[특허]Safety device for seal systems for propeller shafts on ships

[미국특허] Safety device for seal systems for propeller shafts on ships 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B63H-023/36
출원번호	US-0533554 (1995-09-25)
우선권정보	DE-4434247 (1994-09-24)
발명자 / 주소	Pietsch Gunter (Hamburg DEX) Hillig Holger (Hamburg DEX) Voss Bodo (Buxtehude DEX) Von Bergen Ernst-Peter (Ahlefeld DEX)
출원인 / 주소	Blohm +Voss Holding AG (Hamburg DEX 03)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

A safety device on an aft seal system equipped with at least two gaskets for a ship\s propeller shaft, which propeller shaft is sealed with respect to the outside water and with respect to a lubricant chamber, and on which a ring-shaped chamber is reserved between each two gaskets, to which chamber are connected a feed line for compressed air and a discharge channel which can be emptied by means of a solenoid valve which opens and closes periodically. The pressure in the ring-shaped chamber is kept always slightly lower than the respective outside water pressure and the lubricant pressure by means of a pressure regulation mechanism. In the feed line to the ring-shaped chamber, downstream of the pressure regulation mechanism there is a solenoid valve, and downstream of that there is an airtight container with a float switch, whereby when the container is full of fluid due to a clogging of the discharge channel, the solenoid valve closes and thereby protects the pressure regulation mechanism and the other units against flooding.

대표청구항 ▼

A ship comprising: a propeller shaft; a seal system to seal said propeller shaft of said ship against the outside water; said seal system defining a first annular space around said propeller shaft; a discharge line for the discharge of liquids from said first annular space; a gas pressure source for providing a gas under pressure; means for receiving a gaseous pressure medium into said first annular space; said means for receiving comprising a feed line for supply of the gas from said gas pressure source; and a safety device comprising: sensing means for sensing the accumulation of liquids in said feed line; and a valve in said feed line, controlled by said sensing means, to close said feed line.

이 특허를 인용한 특허 (31) 인용/피인용 타임라인 분석

De Kruijf, Arnoud; Roemen, Rik; Takayasu, Minoru; Van Der Ven, Bart; Van Eijnatten, Joost; Yotsuyanagi, Masahiko, Arrangement for sealing a propeller shaft of a marine vessel and a method of controlling the operation thereof.
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van Schoor, Marthinus; Klepper, Steven; Cutler, Andrew, Bulkhead seal.
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Müller, Markus; Deeg, Markus, Device for sealing a rotating shaft.
상세보기
Rippel, Wally E.; Rippel, Eric E., Dynamic fluid seal.
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Burdick, Wade A.; Bowman, Gary M., Dynamic sealing arrangement for movable shaft.
상세보기
Burdick,Wade A.; Bowman,Gary M., Dynamic sealing arrangement for movable shaft.
상세보기
van Schoor, Marthinus; Ludlow, Christopher C.; Klepper, Steven A.; Cutler, Andrew M., Fluid activated shaft seal.
상세보기
Van Schoor, Marthinus C., Fluid-activated shaft seal.
상세보기
Gessaman,Jeff A; Stumbo,Steven Charles; Greeb,Kevin E.; Burdick,Wade A., Fully independent, redundant fluid energized sealing solution with secondary containment.
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Hilton, Jonathan James Robert; Cross, Douglas Isaac Lascelles, High speed flywheel containment.
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Wilson, Jim, Marine propulsion unit.
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Wilson,Jim, Marine propulsion unit.
상세보기
von Bergen, Ernst-Peter, OCEAN-GOING SHIP, AND AN OCEAN-GOING VESSEL WITH A STERN TUBE SEAL ARRANGEMENT FOR SEALING A STERN TUBE FOR A PROPELLER DRIVE SHAFT, AND AN ARRANGEMENT FOR SEALING PROPELLER DRIVE SHAFTS IN AN OCEAN-.
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Dietle, Lannie L.; Schroeder, John E.; Kalsi, Manmohan S.; Alvarez, Patricio D., Rotary shaft sealing assembly.
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Dietle, Lannie L.; Schroeder, John E.; Kalsi, Manmohan S.; Alvarez, Patricio D., Rotary shaft sealing assembly.
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Rusch, Mathias; Brand, Joerg; Wrage, Marko; Boettcher, Nils, Seal apparatus for a ship propeller shaft and method of making the apparatus.
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Wrage, Marko; Fangauf, Carlos, Seal arrangement for a rotating ship propeller shaft.
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Fangauf, Carlos; Ziemen, Lars, Seal arrangement with improved shaft bushing for a rotating ship propeller shaft.
상세보기
Von Bergen, Ernst Peter; Ziemen, Lars; Fangauf, Carlos; Von Borstel, Dieter; Wuestenhagen, Guido; Ristic, Ivan, Seal for sealing shafts.
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Bachhofner, Thomas; Hörner, Stephane, Sealing arrangement.
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Gallato, Fernando; Bertolo, Adone; Tognon, Andrea, Sealing arrangement for a pivotable boat drive.
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Hogg, Simon Ian; Urlichs, Karl, Sealing arrangement using brush seals.
상세보기
Baumann, Michael; Kogler, Christian; Swete, Wolfgang, Sealing device and method for sealing in a fluid medium.
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Hashimoto, Akio, Sealing mechanism for sealing a vacuum chamber.
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Hashimoto,Akio, Sealing mechanism for sealing a vacuum chamber.
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Hashimoto,Akio, Sealing mechanism for sealing a vacuum chamber.
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Hao, Fangli J.; Lenz, Eric H.; Dawson, Keith E., Sealing techniques suitable for different geometries and constrained spaces.
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Ylitalo,Jari, Ship's propulsion arrangement and method.
상세보기
Hisashi Yoshida JP; Minoru Takayasu JP, Stern tube sealing apparatus.
상세보기
Saito, Kenichi; Sada, Hiroyuki, Stern tube sealing device.
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Parnin, Francis, Vented buffer air supply for intershaft seals.
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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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[미국특허] Safety device for seal systems for propeller shafts on ships 원문보기