METHOD FOR HEATING A PAVER SCREED OF A ROAD PAVER
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United States of America Patent
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Issued Date -
Dec 17, 2015
app pub date -
Feb 14, 2013
filing date -
Feb 14, 2013
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Abstract
The invention concerns a method for heating a paver screed (10) of a road paver equipped with a heating device, wherein the heating device comprises electrical heating elements (2), which for generating heat are charged with electric current by a current generator (1). For changing the heating power of the heating device, the voltage (U), the heating elements (2) are charged with, is changed. Thus, for controlling or regulating, respectively, the heating power the voltage charged to the individual heating element (2) is increased or reduced. By this, an energy-efficient operation is made possible and the service life of the heating elements (2) as well as of the generator (1) can significantly be increased. Likewise, the motor driving the generator (1) is spared and in case of a combustion engine, e.g. a diesel engine, also fuel is saved.
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