Patents Assigned to Luvata Grenada LLC
  • Spirally wound, layered tube heat exchanger
    Patent number: 7546867
    Abstract: A spirally wound tube heat exchanger 10 article that receives a heat exchange fluid and its method of manufacture. In one embodiment, the exchanger 10 has one or more spirally-wound layers 12 of a tube 14. In some embodiments, the layers are circular, oval or rectangular with radiused corners. An elongate spacer member 24 has forwardly 26 and rearwardly 28 facing edges. Defined within those edges are engagement surfaces 30 that detachably retain the tube 14.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: June 16, 2009
    Assignee: Luvata Grenada LLC
    Inventors: Olli Pekka Naukkarinen, Hailing Wu