Water softener

Details Water softener Water softener

2006-03-07

2006-03-07

Cintins, Ivars C. (Department: 1724)

Liquid purification or separation

Automatic control

C210S191000

Reexamination Certificate

active

07008530

ABSTRACT:
A water softener employs a vessel, a distributor with a manifold body associated to said vessel and a valve control device. A control unit programs operation of the softener. An actuator unit has a cylinder divided into a first chamber and a second chamber. The actuator unit is adapted to move a spool to define different flow ways, for water. The first chamber communicates directly with a water inlet pipe, and the second chamber communicates with the inlet pipe through a valve and an outlet.

REFERENCES:
patent: 2902155 (1959-09-01), Lundeen
patent: 3307581 (1967-03-01), Rudelick
patent: 3509998 (1970-05-01), Pellett et al.
patent: 3867961 (1975-02-01), Rudelick
patent: 5045187 (1991-09-01), Suchanek

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