Pumps – Expansible chamber type – Valved piston
Reexamination Certificate
2005-07-05
2005-07-05
Tyler, Cheryl (Department: 3746)
Pumps
Expansible chamber type
Valved piston
C417S555100, C417S552000, C137S512150, C137S315330
Reexamination Certificate
active
06913450
ABSTRACT:
A suction valve coupling structure for a reciprocating compressor is disclosed in which a piston being linearly moved in a cylinder upon receipt of driving force from an electric mechanism unit, according to which gas flows through a gas flow passage formed therein, is coupled by welding to a valve for opening and closing the gas flow passage, thereby strengthening the coupling state of the suction valve. Since the coupling structure is simplified, a dead volume is reduced and a stroke volume is increased, improving compression efficiency. A stroke control of the piston is facilitated to enable a precise control of movement of the piston. In addition, a reliability of the coupling of the suction valve can be improved.
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Hong Seong-Joon
Kim Hyeong-Suk
Ku Bon-Cheol
Yoon Hyung-Pyo
LG Electronics Inc.
Ostrolenk Faber Gerb & Soffen, LLP
Sayoc Emmanuel
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