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특허 상세정보

Check valve with removable seat

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16K-015/03   
미국특허분류(USC) 137/527 ; 137/4542
출원번호 US-0810927 (1977-06-29)
발명자 / 주소
인용정보 피인용 횟수 : 25  인용 특허 : 3
초록

A check valve apparatus provides an overall valve body which can be placed in any typical flow line, a removable seat being provided at the inner portion of the valve body, the seat having a center orifice through which fluids can flow. The seat can be attached using a plurality of temporary tensile connectors, and the seat having a recess which receives a valving member therein. The valving member pivots in the seat and is weighted to a degree which aids in closure under static flow conditions. A closure spring can be added to further insure closure of ...

대표
청구항

A pipeline check valve, comprising: a. a valve body provided with a recess, said valve body having a flow opening therethrough communicating with said recess; b. a removable valve seat, said valve seat provided with a fluid opening therethrough, said valve seat corresponding to said recess and being attachable to said valve body within said recess with said flow opening of said body and said fluid opening of said seat aligning to allow fluid flow through said aligned openings; c. a valving member in operative connection with said valve seat, said valving...

이 특허를 인용한 특허 피인용횟수: 25

  1. King Russell W.. Aerosol medication delivery system. USP1998045738087.
  2. Seto, Takeshi; Takagi, Kunihiko; Kawasumi, Kazuo. Check valve and pump including check valve. USP2010027654283.
  3. Marica, Adrian. Dampeners for pumping systems. USP2017019546648.
  4. Rolling, James A.. Fuel drip prevention method. USP2004116810920.
  5. Eagen Duane M. (Norman OK) Meek Robert K. (Norman OK). Jacketed valve. USP1987084687018.
  6. Marica, Adrian. Poppet valve for pump systems with non-rigid connector to facilitate effective sealing. USP2014068757592.
  7. Romer Bendt W. (Sonderborg DKX). Pressure valve for a compressor. USP1985064524806.
  8. Marica, Adrian. Pumping systems with dedicated surge dampeners. USP2016059328729.
  9. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Support for check valve disc. USP1989084852607.
  10. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve. USP1989104872478.
  11. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve. USP1989104872479.
  12. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve. USP1989104872480.
  13. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with hinge pin insert. USP1989084860789.
  14. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with hinge pin retainer. USP1990034905728.
  15. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with hinge pin retainer. USP1989054832076.
  16. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with removable cage and disc. USP1988114781212.
  17. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with removable cartridge. USP1989034813451.
  18. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with secured cage. USP1990114971103.
  19. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with secured cage. USP1991035000223.
  20. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with secured cage. USP1990124977924.
  21. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with secured cartridge. USP1989084852603.
  22. Teumer Henry E. (5308 Woodline Dr. S. Mobile AL 36609). Top-entry check valve. USP1985044508139.
  23. Marica, Adrian. Valve cartridge for pump systems. USP2014098827242.
  24. Marica, Adrian. Valve having opposed curved sealing surfaces on a valve member and a valve seat to facilitate effective sealing. USP20181010094366.
  25. Goodwin Richard S. (Stoke-On-Trent GB2). Wafer check valves. USP1987094694853.