US Patent No: 7,244,294

Number of patents in Portfolio can not be more than 2000

Air filter monitoring system

ALSO PUBLISHED AS: 20060032379
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Abstract

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A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EMERSON CLIMATE TECHNOLOGIES, INC.SIDNEY, OH360

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kates, Lawrence Corona Del Mar, CA 222 2059

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (6)
8,006,407 Drying system and method of using same 3 2007
8,657,936 Direct replacement air filter with automatic filter media advance and wireless communications 0 2010
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CARRIER CORPORATION (1)
* 7,494,536 Method for detecting a fault in an HVAC system 1 2005
 
EMERSON CLIMATE TECHNOLOGIES, INC. (9)
7,424,343 Method and apparatus for load reduction in an electric power system 12 2004
7,275,377 Method and apparatus for monitoring refrigerant-cycle systems 12 2004
7,331,187 Intelligent thermostat system for monitoring a refrigerant-cycle apparatus 12 2005
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8,034,170 Air filter monitoring system 6 2007
* 2012/0260,804 AIR FILTER MONITORING SYSTEM 2 2011
8,964,338 System and method for compressor motor protection 0 2013
* 8,974,573 Method and apparatus for monitoring a refrigeration-cycle system 0 2013
 
LENNOX INDUSTRIES INC. (40)
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8,452,906 Communication protocol system and method for a distributed-architecture heating, ventilation and air conditioning network 18 2009
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8,761,945 Device commissioning in a heating, ventilation and air conditioning network 0 2012
 
Demand Side Environmental, LLC (1)
8,322,151 Systems and methods for gathering data from and diagnosing the status of an air conditioner 1 2008
 
HONEYWELL INTERNATIONAL INC. (8)
* 8,734,565 Methods and systems of verifying a filter change in an HVAC system 0 2011
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* 2012/0318,138 METHODS AND SYSTEMS FOR SETTING AN AIR FILTER CHANGE THRESHOLD IN AN HVAC SYSTEM USING A BLOCKING PANEL 3 2011
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GEORGIA TECH RESEARCH CORPORATION (2)
* 8,886,489 Motion detecting method and device 0 2010
8,938,367 Motion detecting device, method of providing the same, and method of detecting movement 0 2013
 
LG ELECTRONICS INC. (1)
* 7,909,922 Dehumidifier 1 2006
 
BD Technology Partners (1)
* 8,029,608 Furnace filter indicator 6 2006
 
LENNOX INDUSTRIES (1)
8,560,125 Communication protocol system and method for a distributed-architecture heating, ventilation and air conditioning network 2 2009
* Cited By Examiner

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