Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Reexamination Certificate
2007-02-27
2007-02-27
Estrada, Angel R. (Department: 2831)
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
C361S600000, C417S045000, C318S687000
Reexamination Certificate
active
10155342
ABSTRACT:
An apparatus and method for controlling the maximum stroke of a linear compressor is provided. The shorting of the normal supply voltage of a compressor to ground is used to detect overstroking. A plurality of transistors are electrically coupled to the control circuit that is electrically coupled to a linear compressor. When the compressor's stroke exceeds it maximum stroke marked by the refrigerant barrel of the compressor making physical contact with the armature, a signal is received by the control circuit. The control circuit processes this signal and sequences the transistors to return the extended stroke of the compressor to its maximum stroke.
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Airxcel, Inc.
Estrada Angel R.
Hovey & Williams, LLP
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