Unit For Generating and Treating Compressed Aeriform Fluids, With an Improved Cooling System
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United States of America Patent
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Issued Date -
Dec 4, 2008
app pub date -
May 17, 2006
filing date -
Nov 28, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The unit (1) comprises a positive-displacement compressor (2) including: a prime mover (4), a rotatable shaft (5) rotatable by the prime mover (4), and at least one cylinder (7-10) in which an associated piston (11, 12), coupled to the shaft (5) by means of a crank mechanism (13, 14), is mounted for sliding in a leaktight manner; and a heat-exchanger unit (3) for receiving and cooling the compressed fluid produced by the compressor (2). The unit comprises at least one tapping duct (41; 41a, 41b) extending between the heat-exchanger unit (3) and that region of the at least one cylinder (7-10) which is disposed between the associated piston and the shaft (5), the duct being suitable for supplying a flow of compressed fluid to that region in operation in a manner such that the flow of fluid can expand and be cooled further in that region.
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