Title:
再生流体ポンプ及びそのステータ
Document Type and Number:
Japanese Patent JP4353895
Kind Code:
B2
Abstract:
A regenerative fluid pump ( 10 ) comprises a rotor having rotor blades for compressing fluid on two fluid flow paths, the first of which extends between a first pump inlet ( 12 a) and a first pump outlet ( 14 a), and a second of which extends between second pump inlet ( 12 b) and a second pump outlet ( 14 b). The pump comprises a stator comprising a plurality of concentric channels ( 16 ), each of which comprises: a pumping channel portion ( 18 ) along which said rotor blades move for compressing said fluid between an inlet and an outlet of the pumping channel; and a stripper channel portion ( 20 ) (shown in broken lines) which allows movement of said rotor blades from said outlet to said inlet of the pumping channel portion. Each concentric channel ( 16 ) comprises two pumping channel portions ( 18 ) and two stripper channel portions ( 20 ).
Inventors:
Stones Ian David
Graham Ingo
Graham Ingo
Application Number:
JP2004518980A
Publication Date:
October 28, 2009
Filing Date:
July 04, 2003
Export Citation:
Assignee:
Edwards Limited
International Classes:
F04D1/00; F04D5/00; F04D23/00
Foreign References:
| WO1992010681A1 | ||||
| GB2253246A | ||||
| US5498125 | ||||
| US6162012 |
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Shishido Kaichi
Disciple Maru Ken
Ino Sato
Fumiaki Otsuka
Shishido Kaichi
Disciple Maru Ken
Ino Sato