Vehicle closure assembly with shape memory polymer seal

Vehicle closure assembly with shape memory polymer seal

  • CN 101,531,130 A
  • Filed: 03/12/2009
  • Published: 09/16/2009
  • Est. Priority Date: 03/12/2008
  • Status: Active Application
First Claim
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1. a door assembly is used for using with power actuated vehicle, and described power actuated vehicle has the vehicle body that defines door opening, and described door assembly comprises:

  • Framing member, described framing member is configured to operative attachment and also optionally transfers to open position from off position to vehicle body, and in off position, described framing member covers door opening at least in part, in open position, described framing member provides vehicles passing in and out in-to-in path;

    WithHermetically-sealed construction, described hermetically-sealed construction comprises;

    Base portion, described base portion along at least a portion of the perimeter edge of one of described framing member and described vehicle body prolong and operative attachment on this at least a portion;

    Flexible contact portion, described flexible contact portion are integrally stretched out and are configured to from described base portion and become sealing to be communicated with facing surfaces, and described flexible contact portion defines the chamber within it;

    Be arranged on the thermal excitation intellectual material in the described chamber;

    WithExciting bank, described exciting bank becomes thermal communication with described thermal excitation intellectual material, and it is poor with heat to be configured to give this thermal excitation intellectual material;

    Wherein, described thermal excitation intellectual material is energized in response to the described heat difference of described exciting bank, to change at least one physical attribute of described thermal excitation intellectual material.

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