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Ventilation system for car window

  • US 6,224,479 B1
  • Filed: 01/20/2000
  • Issued: 05/01/2001
  • Est. Priority Date: 01/22/1999
  • Status: Expired due to Term
First Claim
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1. A ventilation system for a window of a car comprising a body housing (11), blocking plates A (13) and B (14), and a plurality of airflow members (18, 19, 20, 21), wherein:

  • said body housing (11) includes grooves formed in circumferential edges thereof, and a ventilation opening (11a) formed in a center portion thereof, said grooves having, at least, a rear groove (11b) formed in a rear side of a car window region, a front groove (11c) formed in a front side of the car window region, and a lower groove (11d) formed in a lower side of the car window region, a right end of said blocking plate A (13) and a left end of said blocking plate B (14) being fitted into said rear groove (11b) and said front groove (11c) respectively so as to be both detachable and adjustable, window glass (6) being partially retracted relative to a lower edge (2) of a car window frame so as to be detachably fitted into said lower groove (11d), remaining circumferential edges of said blocking plates A (13) and B(14) being fitted into a rear edge (3), an upper edge (1), an inclined edge (4), and a front edge (5), respectively, of said car window frame; and

    said plurality of airflow members comprise (a) a plurality of airflow members (20, 21) having a large number of airflow holes (20a, 21a) and (b) a mesh plate (19) which are arranged in layers in an inner chamber following said ventilation opening (11a) of said body housing (11) through gap members (22), and said large number of airflow holes (20a) of one airflow member (20) and the large number of airflow holes (21a) of another airflow member (21) are arranged eccentrically in the whole surface of each said airflow members (20, 21) so that the large number of airflow holes (20a) of one airflow member (20) are not aligned with the airflow holes (21a) of another airflow member (21), and (c) a ventilation substrate (18) having an airflow function.

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