Residential-type stove hood with fluid filter cleaning means

Details Residential-type stove hood with fluid filter cleaning means Residential-type stove hood with fluid filter cleaning means

2000-02-24

2001-05-01

Lazarus, Ira S. (Department: 3743)

Stoves and furnaces

Stove hoods

C096S228000, C055SDIG003, C454S055000

Reexamination Certificate

active

06223741

ABSTRACT:

FIELD OF THE INVENTION
This invention relates generally to the field of stove hoods, but particularly to a hood arrangement for residential use whereby smoke, fumes and other gasses emanating from stove cooking are drawn into a chamber for passing up through a vent in communication with the outdoor atmosphere.
DESCRIPTION OF THE PRIOR ART
This invention represents a modification and improvement of the invention of my prior U.S. Pat. No. 5,662,097 granted Sep. 2, 1997. While the invention of that patent could be utilized in a residence wherein a cooking stove is disposed centrally in the kitchen, the invention of the prior patent is particularly directed for use in large commercial establishments, such as restaurants, cafeterias and other facilities which serve a large number of people. The invention of the prior patent is not particularly suitable for a residential kitchen where one side of the stove abuts a kitchen wall. This is because access is required to both sides of the stove in order to open and close both doors which are brought down against the screened openings at the time the hoods is being flushed out, as taught in the prior patent.
However, because of the effectiveness of the method of cleaning stove screens as taught in my prior patent, it has been found desirable to provide a modified form of hood which can be utilized with stoves disposed adjacent to at least one of the kitchen walls of a residential type structure.
SUMMARY OF THE INVENTION
The present invention comprises a hood having one side which may be secured to, or placed in abutment with, a kitchen wall with the opposite side of the hood normally being open to allow air, as well as fumes or smoke from the stove to be drawn through screening over such opening for removal through a duct projecting upwardly from the hood to be further passed via piping to the atmosphere outside of the residential structure. Such passage may be encouraged by providing a motor driven fan in or near the mouth of the duct with the latter being closeable by a flap or other type of valve. The open screened side of the hood may be provided with a removable plate-like member which, when inserted in the opening, serves to close it. This closure is effected when it is desired to clean the inside of the chamber and the screening over the opening. Such cleaning may be accomplished by a spray-type nozzle connected to a source of water or other fluid under pressure.
Thus, the screened opening serves to draw into the chamber and filter air with the gasses or fumes arising from the stove and accumulating under the roof portion of the hood. From the chamber the air and other gasses pass through the outlet duct to a location outside of the residence.


REFERENCES:
patent: 4231769 (1980-11-01), Ahlrich
patent: 5394861 (1995-03-01), Stegmaier
patent: 5472342 (1995-12-01), Welsh, II et al.
patent: 5662097 (1997-09-01), Panos
patent: 5755214 (1998-05-01), Lai
patent: 2 001 749 (1979-02-01), None

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