[특허]Constant pressure drop multiple stage brush seal

[미국특허] Constant pressure drop multiple stage brush seal 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16J-015/447
출원번호	US-0596147 (1990-10-11)
발명자 / 주소	Atkinson Edward (Morrow OH) Bristol Brent L. (Milford OH)
출원인 / 주소	General Electric Company (Cincinnati OH 02)
인용정보	피인용 횟수 : 57 인용 특허 : 0

초록 ▼

A multiple stage brush seal having a controlled distribution of pressure drops across each stage of the seal is provided. The pressure drop across each stage is controlled by one or a combination of the following structural arrangements: increased clearance gaps, reduced bristle packing, and venting

대표청구항 ▼

A method for equalizing the pressure drops across the individual stages of a multiple stage brush seal disposed between a rotating member and stationary member and between an upstream high pressure region and a downstream low pressure region, said seal being attached to said stationary member and comprising a plurality of pressure drop stages, each of said stages of said seal having an effective flow area and comprising: a backing plate spaced apart from said rotating member to define a clearance gap; a facing plate; and a bristle packing including a plurality of bristles disposed therebetween and sealingly contacting said rotating member; said method comprising: increasing said effective flow area of each said stage from stage to stage in the direction of air flow from said high pressure region to said low pressure region such that the pressure drop across each said stage of said seal remains substantially equal.

이 특허를 인용한 특허 (57) 인용/피인용 타임라인 분석

Cunningham Matthew D. ; Menendez Robert P. ; Henderson James A. ; Shia Chih-Yuan ; Casey William J. ; Smith ; Jr. William W., Brush seal.
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James Fellenstein ; Sean P. McCutchan ; James Hyland ; Keven G. Van Duyn, Brush seal.
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William V. Adams ; Christopher D. McCowey ; Leroy A. Waling ; Antonio F. Artiles, Brush seal.
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Zheng, Xiaoqing; Couture, Jr., Bernard Arthur; Bowman, Michael John; Adis, William Edward; Mack, Michael Dennis; Clark, Kim James, Brush seal.
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Zheng, Xiaoqing; Couture, Jr., Bernard Arthur; Bowman, Michael John; Adis, William Edward; Mack, Michael Dennis; Clark, Kim James, Brush seal.
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Flower Ralph Franklyn John,GB2, Brush seal assembly.
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Kono, Toru, Brush seal device.
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Brück, Stefan; Neef, Matthias; Sulda, Erik; Sürken, Norbert, Brush seal for a turbo-machine.
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Turnquist, Norman Arnold; Burnett, Mark Edward; Kizil, Huseyin; Mundra, Kamlesh, Brush seal for static turbine components.
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Gail Alfons,DEX ; Michel Uwe,DEX ; Pfister Edgar,DEX ; Reisinger Lothar,DEX ; Miller Thomas,DEX, Brush seal for turbo engines.
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Baily Frederick G. ; Rentz Lawrence E. ; Retzlaff Klaus M. ; Turnquist Norman A., Brush seal mounting in supporting groove using flat spring with bifurcated end.
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Bagepalli Bharat S. ; Chiu R. Paul ; Cromer Robert Harold ; Crum Gregory Allan ; Dinc Osman Saim,TRX ; Furman Anthony Holmes ; Marks Paul Thomas ; Markytan Rudolf Matthias ; Skinner David Robert ; Tu, Brush seals and combined labyrinth and brush seals for rotary machines.
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Cromer Robert Harold ; Turnquist Norman Arnold, Brush seals and combined labyrinth and brush seals for rotary machines.
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Wolfe Christopher Edward ; Turnquist Norman Arnold ; Cromer Robert Harold ; Dinc Osman Saim ; Rentz Lawrence Edward ; Carr Roger Jordan ; Toth Joseph Robert ; Dewhurst Edward A. ; Baily Frederick Geo, Brush seals for steam turbine applications.
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Addis,Mark E., Clamp lock brush seal assembly.
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Hollis, Terry L.; Sileo, Gerry A.; Jorgensen, Stephen W.; Kraft, Robert J.; Martling, Vincent C., Coated seal article used in turbine engines.
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Sileo, Gerry A.; Hollis, Terry L., Coated seal article with multiple coatings.
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David Robert Skinner ; Bharat S. Bagepalli ; Robert Harold Cromer ; Osman Saim Dinc TR; Norman Arnold Turnquist ; Christopher Edward Wolfe, Combined brush seal and labyrinth seal segment for rotary machines.
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Skinner David Robert ; Bagepalli Bharat S. ; Cromer Robert Harold ; Dinc Osman Saim,TKX ; Turnquist Norman Arnold ; Wolfe Christopher Edward, Combined brush seal and labyrinth seal segment for rotary machines.
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Cromer Robert Harold ; Bagepalli Bharat S. ; Turnquist Norman Arnold ; Wolfe Christopher Edward, Combined brush/labyrinth seal for rotary machines.
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Turnquist Norman Arnold ; Cromer Robert Harold ; Placek Ronald John ; Skinner David Robert ; Wolfe Christopher Edward, Combined labyrinth and brush seals for rotary machines.
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Turnquist Norman Arnold ; Cromer Robert Harold ; Placek Ronald John ; Skinner David Robert ; Wolfe Christopher Edward, Combined labyrinth and brush seals for rotary machines.
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Garner,Chad Marcus, Compressor system with movable seal lands.
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Jorgensen, Stephen W., Convoluted seal with enhanced wear capability.
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Addis,Mark E., Cooling arrangement for brush seal.
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Fremerey Johan K.,DEX ; Polachowski Stephan,DEX ; Reiff Heinrich,DEX, Device for breaking eddies at a surface submerged by a turbulent flow.
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Gulshan K. Arora, Dual pressure balanced noncontacting finger seal.
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Wei Tong ; Robert Russell Mayer ; Mahmut Faruk Aksit, Flexible magnetic rubber brush seal for generators.
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Braun Minel J. ; Choy Fred K., Floating brush seal.
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Braun Minel J. ; Choy Fred K., Hybrid floating brush seal.
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Bagepalli Bharat S. ; Cromer Robert H. ; Dinc Osman S. ; Maynard James, Hybrid labyrinth and cloth-brush seals for turbine applications.
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Dinc Osman S. ; Maynard James ; Bagepalli Bharat S. ; Cromer Robert H., Hybrid labyrinth and cloth-brush seals for turbine applications.
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Sarshar, Hamid Reza; Turnquist, Norman Arnold; Dinc, Osman Saim, In situ load sharing brush seals.
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Grondahl, Clayton M., Leaf seal assembly including polymer member and rotary machine containing such seal assembly.
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Addis,Mark E., Method of forming a nested can brush seal.
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Tabbita,Martin G.; Moore,Kenneth D.; Beals,James T.; Nardone,Vincent C., Method of manufacturing a brush seal.
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Neef, Matthias; Sürken, Norbert; Urlichs, Karl, Method of sealing a gap using multistage brush seal.
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Vance John M. ; Shultz Richard R., Modulated pressure damper seals.
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Dinc Osman Saim ; Turnquist Norman Arnold ; Cromer Robert Harold ; Reluzco George Ernest ; Wolfe Christopher Edward, Positive biased packing ring brush seal combination.
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Cromer Robert Harold ; Turnquist Norman Arnold ; Wolfe Christopher Edward ; Bagepalli Bharat S., Positive pressure-actuated brush seal.
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Reluzco George E. ; Farineau Thomas J. ; Rentz Lawrence E. ; Ahl Dennis R., Rub-tolerant brush seal for turbine rotors and methods of installation.
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Bowsher, Aaron; Crudgington, Peter Francis, Seal.
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Wright Christopher,GBX ; Allen Steven V,GBX ; Saysell Guy,GBX ; Morgan Jonathan J,GBX, Seal.
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Norman Arnold Turnquist ; Osman Saim Dinc ; George Ernest Reluzco ; Robert Harold Cromer ; Martin Francis O'Connor ; David Robert Skinner ; Christopher Edward Wolfe, Seal arrangement for a rotary machine such as a turbine.
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Grondahl, Clayton M., Seal assembly and rotary machine containing such seal.
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Grondahl, Clayton M., Seal assembly and rotary machine containing such seal.
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Beichl, Stefan; Gail, Alfons, Seal system.
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McMillan, Alison J, Seals and a method of making seals.
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Kowalczyk, Mark William, Seals for turbines and turbo machinery.
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Reluzco George Ernest ; Woodmansee Donald Ernest ; Dinc Osman Saim ; Turnquist Norman Arnold ; Wolfe Christopher Edward, Self-centering brush seal.
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Ruggiero, Eric John; Lusted, Roderick Mark, System and method for adjusting stiffness of a brush sealing system.
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Landi, Giacomo, Turbomachine.
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Frank Stauder CA; Ian Lockley CA; Sylvain Nadeau CA; William Holmes CA; Alexander Graham Hunt CA, Turbomachine shroud fibrous tip seal.
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Bhattacharyya, Abhijit; Marscher, William D., Turbomachinery seal.
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Mayer, Robert Russell; Bagepalli, Bharat Sampathkumaran; Aksit, Mahmut Faruk, Ventilated trickle seal.
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Bagepalli Bharat S. (Schenectady NY) Cromer Robert H. (Gloversville NY) Dinc Osman S. (Troy NY) Maynard James (Clifton Park NY), Woven seal and hybrid cloth-brush seals for turbine applications.
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Bagepalli Bharat S. ; Cromer Robert H. ; Dinc Osman S. ; Maynard James, Woven seals and hybrid cloth-brush seals for turbine applications.
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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] Constant pressure drop multiple stage brush seal 원문보기