Magnetic drive pump

Abstract

A magnetic drive pump includes a pump chamber, an impeller rotatably supported in the pump chamber, and a drive mechanism for rotating the impeller, wherein the drive mechanism includes a magnetic member integrally attached to a drive member rotatably disposed at an outside of a partition wall for separating the pump chamber from the outside and an inductor member including a conductor material, integrally attached to the impeller, and rotated by a driving force corresponding to an induction current generated by rotation of the magnetic member.

1 . A magnetic drive pump, comprising: 
 a pump chamber;    an impeller rotatably supported in the pump chamber; and    a drive mechanism for rotating the impeller;    wherein the drive mechanism includes a magnetic member integrally attached to a drive member rotatably disposed at an outside of a partition wall for separating the pump chamber from the outside and an inductor member including a conductor material, integrally attached to the impeller, and rotated by a driving force corresponding to an induction current generated by rotation of the magnetic member.    
   
   
       2 . A magnetic drive pump according to  claim 1 , wherein the pump chamber is disposed at an engine block.  
   
   
       3 . A magnetic drive pump according to  claim 1 , wherein the inductor member and the drive member face each other through the partition wall.  
   
   
       4 . A magnetic drive pump according to  claim 1 , wherein the drive mechanism is disposed in a space formed in a body closing the pump chamber.  
   
   
       5 . A magnetic drive pump according to  claim 1 , wherein a seal member is provided between the body and the engine block.  
   
   
       6 . A magnetic drive pump according to  claim 1 , wherein the drive member of the drive mechanism is rotatably supported by a bearing member in the body and a pulley seat is attached to the drive member.  
   
   
       7 . A magnetic drive pump according to  claim 3 , wherein the induction member is connected to the impeller via a rotatable member.  
   
   
       8 . A magnetic drive pump according to  claim 1 , wherein the pump chamber and a space separated by the partition wall and accommodating therein the induction member and the rotatable member are communicating with each other.  
   
   
       9 . A magnetic drive pump according to  claim 8 , wherein the rotatable member is rotatably supported by a shaft which is fixed to the partition wall at one side and fixed to the engine block at the other side.