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ATB ANTRIEBSTECHNIK AG, Welzheim, GermanyATB AUSTRIA ANTRIEBSTECHNIK AG, Spielberg, Austria ATB competence ATB is a leading manufacturer of electrical drive systems for industrial applications and appliances. As a partner to highly respected producers, we facilitate the production of innovative products around the world. ATB product quality Drive system dependability is an absolute priority in motor manufacture. Our motor design and production technology guarantee maximum operational reliability. ATB programme range Whether for standard motors, or customised applications, individual components...

New developments for minimum batchand industrial, serial production As a result of its optimised organisation and equipment, ATB has the ability to im- plement customer orders in a quick and uncompromising manner. This applies toevery new development, irrespective ofwhether a small series for SMEs, or indus- trial mass production, is envisaged. ATB is simply a competent and innovative partner for special tasks in the fields of ventilation and drive technology for every type of application Today, market dynamism demands an in-creasing concentration of available res- ources on areas of core competence....

Ventilators consume energy In order to optimise ventilation system performance, ATB determines the correct operating points. These are established using both mathematical and measure- ment techniques. > Booster fan with housing for wood-fired boiler Ventilators create air flows > ATB engineers measure the distributionspeeds and the pressure inside machinery and plant with the aim of improving flow distribution. The data obtained provides valuable pointers to the selection of the ideal ventilation system and makes a vital contribution to the evening out of the air flows. Uniform air distribution...

Ventilators cause noise Low-noise units benefit both people andthe environment. Therefore, ATB is con- stantly making every effort to cut basic noise levels by means of innovation. To this end, noise-emitting components are analysed and ventilators precisely matched to their function within a com- plete unit. A range of primary measures such as changes to the blade profile, inlet nozzles and supply situation result in a considerable reduction in ground noise > Noise laboratory test levels. Secondary measures, such asATBs in-house developed, noiseinsu- lated ventilator housings also provide an...

C. In order to solve this task, a special bladewas designed with a symmetrical laminar profile. Together with an optimum hub ratio and adjusted blade widths, this pro- vided a considerable increase in air han- dling performance and at the same time, a marked cut in noise emissions. All in all, efficiency was raised by an impressive 12%. In addition, the aggressive ambient conditions were dealt with by the selection of tough materials and temperature resistant lubricants. > Timber drying plant A series of axial ventilators has been de-veloped, which are suitable for the rever- sing operation needed...