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. 29, 2011
Filed:
May. 29, 2009
Michael Friedrich, Frankfurt, DE;
Herbert Grieb, Malsch, DE;
Thomas Müller-heinzerling, Stutensee, DE;
Bernd-markus Pfeiffer, Wörth, DE;
Michael Schüler, Frankfurt, DE;
Michael Friedrich, Frankfurt, DE;
Herbert Grieb, Malsch, DE;
Thomas Müller-Heinzerling, Stutensee, DE;
Bernd-Markus Pfeiffer, Wörth, DE;
Michael Schüler, Frankfurt, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
A method for monitoring the efficiency of a heat exchanger is provided. Heat flows from a first medium into a second medium and an actual heat flow is detected and compared with at least one reference heat flow corresponding to a respectively predetermined degree of soiling of the heat exchanger. Furthermore, a device for controlling a plant having at least one heat exchanger is described. The plant has a storage device storing at least one reference heat flow of the heat exchanger.