Rotary expansible chamber devices – Working member has planetary or planetating movement – Plural working members or chambers
Reexamination Certificate
2008-04-22
2008-04-22
Denion, Thomas (Department: 3748)
Rotary expansible chamber devices
Working member has planetary or planetating movement
Plural working members or chambers
C418S063000, C418S066000, C418S124000
Reexamination Certificate
active
11208532
ABSTRACT:
Disclosed herein is a compression unit of an orbiting vane compressor. The compression unit comprises a circular operation space formed in a cylinder, the circular operation space having opposite ends, a circular vane disposed in the operation space for performing an orbiting movement, the circular vane having opposite ends, a linear slider disposed in the operation space for performing a linear reciprocating movement while one end of the linear slider is in contact with the end of the circular vane, and a pressurizing member disposed in the operation space adjacent to the other end of the linear slider for applying pressure to the linear slider such that the linear slider is brought into tight contact with the circular vane. Consequently, interference between the inner wall of the cylinder and the circular vane is prevented, and creation of dead volume in the operation space is prevented.
REFERENCES:
patent: 1780109 (1930-10-01), Berglund
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patent: 4673339 (1987-06-01), Hayano et al.
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patent: 2006/0127256 (2006-06-01), Hwang et al.
U.S. Appl. No. 11/111,862, to Hwang et al., which was filed on Apr. 22, 2005.
Hwang Seon-woong
Kiem Myung-kyun
Yoo Dong-won
Denion Thomas
Duff Douglas J.
Greenblum & Bernstein P.L.C.
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