Title:
ヒートポンプシステム、ヒートポンプシステムの軸封方法
Document Type and Number:
Japanese Patent JP4992346
Kind Code:
B2
Abstract:
To provide a highly reliable heat pump system, by suppressing leakage of lubricating oil into working fluid of a heat pump.
The heat pump system comprises: a heat exchanger 504 exchanging heat between a heat source with the working fluid; and a compressor 501 compressing the working fluid. Water or vapor is used as working fluid, a system purging a bearing 509 of the compressor 501 is provided, vapor is used as at least a sort of purge fluid, and purge gas flowing into a main flow of the compressor is vapor.
COPYRIGHT: (C)2008,JPO&INPIT
Inventors:
Masami Noda
Takanori Shibata
Akiyama Tomb
Takanori Shibata
Akiyama Tomb
Application Number:
JP2006235875A
Publication Date:
August 08, 2012
Filing Date:
August 31, 2006
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
F16J15/22; F04D29/10; F16J15/447; F25B1/00
Domestic Patent References:
| JP60147067A | ||||
| JP5078998U | ||||
| JP58096092U | ||||
| JP2004108170A |
Attorney, Agent or Firm:
Manabu Inoue