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.:

US 8721325 B1

PDF
Full Text
Expired
Date of Patent:
May. 13, 2014

Filed:

Feb. 07, 2007
Applicants:

Ulrich Geiger, Bogen, DE;

Martin Geiger, Bogen, DE;

Rudolph Tungl, Ergolding, DE;

Inventors:

Ulrich Geiger, Bogen, DE;

Martin Geiger, Bogen, DE;

Rudolph Tungl, Ergolding, DE;

Assignee:

ebm-papst Landshut GmbH, Landshut, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23N 5/20 (2006.01); F23N 1/02 (2006.01); A01G 13/06 (2006.01); F23N 5/00 (2006.01); F24H 9/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for starting a combustion device, in particular after a first ignition failure, in particular for starting a gas burner under unknown basic conditions, wherein a characteristic diagram of a start air ratio depending on the burner temperature known from empirical analysis is stored for the combustion device in a memory, wherein a calibration of the starting process is performed, wherein the ratio of opening of the gas valve (w) to air volume mnecessary for ignition is iteratively determined by variation of the gas and/or air volume; and in case of ignition, the combustion device is started and the applicable air ratio (λ)is stored.


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