Title:
複流渦巻ポンプ
Document Type and Number:
Japanese Patent JP2013532252
Kind Code:
A
Abstract:
A double-flow centrifugal pump is disclosed, in which, using an impeller, a fluid can be suctioned from two axial sides from a negative pressure area and can be delivered in the radial direction into a positive pressure area. The negative pressure area is sealed off with respect to the positive pressure area by at least one stationary pump component, for example the pump housing and/or an insert part. According to the invention, sealing gaps are formed as axial gaps arranged axially between the impeller and the pump component and extending in the circumferential direction and in the radial direction, wherein the gap width(s) of said axial gaps is less than the radial spacing (a) of the impeller from all the components arranged with a radial spacing from the impeller.
Inventors:
Blish, Manfred
Application Number:
JP2013514609A
Publication Date:
August 15, 2013
Filing Date:
May 09, 2011
Export Citation:
Assignee:
ALLWEILER GMBH
International Classes:
F04D1/00; F04D29/42; F04D29/046
Domestic Patent References:
| JP2003184786A | 2003-07-03 | |||
| JPH03290098A | 1991-12-19 |
Attorney, Agent or Firm:
Yuzo Yamazaki
Toshiaki Akamatsu
Ono Wataru
Okuko Masako
Tadao Naito
Chihiro Imai
Takeko Miko
Kei Kiuchi
Hiroaki Nishimura
Toshiaki Akamatsu
Ono Wataru
Okuko Masako
Tadao Naito
Chihiro Imai
Takeko Miko
Kei Kiuchi
Hiroaki Nishimura