Patent ID: 7872382

Claim:
A regulator unit for varying an exciter current, comprising: a housing ( 13 ) having a wiper contact mounting region ( 16 ) with a guide ( 19 ) and wiper contacts ( 22 ) seated therein; a regulator housing portion ( 25 ), in which an electronic controller unit and a regulator heat sink ( 28 ) are received; a plug element ( 31 ) for electrically connecting the regulator unit ( 10 ) to external contact elements, and the regulator unit ( 10 ) having a first through opening ( 34 ) and a second through opening ( 37 ), wherein the regulator unit ( 10 ) is fastenable via said openings to a housing ( 40 ) with two bolt elements ( 34 ), wherein the regulator heat sink ( 28 ) is located between the wiper contact mounting region ( 16 ) and the plug element ( 31 ), wherein the wiper contact mounting region ( 16 ) is located asymmetrically between the first through opening ( 34 ) and the second through opening ( 37 ), and wherein the guide ( 19 ) of the wiper contact mounting region ( 16 ) has a center line ( 43 ) oriented in a direction of motion of the wiper contacts ( 22 ), and the first through opening ( 34 ) has an angular spacing a from the center line ( 43 ), and the second through opening ( 37 ) has an angular spacing b from the center line ( 43 ), and the ratio between b and a is between 5.2 and 6.0.