| 摘要 |
An electric heating system, in particular an auxiliary heating system in automobiles, with below characteristics: The heating system has several heating rods ( 1 ), arranged side-by-side The heating rods ( 1 ) are connected to each other by means of alike metal plates ( 4 ) that are slid onto the heating rods ( 1 ) the heating rods ( 1 ) have for this purpose a series of slotted holes ( 3 ) that extend in the longitudinal direction ( 10 ) of the metal plates ( 4 ) the slotted holes ( 3 ) have longitudinal edges, facing each other, that clamp the heating rods ( 1 ) between them; at least one part of the slotted holes ( 3 ) in each metal plate ( 4 ) is longer by more than the manufacturing tolerance, than the width of the heating rods ( 1 ) measured in the longitudinal direction ( 10 ) of the metal plates ( 4 ).
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