PSC motor system for use in HVAC applications with improved...

Details PSC motor system for use in HVAC applications with improved... PSC motor system for use in HVAC applications with improved...

2005-10-04

2005-10-04

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Motor load, armature current or force control during...

C318S807000, C318S808000, C318S810000, C318S816000, C318S817000

Reexamination Certificate

active

06952088

ABSTRACT:
A motor control system for use in heating, ventilation and air conditioning applications including a blower and a motor coupled to drive the blower, an inverter coupled to provide energization to the motor, a relay capable of coupling the motor to the output of the inverter or to line power, and a controller providing signals to control the output of the inverter, where, upon startup and transfer of the motor from the line to the inverter, the output of the inverter is controlled by the inverter to provide for an enhanced startup or transfer.

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U.S. Appl. No. 10/266,793, filed Oct. 8, 2003, Woodward et al.
U.S. Appl. No. 10/266,451, filed Oct. 8, 2003, Woodward et al.

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