[특허]System and method for cooling a submersible electric propulsor

System and method for cooling a submersible electric propulsor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02K-009/18 H02K-009/04 F01D-005/08
출원번호	US-0571968 (1990-08-23)
발명자 / 주소	Veronesi Luciano (O\Hara Township Allegheny County both of PA) Drake James A. (O\Hara Township Allegheny County PA)
출원인 / 주소	Westinghouse Electric Corp. (Pittsburgh PA 02)
인용정보	피인용 횟수 : 32 인용 특허 : 0

초록 ▼

Both a closed system and method for cooling a submersible propulsor unit for a water vehicle is provided for a unit of the type that includes a submersible motor having a shaft connected to a propeller, and a housing containing the motor. The system comprises a motor cooling assembly that includes a shaft seal for conducting the shaft outside of the housing while preventing ambient water from entering the housing, a liquid contained within the housing for cooling the motor, a heat exchanger for thermally connecting but mechanically isolating the liquid from the ambient water, an impeller (102) for recirculating the liquid through both the motor and the heat exchanger, and a bellows (128) for equilibrating any pressure differentials between the cooling liquid and the ambient water. A filter assembly (129) mounted within the bellows relieves any pressure differential that is not relieved by the bellows when ambient water pressure is greater than that of the cooling liquid in the housing. The filter assembly removes particulate debris from the ambient water before admitting it into the housing, to relieve the pressure differential, and may further include an osmotic membrane for preventing dissolved salts in ambient water from entering the cooling liquid.

대표청구항 ▼

A closed system for cooling a submersible propulsor unit for a water vehicle of the type including a submersible motor having a shaft connected to a propeller, a housing containing said motor, and a bearing within said housing for rotatably mounting said propeller to said shaft, comprising: a motor cooling assembly, including a shaft seal for conducting said shaft outside of said housing while preventing ambient water from entering said housing, a liquid medium contained within said housing for cooling said motor and lubricating said bearing, a heat exchanger for thermally connecting but mechanically isolating said liquid medium from ambient water, and a means for recirculating said liquid medium through said heat exchanger, and means for equilibrating the pressure of the liquid within the housing with the ambient water on the outside of said housing.

이 특허를 인용한 특허 (32)

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Chapman John H., Method and arrangement for fluidborne vehicle propulsion and drag reduction.
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Tölle, Hans Jürgen; Vogel, Reinhard; Wengler, Peter, Redundant cooling system with two cooling circuits for an electric motor.
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Salmi Pekka,FIX ; Kurimo Risto,FIX, Service vessel operating method.
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Hein Peter,DEX ; Meyer Christian,DEX, Ship propulsion with a gondola-like synchronous motor.
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Brach,Karsten; Hein,Peter; Hofmann,Thomas; Kr체ger Gotzmann,Manfred; Meyer,Christian; Schiller,Christian; Vogeley,Peter; Wilcke,Ralf, Shock-proof electric marine engine, e.g. engine or generator.
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Draper Randal K. (P.O. Box 10123 Lahaina HI 96761), Shrouded electric outboard motor.
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Quadrini Michael A. ; Van Dine Pieter, Strut-mounted marine propulsion unit.
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Guardiani Richard F. (Ohio Township PA) Pollick Richard D. (Sarver PA), Submersible canned motor mixer pump.
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Guardiani Richard F. (Ohio Township ; Allegheny County PA) Pollick Richard D. (Sarver PA) Nyilas Charles P. (Monroeville PA) Denmeade Timothy J. (Lower Burrell PA), Submersible canned motor transfer pump.
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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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System and method for cooling a submersible electric propulsor 원문보기

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System and method for cooling a submersible electric propulsor 원문보기

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