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Pump and pump assembly

  • US 10,519,956 B2
  • Filed: 11/23/2016
  • Issued: 12/31/2019
  • Est. Priority Date: 08/23/2010
  • Status: Active Grant
First Claim
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1. An aquarium pump, comprising:

  • a housing having a top portion, an open bottom, a side portion extending between said top portion and said open bottom, at least one air inlet vent, and at least one air outlet vent;

    a casing disposed in said housing and having an exterior surface, a plurality of cooling fins disposed on the exterior surface, and a top endcap and a bottom endcap enclosing an interior of the casing;

    a drive motor disposed in the casing, the drive motor comprising a rotatable shaft extending through the bottom end cap;

    a magnet non-rotatably connected to the rotatable shaft proximate the open bottom and rotatable with the rotatable shaft;

    a fan operably associated with the magnet and rotatable with the magnet and configured to draw air through the at least one air inlet vent, along the plurality of fins, and to be discharged through the at least one air outlet vent, wherein said fan comprises a ring having a flat surface and a plurality of spaced blades arranged around the ring on the flat surface, said blades extending away from the flat surface in an axial direction relative to said shaft; and

    a bottom cover closing the open bottom, and configured to mount on an outside of an aquarium.

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