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:
Jul. 23, 2002
Filed:
Mar. 01, 2000
Applicant:
Inventor:
Ronald N. Garner, Hull, MA (US);
Assignee:
Invensys Systems, Inc., Foxboro, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D 1/600 ; F16K 3/136 ; F16K 3/102 ;
U.S. Cl.
CPC ...
G05D 1/600 ; F16K 3/136 ; F16K 3/102 ;
Abstract
A valve positioner for adjusting the position of a valve is provided. The valve positioner includes a housing having a service cartridge port and a valve connector. The valve positioner also includes a removable service cartridge having a cartridge housing received in the service cartridge port. The cartridge housing contains electronics and electro-pneumatic components associated with the valve positioner. The cartridge housing is configured such that removal does not expose the electronics and the electro-pneumatic components to an external environment.