Title:
MOVABLE BLADE PUMP AND METHOD FOR OPERATING MOVABLE BLADE PUMP
Document Type and Number:
Japanese Patent JP2017040171
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reliably inhibit a solid matter from being bitten at a clearance between a blade and a casing by a simple device configuration.SOLUTION: A movable blade pump includes: the casing; and an impeller provided inside the casing and having multiple blades. The movable blade pump further includes: an angle variable mechanism for varying mount angles of the multiple blades; and a control device for controlling the angle variable mechanism so as to periodically vary the mount angles. The control device may control the angle variable mechanism so as to oscillate the mount angles continuously or intermittently.SELECTED DRAWING: Figure 1
Inventors:
KAGAWA SHUSAKU
SAKURAI TAKAMOTO
TSUJIMURA MANABU
MURAKAWA KEIICHI
SAKURAI TAKAMOTO
TSUJIMURA MANABU
MURAKAWA KEIICHI
Application Number:
JP2015160594A
Publication Date:
February 23, 2017
Filing Date:
August 17, 2015
Export Citation:
Assignee:
EBARA CORP
International Classes:
F04D7/04; F04D11/00; F04D15/00; F04D29/18; F04D29/70
Attorney, Agent or Firm:
Shinjiro Ono
Toru Miyamae
Yukio Kanegae
Makoto Watanabe
Yasuko Tagami
Takuya Ando
Toru Miyamae
Yukio Kanegae
Makoto Watanabe
Yasuko Tagami
Takuya Ando