Downdraft range ventilator

Details Downdraft range ventilator Downdraft range ventilator

1990-07-23

1991-11-05

Jones, Larry

Stoves and furnaces

Stove hoods

126299R, 981154, 49375, 49349, F24C 1520

Patent

active

050624105

ABSTRACT:
A ventilator for a cooking unit located in a counter has a housing suitable for mounting beneath the counter. A vent member moves in a generally vertical direction with respect to the housing between a retracted position in which said vent member is flush with the counter and an extended position in which the vent extends above the counter adjacent to the cooking unit. The vent member is in fluid communication with said housing. A blower is coupled to said housing for drawing cooking effluents produced at the cooking unit into said vent member, downwardly through said vent member into said housing, and discharging same from said ventilator. A motor is mounted on the housing for moving a roller in an arcuate path. The roller engages a follower surface mounted on the vent such that travel of the roller along the follower surface drives the vent to the extended position. The vent moves to the retracted position by its own weight, with such movement being restrained by the engagement between the roller and the drive surface.

REFERENCES:
patent: 3011492 (1961-12-01), Humbert
patent: 3409005 (1968-11-01), Field
patent: 3474724 (1969-10-01), Jenn
patent: 3596650 (1971-08-01), Cerola
patent: 3712819 (1973-01-01), Field
patent: 4446849 (1984-05-01), McFarland
patent: 4501260 (1985-02-01), Grace
patent: 4889104 (1989-12-01), Gastelow
patent: 4934337 (1990-06-01), Falk
patent: 4945891 (1990-08-01), Cecil

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