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Variable air volume clogged filter detector 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01N-015/08
출원번호 US-0308951 (1981-10-06)
발명자 / 주소
  • Gut Edward B. (Cook IL)
출원인 / 주소
  • Honeywell Inc. (Minneapolis MN 02)
인용정보 피인용 횟수 : 71  인용 특허 : 0

초록

A system for detecting a clogged filter in a variable air volume system having a differential pressure sensor for sensing the differential pressure drop across the filter, an air flow sensor for sensing the air flow through the duct in which the filter is located, and a difference sensor connected t

대표청구항

A system for detecting a clogged filter in a variable air volume air conditioning duct system comprising: first means for detecting the pressure drop across said filter and comprising a differential pressure sensor for providing a differential pressure output dependent upon the pressure drop across

이 특허를 인용한 특허 (71)

  1. Kates, Lawrence, Air filter monitoring system.
  2. Abbott Kenneth E. (Tucson AZ) Lyons Patrick J. (Tucson AZ), Air filtration system with safety after-filter.
  3. Reedy, John; Rogers, Steve, Air velocity apparatus and system.
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  19. Shah,Rajendra K., Detection of clogged filter in an HVAC system.
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  63. Smith, Dwayne B., System and method for detecting a condition indicative of plugging of a discharge path of an agricultural combine.
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  66. Jackson, Robert, System and method for diagnosing flow through a purge valve based on a fuel system pressure sensor.
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  69. Lamprecht,Anton W.; Leonard,Dean Laurent; Dall,William John; Burgess,David Bruce; Kheifets,Alexander, System for collecting and filtering imaging by-products.
  70. Schumacher, Mark S.; Krouth, Terrance F.; Wiklund, David E.; Habegger, Richard J.; Hineman, Richard R., System for controlling hydraulic actuator.
  71. Pham, Hung M., System for refrigerant charge verification using two condenser coil temperatures.
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