Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DOUBLE SUCTION VOLUTE PUMP
Document Type and Number:
WIPO Patent Application WO/2019/244590
Kind Code:
A1
Abstract:
The present invention pertains to a reinforcing structure for a casing that accommodates an impeller. This double suction volute pump is provided with a rotary shaft (1), an impeller (2) fixed to the rotary shaft (1), a casing (3) that accommodates the impeller (2), and leg parts (5) fixed to the casing (3). The casing (3) has an intake volute (20) that communicates with an intake port (6). The casing (3) has an upper casing (3a) and a lower casing (3b) which are fastened to each other, and ribs (28A, 28B, 28C) are provided to both respective side surfaces of the lower casing (3b) that constitutes the intake volute (20). When viewed from the axial direction of the rotary shaft (1), the ribs (28A, 28B, 28C) extend in the radial directions of the rotary shaft (1). The ribs (28A, 28B, 28C) are separated from the leg parts (5).

More Like This:
Inventors:
OGAWA SOICHIRO (JP)
KAWASAKI HIROYUKI (JP)
MIYAMOTO TAKAYUKI (JP)
Application Number:
PCT/JP2019/021342
Publication Date:
December 26, 2019
Filing Date:
May 29, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
EBARA CORP (JP)
International Classes:
F04D29/42
Foreign References:
US2287397A1942-06-23
US20180087512A12018-03-29
JP2013204530A2013-10-07
JPS52108145U1977-08-17
JP2017044182A2017-03-02
JP2014206140A2014-10-30
CN105650000A2016-06-08
US20150300365A12015-10-22
Attorney, Agent or Firm:
HIROSAWA, Tetsuya et al. (JP)
Download PDF: