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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0427391
Kind Code:
B2
Abstract:
A positive displacement pump particularly useful in pumping viscous fluids which may or may not contain gases, including water vapor, and/or suspended solids in which the actual flow equals the theoretical maximum flow through a check valve associated with the pump, said pump including a piston having a plug valve incorporated therein which has limited reciprocable movement within an extension of the piston, and, also, within a cage which is reciprocable within said extension, the flow area within the piston downstream from the plug being at least equal to the flow area past the plug.

Inventors:
AMUNON UADATSU FUEKETA
Application Number:
JP17832383A
Publication Date:
May 11, 1992
Filing Date:
September 28, 1983
Export Citation:
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Assignee:
INTEVEP SA
International Classes:
F04B15/00; F04B47/02; F04B53/12



 
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