Refrigeration – With indicator or tester – Operatively correlated with automatic control
Reexamination Certificate
2008-01-22
2008-01-22
Norman, Marc (Department: 3744)
Refrigeration
With indicator or tester
Operatively correlated with automatic control
C062S129000, C062S228100, C417S018000
Reexamination Certificate
active
07320225
ABSTRACT:
A refrigeration system including a compressor, condenser, valve, and refrigeration branch, all of which is in fluid communication. The refrigeration branch includes an evaporator coil. The refrigeration system further includes a case adapted to be cooled by the evaporator coil, and a system controller operable to control one or more aspects of the refrigeration system, and a subsystem controller in communication with the system controller. The subsystem controller is operable to control a subsystem having one of the compressor, condenser, valve, refrigeration branch, and case. The method of operating the refrigeration system includes at the subsystem controller, monitoring a parameter of the subsystem, comparing the monitored parameter with a parameter limit, generating an alarm when the parameter is not within the parameter limit, and communicating the alarm to the system controller.
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Street Norman E.
Sunderland Ted W.
Hussmann Corporation
Michael & Best & Friedrich LLP
Norman Marc
LandOfFree
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