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Three pot two way check valve

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16K-015/03   
미국특허분류(USC) 137/102 ; 137/513 ; 137/527
출원번호 US-0578257 (1975-05-16)
발명자 / 주소
인용정보 피인용 횟수 : 26  인용 특허 : 0
초록
▼

A three port, two way check valve is disclosed. It is made of a standard tee and standard flanges attached thereto, typically in conformance with API standards. A flat disc is inserted in one of the openings, the disc incorporating an inernal circular valve seat and a hinged valve member which closes against the disc. A similar apparatus is installed in the center port of the tee. The flapper valve elements are connected together by a connecting rod. The connecting rod assures that when one is pulled closed that the other is pulled open. The connecting r...

대표
청구항
▼

A three-port, two-way check valve, comprising: a tee body having three ports in planes located at right angles with respect to one another; a transverse valve seat in the center port of the three ports; a valve element in said valve seat; a hinge transversely positioned adjacent to said valve seat for pivotally mounting said valve element for opening and closing relative to said valve seat; a second transverse valve seat in one of the two remaining ports; a second valve element in said second valve seat; a second hinge positioned adjacent to said second ...

이 특허를 인용한 특허 피인용횟수: 26

  1. Iglesias Gilberto (2940 SW. 99th Ave. Miami FL 33165). Anti-backflow valve for a faucet. USP1981094287905.
  2. Baca, Matthew S.; Witkowski, Brian C.. Automated relief valve control system and method. USP2018019857807.
  3. Baca, Matthew S.; Witkowski, Brian C.. Automated relief valve control system and method. USP2016039273543.
  4. Baca, Matthew S.; Witkowski, Brian C.. Automated relief valve control system and method. USP2016049322243.
  5. Grable, Jonathan L.; Orr, William M.. Backflow preventer. USP2010087784483.
  6. Teumer Henry E. (5308 Woodline Dr. South Mobile AL 36609). Check valve. USP1986084605041.
  7. Smith,Anthony George. Connector. USP2007117299823.
  8. Noll,Brad L.; Kock,Frank; Behnke,Clark; Valdivia,Salvador. Double check valve assembly. USP2008107434593.
  9. Hughes, William James; Adams, Richard W.. Flapper valve and actuator. USP2009057537062.
  10. Witkowski, Brian C.; Said, Nuder M.. Flowline flapper valve. USP2012098261771.
  11. Witkowski, Brian; Said, Nuder. Flowline flapper valve. USP2015038978695.
  12. Moner Ronald A.. In-line diversion valve with flow-through capability. USP2001046213149.
  13. Horne, Benjamin; Cameron, David. Interventionless bi-directional barrier. USP2005066904975.
  14. Arizpe, Ron; Tsuei, Lun; Long, Timothy; Hardman, Adam; Green, Matthew. Manifold assembly. USP2017029568138.
  15. Witkowski, Brian; Said, Nuder. Plug valve having preloaded seal segments. USP2015089103448.
  16. Witkowski, Brian; Said, Nuder. Plug valve having preloaded seal segments. USP2017059638337.
  17. Witkowski, Brian C.; Kotapish, Edward C.. Plug valve indicator. USP2015048998168.
  18. Witkowski, Brian; Said, Nuder. Seal assembly. USP201406D707332.
  19. Witkowski, Brian; Said, Nuder. Seal assembly. USP201507D734434.
  20. Wilkowski, Brian; Said, Nuder. Seal segment. USP201406D707797.
  21. Funderburk Robert Vernon ; Price Timothy Duane. Swing-type check valve assembly having an integrated valve seat and valve housing cover. USP1998085794655.
  22. Funderburk Robert Vernon ; Price Timothy Duane. Swing-type check valve assembly retained within a valve housing by abutting engagement with a valve cover and a port of. USP1998015711341.
  23. Matzner, Mark D.; Witkowski, Brian C.. Swivel joint with uniform ball bearing requirements. USP2014108870233.
  24. Witkowski, Brian; Matzner, Mark D.. Swivel joint with uniform ball bearing requirements. USP2018059964245.
  25. Soszka Adam,CAX ITX M8Z 2G3. Two-way diverter check valve. USP1999065915405.
  26. Hallisey, Kevin Patrick; Dunn, Christopher Michael; Hext, III, Richard George. Valve assembly and method of controlling flow of fluid. USP2017049611947.

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