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:
Jan. 21, 2020
Filed:
Oct. 03, 2017
Dräger Safety Ag & Co. Kgaa, Lübeck, DE;
Andreas Sürig, Krummesse, DE;
DRÄGER SAFETY AG & CO. KGAA, Lübeck, DE;
Abstract
A method and a testing device () function test a vibration motor () arranged in a portable gas-measuring device (). A sensor () detects a value for a motor property transmits the value to a control and analysis unit (). The detected value is compared with a desired value, a test result is generated on the basis of the comparison, and a trigger signal is generated on the basis of the test result. A terminal voltage and/or current are determined during a switching-on and/or switching-off operation of the vibration motor () at an electrical terminal () of the vibration motor () on the basis of the motor property of the vibration motor (). This terminal voltage and/or the terminal current present at least at times during the switching-on and/or switching-off operation are compared with at least one desired value in the control and analysis unit ().