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Patent Searching and Data


Title:
PRIMING DEVICE FOR FEED WATER PUMP
Document Type and Number:
Japanese Patent JP3051659
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a priming device for a feed water pump not to need a steam separator.
SOLUTION: An air-assist part 20 for drawing outside air is provided in some part from a rotary vane pump 1 to its discharge port 9. The air assist part 20 is formed of small outside air drawing holes provided on the suction side of the rotary vane pump 1.


Inventors:
Shigeru Aoyama
Daisuke Yamaguchi
Application Number:
JP19344395A
Publication Date:
June 12, 2000
Filing Date:
July 28, 1995
Export Citation:
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Assignee:
Tohatsu Corporation
International Classes:
F04C25/02; F04C2/344; F04C18/344; F04D9/04; (IPC1-7): F04D9/04; F04C2/344; F04C25/02
Domestic Patent References:
JP61171894A
JP5424307A
JP8135586A
JP2294593A
JP62197786U
JP62156180U
JP4841683Y1
JP3915764Y1
Attorney, Agent or Firm:
Hidetoshi Matsumoto (1 outside)