High pressure slurry piston pump

Details High pressure slurry piston pump High pressure slurry piston pump

2006-10-10

2006-10-10

Freay, Charles G. (Department: 3746)

Pumps

Processes

C417S430000, C417S442000, C417S900000, C417S440000

Reexamination Certificate

active

07118349

ABSTRACT:
A high pressure slurry pump is described which automatically provides a clean fluid buffer around the intake and exhaust valves of the pump and in front of the pump piston in order to displace erosive slurry material and thus extend the life of the pump and improve pump efficiency.

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patent: 4598630 (1986-07-01), Kao
patent: 4691620 (1987-09-01), Kao
patent: 5047012 (1991-09-01), Leuschner et al.
patent: 5741710 (1998-04-01), Ek
patent: 6290475 (2001-09-01), Snow

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