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Liquid level controller 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G05D-009/12
출원번호 US-0963394 (1978-11-24)
발명자 / 주소
  • Fuller Mark W. (547 Crother Memorial Hall Palo Alto CA 94305)
인용정보 피인용 횟수 : 39  인용 특허 : 0

초록

A durable, long lasting liquid level controller utilizing an encapsulated, low current, solid state circuit, projecting metal probes arranged to minimize erroneous readings due to liquid adhering to the probes and a wave discriminating means as part of the encapsulated solid state circuitry, said wa

대표청구항

A liquid level control device comprising a plurality of probes, including a high probe, a low probe and a ground probe; solid state circuit means connected to said probes; housing means encapsulating said solid state circuit means, including parts of each of said probes, whereby each of said probes

이 특허를 인용한 특허 (39)

  1. Stiles, Jr., Robert W.; Berthelsen, Lars Hoffmann; Westermann-Rasmussen, Peter; Kjaer, Gert; Lungeanu, Florin, Anti-entrapment and anti-dead head function.
  2. Ewing Leonard G. (2305 Brittany Grace New Braunfels TX 78130) Chesnut Milton L. (1404 Deer Run San Antonio TX 78232), Apparatus for adjustably controlling the size of an ice bank.
  3. Koenig Robert H. ; Koenig Richard E., Automatic sub-floor pumping system.
  4. Koenig Robert H. ; Koenig Richard E., Automatic sub-floor pumping system.
  5. Boese, Thomas G.; Bishop, Michael B.; Ambrose, Jeffrey C.; Emerson, John; Paton, David E.; Mazza, Joseph J., Battery backup sump pump systems and methods.
  6. Dahl Ernest A. (3247 Breaker Dr. Ventura CA 93003) Barry George H. (21225 Saratoga Hills Rd. Saratoga CA 95070), Battery electrolyte level sensor.
  7. Bartels James I. (Hudson WI), Boiler low water sensing system utilizing energy transfer network means for delay.
  8. David F Ford, Cold beverage refill system.
  9. David F. Ford, Cold beverage refill system.
  10. Ward, Charles Barry, Condensate pump.
  11. 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.
  12. 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.
  13. Beller,Johann, Device for detecting a defined filling level of a medium in a container.
  14. Robol, Ronald B.; Hruby, Daniel J.; Colvin, Johnathan Steven, Discharge vacuum relief valve for safety vacuum release system.
  15. Stiles, Jr., Robert W.; Berthelsen, Lars Hoffmann; Westermann-Rasmussen, Peter; Kjaer, Gert; Lungeanu, Florin, Flow control.
  16. Hotine William (P.O. Box 216 Albion CA 95410), Fluent material level control system.
  17. Atkinson Harry,GBX, Fluid-gauging system and methods.
  18. Baron Richard D. (Zephyrhills FL) Jones Michael H. (Clearwater FL) Kent David E. (Palm Harbor FL), Hot beverage dispensing machine.
  19. Severtson Lyndon W. (R.R. 2 ; Box 120 Hills MN 56138), Liquid flow detector system.
  20. Rudy Richard M. (305 Timbercove Cir. Longwood FL 32750) Fitzgerald Thomas J. (100 Elizabeth Ave. Altamonte Springs FL 32701), Liquid level sensor for controlling pump operation.
  21. Albin Robert ; Cacciola John A., Liquid level sensor utilizing AC and resistance.
  22. 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.
  23. Miller James W. (705 Flintlock Dr. Bel Air MD 21014), Moisture alarm.
  24. Arzberger William A. (13 Knollwood Rd. Medfield MA 02052) Riley Michael J. (30 Day Cir. Pembroke MA 02359) LaLumiere Edward J. (30 Day Cir. Woburn MA 01801) DeCastro ; Jr. William H. (B1-8 Lydon La. , Post mix fruit juice dispenser.
  25. Koehl, Robert M., Pump controller system and method.
  26. Koehl, Robert M., Pump controller system and method.
  27. Koehl, Robert M., Pump controller system and method.
  28. Koehl, Robert M., Pump controller system and method.
  29. 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.
  30. Stiles, Jr., Robert W.; Berthelsen, Lars Hoffmann; Robol, Ronald B.; Yahnker, Christopher; Runarsson, Elnar Kjartan, Pumping system with power optimization.
  31. 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.
  32. Stiles, Jr., Robert W.; Berthelsen, Lars Hoffmann, Safety vacuum release system.
  33. Ulrich, Markus; Babic, Vlatko; Krenz, Guenther; Haeberer, Rainer; Ratzel, Wolf-Ingo; Hezel, Bruno; Gerlach, Michael; Straus, Vaclav, Sensor arrangement for determining a tank fill level, and method for producing it.
  34. Jensen Borge R. (Brussels BEX), Submersible pumps.
  35. Mehlhorn,William L., Switch assembly, electric machine having the switch assembly, and method of controlling the same.
  36. Mehlhorn,William L., Switch assembly, electric machine having the switch assembly, and method of controlling the same.
  37. Mehlhorn,William L., Switch assembly, electric machine having the switch assembly, and method of controlling the same.
  38. Coppola Peter J. (Burlington MA), Syrup sensor for dispensing machine.
  39. Gilbert Paul A. ; Jobe Terry V. ; Morrow Johnny Lee ; McEwen Thomas Vertis, System for monitoring and controlling the level of a liquid in a closed container.
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