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특허 상세정보

Automatic valve

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16K-031/08    F16K-031/122   
미국특허분류(USC) 251/65 ; 251/635 ; 355/306
출원번호 US-0305205 (1989-02-02)
우선권정보 JP-0024975 (1988-02-29)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 18  인용 특허 : 3
초록

An automatic valve comprising a first cylindrical magnet as a part of a valve rod axially slidable in a valve chamber for opening and closing a valve port and a second cylindrical magnet as a part of a piston disposed around and coaxially with the first cylindrical magnet for magnetically actuating the valve member under pneumatic control, in which respective ring magnets constituting each of the first and the second cylindrical magnets are stacked such that identical magnetic poles are axially faced to each other increasing the magnetic attraction force...

대표
청구항

An automatic valve comprising: a valve chamber having at least two fluid ports, including one at a top end thereof and another at a rear end thereof, and an inner circumferential wall surface between said ends thereof; a valve shaft contained in the valve chamber for sliding in the axial direction of said valve shaft and valve chamber, said valve shaft having a top end and a back end, and an outer circumferential wall surface between said ends thereof; said valve shaft having a valve body formed at said top end thereof for closing one of said fluid ports...

이 특허를 인용한 특허 피인용횟수: 18

  1. Petro,John P.; Burch,Donald; Mayer,Jeremy F.. Bistable dual-magnet valve unit. USP2006027004446.
  2. Yajima, Takeo. Chemical liquid supply device. USP2011027878375.
  3. Vick, Jr., James D.. Deep set safety valve. USP2009127624807.
  4. Vick, Jr.,James D.. Deep set safety valve. USP2006016988556.
  5. Vick, Jr.,James D.. Deep set safety valve. USP2008107434626.
  6. Vick, Jr.,James D.. Deep set safety valve. USP2007057213653.
  7. Vick, Jr., James D.; Williamson, Jr., Jimmie R.; Scott, Bruce E.. Eccentric safety valve. USP2014108869881.
  8. Vick, Jr., James D.; Williamson, Jr., Jimmie R.; Scott, Bruce E.. Eccentric safety valve. USP2013118573304.
  9. Scott, Bruce E.; Goiffon, John J.. Electrically actuated insert safety valve. USP2013088511374.
  10. Williamson, Jr., Jimmie R.; Vick, Jr., James D.. Electrically operated well tools. USP2010017640989.
  11. Bertrand Gruson FR. Filling spout whose flow rate can be adjusted by a single actuator device. USP2002046375050.
  12. Sooudi Sidney K. ; Taylor Edward C.. Liquid dispensing device and methods utilizing a magnetically coupled valve stem. USP2000126161722.
  13. Bedore Daniel Blaine ; Goldberg Gary Lester. Magnetic actuated valve. USP2000076092545.
  14. McEachern David A.. Magnetic cylinder with pressurized air holes. USP2000056062140.
  15. Vick, Jr., James D.. Magnetically coupled safety valve with satellite inner magnets. USP2014128919730.
  16. Vick, Jr., James D.; Williamson, Jr., Jimmie R.. Magnetically coupled safety valve with satellite outer magnets. USP2011108038120.
  17. Merabet, Djamel; Prus, Eric; Ballu, Patrick. Magnetically-coupled valve. USP2010067726524.
  18. Scott, Bruce E.; Goiffon, John J.. Safety valve with provisions for powering an insert safety valve. USP2013078490687.