Title:
WESTCO PUMP
Document Type and Number:
Japanese Patent JP3463356
Kind Code:
B2
Abstract:
PURPOSE: To lower noise caused by fluid colliding with terminal parts of pump channels.
CONSTITUTION: Timing for collision of high pressure fluid with the terminal parts 32a, 33a of grooves 32, 33 is staggered so as to lower collision noise because the terminal parts 32a, 33a of the grooves 32, 33 provided to form pump channels to the side wall part 17 and casing cover 19 of a casing main body 18, are moved by 1/2 pitch of a blade 27 against the rotational direction of an impeller 20.
Inventors:
Motoya Ito
Takahiko Kato
Minoru Yasuda
Takahiko Kato
Minoru Yasuda
Application Number:
JP14905294A
Publication Date:
November 05, 2003
Filing Date:
June 30, 1994
Export Citation:
Assignee:
株式会社デンソー
International Classes:
F04D5/00; F04D29/66; (IPC1-7): F04D5/00; F04D29/66
Domestic Patent References:
| JP6159283A | ||||
| JP5262706A | ||||
| JP6228093U | ||||
| JP1173488U |
Attorney, Agent or Firm:
Tsuyoshi Sato