Dust-resistant vehicle headlamp ventilation system having a maze

Details Dust-resistant vehicle headlamp ventilation system having a maze Dust-resistant vehicle headlamp ventilation system having a maze

1990-05-09

1991-08-20

Lazarus, Ira S.

Illumination

Vehicle steering mechanism or element moves pivoted lamp or...

Tie rod element controlled

362 96, 362294, 362345, 362373, B60Q 100, F21V 3300

Patent

active

050419498

ABSTRACT:
A vehicle headlamp ventilation system includes a dust-resistant maze box. The maze box comprises a pair of rubber hose connections provided on opposite ends of a box, the box having an opening portion at one surface thereof, and ribs extending from the bottom surface of the box to the opening portion and which define a zig-zag flow path inside the box to prolong a spatial distance between the pair of rubber hose connections. The ribs are provided interiorly of the box, and the opening portion is closed by a cover which contacts the upper edges of the ribs. The dust-resistant maze box may also be formed integrally with a housing of a vehicle headlamp with the bottom surface of the box common with the housing of the headlamp.

REFERENCES:
patent: 4739458 (1988-04-01), Hamayoshi et al.
patent: 4755917 (1988-07-01), Bals et al.
patent: 4796163 (1989-01-01), Dressler
patent: 4862337 (1989-08-01), Ohshio et al.
patent: 4931912 (1990-06-01), Kawakami et al.

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