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특허 상세정보

Check valve

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16K-015/03   
미국특허분류(USC) 137/5278 ; 137/5157
출원번호 US-0398168 (1973-09-17)
우선권정보 JA-0011824 (1968-02-26)
발명자 / 주소
인용정보 피인용 횟수 : 27  인용 특허 : 0
초록

A check valve, comprising in combination, a valve body defining a cylindrical passage for fluid flow therethrough from an upstream side to a downstream side of said valve body; a step on said upstream side for retaining a disc thereon; a hollow cylindrical support with top and bottom portions mounted on the downstream side of said valve body around said defined passage with a straight retaining groove towards the top portion of said hollow cylindrical support for retaining a shaft; a circular disc valve with a disc face sized to seal off said defined pas...

대표
청구항

In a check valve comprising a valve body having a stepped bore providing an inlet bore, an outlet bore of greater diameter than said inlet bore and a wall extending laterally of and between said inlet and outlet bores, providing a valve seat, a circular valve support having its periphery detachably mating with said outlet bore and an end face positioned against said valve body wall, said valve support having a bore of a greater diameter than said inlet bore, a disc valve being of a smaller diameter than and positioned in said valve support bore and being...

이 특허를 인용한 특허 피인용횟수: 27

  1. Schnatmeyer Hans (Bremen DT) Schutzer Gerhard (Stuhr-Moordeich DT). Check valve. USP1977064027695.
  2. Teumer Henry E. (5308 Woodline Dr. South Mobile AL 36609). Check valve. USP1986084605041.
  3. Page Robert G. (Farnham GB2) Milton John S. (Guildford GB2). Check valve and a seal for a check valve. USP1987114706706.
  4. McNeely Michael D. (Katy TX). Check valve mechanism. USP1986054586534.
  5. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Check valve seat and cage retainer. USP1988114782855.
  6. Schertler William E. (R.R. 1 Red Level AL 36474). Check valve with removable seat. USP1980054201241.
  7. Brown Douglas S. (Vassar MI). Drain trap and cover construction. USP1977084043354.
  8. Rolling, James A.. Fuel drip prevention method. USP2004116810920.
  9. Eagen Duane M. (Norman OK) Meek Robert K. (Norman OK). Jacketed valve. USP1987084687018.
  10. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Support for check valve disc. USP1989084852607.
  11. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve. USP1989104872478.
  12. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve. USP1989104872479.
  13. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve. USP1989104872480.
  14. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with hinge pin insert. USP1989084860789.
  15. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with hinge pin retainer. USP1990034905728.
  16. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with hinge pin retainer. USP1989054832076.
  17. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with removable cage and disc. USP1988114781212.
  18. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with secured cage. USP1991014982759.
  19. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with secured cage. USP1990114971103.
  20. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with secured cage. USP1991035000223.
  21. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with secured cage. USP1990124977924.
  22. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with secured cartridge. USP1989084852603.
  23. Nash Franklin A. (4817 Welford Bellaire TX 77401). Thermoplastic check valve. USP1980034191205.
  24. Scaramucci Domer (3245 S. Hattie Oklahoma City OK 73129). Tilting disc check valve. USP1980104230150.
  25. Teumer Henry E. (5308 Woodline Dr. S. Mobile AL 36609). Top-entry check valve. USP1985044508139.
  26. Lyons, Ian. Valve insert. USP2016059353875.
  27. Goodwin Richard S. (Stoke-On-Trent GB2). Wafer check valves. USP1987094694853.