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Title:
CENTRIFUGAL PUMP
Document Type and Number:
Japanese Patent JP2012072698
Kind Code:
A
Abstract:

To provide a centrifugal pump capable of surely guiding a priming fluid to a mechanical seal.

In this centrifugal pump 15, a crankshaft 18 is projected in a case 21 via the mechanical seal 41, an impeller 23 is arranged on the projected crankshaft, the impeller is covered with a volute 28 stored in the case, and a supply port 48a is arranged for supplying the priming fluid in the case. In this centrifugal pump, a guiding groove 45 for guiding the priming fluid is formed up to the mechanical seal from the supply port on an inner wall surface 36b of the case, and thereby, a guide port 46 is formed in the middle of the guiding groove for guiding the priming fluid to the mechanical seal by the edge 28b of the volute and the guiding groove.


Inventors:
KOTO KENTA
AKIYAMA NAOHIRO
YAMASHITA HIROSHI
SO GUN
Application Number:
JP2010217888A
Publication Date:
April 12, 2012
Filing Date:
September 28, 2010
Export Citation:
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Assignee:
HONDA MOTOR CO LTD
International Classes:
F04D9/00; F04D29/12
Attorney, Agent or Firm:
Yoichiro Shimoda
Norimasa Shimoda
Tadanori Masanori
Toshitake Nozaki



 
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