Self priming regenerative pump

Details Self priming regenerative pump Self priming regenerative pump

2005-12-13

2005-12-13

Nguyen, Ninh H. (Department: 3745)

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Turbine regenerative pump

C415S056100, C415S056400, C415S169100

Reexamination Certificate

active

06974301

ABSTRACT:
A self priming regenerative pump comprising an impeller with a plurality of vanes formed on its periphery, casings1aand1bwhich house said impeller in a rotatable manner and a pressurizing passage consisting of a gap between said casing and the outer periphery of said impeller, further comprising: a small diameter part formed at a position communicating with pressurizing passage of a discharge flow passage, in particular, formed smaller than the diameter of a discharge port; and; a passage for communicating between discharge port side of smaller diameter part of discharge flow passage and pressurizing passage in order to allow the fluid in discharge flow passage to return to pressurizing passage, wherein said position communicating with pressurizing passage is outwardly offset from the center of the width of impeller.

REFERENCES:
patent: 2006590 (1935-07-01), Ferguson
patent: 3649131 (1972-03-01), Hagemann
patent: 5160249 (1992-11-01), Iwai et al.
patent: 1 199 477 (2002-04-01), None
patent: 06-330880 (1929-11-01), None
patent: 07-167084 (1995-07-01), None
patent: 2002-257071 (2002-09-01), None
Patent Abstract of Japan for JP 2002-257071 published on Sep. 11, 2002.
Patent Abstracts of Japan for JP06-330880 published Nov. 29, 1994.
Patent Abstracts of Japan for JP07-167084 published Jul. 4, 1995.

Affiliated with

Also associated with

Rating

Self priming regenerative pump does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Self priming regenerative pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Self priming regenerative pump will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3489750