Title:
圧縮機
Document Type and Number:
Japanese Patent JP4650186
Kind Code:
B2
Abstract:
A compressor includes a hermetic container having resonant frequency F, a compression element operable to compress refrigerant, an electric element including a shaft rotating as to drive the compression element at a predetermined operation frequency, and a rolling bearing accommodated in the hermetic container. The rolling bearing supports the shaft rotatably. The rolling element includes plural rolling elements. The predetermined operation frequency of the electric element is different from operation frequency N expressed by a following formula: N=2.F/(n.R) where n=1, 2 and R is a number of the plurality of rolling elements. This compressor is prevented from generating large noise.
Inventors:
Kazuhiro Yokota
Application Number:
JP2005279712A
Publication Date:
March 16, 2011
Filing Date:
September 27, 2005
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
F04B39/00; F04B49/10
Attorney, Agent or Firm:
Hiroki Naito
Daisuke Nagano
Kentaro Fujii
Daisuke Nagano
Kentaro Fujii