Vehicular lamp

Details Vehicular lamp Vehicular lamp

1995-05-02

1996-03-05

Husar, Stephen F.

Illumination

Light source and modifier

With ventilating, cooling or heat insulating means

362 61, 362345, 362373, F21V 2900

Patent

active

054973082

ABSTRACT:
A ventilation system for a vehicular lamp including a communication hole formed in the vehicular lamp; a first peripheral wall projecting from a rear surface of the lamp at a position where said first peripheral wall surrounds said communication hole; an upper and lower water preventive walls projecting from said first peripheral wall downwardly of said communication hole; a second peripheral wall surrounding said first peripheral wall, said second peripheral wall projecting from the rear surface of the lamp; a lid member engaging with said second peripheral wall for covering said first and second peripheral walls; a first space defined between the lamp, said lid member and said first peripheral wall, said first space communicating through said communication hole with the lamp chamber; a second space defined between the lamp, said lid member and said upper and lower water preventive walls, said second space communicating with said first space through a first communication passage formed at a first position in the lateral direction; and a third space defined between the lamp, said lid member, said lower water preventive wall and said second peripheral wall, said third space communicating with said second space through a second communication passage formed at a second position opposite to said first position, said third space communicating with atmosphere.

REFERENCES:
patent: 4405974 (1983-09-01), Quiogue
patent: 4739458 (1988-04-01), Yamayoshi et al.
patent: 4862337 (1989-08-01), Ohshio et al.
patent: 4937710 (1990-06-01), Hurley et al.
patent: 5010453 (1991-04-01), Ketterman
patent: 5041949 (1991-08-01), Hirota et al.

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