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. 10, 1992
Filed:
Oct. 16, 1991
Applicant:
Inventors:
Michael E Drager, St. Paul, MN (US);
Bruce Gillette, Marine on the St. Croix, MN (US);
Edward J Tischer, St. Paul, MN (US);
Assignee:
Ecowater Systems, Inc., Woodbury, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210190 ; 13762529 ; 210278 ;
Abstract
A rotary flow control valve for controlling the cycles of a multicycle liquid treatment apparatus such as a water softener. A pair of rotatable, slotted, circular disks connected to rotate with each other are located in a pair of aligned interconnected cylindrical housings. Rotation of the disks controls the flow of liquid through various paths in the valve. Clamps and clips are provided securing together the parts of the assembled valve.