[특허]Rotary steam engine

[미국특허] Rotary steam engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01C-001/02 F01C-021/12
출원번호	US-0668150 (1976-03-18)
발명자 / 주소	Hoffman Ralph M. (15950 N. Hillcrest Court Eden Prairie MN 55343)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

A unidirectional rotary expansion steam power unit which is free from external valving arrangements and independent starting mechanisms, and which is adapted for multiple use in a system selectively using direct energization and compounding of the units. The power fluid is supplied through a hollow rotor, and is conducted to working chambers and exhausted therefrom by strategically located passages in the walls of a housing, under the control of seal means carried by the rotor.

대표청구항 ▼

In a rotating machine including a housing having opposite end walls spaced apart along a first axis by a peripheral wall shaped to define an epitrochoidal cavity symmetrical about said first axis and configured as two lobes intersecting at lobe junctures which define a minor axis of the section of said housing normal to said first axis, one of said lobes lying in first and second quadrants about said first axis and the other lying in third and fourth quadrants thereabout, a rotor symmetrical about a further axis and movable in said cavity, said rotor having opposite side wall surfaces adjacent, and in slightly spaced relation, to said end walls of said housing, and interconnected by a plurality of peripheral flank surfaces which intersect at apices to determine lines of sealing contact with said peripheral wall of said housing, means, including a crankshaft on which said rotor rotates on said further axis eccentrically with respect to said first axis, for limiting motion of said rotor in said cavity to planetating movement about said first axis in the direction from said fourth quadrant to said first quadrant, so that said apices sweep through said lobes, spaced seal means, including inward valving seal means and outward chamber isolating seal means, carried by at least one side wall surface of said rotor to move in the interstice between said side wall surface and the adjacent end wall of the housing, so that said rotor and said housing jointly define a plenum space inward of said valving seal means and a plurality of distinct working chambers, outward of said isolating seal means, which move about said first axis and successively increase and decrease in volume with said movement of said rotor, and means for conducting a fluid into said housing at a site inward of said valving seal means, the improvement which comprises: bridging passage means in the inner surface of at least one of said end walls, sized to conduct pressure fluid from said plenum space to said working chambers during first predetermined portions oF said movement; and further passage means in said inner surface of said one of said end walls for affording egress of pressure fluid from said working chambers during second predetermined portions of said movement.

이 특허를 인용한 특허 (37) 인용/피인용 타임라인 분석

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Gekht, Eugene; Thomassin, Jean; Bolduc, Sebastien; Gagnon-Martin, David, Apex and face seals with rotary internal combustion engine.
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Shkolnik, Nikolay; Shkolnik, Alexander C., Cycloid rotor engine.
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Shkolnik, Alexander C.; Shkolnik, Nikolay, Hybrid cycle rotary engine.
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Shkolnik, Nikolay; Shkolnik, Alexander C., Isochoric heat addition engines and methods.
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Shkolnik, Nikolay; Shkolnik, Alexander C., Isochoric heat addition engines and methods.
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Thomassin, Jean; Ullyott, Richard; Julien, André, Multi-rotor rotary engine architecture.
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Pekrul, Merton W., Plasma-vortex engine and method of operation therefor.
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Rodgers, John, Rotary engine.
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Pekrul, Merton W., Rotary engine exhaust apparatus and method of operation therefor.
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Pekrul, Merton W., Rotary engine expansion chamber apparatus and method of operation therefor.
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Pekrul, Merton W., Rotary engine valving apparatus and method of operation therefor.
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Shkolnik, Alexander; Shkolnik, Nikolay, Rotary engine with cam-guided rotor.
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Hoffmann Ralph M. (Eden Prairie MN), Rotary expansion power unit with valve disc connected to crankshaft.
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Shields, Stephen W.; Shields, David William, Steam powered engine.
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Hogan, Michael G., Water pressure driven generator.
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Hogan,Michael G., Water pressure driven generator.
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Michael G. Hogan, Water pressure driven generator.
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[미국특허] Rotary steam engine 원문보기

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