Title:
【発明の名称】スクロール流体機械のハネおよび製作法
Document Type and Number:
Japanese Patent JP2956306
Kind Code:
B2
Abstract:
A scroll blade of a scroll fluid machine is formed of eutectic graphite cast iron in whose structure the average value of the largest eutectic shell is not more than one fourth of the height of a lap of the scroll blade. The scroll blade material thus formed will facilitate increasing working precision and reducing the number of working steps.
Inventors:
FUKUHARA HIROYUKI
MURAMATSU SHIGERU
MASUNAGA HIROYUKI
MURAMATSU SHIGERU
MASUNAGA HIROYUKI
Application Number:
JP23599591A
Publication Date:
October 04, 1999
Filing Date:
September 17, 1991
Export Citation:
Assignee:
MATSUSHITA DENKI SANGYO KK
International Classes:
C22C37/00; F01C1/02; F01C21/10; F04C18/02; F04C29/00; (IPC1-7): F04C18/02; F01C1/02
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)