Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/017248
Kind Code:
A1
Abstract:
In this rotary compressor, at least the bottom of a communication groove (72) continuing from a cylinder chamber (51) to a resonance chamber (71) is formed of a curved surface, the flow rate of gas flowing through the communication groove (72) is kept substantially uniform so that occurrence of vortexes is suppressed, the silencing effect of a Helmholtz muffler (70) is obtained irrespective of the acoustic velocity in a refrigerant, and deterioration of the efficiency of the compressor is suppressed.
Inventors:
SHIMIZU TAKASHI (JP)
Application Number:
PCT/JP2018/026064
Publication Date:
January 24, 2019
Filing Date:
July 10, 2018
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F04C29/06; F04C18/32; F04C29/00
Foreign References:
| CN1499082A | 2004-05-26 | |||
| JP2016134335A | 2016-07-25 | |||
| JP2016188760A | 2016-11-04 | |||
| US6176687B1 | 2001-01-23 | |||
| CN101074671A | 2007-11-21 | |||
| JPS6211200B2 | 1987-03-11 |
Other References:
See also references of EP 3636929A4
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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