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:
Aug. 28, 2001
Filed:
Sep. 15, 2000
Albert W. Welz, Jr., Westford, MA (US);
Brenda J. Marchetti, Westford, MA (US);
John D. Parker, Westford, MA (US);
Maxon Corporation, Muncie, IN (US);
Abstract
The burner system (,) includes a burner (,), an air/fuel supply, and a burner control (,) that includes a pair of valve assemblies (,) with a flow control (,) and two valve actuators (,). A position encoder (,) is rigidly connected to the flow control member (,) and generates valve position signals. Control modules (,are programmed to drive and store calibration parameters specific to the position encoder (,). During operation, the control modules command positioning of the flow control member (,) and compare the position signals to the stored positions to determine correct valve position.