Drive device for driving an oil pump

Abstract

A drive device for driving an oil pump ( 12 ) using a drive element ( 3 ), the oil pump ( 12 ) and the drive element ( 3 ) comprising axes ( 13, 8 ) that are arranged parallel to and offset from each other. It is suggested that the drive element ( 3 ) comprises an internal gear ( 11 ) with internal gearing and the pump ( 12 ) comprises a driving wheel ( 14 ) with outer gearing, and that the pump ( 12 ) can be driven by engaging the gears of the internal gear ( 11 ) and the driving gear ( 14 ).

1 - 11 . (canceled)  
   
   
       12 . A drive device for driving an oil pump ( 12 ,  26 ) using a drive element, the oil pump and the drive element have axes that are arranged parallel to and offset from each other, the drive element having an internal gear ( 11 ,  25 ) with internal gearing, and the oil pump ( 12 ,  26 ) having a driving wheel ( 14 ,  28 ) with outer gearing, the oil pump ( 12 ,  26 ) can be driven by engaging the gears of the internal gear ( 11 ,  25 ) and the driving gear ( 14 ,  28 ).  
   
   
       13 . The drive device according to  claim 12 , wherein the drive element is designed as a starting element ( 3 ,  20 ).  
   
   
       14 . The drive device according to  claim 13 , wherein the drive element is designed as one of a hydrodynamic converter ( 3 ,  6 ,  7 ,  8 ,  9 ), a starting clutch ( 20 ) and a twin clutch ( 24 ).  
   
   
       15 . The drive device according to  claim 12 , wherein the drive element is designed as a vibration-isolating element.  
   
   
       16 . The drive device according to  claim 15 , wherein the vibration-isolating element is designed as one of a torsional oscillation damper or a dual mass flywheel.  
   
   
       17 . The drive device according to  claim 12 , wherein the oil pump ( 12 ) is designed as a pump for supplying an automatic transmission ( 1 ,  2 ,  3 ,  4 ) for motor vehicles with hydraulic medium.  
   
   
       18 . The drive device according to  claim 17 , wherein the oil pump ( 12 ,  26 ) is designed as an outer gear wheel pump.  
   
   
       19 . The drive device according to  claim 17 , wherein the oil pump ( 12 ,  26 ) is designed as an inner gear wheel pump, especially a crescent pump.  
   
   
       20 . The drive device according to  claim 17 , wherein the oil pump ( 12 ,  26 ) is designed as a piston pump, especially a radial piston pump.  
   
   
       21 . The drive device according to  claim 17 , wherein the oil pump ( 12 ,  26 ) is designed as a vane cell pump.  
   
   
       22 . The drive device according to  claim 19 , wherein the internal gear wheel pump comprises an internal pump gear, which is designed as a driving gear with outer gearing and engages in the internal gear ( 11 ,  25 ) of the drive element ( 3 ,  20 ).  
   
   
       23 . A drive device for driving a flow of pressurized oil, the drive device comprising: 
 an oil pump ( 12 ,  26 ) having driving wheel ( 14 ,  28 ) with outer gearing which rotates about a pumping axis; and    a drive element drive element ( 3 ,  20 ) having an internal gear ( 11 ,  25 ) with internal gearing, the internal gear rotates about a driving axis, the driving axis being parallel to and offset from the pumping axis, the oil pump ( 12 ,  26 ) being driven by engaging the outer gearing of the oil pump ( 12 ,  26 ) with the internal gear ( 11 ,  25 ) of the drive element drive element ( 3 ,  20 ).    
   
   
       24 . The drive device according to  claim 23 , wherein the drive element is one of a starting element ( 3 ,  20 ), a hydrodynamic converter ( 3 ,  6 ,  7 ,  8 ,  9 ), a starting clutch ( 20 ) and a twin clutch ( 24 ).  
   
   
       25 . The drive device according to  claim 23 , wherein the drive element is a vibration-isolating element.  
   
   
       26 . The drive device according to  claim 25 , wherein the vibration-isolating element is one of a torsional oscillation damper or a dual mass flywheel.  
   
   
       27 . The drive device according to  claim 23 , wherein the oil pump ( 12 ) is a pump for supplying an automatic transmission ( 1 ,  2 ,  3 ,  4 ) of a motor vehicle with a hydraulic medium.  
   
   
       28 . The drive device according to  claim 27 , wherein the oil pump ( 12 ,  26 ) is an outer gear wheel pump.  
   
   
       29 . The drive device according to  claim 27 , wherein the oil pump ( 12 ,  26 ) is an a crescent pump.  
   
   
       30 . The drive device according to  claim 27 , wherein the oil pump ( 12 ,  26 ) is a radial piston pump.  
   
   
       31 . The drive device according to  claim 27 , wherein the oil pump ( 12 ,  26 ) is a vane cell pump.  
   
   
       32 . The drive device according to  claim 29 , wherein the crescent pump has an internal pump gear, which is a driving gear with outer gearing and engages in the internal gear ( 11 ,  25 ) of the drive element ( 3 ,  20 ).