Refrigeration – Refrigeration producer – Compressor-condenser-evaporator circuit
Reexamination Certificate
2004-12-17
2008-09-09
Tyler, Cheryl J. (Department: 3744)
Refrigeration
Refrigeration producer
Compressor-condenser-evaporator circuit
C062S228500, C062S228400, C062S231000, C060S239000, C060S646000
Reexamination Certificate
active
07421854
ABSTRACT:
A control system and method are provided for the automatic startup and shutdown of a steam turbine driven chiller unit. The chiller unit includes an integrated central control panel to control operation of both the steam turbine system and the refrigerant system. The central control panel has a startup control system to automatically start the steam turbine driven chiller unit while performing necessary protective actions and a shutdown control system to automatically stop the steam turbine driven chiller unit while performing necessary protective actions.
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Shaffer Dennis Lee
Thompson Russell Mark
McNees Wallace & Nurick LLC
Pettitt John
Tyler Cheryl J.
York International Corporation
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