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. 09, 1999
Filed:
Apr. 02, 1998
Applicant:
Inventor:
Loren W Scott, Carlsbad, CA (US);
Assignee:
Hunter Industries, Inc., San Marcos, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137 15 ; 251 3002 ; 251 46 ;
Abstract
A diaphragm-type control valve for irrigation systems has a solenoid operated pilot valve assembly. The solenoid includes a housing having a generally cylindrical bore with an open end, an energizeable coil surrounding the bore, a ferrous plunger reciprocally mounted in the bore and having an end extending from the open end of the solenoid housing, the plunger moveable between an extended position and a retracted position, and an elastomeric sealing cap mounted on the plunger end and having a central portion for sealingly engaging a valve seat and a peripheral portion sealing the bore around the plunger.