Air feed blower, especially for a vehicle heater

Abstract

An air feed blower, especially for a vehicle heater, includes an electrically driven blower drive motor ( 14 ) as well as an air feed wheel ( 16 ) that can be driven by the blower drive motor ( 14 ), wherein the blower drive motor ( 14 ) is electrically contacted with the use of spring contacts ( 34 ).

1 . An air feed blower comprising
 an electrically driven blower drive motor;   an air feed wheel which can be driven by said blower drive motor; and   spring contacts, wherein said blower drive motor is electrically contacted via said spring contacts.   
     
     
         2 . An air feed blower in accordance with  claim 1 , further comprising:
 a blower housing connected to the blower drive motor, said blower housing having an air feed duct extending in a ring-shaped pattern about an axis of rotation, said air feed duct being open on an axial side covered by said air feed wheel and having an inlet area and an outlet area separated from said inlet area by an interruptor area, said blower housing having an opening through which passes a drive shaft of said blower drive motor connected to the air feed wheel for joint rotation.   
     
     
         3 . An air feed blower in accordance with  claim 1 , further comprising insert pins received by said spring contacts, said insert pins being associated with said spring contacts for electric contact therewith. 
     
     
         4 . An air feed blower in accordance with  claim 1 , further comprising a control device associated with said blower drive motor. 
     
     
         5 . An air feed blower in accordance with  claim 4 , wherein said control device is arranged in an area of said blower drive motor. 
     
     
         6 . An air feed blower in accordance with  claim 5 , wherein fastening means comprising said spring contacts are provided for arranging said control device in an area of said blower drive motor. 
     
     
         7 . An air feed blower in accordance with  claim 6 , further comprising insert pins received by said spring contacts, said insert pins being associated with said spring contacts for electric contact therewith wherein said control device is fastened to said blower drive motor with the use of said insert pins received in said spring contacts. 
     
     
         8 . An air feed blower in accordance with  claim 3 , further comprising a control device associated with said blower drive motor wherein said control device is fastened to said blower drive motor with the use of said insert pins received in said spring contacts. 
     
     
         9 . An air feed blower in accordance with  claim 8 , wherein said spring contacts are arranged at said blower drive motor and said insert pins are arranged at said control device. 
     
     
         10 . An air feed blower in accordance with  claim 7 , wherein said control device is fastened to said blower drive motor by a motion that is essentially at right angles or in parallel relative to the axis of rotation. 
     
     
         11 . A vehicle heater comprising:
 an air feed blower comprising an electrically driven blower drive motor, an air feed wheel which can be driven by said blower drive motor and spring contacts, wherein said blower drive motor is electrically contacted via said spring contacts.   
     
     
         12 . A vehicle heater in accordance with  claim 11 , further comprising:
 a blower housing connected to the blower drive motor, said blower housing having an air feed duct extending in a ring-shaped pattern about an axis of rotation, said air feed duct being open on an axial side covered by said air feed wheel and having an inlet area and an outlet area separated from said inlet area by an interruptor area, said blower housing having an opening through which passes a drive shaft of said blower drive motor connected to the air feed wheel for joint rotation.   
     
     
         13 . A vehicle heater in accordance with  claim 11 , further comprising insert pins received by said spring contacts, said insert pins being associated with said spring contacts for electric contact therewith. 
     
     
         14 . A vehicle heater in accordance with  claim 11 , further comprising a control device associated with said blower drive motor. 
     
     
         15 . A vehicle heater in accordance with  claim 14 , wherein said control device is arranged in an area of said blower drive motor. 
     
     
         16 . A vehicle heater in accordance with  claim 15 , wherein fastening means comprising said spring contacts are provided for arranging said control device in an area of said blower drive motor. 
     
     
         17 . A vehicle heater in accordance with  claim 16 , further comprising insert pins received by said spring contacts, said insert pins being associated with said spring contacts for electric contact therewith wherein said control device is fastened to said blower drive motor with the use of said insert pins received in said spring contacts. 
     
     
         18 . A vehicle heater in accordance with  claim 13 , further comprising a control device associated with said blower drive motor wherein said control device is fastened to said blower drive motor with the use of said insert pins received in said spring contacts. 
     
     
         19 . A vehicle heater in accordance with  claim 18 , wherein said spring contacts are arranged at said blower drive motor and said insert pins are arranged at said control device. 
     
     
         20 . A vehicle heater in accordance with  claim 17 , wherein said control device is fastened to said blower drive motor by a motion that is essentially at right angles or in parallel relative to the axis of rotation.