Air intake assembly for a combustion fuel burner having an adjus

Valves and valve actuation – Relatively movable valve elements form single port closure

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431265, F16K 3144

Patent

active

056623097

ABSTRACT:
An air intake assembly for a combustion oil burner, the assembly comprises a housing having a front wall, a back wall and a peripheral side wall between the front wall and the back wall, the housing defining an air intake chamber therein, the front wall having a partly circular air intake hole therein, an axle mounted to the housing between the front and the back walls, first, second and third rotatable vanes rotatably mounted to the axle and positioned adjacent to the air intake hole, the first rotatable vane is fixedly attached to the axle, and a mechanism mounted on the rotatable vanes for sequentially rotating the rotatable vanes whereby the air intake hole can be selectively opened from 0.degree. open where substantially no air can pass through the hole and into the air intake chamber, to approximately 270.degree. open where air can flow into the chamber.

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