Fluid compressor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 16, 2003
Issued Date -
N/A
app pub date -
Feb 6, 2003
filing date -
Aug 9, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A roller is provided in a hollow cylinder and is eccentric with the axis of the cylinder. A helical groove is made in the outer circumferential surface of the roller. A blade is fitted in the helical groove and can move into and from the helical groove. The blade forms a plurality of compression chambers between the cylinder and the roller. Coolant gas is gradually compressed in the compression chambers. The helical groove has two opposing sides. One side positioned at a high-pressure compression chamber is inclined to the other side such that the groove gradually opens toward the outer circumferential surface of the roller.
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