Title:
CENTRIFUGAL PUMP AND ELECTRIC HOT WATER STORAGE CONTAINER USING SAME
Document Type and Number:
Japanese Patent JP3178712
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enable stable discharge even when bubbles are sucked in.
SOLUTION: An impeller 101 is positioned eccentrically inside a casing 133. A discharge opening 104 is disposed pointing approximately in the direction of a tangent line Y, or at approximately a right angle to an eccentric direction X of the impeller 101 from a portion which corresponds to the position of approximately the greatest space 106 between the outer periphery of the impeller and the inner periphery of the casing 133, created by the eccentricity of the impeller 101. At the very least, the opening diameter D of the base portion of this discharge opening 104 is set approximately equal to the greatest space 106.
Inventors:
Sumino Michicho
Toshihiko Takeshita
Toshihiko Takeshita
Application Number:
JP21072098A
Publication Date:
June 25, 2001
Filing Date:
July 27, 1998
Export Citation:
Assignee:
Tiger Thermos Co., Ltd.
Caltech Co., Ltd.
Caltech Co., Ltd.
International Classes:
F04D13/02; A47J27/21; A47J41/00; F04D29/22; (IPC1-7): F04D13/02; A47J27/21; A47J41/00
Domestic Patent References:
| JP9135778A | ||||
| JP6173900A | ||||
| JP7217582A | ||||
| JP60233391A | ||||
| JP351386A | ||||
| JP63202800U | ||||
| JP710487U |
Other References:
【文献】登録実用新案3011986(JP,U)
Attorney, Agent or Firm:
Masaru Ishihara