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Title:
SCROLL COMPRESSOR FOR HELIUM
Document Type and Number:
Japanese Patent JP2003278672
Kind Code:
A
Abstract:

To provide a scroll compressor for helium of such a type that oil injection is made into the compressor, in which the vibration level of an injection piping is reduced and the performance is enhanced.

The scroll compressor for helium is structured so that the dimensionless value (do-t)/t is set in the range according to the following formula: 0.7≤(do-t)/t≤1.5 where do is the hole diameter of a single oil injection port, and t is the scroll lap thickness.


Inventors:
SHIIBAYASHI MASAO
YANO KATSUAKI
IZUNAGA YASUSHI
Application Number:
JP2002084798A
Publication Date:
October 02, 2003
Filing Date:
March 26, 2002
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
F04C29/02; F04C18/02; F04C29/04; (IPC1-7): F04C18/02; F04C29/02
Domestic Patent References:
JPS61187584A1986-08-21
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office