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:
Jun. 04, 2019
Filed:
Dec. 20, 2007
Gerd Ross, Frankfurt, DE;
Heiko Reinhardt, Alzenau, DE;
Oliver Rupp, Viernheim, DE;
Stefan Brachtl, Erlensee, DE;
Hermann Stahl, Nidderau, DE;
Gerd Ross, Frankfurt, DE;
Heiko Reinhardt, Alzenau, DE;
Oliver Rupp, Viernheim, DE;
Stefan Brachtl, Erlensee, DE;
Hermann Stahl, Nidderau, DE;
Thermo Electron LED GmbH, Langenselbold, DE;
Abstract
The present invention relates to a safety workbench, in which, for the purpose of calibrating the safety workbench before beginning regular operation, a device control unit is implemented to cause measurement means to ascertain an actual measured value, which is representative of a flow velocity achieved at normal fan performance, an analysis unit is implemented to compare the actual measured value to a starting setpoint value and, in case of an established deviation, to correct a stored starting limiting value in accordance with the deviation, or means for controlling the fan are implemented to operate the fan at a fan performance corresponding to a stored starting limiting value, a device control unit is implemented to cause the measurement means to ascertain an actual limiting measured value which is representative of the flow velocity achieved at the set fan performance, and a storage unit is implemented to store the actual limiting measured value as the corrected limiting value. Furthermore, the present invention relates to a corresponding calibration method.