Refrigeration – Automatic control – Refrigeration producer
Reexamination Certificate
2006-12-15
2009-10-27
Tapolcai, William E (Department: 3744)
Refrigeration
Automatic control
Refrigeration producer
C062S402000
Reexamination Certificate
active
07607314
ABSTRACT:
An air conditioning system includes an evaporator, a compressor, a condenser, a valve an energy recovery device and at least one bypass passage. The compressor is fluidly connected to the evaporator. The condenser is fluidly connected to the compressor. The valve is configured to control flow of high-pressure refrigerant exiting the condenser. The energy recovery device has an inlet and an outlet. The inlet is fluidly connected to the valve to receive high-pressure refrigerant and the outlet is fluidly connected to the evaporator to deliver low-pressure refrigerant thereto. The energy recovery device is configured to extract work from flow of refrigerant therethrough. When the valve is closed and refrigerant flow cutoff, suction power loss is reduced by introduction of one or both of high-pressure refrigerant or low pressure refrigerant via one or more bypass passages.
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Global IP Counselors, LLP
Nissan Technical Center North America, Inc.
Tapolcai William E
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