Patents Represented by Attorney, Agent or Law Firm Flynn, Thiel, Boutelle Tanis, P.C.
  • Heat transfer tube for evaporation with variable pore sizes
    Patent number: 6457516
    Abstract: The invention relates to a heat-transfer tube, in particular an evaporator tube, with fins circumferentially extending on the shellside, which fins are shaped to essentially closed-off channels. The channels are open to the outside through pores with at least two variable sizes. In order to improve the evaporation characteristics, the invention provides advantageous regions for the ratio of the pore sizes and the ratio of the number of pores.
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: October 1, 2002
    Assignee: Wieland-Werke AG
    Inventors: Karine Brand, Andreas Beutler, Manfred Knab, Gerhard Schuez, Andreas Schwitalla