Integrated pump and ceramic valve

Details Integrated pump and ceramic valve Integrated pump and ceramic valve

2006-07-25

2006-07-25

Koczo, Jr., Michael (Department: 3746)

Pumps

Expansible chamber type

Electrically or magnetically actuated distributor

C092S16500R, C137S625220, C417S519000

Reexamination Certificate

active

07080975

ABSTRACT:
A pump apparatus is provided which comprises a displacement pump and a ceramic valve construction formed of a ceramic rotor and a ceramic stator having flat surfaces which are positioned in sealing relationship. The displacement pump comprises a reciprocating piston within a housing having an interior wall spaced apart from the piston. The position of the piston and the position of the rotor are controlled to effect desired fluid flow through the stator.

REFERENCES:
patent: 3684409 (1972-08-01), Sanz et al.
patent: 3752167 (1973-08-01), Makabe
patent: 3781907 (1973-12-01), Gerber
patent: 4018565 (1977-04-01), Fletcher et al.
patent: 4883409 (1989-11-01), Strohmeier et al.
patent: 6269838 (2001-08-01), Woodworth et al.
patent: 6959638 (2005-11-01), Makino et al.
patent: 002639066 (1990-05-01), None
patent: 2188437 (1987-09-01), None

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