Refrigeration – Automatic control – Refrigeration producer
Reexamination Certificate
2005-03-08
2008-08-19
Tapolcai, William E. (Department: 3744)
Refrigeration
Automatic control
Refrigeration producer
C062S236000, C062S237000
Reexamination Certificate
active
07412840
ABSTRACT:
A ground-based system and method of supplying electrical power and temperature-controlled air to an aircraft environmental control system during ground support operations uses a throttle valve to control the flow of compressed air flowing through a heat exchanger. An air conditioner module mounted on a wheeled cart removes heat from the compressed air that is supplied to it from an auxiliary power unit (APU), and supplies cooled compressed air at a desired temperature. The temperature of the cooled compressed air is controlled by selectively positioning a throttle valve, which regulates compressed air flow from the compressed air source. The throttle valve position is controlled in response to one or more ambient meteorological conditions and/or the amount of electrical power being supplied from the system.
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Honeywell International , Inc.
Ingrassia Fisher & Lorenz P.C.
Tapolcai William E.
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