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Patent Searching and Data


Title:
SCROLL TYPE FLUID MACHINE
Document Type and Number:
Japanese Patent JP2011052540
Kind Code:
A
Abstract:

To provide a scroll type fluid machine including a seal member having high sealing performances regardless of differential pressure between compression chambers even if the seal member wears.

A plurality of cuts 25 are formed on a surface opposing to a bottom surface of a recess groove 5 of the seal member 6 with spaces kept therebetween in a longitudinal direction of the seal member 6 and a plurality of lip parts 7 (14) of which tip sides 7B (14B) erect are formed. Consequently, at base end sides 7A (14A) of at least a part of the lip parts are formed in shapes reducing stiffness with respect to erection of the lip parts 7 (14).


Inventors:
Harashima, Toshikazu
Kanemoto, Yoshiyuki
Fukui, Koji
Sakamoto, Susumu
Application Number:
JP2009000199208
Publication Date:
March 17, 2011
Filing Date:
August 31, 2009
Export Citation:
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Assignee:
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO LTD
International Classes:
F04C27/00; F04C18/02
Domestic Patent References:
JPH09250466A
JP2009036048A
JPH07229485A
JP2001248576A
Attorney, Agent or Firm:
井上 学
戸田 裕二