Electricity: motive power systems – Reciprocating or oscillating motor
Reexamination Certificate
2005-11-09
2008-12-02
Ip, Paul (Department: 2837)
Electricity: motive power systems
Reciprocating or oscillating motor
C318S135000, C417S044100
Reexamination Certificate
active
07459868
ABSTRACT:
An apparatus and method are disclosed to control an operation of a reciprocating compressor capable of precisely controlling an operation (stroke) of a reciprocating compressor regardless of a parameter of an internal motor of the reciprocating compressor and a mechanical error of the reciprocating compressor. The apparatus for controlling an operation of a reciprocating compressor which determines a stroke estimate value corresponding to a point when a discharge valve of the reciprocating compressor is opened as a stroke reference value, and controls a voltage applied to the reciprocating compressor according to the determined stroke reference value.
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Hwang Min Gyu
Lee Chel Woong
Yoo Jae Yoo
Birch & Stewart Kolasch & Birch, LLP
Ip Paul
LG Electronics Inc.
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