[특허]Mechanical face seal assembly including a gasket

[미국특허] Mechanical face seal assembly including a gasket 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16J-015/38
출원번호	US-0468705 (1995-06-06)
발명자 / 주소	Dahlheimer John C. (Laconia NH)
출원인 / 주소	Freudenberg NOK General Partnership (Plymouth MI 02)
인용정보	피인용 횟수 : 31 인용 특허 : 4

초록 ▼

An improved seal assembly utilizing a cup gasket having a flange portion secured or sandwiched between side surface of a mating ring and an inner surface of a radially extending side portion of an inner sleeve such that a static seal occurs in an axial direction. The seal further including a gap between an inner circumferential surface of the mating ring and the outer circumferential surface of the inner sleeve to detect any leakage past the static seal. Such a seal assures a long-term sealed mounting of the mating ring regardless of elastomer compressions set, shrinkage, or thermal contraction.

대표청구항 ▼

A seal assembly for mounting between a shaft and a housing, one of which is rotating with respect to the other, comprising: a seal casing, said seal casing including an outer case and an inner case; an inner sleeve secured to said shaft; a seal ring, said seal ring connected to said seal casing by a deflectable seal element; a spring, positioned between said seal casing and said seal ring, said spring operative to urge said seal ring in an axial direction; a mating ring having a mating surface and a side surface; a cup gasket, said cup gasket having a flange portion and a tubular portion, said flange portion positioned between said side surface of said mating ring and a radial inner surface of said inner sleeve such that said flange portion of said gasket is sandwiched between said radial inner surface of said inner sleeve and said side surface of said mating ring to form a static seal, said tubular portion includes a plurality of pads, said pads positioned on an inner circumferential surface of said tubular portion; said mating ring includes an inner circumferential surface spaced from an outer circumferential surface of an inner circumferential flange of said inner sleeve such that an annulus of determined width is formed between the mating ring and inner sleeve and said tubular portion of said gasket extending axially within said annulus having a determined width wherein the width of said tubular portion is less than the width of said annulus.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Novosad Eugene (Arlington Heights IL), Drive for banded washer type seal.
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Menager Jean (Luxembourg LUX), Fluid seal assembly.
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Heinrich Richard W. (Heilbronn) Uhrner Klaus-Jrgen (Leingarten) Eggensperger Gunther (Heilbronn DEX), Sealing arrangement.
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Johnson Norman E. (Barrington RI) Vasconcellos Daniel F. (East Greenwich RI), Self-damping bellows seal assembly.
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이 특허를 인용한 특허 (31) 인용/피인용 타임라인 분석

Hart, Katherine; Held, Timothy James, Automated mass management control.
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Hart, Katherine; Held, Timothy James, Automated mass management control.
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Held, Timothy James; Vermeersch, Michael Louis; Xie, Tao, Carbon dioxide refrigeration cycle.
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Held, Timothy James; Vermeersch, Michael Louis; Xie, Tao, Driven starter pump and start sequence.
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Held, Timothy James; Vermeersch, Michael; Xie, Tao, Driven starter pump and start sequence.
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Burdick, Wade A.; Bowman, Gary M., Dynamic sealing arrangement for movable shaft.
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Burdick,Wade A.; Bowman,Gary M., Dynamic sealing arrangement for movable shaft.
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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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Held, Timothy J.; Miller, Jason D., Heat engine and heat to electricity systems and methods for working fluid fill system.
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Held, Timothy James; Hostler, Stephen; Miller, Jason D.; Vermeersch, Michael; Xie, Tao, Heat engine and heat to electricity systems and methods with working fluid mass management control.
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Held, Timothy James, Heat engine cycles for high ambient conditions.
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Kacludis, Alexander Steven; Hostler, Stephen R.; Zakem, Steve B., Heat engine system with a supercritical working fluid and processes thereof.
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Held, Timothy James, Heat engines with cascade cycles.
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Gurin, Michael H., Heat pump with integral solar collector.
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Held, Timothy James, Hot day cycle.
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Gurin, Michael H., Hybrid power systems.
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Jon J. Radosav, Mechanical face seal.
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Radosav, Jon J., Mechanical face seal.
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Radosav, Jon J., Mechanical face seal.
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Maeda Shigeki,JPX, Mechanical seal.
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Takahashi, Hidekazu, Mechanical seal device.
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Ostrowski Michael H., Mechanical seal with flexible metal diaphragm.
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Vermeersch, Michael Louis; Bowan, Brett A.; Khairnar, Swapnil, Methods for reducing wear on components of a heat engine system at startup.
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Bowan, Brett A., Process for controlling a power turbine throttle valve during a supercritical carbon dioxide rankine cycle.
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Thiel, Alfred, Sealing system for a drive unit consisting of a motor and a transmission.
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Xie, Tao; Vermeersch, Michael; Held, Timothy, Supercritical carbon dioxide power cycle for waste heat recovery.
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Vermeersch, Michael Louis, Supercritical working fluid circuit with a turbo pump and a start pump in series configuration.
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Held, Timothy James, System and method for managing thermal issues in gas turbine engines.
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Held, Timothy James, System and method for managing thermal issues in one or more industrial processes.
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Held, Timothy J.; Hostler, Stephen; Miller, Jason D.; Hume, Brian F., Thermal energy conversion device.
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Held, Timothy J.; Hostler, Stephen; Miller, Jason D.; Hume, Brian F., Thermal energy conversion method.
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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] Mechanical face seal assembly including a gasket 원문보기