The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 13, 1990
Filed:
Jan. 12, 1990
Applicant:
Inventor:
Stanley F Rak, Mundelein, IL (US);
Assignee:
Culligan International Company, Northbrook, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ; B01D / ;
U.S. Cl.
CPC ...
210673 ; 210742 ; 210140 ; 210269 ;
Abstract
A water softening system is provided including a service step, a regenerating step and a rinse step. The service step includes introducing relatively hard water into the inlet, through an ion exchange resin and out the outlet to a service location. The regenerating step includes introducing a brine solution into the inlet, through the resin and out the outlet to drain. Prior to the service step, an automatic rinse step is provided by which an amount of the relatively hard water is introduced into the inlet, through the softening medium and out of the outlet to drain.