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:
Sep. 10, 2013
Filed:
May. 23, 2007
Otto Knittel, Soest, DE;
Otto Knittel, Soest, DE;
Behr-Hella Thermocontrol GmbH, Stuttgart, DE;
Abstract
The rotary control unit to which the invention relates, in particular nominal value rotary control unit for a vehicle heating system and in particular vehicle air conditioning system, is provided with a rotatable rotary control element (), an electric motor () with a driveshaft () which is mechanically coupled to the rotary control element (), an control circuit () for supplying the electric motor () with power for the purpose of generating a holding moment in order to prevent undesired rotation of the rotary control element () and/or to build up a resistance as the rotary control element is rotated, and a sensor unit () for detecting a hand which is approaching the rotary control element () or is touching the rotary control element (). The control circuit () for supplying power to the electric motor () can be activated if the sensor unit () detects a hand which is approaching the rotary control element () or is touching the rotary control element ().