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Title:
REFRIGERATION MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/102728
Kind Code:
A1
Abstract:
Provided is a refrigeration machine having: a refrigeration cycle having a compressor, a condenser, an expander, an evaporator, piping (12) which sequentially connects the compressor, the condenser, the expander, and the evaporator, and discharge piping; and an acoustic device (13) provided to the piping (12). The acoustic device (13) has a space formation section (14) having a space (S) formed therein and also having an open first end (14a) which is connected to the piping (12) so as to be in communication therewith; an extendible and contractible bellows pipe (21) connected to an open second end of the space formation section (14); and a sealing section (20) provided to the end of the bellows pipe (21), which is located on the opposite side thereof from the space formation section (14).

Inventors:
MAETA KOJI (JP)
OMURA SHINTARO (JP)
Application Number:
JP2018/037533
Publication Date:
May 31, 2019
Filing Date:
October 09, 2018
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD (Postcode1088215, JP)
International Classes:
F25B41/00; F16L27/12; F16L55/033; F24F13/24
Domestic Patent References:
WO2013057105A12013-04-25
Foreign References:
JP2008045778A2008-02-28
CN105864556A2016-08-17
JPS6166686U1986-05-07
JPS60236825A1985-11-25
JPH0192594U1989-06-16
CN104675676A2015-06-03
CN105927499A2016-09-07
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (Postcode1006620, JP)
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