Motor/Pump Unit

Abstract

A motor/pump unit, in particular for a servo-steering system, includes a pump housing and an intermediate housing. A pump having a first pump shaft is held in the pump housing. The pump housing and the intermediate housing are connected with each other via a flange, and the first pump shaft is mounted in the flange.

1 . A motor/pump unit, in particular for a servo-steering system, the motor pump unit comprising a pump housing and an intermediate housing, a pump having a first pump shaft being held in the pump housing, the pump housing and the intermediate housing being connected with each other via a flange, the first pump shaft being supported in the flange. 
   
   
       2 . The device according to  claim 1 , wherein the first pump shaft is also supported in a bush which is formed in a housing cover closing the pump housing. 
   
   
       3 . The device according to  claim 1  wherein the pump comprises a second pump shaft which is arranged next to the first pump shaft and is likewise supported in the flange. 
   
   
       4 . The device according to  claim 3 , wherein the pump shafts are each constructed in one piece with a toothed wheel. 
   
   
       5 . The device according to  claim 1 , wherein the flange is a punched plate of an aluminium alloy. 
   
   
       6 . The device according to  claim 1 , wherein the flange is provided at least partially with a NBR (nitrile rubber) coating. 
   
   
       7 . The device according to  claim 1 , wherein at least one centering pin is provided, which projects from the pump housing through the flange into the intermediate housing. 
   
   
       8 . The device according to  claim 1 , wherein an electric motor of the motor/pump unit is held in a section of the intermediate housing.