Patent ID: 7685839
Filing Date: 2010-03-30
Classification: F25B,F28D

Abstract:
1. An apparatus for a refrigeration system comprising an accumulator having a chamber for receiving refrigerant; an expander for expanding refrigerant and disposed in said chamber, wherein said expander comprises a conduit for carrying refrigerant therethrough, said conduit having an impedance over at least a portion of its length to produce a pressure drop in fluid therealong; an enclosure in said chamber for carrying gaseous and/or two-phase refrigerant therealong, said enclosure being defined by an enclosure wall and having a fluid inlet, a fluid outlet, and a portion disposed in a lower portion of said accumulator, the lower portion of the enclosure having one or more bleed holes formed therein for introducing fluid from said chamber into said enclosure, and wherein a major surface area of said conduit is in heat exchange relationship with the interior of said enclosure.