higher horsepower capabilities due to the increased fresh air volume that the combustion chambers can accommodate. 13. The apparatus of claim 6, wherein the rotary valves include quadruple engine ports spaced 90 degrees apart in each combustion chamber enhance gas insertion and exhaust extraction by providing shorter paths and multiple directions for gas flow. 14. The apparatus of claim 6, wherein three-phase gas exchange cycles provide for high initial combustion chamber pressures, including immediately following the exhaust phase, first turbocharger, then supercharger pressures enter the combustion chambers in two additional phases. 15. The apparatus of claim 6, wherein pressure-compensating self-sealing head gaskets substantially insure gas-tight sealing action at all operating pressures without the need for torque bolts. 16. The apparatus of claim 6, wherein the rotor cam tracks twist to present substantially maximum surface contact with the piston crankshaft bearings throughout their rotated position. 17. The apparatus of claim 6 wherein dual rotor cams turning in opposite directions provide bi-directional torque-free rotor operation without heavy gears or transmissions. 18. The apparatus of claim 6, where the cams turn at subsets of the combustion cycle frequency without gear transmissions due to the multiple sinusoidal natures of the rotor cam tracks achieving higher horsepower values through increased power strokes per rotor revolutions. 19. The apparatus of claim 6, wherein substantially balanced pistons moving in substantially opposite directions substantially remove engine vibrations without the need for heavy counterweights. 20. The apparatus of claim 6, wherein air chamber areas within each piston 1) remove excess piston heat due to combustion and 2) provide a) delayed supercharger pressure storage functionality and b) pressure for floating the piston-to-cylinder seals stored in separate chambers and fed by the supercharger pressures. 21. The apparatus of claim 6, wherein the engine is air cooled. 22. A vehicle, comprising the apparatus of claim 6. 23. An aircraft, comprising the apparatus of claim 6.

이 특허에 인용된 특허 (72)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Reciprocating combustion engine 원문보기

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Reciprocating combustion engine 원문보기

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