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:
Dec. 09, 2008
Filed:
Oct. 12, 2005
Markus Mersmann, Stelle, DE;
Heinz Lambrecht, Bremen, DE;
Markus Mersmann, Stelle, DE;
Heinz Lambrecht, Bremen, DE;
BEGO Bremer Goldschlägerei Wilh. Herbst GmbH & Co., Breman, DE;
Abstract
The invention relates to an apparatus for contactless temperature measurement of a melting charge located in a melting crucibleinside a melting furnace, in particular a furnace for precision casting, by means of a pyrometerwith an optical systemand at least one sensoroptically connected to said optical system, wherein said optical systemcan be directed by means of a sight glassonto at least one section of the melting crucible. In order to reduce soiling caused by smoke gas deposits on the sight glass, a tube is provided which is connected at its upper end to the sight glass, extends into a melting chamberof the melting furnace and can be pointed in the direction of the melting crucible