[특허]Bearing damper with spring seal

[미국특허] Bearing damper with spring seal 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16C-027/00 F16C-033/76
출원번호	US-0395074 (2009-02-27)
등록번호	US-8182153 (2012-05-22)
발명자 / 주소	Singh, Anant Pal Slusher, Michael Storace, Albert Frank Austrow, James C. Metz, Tony
출원인 / 주소	General Electric Company
대리인 / 주소	Clement, David J.
인용정보	피인용 횟수 : 19 인용 특허 : 34

초록 ▼

A bearing damper includes: (a) an annular sleeve having spaced-apart grooves formed in a radially-facing surface therein; (b) an annular bearing race received in the sleeve; and (c) a resilient seal ring disposed in each of the grooves, wherein the seal rings cooperate with the sleeve and a radially-facing surface of the bearing race to define a closed annular gap, and further wherein the seal rings are sized so as to urge the bearing race towards a coaxial position relative to the sleeve.

대표청구항 ▼

1. A bearing damper, comprising: (a) an annular sleeve having spaced-apart grooves formed in a radially-facing surface therein;(b) an annular bearing race received in the sleeve; and(c) a resilient seal ring disposed in each of the grooves, wherein each of the seal rings is a physically continuous member disposed in continuous sealing contact both an axially extending surface of the respective groove and a axially extending surface of the bearing race, wherein the seal rings cooperate with the sleeve and the axially extending surface of the bearing race to define a closed annular gap, and further wherein the seal rings are sized so as to urge the bearing race towards a coaxial position relative to the sleeve. 2. The bearing damper of claim 1 wherein each of the seal rings has a generally circular cross-sectional shape. 3. The bearing damper of claim 1 wherein each of the seal rings has a Z-shaped cross-sectional shape comprising inner and outer flanges interconnected by a web. 4. The bearing damper of claim 1 wherein the radially-facing surface of the sleeve faces radially inwards, and the radially-facing surface of the bearing race faces radially outwards. 5. The bearing damper of claim 1 where the bearing race is an outer race of a bearing which includes a plurality of rolling elements disposed between the outer race and an inner race. 6. A bearing support apparatus for a gas turbine engine, comprising: (a) a stationary housing which defines an annular recess;(b) an annular sleeve received in the recess, the sleeve having spaced-apart grooves formed therein;(c) a bearing having annular inner and outer races, the outer race received in the recess;(d) a shaft received in the inner race; and(e) a resilient seal ring disposed in each of the grooves, wherein each of the seal rings is a physically continuous member disposed in continuous sealing contact both an axially extending surface of the respective groove and an axially extending surface of one of the bearing races, wherein the seal rings cooperate with the sleeve and the outer race to define a closed annular gap, and the seal rings are sized so as to urge the bearing towards a coaxial position relative to the sleeve. 7. The bearing support apparatus of claim 6 wherein each of the seal rings has a generally circular cross-sectional shape. 8. The bearing support apparatus of claim 6 wherein each of the seal rings has a Z-shaped cross-sectional shape comprising inner and outer flanges interconnected by a web. 9. The bearing support apparatus of claim 6 wherein the bearing race is an outer race. 10. The bearing support apparatus of claim 6 wherein the bearing race is an outer race of a bearing which includes a plurality of rolling elements disposed between the outer race and an inner race. 11. The bearing support apparatus of claim 6 wherein the housing defines a first axial end and an outer wall of the recess, and an a second axial end of the recess is closed off by a separate annular retainer which is secured to the housing.

이 특허에 인용된 특허 (34) 인용/피인용 타임라인 분석

Ansari M. Kaleem ; Moniz Thomas ; Kramer August H. ; Singh Anant P., Actuation system for a gas turbine rotor blade.
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Singh,Anant Pal; Wilton,Stephen Anthony; Anstead,Duane Howard; Allmon,Barry Lynn, Apparatus for scavenging lubricating oil.
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Pettinato, Brian C.; De Choudhury, Pranabesh, Bearing assembly and centering support structure therefor.
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Monzel Fred J. (Loveland OH) Bobo Melvin (Cincinnati OH), Bearing assembly with multiple squeeze film damper apparatus.
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Moniz,Thomas O.; Singh,Anant P.; Allen,Daniel M.; Bond,Donald R., Counter-rotating turbine engine and method of assembling same.
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Dede Mehmet M., Fixed arc squeeze film bearing damper.
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Carlson Russell L. (North Palm Beach FL), Fluid damper.
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Gans Bruce E. (Beverly MA) Vohr John H. (Schenectady NY), Fluid film journal bearing with squeeze film damper for turbomachinery.
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Vohr John H. (Schenectady NY) Gans Bruce E. (Middlesex MA), Hydrostatic bearing support affording high static and low dynamic stiffness to a rotor in turbomachinery.
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Singh,Anant Pal; Sexton,Larry Jay, Methods and apparatus for assembling a bearing assembly.
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Singh,Anant Pal; Sexton,Larry Jay, Methods and apparatus for assembling a bearing assembly.
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Heydrich Hans (Phoenix AZ), Multi-film fluid bearing damper.
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Barbic Jack R. (Tequesta FL) Nichol Kurt L. (Estill Springs TN), Multiple feed oil supply system for fluid damper.
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Singh Anant P. (Cincinnati OH), Oil film damper seal ring.
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Dusserre-Telmon, Guy; Plona, Daniel, Oil-damped rolling bearing.
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Bobo Melvin (Cincinnati OH) Pope Adam N. (Cincinnati OH), Proportioned piston ring seals.
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Bobo Melvin (Cincinnati OH) Pope Adam N. (Cincinnati OH), Proportioned piston ring seals.
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Maier Martin D. (Olean NY), Self-centering squeeze film damper bearing.
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Stallone Michael J. (Cincinnati OH) Mollmann Daniel E. (Cincinnati OH), Squeeze film bearing damper with annular end plenums.
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Bobo Melvin (Cincinnati OH), Squeeze film damper composite ring seal.
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Monzel Fred J. (Loveland OH) Stallone Michael J. (Cincinnati OH), Squeeze film damper fluid control.
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Bobo Melvin (Cincinnati OH), Squeeze film damper oil control.
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Pope Adam N. (Cincinnati OH) Bobo Melvin (Cincinnati OH), Squeeze film damper piston ring seal.
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Monzel Fred J. (Loveland OH), Squeeze film damper seal.
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Monzel Fred J. (Loveland OH), Squeeze film damper seal.
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Singh Anant P. (Cincinnati OH), Squeeze film damper seal.
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Singh Anant P. (Cincinnati OH), Squeeze film damper seal.
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Singh Anant P. (Cincinnati OH), Squeeze film damper seal.
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Kuznar Ronald J. (West Chester OH), Squeeze film damper seal ring.
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Walsh, William S, Squeeze film damper with variable support stiffness.
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Bos, Mathieu; Ryhon, Sebastien, Squeeze film damping type bearing.
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Singh Anant P. (Cincinnati OH), Squeeze film shaft damper oil system.
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Singh, Anant P., Squeeze film shaft damper oil system.
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Marmol Ronald A. (Palm Beach Gardens FL) Wojcicki Walter E. (Nashville TN), Support for oil film dampers.
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이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

Carter, Bruce Alan; Ganiger, Ravindra Shankar; Drummond, Stephanie Frances; Nema, Vivek, Apparatus and method for assembling a damper bearing assembly.
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Grillo, Joseph; Duffy, Kevin; Kovacik, Ronnie K., Bearing centering spring with integral outer rings.
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Morris, Robert J., Bearing support damping.
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Smedresman, Adam G.; Stec, Jacek G., Centering spring and damper assembly.
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Tecza, Joseph A.; Kidd, H. Allan, Circulating dielectric oil cooling system for canned bearings and canned electronics.
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Freeman, Jess Lee; Moulton, David Howard; Krehbiel, William Courtney, Compact squeeze film damper bearing.
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Curry, David A.; Koltermann, Terry J.; Lin, Chih C.; Hall, Stuart, Composite metallic elastomeric sealing components for roller cone drill bits.
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Curry, David A.; Koltermann, Terry J.; Lin, Chih C.; Hall, Stuart, Composite metallic elastomeric sealing components for roller cone drill bits.
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Reich, Steven A; Graeser, Matthew J; Swehla, Dale J; Langner, Micheal A, Distributed load bearing with an outer flex ring.
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Ryu, Keun, Fluid film hydrodynamic tilting pad semi-floating ring journal bearing with compliant dampers.
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Niergarth, Daniel Alan; Miller, Brandon Wayne; Ertas, Bugra Han; Bradley, Donald Albert; Dickman, Joseph Robert, Gearbox planet attenuation spring damper.
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Husband, Jason; Gresham, Thomas; Greenberg, Michael D., Helically actuated variable bearing damper.
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Griffin, Timothy R.; Gilarranz, Jose L., Method for on-line detection of liquid and potential for the occurrence of resistance to ground faults in active magnetic bearing systems.
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Gilarranz, Jose L.; Griffin, Timothy R., Method for on-line detection of resistance-to-ground faults in active magnetic bearing systems.
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Pettinato, Brian C.; De Choudhury, Pranabesh, Method of positioning a bearing assembly and centering support structure therefor.
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Maier, Martin D.; Kidd, H. Allan, Segmented coast-down bearing for magnetic bearing systems.
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Ganiger, Ravindra Shankar; Yadav, Satish Kumar; Ghosh, Shuvajyoti, Squeeze film damper for a gas turbine engine.
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Maier, Martin D.; Kidd, H. Allan, Whirl inhibiting coast-down bearing for magnetic bearing systems.
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[미국특허] Bearing damper with spring seal 원문보기

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이 특허에 인용된 특허 (34) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

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