Fluid handling – With indicator – register – recorder – alarm or inspection means
Reexamination Certificate
2006-02-08
2009-11-03
Hepperle, Stephen (Department: 3753)
Fluid handling
With indicator, register, recorder, alarm or inspection means
C137S597000, C137S625470
Reexamination Certificate
active
07610931
ABSTRACT:
A bypass valve includes a body with first and second chambers connected by a bridge passage, an untreated water inlet and an untreated water outlet both open into the first chamber, and a treated water inlet and a treated water outlet both open into the second chamber. A first valve element is rotatably received in the first chamber alternately to connect the inlet to the untreated water outlet or the bridge passage. A second valve element is rotatably received in the second chamber alternately to connect the outlet to the treated water outlet or the bridge passage. A manually operable mechanism rotates the first valve element in the first chamber and the second valve element in the second chamber. A flow sensor is received within either the first or second valve element to measure the amount of water flowing through the bypass valve.
REFERENCES:
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patent: 2005/0127317 (2005-06-01), Rebello
patent: WO 99/07456 (1999-02-01), None
Honzelka Thomas
Sieth Kenneth
Wittig Mark
Haas George E.
Hepperle Stephen
McCalister William
Quarles & Brady LLP
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