Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
Japanese Patent JP2008002777
Kind Code:
A
Abstract:
To provide a refrigeration cycle device securing lubrication of an expander.
Pressures in sealed containers of a compressor and the expander are maintained substantially the same as a pressure of a coolant compressed by the compressor, lubricating oil reservoirs are provided in the seal containers of the compressor and the expander, and a pressure equalizer is provided in an upper space in a neighborhood of a design oil level of each lubricating oil reservoir part. By this, lubricating oil levels in the compressor and the expander are maintained at the substantially same level, and a reliable refrigeration cycle device securing positive lubrication is provided.
Inventors:
IKEDA AKIRA
SAWAI KIYOSHI
MORIMOTO TAKASHI
IWASHIDA AKIRA
SHIOTANI MASARU
SAWAI KIYOSHI
MORIMOTO TAKASHI
IWASHIDA AKIRA
SHIOTANI MASARU
Application Number:
JP2006174831A
Publication Date:
January 10, 2008
Filing Date:
June 26, 2006
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F25B11/02; F25B1/00
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano
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