[특허]Shaft assembly having improved seal

[미국특허] Shaft assembly having improved seal 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16J-015/54
출원번호	US-0186922 (1998-11-06)
발명자 / 주소	Rapp Robert J.
출원인 / 주소	Reliance Electric Technologies, LLC
대리인 / 주소	Farr
인용정보	피인용 횟수 : 1 인용 특허 : 33

초록 ▼

A shaft assembly includes a housing having a bore formed therein. A shaft is disposed rotatably in the housing and within the bore. A seal assembly extends between the shaft and a circumferential surface of the bore and includes a first annular seal member rotationally fixed to one of the shaft and the housing and extending therefrom to engage the other of the shaft and the housing. One or more annular seal members extend at least partially between the bore and the shaft to form a labyrinth between areas external and internal to the shaft assembly.

대표청구항 ▼

[ What is claimed is:] [1.]1. A shaft assembly, said assembly comprising:a housing having a bore formed therein;a shaft disposed rotatably in said housing and within said bore; anda seal assembly extending between said shaft and a cylindrical circumferential surface of said bore, said seal assembly includinga first annular seal member slidably received within said bore and rotationally fixed to one of said shaft and said circumferential surface and extending therefrom to engage the other of said shaft and said circumferential surface,a second annular seal member slidably received within said bore separately from said first member and rotationally fixed to said other of said shaft and said circumferential surface axially outward of the point at which said first member engages said other of said shaft and said circumferential surface, anda third annular seal member slidably received within said bore separately from said first member and said second member and rotationally fixed to said one of said shaft and said circumferential surface and extending therefrom to said second member.

이 특허에 인용된 특허 (33) 인용/피인용 타임라인 분석

Doyle Lester W. (Mishawaka IN) Veldman ; Sr. Bernard T. (Mishawaka IN), Auxiliary sealing structure for a shaft bearing.
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Martinie Howard W. (2016 Bethel Rd. Simpsonville SC 29681), Auxiliary sealing system.
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Martinie Howard W. (Simpsonville SC), Auxiliary sealing system.
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Martinie Howard M. (Simpsonville SC), Bearing assembly.
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Martinie Howard M. (Simpsonville SC), Bearing assembly utilizing improved clamping arrangement.
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Tooley Robert W. (Osceola IN), Bearing seal.
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Nisley Donald L. (Greenville SC), Expansion bearing having improved lubrication arrangement.
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Nisley Donald L. (Greenville SC) Martinie Howard M. (Simpsonville SC), High efficiency seal devices for shaft bearings.
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Fedorovich George, Hybrid seal device.
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Morris ; Alberto Jorge, Liquid sealing device.
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Lederman Frederick E. (Sandusky OH), Low friction unitized seal.
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Bathurst Shane,GBX, Rotary shaft sealing system.
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Nisley Donald L. (Greenville SC), Seal assembly.
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Otto Dennis L. (Malvern OH), Seal assembly for antifriction bearings.
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Dreschmann Peter (Dittelbrunn DEX) Warmuth Erich (Hofheim DEX), Seal for antifriction bearings.
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Feldle Kurt (Wrzburg DEX) Kaschube Karl-Friedrich (Niederwerrn DEX), Seal for rolling bearing.
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Tooley Robert W. (Osceola IN), Seal for shaft bearings.
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Tooley Robert W. (Osceola IN), Seal for shaft bearings.
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Conti Roger C. (Simpsonville SC), Seal with face-to-face flat metal sealing washers.
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Martinie Howard W. (Simpsonville SC), Sealing apparatus.
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Rieder Guido,DEX ; Gotz Siegfried,DEX ; Wurch Manfred,DEX ; Kruppa Martin,DEX, Sealing arrangement for a cardan spider bushing.
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Jrnhagen Lennart (Hgabergsgatan SEX), Sealing device for sealing a bearing.
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Firestone Charles R. (Greer SC) Broadus Donald E. (North Vernon IN), Sealing system.
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Tooley Robert W. (Osceola IN), Shaft bearing and method of assembling the same.
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Jett Richard G. (Saint Charles IL), Shaft seal construction for bin level indicators.
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DeWachter Gary (Greenville SC), Snap-ring with pin release seal.
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Firestone Charles R., Speed reducer apparatus having auxiliary seal assembly.
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Cook John P. ; Johnson James P., Street sweeper bearing with wear resistant resiliently biased face seal.
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Colanzi Franco (Turin ITX) Vignotto Angelo (Turin ITX), Tight bearing suitable for exceptionally heavy duty conditions.
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Bainard Dean R. (Clover SC), Unitized dual lip seal method.
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Hatch Frederick R. (Ann Arbor MI) Riley William M. (Milan MI) Banks Thomas M. (Ypsilanti MI), Unitized exclusion seal.
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Lederman Frederick E. (Sandusky OH), Unitized seal with extra sealing contact and method of making.
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Sasaki Norio (Aichi-ken JPX), Water pump.
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이 특허를 인용한 특허 (1) 인용/피인용 타임라인 분석

Hewitt, William G.; Hosmer, Christopher E., Bearing assembly with combination set screw and concentric shaft locking mechanism.
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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] Shaft assembly having improved seal 원문보기