Electricity: motive power systems – Automatic and/or with time-delay means – With nonautomatic control means
Reexamination Certificate
2005-04-26
2005-04-26
Masih, Karen (Department: 2837)
Electricity: motive power systems
Automatic and/or with time-delay means
With nonautomatic control means
C318S602000
Reexamination Certificate
active
06885164
ABSTRACT:
A motor actuator of a climate control system includes an specialized electric motor with a motor housing enclosing an encoder ring on a motor shaft having a plurality of opposite encoder-segment sets with encoder brushes on the housing wiping the encoder ring and thereby forming an encoder circuit through opposite segments of the encoder-segment sets. The electric motor further includes power and encoder terminals positioned externally of the motor housing with at least one power terminal being electrically coupled to one of the power brushes and at least one encoder terminal being electrically coupled to one of the encoder brushes. A control head of the system includes a continuity pulse counter coupled to the at least one encoder terminal for creating pulses representative of impedance in the encoder circuit and, therefore, movement of the motor shaft and a damper linked thereto.
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Jasinski Richard Paul
Richter Ralf
Behr-Hella Thermocontrol Inc.
Birch & Stewart Kolasch & Birch, LLP
Hella Electronics Corporation
Masih Karen
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