Filter assembly for luminaire

Details Filter assembly for luminaire Filter assembly for luminaire

1981-02-06

1983-09-20

Schafer, Richard E.

Illumination

Housing

362 96, 362294, 362373, 362375, 362457, F21V 1702

Patent

active

044059744

ABSTRACT:
A filter assembly for a luminaire for preventing contaminants and impurities from entering the sealed enclosure of the luminaire while permitting air to pass into and out of the sealed enclosure. The filter assembly includes a fitting and a cap. The fitting has an axially extending passageway opening at its opposite ends and a cavity receiving an air-permeable filter across the passageway. The cap has a first portion coupled to the fitting to cover one end of the fitting passageway, a second portion extending laterally from the first portion and a solid back member extending over the first and second portions. The first and second portions and the back member define a non-linear passageway in fluid communication with the fitting passageway to permit air to flow into and out of the luminaire sealed enclosure through the filter, while protecting the filter from the elements.

REFERENCES:
patent: 3377480 (1968-04-01), Robertson
patent: 3457399 (1969-07-01), Milroy
patent: 4015114 (1977-03-01), Paajanen et al.
patent: 4315579 (1982-02-01), Martin, Jr.

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