Patent Number: 6,250,898

Title: Refrigerating cycle or compressor having foreign matter collector

Abstract: The present invention is intended to remove foreign matter such as worn powder in a refrigerating cycle and enhance the reliability in a refrigerating cycle using, in particular, HFC refrigerant. In the invention, accordingly, a coil shaped connection piping is provided in at least front portion or rear portion of a throttling unit, a fine pipe is connected to a lower portion of the connection piping, and a collector for collecting foreign matter in the refrigerating cycle is coupled to this fine pipe. Foreign matter in the refrigerant is separated from the refrigerant by centrifugal force, and is collected in the collector. Moreover, the foreign matter collecting effect is enhanced by disposing a magnetic piece in the collector.

Inventors: Fukuoka; Hirotsugu (Kusatsu, JP)

Assignee: Matsushita Electric Industrial Co., Ltd.

International Classification: B03C 1/30 (20060101); B03C 1/02 (20060101); B03C 1/28 (20060101); F04B 39/04 (20060101); F04C 29/00 (20060101); F25B 47/00 (20060101); F04C 029/00 (); F25B 043/00 (); B01D 045/02 (); B03C 001/00 ()

Expiration Date: 06/26/2018