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State-based control in an air handling unit

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F24F-011/00
  • F24F-011/04
  • G05D-023/19
출원번호 US-0563771 (2014-12-08)
등록번호 US-9835347 (2017-12-05)
발명자 / 주소
  • Asmus, Matthew J.
  • Kinsella, Peter A.
출원인 / 주소
  • Johnson Controls Technology Company
대리인 / 주소
    Foley & Lardner LLP
인용정보 피인용 횟수 : 0  인용 특허 : 45

초록

A state-based control system for an air handling unit (AHU) includes a finite state machine configured to transition between a high cooling load state and a low cooling load state. In the high cooling load state, the system maintains the temperature of a supply airstream provided by the AHU at a fix

대표청구항

1. A control system for an air handling unit (AHU) in a building HVAC system, the control system comprising: a supply air fan configured to provide a supply airstream to a building zone;one or more cooling stages configured to chill the supply airstream;a supply air temperature sensor configured to

이 특허에 인용된 특허 (45)

  1. Hudson, Brian R., Apparatus and method for environmentally conditioning a space.
  2. Oltman Robert L. (Stoddard WI) Carey Michael D. (Holmen WI), Apparatus and method of oil charge loss protection for compressors.
  3. Nashner Lewis M. (Lake Oswego OR), Apparatus for characterizing gait.
  4. Kowald, Glenn Will; Hadzidedic, Darko, Auxiliary controller of a HVAC system.
  5. Baldwin Joe M. (Clarksville TN) Cotton Dale C. (Clarksville TN), Average air temperature sensor.
  6. Alvarez, Robert J.; Murtha, Gregory W.; Shahin, Islam O., Combination water heating and space heating apparatus and control therefor.
  7. Aldridge, Richard L.; Song, Michael X.; Johnson, Tedd P., Configurable PTAC controller with alternate temperature sensors.
  8. Warren,Donald; Smith,John, Control algorithm for backup power system.
  9. Sullivan Brian T. (La Crosse WI) Goshaw Craig M. (La Crosse WI) Rentmeester Paul C. (La Crosse WI), Control method and apparatus for a centrifugal chiller using a variable speed impeller motor drive.
  10. Lifson, Alexander; Taras, Michael F.; Dobmeier, Thomas J., Control scheme for multiple operating parameters in economized refrigerant system.
  11. Hugghins,Gordon Jeffrey, Control system and method for multistage air conditioning system.
  12. Boydstun, Roger L.; Helt, Robert W.; Hugghins, Gordon Jeffrey; Garrett, Carl L.; Blair, Daniel J.; Royoroft, Robert G.; Storm, Timothy W., Control system interface with display for air conditioning apparatus.
  13. Amundson,John B.; Stoner,Marcus D., Controller with programmable service event display mode.
  14. Wruck Richard A. (Mount Prospect IL) Shavit Gideon (Highland Park IL), Defrost for air handling system utilizing direct expansion cooling.
  15. Alex Lifson ; Boris Karpman, Economizer circuit enhancement.
  16. Bishop Richard A. (Clarksville TN) Baldwin Joe M. (Clarksville TN), Economizer preferred cooling control.
  17. Sibik Lee L. (Onalaska WI) Leaver Daniel C. (La Crosse WI) Glamm Paul R. (La Crosse WI), Evaporator water temperature control for a chiller system.
  18. Krocker,Robert E.; Baier,Terence D.; Renaud,Merle A.; Rentmeester,Paul C.; Swanson,Robert M.; Wilson,Patrick J.; Johnson,Kirk W., HVAC service tool with internet capability.
  19. Jackson Ronald E. (Indianapolis IN), HVAC zone control system.
  20. Dobmeier, Thomas J.; Taras, Michael F.; Bussjager, Ruddy C., Humidity control and efficiency enhancement in vapor compression system.
  21. Lifson,Alexander; Taras,Michael F., Hybrid tandem compressor system with multiple evaporators and economizer circuit.
  22. Butler, William P.; Carey, Steven L.; Pham, Hung; Jayanth, Nagaraj, Interactive control system for an HVAC system.
  23. Grohman, Wojciech, Method and apparatus for configuring a communicating environmental conditioning network.
  24. Grohman, Wojciech, Method and apparatus for configuring a communicating environmental conditioning network.
  25. Salsbury, Timothy I.; Chen, Bin, Method and apparatus for sequencing multistage systems of known relative capacities.
  26. Haley, Paul F.; Dorman, Dennis R., Method of optimizing and rating a variable speed chiller for operation at part load.
  27. Bush,James W.; Holden,Steven J., Multi-temperature cooling system.
  28. Helt, Robert W.; Hugghins, Gordon Jeffrey; Garrett, Carl L., Multiple thermostats for air conditioning system with time setting feature.
  29. Helt, Robert W.; Hugghins, Gordon Jeffrey; Garrett, Carl L., Multiple thermostats for air conditioning system with time setting feature.
  30. Zilbermann Andre H. (6421 Lavendale Dallas TX 75230) Aronoff Melvin S. (11230 Shelterwood La. Dallas TX 75230), Multizone air terminal.
  31. Blunn, Brad M.; Johnson, Tedd P.; Shedivy, Eugene R.; McKeever, James K.; Bjorklund, Chad A.; Watercott, Dwight J., Optimization of building ventilation by system and zone level action.
  32. Polley Phillip L. ; Hansen William G., Outdoor fan control for part load efficiency.
  33. Gutheim, August W.; Lane, L. Thomas, Refrigerant compression system with selective subcooling.
  34. Lifson, Alexander; Taras, Michael F., Refrigerant vapor compression system operating at or near zero load.
  35. Shah,Rajendra K.; Ryan,Jerry D., Self-configuring controls for heating, ventilating and air conditioning systems.
  36. Shah, Rajendra K.; Ryan, Jerry D., Serial communicating HVAC system.
  37. Hirai Yuichi (Kawasaki JPX) Kamada Masashi (Kawasaki JPX) Matsumoto Masashi (Kawasaki JPX) Suzuki Noriyuki (Tokyo JPX), Serial printer with carriage position control.
  38. Alford, Malcolm L., Space conditioning system having multi-stage cooling and dehumidification capability.
  39. Lifson, Alexander; Taras, Michael F., Suction modulation valve for refrigerant system with adjustable opening for pulse width modulation control.
  40. Butler,William P.; Drake,Dean A.; Jayanth,Nagaraj B., Unitary control for air conditioner and/or heat pump.
  41. Williams, Eric B., Unitary control module with adjustable input/output mapping.
  42. Butler, William P.; Evans, Edward B.; Lorenz, Thomas B.; Mueller, Carl J.; Carey, Steven L.; Vogel, G. Scott, Universal apparatus and method for configurably controlling a heating or cooling system.
  43. Rousseau,William H., Variable speed drive chiller system.
  44. William H. Rousseau, Variable speed drive chiller system.
  45. Ellis, Daniel L.; Nerurkar, Laxmikant N., Water-cooled air conditioning system using condenser water regeneration for precise air reheat in dehumidifying mode.
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