Pump for ponds, aquariums, and similar facilities

Abstract

A pump for ponds, aquariums or similar facilities has a synchronous motor arranged within a motor housing. The motor has a permanent-magnet rotor and a stator, wherein the rotor is separated from the stator by an inner wall of the motor housing. A housing part is provided that forms a flow channel. The pump has a removable mounting flange for rotatably securing the rotor. The housing part is detachably mounted on the flange by a fastening device. The mounting flange seals a can forming the inner wall relative to the remaining motor housing and secures a bearing bracket serving for supporting the rotor.

1 . A pump for ponds, aquariums or similar facilities, comprising: 
 a motor housing;    a synchronous motor arranged in the motor housing;    the synchronous motor having a permanent-magnet rotor and a stator;    the motor housing having an inner wall separating the rotor from the stator;    a mounting flange that is detachably mounted on the motor housing and rotatably secures the rotor;    a housing part forming at least one flow channel, wherein the housing part is detachably mounted on the mounting flange by a fastening device.    
   
   
       2 . The pump according to  claim 1 , wherein the inner wall of the motor housing is a can and wherein the mounting flange seals the can relative to a remaining portion of the motor housing.  
   
   
       3 . The pump according to  claim 1 , further comprising a bearing bracket that supports the rotor, wherein the mounting flange secures the bearing bracket on the motor housing.  
   
   
       4 . The pump according to  claim 1 , further comprising a pump wheel drivingly connected to the rotor, wherein the mounting flange is arranged between the pump wheel and the rotor.  
   
   
       5 . The pump according to  claim 1 , wherein the fastening device is a bayonet closure.  
   
   
       6 . The pump according to  claim 5 , wherein the bayonet closure has at least two locking areas.  
   
   
       7 . The pump according to  claim 1 , wherein the housing part has two of said at least one flow channel.  
   
   
       8 . The pump according to  claim 7 , wherein a first one of said two of said at least one flow channel extends radially away from an axis of rotation of the rotor.  
   
   
       9 . The pump according to  claim 8 , wherein a second one of said two of said at least one flow channel extends concentrically to the axis of rotation of the rotor.  
   
   
       10 . The pump according to  claim 1 , wherein the housing part has at least one connecting area for attaching a conduit.  
   
   
       11 . The pump according to  claim 1 , wherein the motor housing has a connector for attaching an adjustable support.  
   
   
       12 . The pump according to  claim 1 , further comprising a drive control that is located at least partially on a printed circuit board extending adjacent to a winding of the stator.  
   
   
       13 . The pump according to  claim 1 , further comprising a partition that separates an unneeded housing area of the motor housing from a remaining interior of the motor housing.  
   
   
       14 . The pump according to  claim 1 , comprising a freeze protection device.  
   
   
       15 . The pump according to  claim 14 , wherein the freeze protection device has a lateral chamber filled with a closed-pore foam.