Apparatus and method for servicing vapor compression cycle equipment
First Claim
1. An apparatus for servicing a malfunctioning air-conditioning system including an electric motor, said apparatus comprising:
- a first sensor for sensing a first operating parameter of said malfunctioning air-conditioning system;
a second sensor for sensing a second operating parameter of said malfunctioning air-conditioning system;
a third sensor for sensing a motor operating parameter of said malfunctioning air-conditioning system;
a micro-controller in communication with said sensors for receiving a signal from each of said sensors;
a hand held computer in communication with said micro-controller, said computer having a memory containing normal operating parameters for a plurality or air-conditioning systems, said computer being operable to compare said first, second and motor operating parameters with said normal parameters of one of said plurality of air-conditioning systems to diagnose said malfunctioning air-conditioning system.
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Abstract
An apparatus and method for detecting faults and providing diagnostic information in a refrigeration system comprising a microprocessor, a means for inputting information to the microprocessor, a means for outputting information from the microprocessor, and five sensors. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that this abstract will not be used to interpret or limit the scope or meaning of the claims.
169 Citations
20 Claims
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1. An apparatus for servicing a malfunctioning air-conditioning system including an electric motor, said apparatus comprising:
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a first sensor for sensing a first operating parameter of said malfunctioning air-conditioning system;
a second sensor for sensing a second operating parameter of said malfunctioning air-conditioning system;
a third sensor for sensing a motor operating parameter of said malfunctioning air-conditioning system;
a micro-controller in communication with said sensors for receiving a signal from each of said sensors;
a hand held computer in communication with said micro-controller, said computer having a memory containing normal operating parameters for a plurality or air-conditioning systems, said computer being operable to compare said first, second and motor operating parameters with said normal parameters of one of said plurality of air-conditioning systems to diagnose said malfunctioning air-conditioning system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for servicing a malfunctioning air-conditioning system including an electric motor, said method comprising:
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measuring a first operating parameter of said malfunctioning air-conditioning system;
measuring a second operating parameter of said malfunctioning air-conditioning system;
measuring a motor operating parameter of said malfunctioning air-conditioning system;
providing said operating parameters to a hand held computer;
selecting one air conditioning system from a plurality of air-conditioning systems which is equivalent to said malfunctioning air-conditioning system;
comparing normal operating parameters of said one air-conditioning system with said operating parameters of said malfunctioning air-conditioning system; and
providing diagnostic results for said comparing step. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification