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:
May. 16, 2017
Filed:
Jun. 25, 2014
Robert Bosch Gmbh, Stuttgart, DE;
Richard Fix, Gerlingen, DE;
Denis Kunz, Untergruppenbach, DE;
Philipp Nolte, Gerlingen, DE;
Katrin Luckert, Leonberg, DE;
ROBERT BOSCH GMBH, Stuttgart, DE;
Abstract
A device, a method, and a use thereof for detecting a concentration of a gas or of a gas component. The device as a gas sensor includes at least one sensor element including a gas-sensitive layer and a heating element for heating the gas-sensitive layer. The heating element is able to heat the sensitive layer to a desired temperature prior to the detection and/or is able to maintain it at a desired temperature during the detection. The heating element allows the gas-sensitive layer to be outgassed if needed, so as to allow absorption again. To heat the heating element, there is a first contacting to which a first voltage may be applied. Moreover, subsequent to the heating step, a second voltage may be applied to the sensor element or to the gas-sensitive layer for measured value detection with the aid of a second contacting. The two contactings at least partially have a shared actuation by being electrically connected to each other, the first contacting including a diode which essentially blocks current from flowing through the heating element when the second voltage, in particular the polarity of the second voltage, is applied.