Title:
WEAR RING AND CENTRIFUGAL PUMP DEVICE USING THE SAME
Document Type and Number:
Japanese Patent JP2014025431
Kind Code:
A
Abstract:
To provide a wear ring capable of preventing leak of fluid from a gap between the wear ring and a casing.
A wear ring 1 is mounted in an impeller 33 of a centrifugal pump device 31 and cooperates with a casing 37 of the centrifugal pump device 31 to divide an internal channel into a high pressure section and a low pressure section. The wear ring 1 includes inside thereof an inlet flow channel 3 and outlet flow channel 5 communicating with each for passing-through of fluid. A direction of at least exit portion of the outlet flow channel 5 has a component directing outward in a radial direction.
Inventors:
TSUTSUI EIJI
HIDAKA TOSHIAKI
SAITO KIMIYOSHI
SASAKI NOZOMI
KURASAWA JINKA
HIDAKA TOSHIAKI
SAITO KIMIYOSHI
SASAKI NOZOMI
KURASAWA JINKA
Application Number:
JP2012167048A
Publication Date:
February 06, 2014
Filing Date:
July 27, 2012
Export Citation:
Assignee:
EBARA CORP
International Classes:
F04D29/08; F04D29/16; F04D29/10
Foreign References:
| US3881840A | 1975-05-06 | |||
| US4386780A | 1983-06-07 |
Attorney, Agent or Firm:
Shinjiro Ono
Toru Miyamae
Yamazaki Kosaku
Yukio Kanegae
Koichi Kushida
Toru Miyamae
Yamazaki Kosaku
Yukio Kanegae
Koichi Kushida