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Liquid level assembly with diaphragm seal

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01H-035/34
출원번호 US-0810967 (2004-03-26)
발명자 / 주소
  • Currier, Jon D.
출원인 / 주소
  • Little Giant Pump Company
대리인 / 주소
    Fellers, Snider, et al.
인용정보 피인용 횟수 : 26  인용 특허 : 16

초록

A liquid level assembly for controlling liquid level has a switching mechanism responsive to the liquid head to activate a pump. A housing assembly has an internal cavity in which the switching mechanism is supported, the housing assembly having an open end sealed by a diaphragm seal having a flexib

대표청구항

1. A liquid level assembly for use with a pump, comprising:switching means responsive to liquid head pressure for actuating the pump; a housing having an internal cavity in which the switching means is supported and having an open end; seal means for sealing the open end of the housing and for trans

이 특허에 인용된 특허 (16)

  1. Zavoda John R. (LaGrange TX), Adapter ring for a diaphragm seal.
  2. Orcutt John W. (Garland TX), Condition responsive apparatus having an improved motion transfer member.
  3. Schnell Werner J. (Niles IL), Diaphragm seal assembly.
  4. Luzzi Glenn J. (Mt. Bethel PA), Diaphragm seal for a high voltage switch environment.
  5. Jewess Gordon F. (San Diego CA) Vessa Phillip B. (San Diego CA) Keetley R. G. (San Diego CA), Diaphragm seal plate.
  6. Maruyama Masao (Hanno JPX) Kozakura Nobuto (Hanno JPX) Nakakubo Katsuya (Tokorozawa JPX) Okamoto Nobuo (Muko JPX), Diaphragm seal type tensioner.
  7. Ciurlo Ugo (Via di Moriano No. 1625 55100 Monte San Quirico ; Lucca ITX), Electromechanical device for the protection of a pump in waterworks of various types, in the absence of water.
  8. Piotrowski Thomas C. ; Clift Martin, Gauge hatch with diaphragm and liquid seal.
  9. Moessinger Klaus,DEX ; Kochert Stefan,DEX, Indicating apparatus for indicating a vacuum.
  10. Paul D. Perry CA; John E. Cook CA, Method of calibrating an integrated pressure management apparatus.
  11. Filip Stanislaw F. (Don Mills CA), Oil pressure switch having improved diaphragm seal.
  12. Kiss Vince (Concord Township OH) Davis Matthew A. (Mentor OH), Pneumatic acutated switch.
  13. Atkinson Louis D. (New Berlin WI) Rave Kevin M. (West Allis WI), Pressure responsive apparatus couples by a spring-loaded linearly moving carrier to operate a switch unit.
  14. Schurter Robert M. (Elm Grove WI) Palmerton Robert H. (New Dundee CAX), Pressure vessel with diaphragm compression seal.
  15. Filippi Giovanni ; Schroeder Jon R., Process diaphragm seal.
  16. Zavoda John R. (Houston TX), Self-retaining diaphragm seal.

이 특허를 인용한 특허 (26)

  1. Stiles, Jr., Robert W.; Berthelsen, Lars Hoffmann; Westermann-Rasmussen, Peter; Kjaer, Gert; Lungeanu, Florin, Anti-entrapment and anti-dead head function.
  2. Boese, Thomas G.; Bishop, Michael B.; Ambrose, Jeffrey C.; Emerson, John; Paton, David E.; Mazza, Joseph J., Battery backup sump pump systems and methods.
  3. Stiles, Jr., Robert W.; Berthelsen, Lars Hoffmann; Robol, Ronald B.; Cox, Everett; Steen, Donald; Murphy, Kevin; Hruby, Daniel J.; Westermann-Rasmussen, Peter; Kjaer, Gert; Harvest, Nils-Ole; Yahnker, Christopher; Woodcock, Jr., Walter; Runarsson, Einar Kjartan; Hansen, Arne Fink; Morando, Alberto; Lungeanu, Florin, Control algorithm of variable speed pumping system.
  4. Stiles, Jr., Robert W.; Robol, Ronald B.; Berthelsen, Lars Hoffmann; Harvest, Nils-Ole; Cox, Everett; Steen, Donald; Murphy, Kevin; Hruby, Daniel J.; Westermann-Rasmussen, Peter; Kjaer, Gert, Control algorithm of variable speed pumping system.
  5. Robol, Ronald B.; Hruby, Daniel J.; Colvin, Johnathan Steven, Discharge vacuum relief valve for safety vacuum release system.
  6. Stiles, Jr., Robert W.; Berthelsen, Lars Hoffmann; Westermann-Rasmussen, Peter; Kjaer, Gert; Lungeanu, Florin, Flow control.
  7. Bishop, Michael B.; Boese, Thomas G., Fluid level sensor systems and methods.
  8. Kidd, Melissa Drechsel; Genaw, William James; Pasche, Micheal Robert; Baase, II, Gary Thomas; Berthelsen, Lars Hoffmann; Fink, Rasmus; Holm, Martin Skov, Method of controlling a pump and motor.
  9. Hasunuma, Masahiro, Pressure switch.
  10. Koehl, Robert M., Pump controller system and method.
  11. Koehl, Robert M., Pump controller system and method.
  12. Koehl, Robert M., Pump controller system and method.
  13. Stiles, Jr., Robert W.; Berthelsen, Lars Hoffmann; Robol, Ronald B.; Yahnker, Christopher; Hruby, Daniel J.; Murphy, Kevin; Runarsson, Einar Kjartan; Hansen, Arne Fink; Lungeanu, Florin; Westermann-Rasmussen, Peter, Pumping system with housing and user interface.
  14. Stiles, Jr., Robert W.; Berthelsen, Lars Hoffmann; Robol, Ronald B.; Yahnker, Christopher; Runarsson, Elnar Kjartan, Pumping system with power optimization.
  15. Stiles, Jr., Robert W.; Berthelsen, Lars Hoffmann; Robol, Ronald B.; Yahnker, Christopher R.; Hruby, Daniel J.; Murphy, Kevin; Brown, Edward; MacCallum, David; Dunn, Dennis; Clack, Kenneth; Runarsson, Einar Kjartan; Morando, Alberto, Pumping system with two way communication.
  16. Kidd, Melissa Drechsel; Genaw, William James; Pasche, Micheal Robert; Baase, II, Gary Thomas; Berthelsen, Lars Hoffmann; Fink, Rasmus; Holm, Martin Skov, Safety system and method for pump and motor.
  17. Stiles, Jr., Robert W.; Berthelsen, Lars Hoffmann, Safety vacuum release system.
  18. Hickman, Ron, Self-cleaning pressure switch with a self-sealing diaphragm.
  19. Kochan, John R.; Barker, Casey, Strain gauge pump control switch.
  20. Kochan, Jr., John R.; Barker, Casey, Strain gauge pump control switch.
  21. Kochan, Jr., John R.; Barker, Casey, Strain gauge pump control switch.
  22. Bishop, Michael B.; Ambrose, Jeffrey C.; Boese, Thomas G., Sump pump remote monitoring systems and methods.
  23. Bishop, Michael B.; Ambrose, Jeffrey C.; Boese, Thomas G., Sump pump remote monitoring systems and methods.
  24. Bishop, Michael B.; Ambrose, Jeffrey C.; Boese, Thomas G., Sump pump remote monitoring systems and methods.
  25. Vijayakumar, Senthilkumar, System and method for portable battery back-up sump pump.
  26. Vijayakumar, Senthilkumar, Wheeled kit for battery-powered back-up sump pump.
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