Title:
水力発電所用のフランシス構造のポンプ
Document Type and Number:
Japanese Patent JP2013543074
Kind Code:
A
Abstract:
The invention relates to a Francis-type pump, comprising the following features: a blade wheel; a spiral housing; a suction pipe; a counter-swirl generator which is arranged in the inlet to the blade wheel and which can be activated during the start-up and deactivated after start-up, and which generates a swirl acting against the direction of rotation of the blade wheel.
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Inventors:
Mayer, Bernd
Guise, Martin
Guise, Martin
Application Number:
JP2013530629A
Publication Date:
November 28, 2013
Filing Date:
October 14, 2011
Export Citation:
Assignee:
Voith Patent GmbH
International Classes:
F04D15/00; F03B3/10; F03B15/04; F04D13/00; F04D29/60
Domestic Patent References:
| JPS62126276A | 1987-06-08 |
Foreign References:
| DE3707723A1 | 1988-09-22 | |||
| US3237563A | 1966-03-01 | |||
| US3238534A | 1966-03-01 | |||
| WO2010094887A1 | 2010-08-26 | |||
| US2306742A | 1942-12-29 |
Attorney, Agent or Firm:
Hisao Fukumori