Scroll fluid machine having an adiabatic expansion chamber

Details Scroll fluid machine having an adiabatic expansion chamber Scroll fluid machine having an adiabatic expansion chamber

2007-02-20

2008-03-11

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055100, C418S060000, C418S083000

Reexamination Certificate

active

07341439

ABSTRACT:
A scroll fluid machine comprises a driving shaft having an eccentric axial portion at one end; a fixed scroll having a fixed wrap; and an orbiting scroll having an orbiting wrap and rotatably mounted to the eccentric axial portion of the driving shaft. A gas introduced through an inlet on the outer circumference of the fixed scroll is compressed by a compression chamber between the fixed and orbiting wraps towards the center and discharged through an outlet close to the center. Between the eccentric axial portion and the innermost winding portion of the fixed wrap, an adiabatic expansion chamber is formed thereby cooling the compressed gas right before discharging.

REFERENCES:
patent: 6338912 (2002-01-01), Ban et al.
patent: 6716009 (2004-04-01), Sowa et al.
patent: 2005/0031469 (2005-02-01), Yanagisawa et al.
patent: 2001329970 (2001-11-01), None
patent: 2004-28033 (2004-01-01), None

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