Variable output pressure backup valve

Details Variable output pressure backup valve Variable output pressure backup valve

2008-05-20

2010-06-01

Lee, Kevin L (Department: 3753)

Fluid handling

Systems

With flow control means for branched passages

C137S270000, C251S205000

Reexamination Certificate

active

07726342

ABSTRACT:
A backup valve for use with a pool cleaner coupled to a source of water under pressure. The valve includes a housing having an inlet and at least a first outlet and a second outlet. The valve further includes a timing apparatus directing water from said inlet to the first outlet or the second outlet. In addition, an adjustable flow controller over the second outlet is provided to increase the flow speed of fluid exiting the outlet.

REFERENCES:
patent: 3384338 (1968-05-01), Dermody
patent: 4909277 (1990-03-01), Vandiver
patent: 6158464 (2000-12-01), Campbell et al.
patent: 7373948 (2008-05-01), Campbell et al.

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