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Altvater
Bernd Altvater, Althuettc-Waldenweiler DE
| Patent application number | Description | Published |
|---|---|---|
| 20110058946 | FAN AND METHOD FOR OPERATING A FAN - The invention relates to a fan, particularly a radial fan, having a fan hub with a rotational axis. A plurality of fan blades is disposed about the rotational axis for deflecting an air flow. The invention provides that an adjustment device is provided at the fan blades for the rotational speed-dependant adjustment of an air flow. | 03-10-2011 |
Bernd Altvater, Althuette-Waldenweiler DE
| Patent application number | Description | Published |
|---|---|---|
| 20110148227 | POWER TOOL - The invention relates to a power tool having a machine housing and a ventilation unit which is provided for cooling a motor unit and/or an electronics unit encased by the machine housing, the cooling being accomplished by means of suctioning a cooling air flow, and which has a deflection unit. The invention provides that the deflection unit has at least one deflection channel that is provided for separating contaminant particles and air of the cooling air flow by means of a deflecting of the cooling air flow. | 06-23-2011 |
Roland Altvater, Friedrichshafen DE
| Patent application number | Description | Published |
|---|---|---|
| 20090230791 | DRIVE UNIT HAVING OPTIMIZED COOLING - The invention concerns an electric drive unit with a steering motor and a propulsion motor which are arranged co-axially with one another and which, respectively, steer a wheel of the vehicle or drive it in the sense of propulsive movement. A first motor ( | 09-17-2009 |