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특허 상세정보

Face seal with spiral grooves

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16J-015/38   
미국특허분류(USC) 277/400 ; 277/096.1 ; 277/096 ; 277/399
출원번호 US-0172002 (1998-10-14)
우선권정보 CN0117081 (1997-10-17)
발명자 / 주소
대리인 / 주소
    Dykema Gossett PLLC
인용정보 피인용 횟수 : 24  인용 특허 : 6
초록

The present invention provides a face seal with spiral grooves comprising: a rotating ring including a sealing face; a stationary ring including a sealing face; the face is confronted with the face of the rotating ring to form a circular interface having a circle center; the faces of the rings can rotate relatively to each other; two spiral groove sets are provided at least on one of the faces of the rotating and the stationary rings, wherein one set disposed on the high pressure side, i.e. at the upstream, and the other set disposed on the low pressure ...

대표
청구항

[ What is claimed is:] [1.] A face seal with spiral grooves which is used on a rotating shaft of a machine, comprising:a rotating ring including a sealing face;a stationary ring including a sealing face; the sealing face of the stationary ring is confronted with the face of the rotating ring to form an annular sealing interface; the interface has a high pressure side, being an upstream side, and a low pressure side, being a downstream side;sealing fluid with low viscosity is in the interface;the face of the rotating ring can rotate relatively to the face...

이 특허를 인용한 특허 피인용횟수: 24

  1. Garrison, Glenn M.; McNickle, Alan D.; McNickle, legal representative, Diane. Air riding seal. USP2012098272643.
  2. Sha, Shaik Karimulla; Zheng, Xiaoqing; Thatte, Azam Mihir. Apparatus and systems for sealing a rotary machine using a self-cleaning face seal. USP2015089109459.
  3. Wang, Yuming. Bi-direction rotatable face seal with spiral grooves. USP2004046726213.
  4. Englander, Heinrich. Dynamic seal. USP2004036705844.
  5. Thatte, Azam Mihir; Bidkar, Rahul Anil; Zheng, Xiaoqing. Face seal with locally compliant hydrodynamic pads. USP2017049611749.
  6. Thatte, Azam Mihir; Sha, Karimulla Shaik; Bidkar, Rahul Anil; Zheng, Xiaoqing. Individually compliant segments for split ring hydrodynamic face seal. USP2017019534502.
  7. Ferris, Jason; Jacobs, Larry; Gray, Christopher. Mechanical face seal with a reverse trapezoidal face pattern. USP2017029574666.
  8. Hosanna, Rich; Savio, Joseph; Baureis, Alan D.. Non-contacting gas compressor seal. USP2003126655693.
  9. Garrison, Glenn M.. Reverse pressure double dam face seal. USP2010087780399.
  10. Zheng,Xiaoqing. Rotary face seal assembly. USP2006057044470.
  11. Colombo, Dario; Gasparini, Giuseppe; Pisani, Paolo. Sealing ring. USP2018069989153.
  12. Auber, Philippe Jacques. Shaft seal. USP2005026848689.
  13. Kirchner, Christian. Shaft seal arrangement. USP2017059657842.
  14. Itadani, Masatoshi. Sliding component. USP2018059958010.
  15. Tokunaga, Yuichiro. Sliding component. USP2017129850953.
  16. Tokunaga, Yuichiro. Sliding component. USP2016039291200.
  17. Tokunaga, Yuichiro. Sliding component. USP2016109470267.
  18. Tokunaga, Yuichiro. Sliding component. USP2016039279455.
  19. Tokunaga, Yuichiro. Sliding component. USP2014088814433.
  20. Tejima, Yoshihiro. Sliding element. USP2005066902168.
  21. Tejima,Yoshihiro. Sliding element. USP2007087258346.
  22. Tejima,Yoshihiro. Sliding element. USP2009037500676.
  23. Tejima,Yoshihiro. Sliding element. USP2006057052016.
  24. Rickert, Ronald P.. Tandem seal arrangement with reverse flow secondary seal. USP2012118313281.