Vacuum pump with a hood

Abstract

A vacuum pump includes a pumping system ( 30 ) located in a pump housing ( 1 ) and a hood ( 1 ) at least partially surrounding the pump housing at least in the region of the pumping system to provide for at least partial dissipation of heat generated in the pumping system.

1 . A vacuum pump, comprising a housing having inlet and outlet; a pumping system located in the housing; a motor for driving the pumping system and likewise located in the housing; and a hood at lest partially surrounding the pump housing. 
   
   
       2 . A vacuum pump according to  claim 1 , further comprising an intermediate member located between the hood and the housing. 
   
   
       3 . A vacuum pump according to  claim 2 , wherein the intermediate member is formed of a vibration-damping material. 
   
   
       4 . A vacuum pump according to  claim 3 , wherein the vibration-damping material has heat insulation properties, so that the intermediate member forms a heat barrier between the pump housing and the hood. 
   
   
       5 . A vacuum pump according to  claim 2 , wherein the intermediate member includes elastomeric components. 
   
   
       6 . A vacuum pump according to  claim 1 , wherein the pump housing is provided with cooling ribs, wherein the vacuum pump further comprises a fan for generating a cooling blow, and wherein the hood guides the cooling flow, which is generated by the fan, at least to a portion of the cooling ribs. 
   
   
       7 . A vacuum pump according to  claim 6 , wherein the fan is arranged behind the hood. 
   
   
       8 . A vacuum pump according to  claim 7 , wherein the hood has at least one opening through which air is aspirated by the fan. 
   
   
       9 . A vacuum pump, according to  claim 1 , wherein the pump housing is formed of a plurality of housing sections, wherein the pump further comprises control electronics, and wherein the pumping system and the control electronics are located in different housing sections. 
   
   
       10 . A vacuum pump according to  claim 1 , wherein the pumping system includes means for compressing gas from at least one of low and high vacuum range and for discharging a compressed gas against atmosphere.