US3391689A - Unitized cooking range and air cleaner - Google Patents
Unitized cooking range and air cleaner Download PDFInfo
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- US3391689A US3391689A US602313A US60231366A US3391689A US 3391689 A US3391689 A US 3391689A US 602313 A US602313 A US 602313A US 60231366 A US60231366 A US 60231366A US 3391689 A US3391689 A US 3391689A
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- air
- unitized
- cooking range
- range
- casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/36—Kitchen hoods
Definitions
- a unitized cooking range and hood therefor having a gathering hood located over the cooking range, two conduits conducting gases gathered in the gathering hood to a filter housing mounted on a side wall of the cooking range and said filter housing containing a preliminary filter, an activated carbon filter and a fan.
- This invention relates to air cleaning apparatus for kitchen use, and more particularly to a novel unitized cooking range and air cleaning appliance.
- This known air cleaning apparatus must obviously be installed so that they will project over the cooking range and, therefore, while they perform their function in a generally satisfactory manner, they are unsightly and also not as etficient as could be expected, inasmuch as due to the ecessity of installing them over the range at a height sufficient to avoid interfering with the movements of the user, they permit the dispersion of a certain amount of contaminated air into the surrounding atmosphere.
- the unitized cooking range and air cleaner 1n comprises a casing enclosing an electric air suction fan and means for filtering contaminated air, said casing being secured to the outer side of a cooking range body, preferably to the rear wall thereof, and including a removable cover, a pair of extensible air conduits extending from the upper side portions of said casing, upwardly for a certain distance above the range upper plate, a collapsible suction chamber connected to the upper ends of said air conduits, said suction chamber being capable of assuming a substantially vertical inoperative or collapsed position and a substantlally horizontal operative position, and means for retaining said suction chamber in its operative position.
- FIG. 1 is a side elevational view of a unitized cooking range and air cleaner in accordance with the present invention
- FIG. 2 is a rear elevational view of the appliance shown in FIG. 1;
- FIG. 3 is a sectional elevational view of the suction chamber forming part of the appliance as shown in FIGS. 1 and'2 and showing in a somewhat enlarged scale the details of the construction thereof;
- FIG. 4 is a sectional view taken along the lines A-A in FIG. 3.
- the cooking range a is of a conventional type, i.e., comprising a box-shaped body 1. While it will be understood that the air cleaning fixture could equally well be attached to the outer face of either of the side walls of the body 1, it is shown as secured to the outer face of the rear wall thereof and, therefore, in the present instance the top plate 2 of the range is made horizontally movable by any suitable known means to and from the position shown in dot-and-dash lines in FIG. 1. The rear corner portions of the plate 2 are formed with notches 3 and 4, for a purpose which will be explained hereinafter.
- the contaminated air cleaner b comprises a rectangular prismatic casing 5 which is secured by respective supports 6 externally to the rear wall 1 of the range body 1 and carries housed therein an electric air suction fan 7 mounted on a suitable support 8 and positioned coaxially with an opening 9 provided in the bottom of the casing 5.
- the casing 5 contains a wire screen box 10 containing activated carbon as absorbing means in the purifying of contaminated air from the combustion and cooking, and a filter 11 defined by three superposed expanded metal sheets and acting as primary means for retaining impurities.
- the casing 5 has a removable cover 5' through which access may be had to the aforesaid filters 10 and 11 and suction fan '7.
- each of the side walls of the casing 5 is provided with a hole from which extends a respective air conduit 12 which is suitably bent as shown more clearly in FIG. 2.
- These air conduits 12 are secured to the range rear wall 1 by means of suitable brackets 12' and are extensible, inasmuch as they each comprise telescopically engaged sections, for which purpose they are provided with corresponding collars and clamping screws 13 and 14, respectively.
- the air conduits 12 extend upwardly beyond the range top plate 2, and for this purpose the plate 2 is formed with the aforesaid notches 3 and 4 at the rear corner portions thereof.
- said range plate 2 In order to have access to the removable cover 5' of the casing 5, said range plate 2 should be horizontally movable backwards and forwards for a distance sufficient to expose said cover 5', as shown in dot-and-dash lines in FIG. 1. Any suitable known arrangement may be used for attaining this purpose.
- the upper ends of the air conduits 12 each engage a hole in the rear portion of the respective side of a collapsible suction chamber 15.
- said eonduit upper ends are bent and provided with external screwthreads and retaining nuts 16, the connection being such that the suction chamber 15 may be swung about said conduit ends.
- Suitable means are provided for retaining the suction chamber 15 in operative or horizontal position, such as for example a conventional articulated arm arrangement 17.
- the chamber 15 comprises a prismatic casing having a width substantially equivalent to that of the cooking range top plate 2.
- an inner vertical partition 15' is provided near the rear wall of the casing, whereas the front zone defined by said partition 15' is provided with a horizontal partition 15" dividing same into two halves, so as to form a lower pre-chamber for receiving the combustion gases and cooking vapors through a plurality of orifices 15a provided in the lower wall of said pre-charnber.
- the horizontal partition 15 is provided with a central opening receiving one end of an air conduit 15b communicating the aforesaid pre-chamber with the suction chamber proper, located at the rear of the vertical partition 15 and from which a flow connection is established with the air cleaning casing 5 by means of the air conduits 12.
- the electric suction fan 7 is of a conventional type and is electrically connected to an electric current source by means of the usual electric wire and plug arrangement (not shown). It will be understood that the electrical connection may conveniently include a switch for controlling the operation of the suction fan 7.
- the operation of the suction fan 7 will cause the contaminated air, combustion gases and cooking vapors to enter the pre-chamber through the orifices 15a, from which they will be drawn into the suction chamber through the air conduit 15b and into the air cleaner casing through the all conduits 12, through the metal filter 11 and activated carbon filter 10, the cleaned air being discharged to the surrounding atmosphere through the opening 9 in the bottom of the casing 5.
- a unitized cooking range and air cleaner comprising a cooking range having side and rear walls and a top plate, a casing exteriorly secured to one of said range walls and housing therein air filtering means and an electrically operated suction fan, said casing having a removable cover and a cleaned air discharge opening, a pair of extensible air conduits extending upwardly from the upper portion of said casing, below said cover, for an adjustable distance above said range top plate, a collapsible suction chamber connected to the upper ends of said upwardly extending air conduits, and means for retaining said suction chamber in a substantially horizontal operative position.
- suction chamber is prismatic and comprises a body having a vertical partition near the rear wall thereof, the front portion of said body having a horizontal partition dividing same into two halves, determining the formation of a lower pre-chamber having a plurality of orifices in the lower wall thereof through which it is adapted to receive the combustion gases and cooking vapors, and a contaminated air conduit extending from a central hole in said horizontal partition to a hole in the upper portion of said vertical partition.
- a unitized cooking range and air cleaner as claimed in claim 1, wherein said means for retaining said suction chamber in its operative position includes two pairs of articulated arms, one arm of each pair being connected to one of said upwardly extending air conduits and the other arm of each pair being connected to one side of said suction chamber.
- a unitized cooking range and air cleaner comprising a cooking range having side and rear walls and a movable top plate, a casing exteriorly secured to said range rear wall and housing therein air filtering means and an electrically operated suction fan, said casing having a removable cover and a cleaned air discharge opening, a pair of extensible air conduits extending upwardly from the upper portion of said casing, below said removable cover, for an adjustable distance above said range tOp plate, a collapsible suction chamber connected to the upper ends of said upwardly extending air conduits, and means for holding said suction chamber in a substantially horizontal operative position.
Description
July 9, 1968 RROGER 3,391,689
UNI'IIZED COOKING RANGE AND AIR CLEANER Filed Dec. 16, 1966 United States Patent M 3,391,689 UNITIZED COOKING RANGE AND AIR CLEANER Raul Roger, 2363 Bartolome Mitre St, Buenos Aires, Argentina Filed Dec. 16, 1966, Ser. No. 602,313 6 Claims. (Cl. 126-299) ABSTRACT OF THE DISCLOSURE A unitized cooking range and hood therefor having a gathering hood located over the cooking range, two conduits conducting gases gathered in the gathering hood to a filter housing mounted on a side wall of the cooking range and said filter housing containing a preliminary filter, an activated carbon filter and a fan.
This invention relates to air cleaning apparatus for kitchen use, and more particularly to a novel unitized cooking range and air cleaning appliance.
Several types of air cleaning apparatus for domestic kitchen use are known which constitute independent units, generally comprising a chimney funnel-shaped member having a suction fan and air filtering means included therein.
This known air cleaning apparatus must obviously be installed so that they will project over the cooking range and, therefore, while they perform their function in a generally satisfactory manner, they are unsightly and also not as etficient as could be expected, inasmuch as due to the ecessity of installing them over the range at a height sufficient to avoid interfering with the movements of the user, they permit the dispersion of a certain amount of contaminated air into the surrounding atmosphere.
These drawbacks are overcome by the unitized cooking range and air cleaner of this invention, wherein the contaminated air suction device can be placed in an ad1 ust able working position at a preferred or necessary height over the range, and also in a collapsed position when not in use.
Briefly, the unitized cooking range and air cleaner 1n accordance with the present invention comprises a casing enclosing an electric air suction fan and means for filtering contaminated air, said casing being secured to the outer side of a cooking range body, preferably to the rear wall thereof, and including a removable cover, a pair of extensible air conduits extending from the upper side portions of said casing, upwardly for a certain distance above the range upper plate, a collapsible suction chamber connected to the upper ends of said air conduits, said suction chamber being capable of assuming a substantially vertical inoperative or collapsed position and a substantlally horizontal operative position, and means for retaining said suction chamber in its operative position.
In order that the invention may be more clearly understood and readily carried into practice, one of the presently preferred embodiments thereof has been illustrated by way of example in the accompanying drawings, wherein:
FIG. 1 is a side elevational view of a unitized cooking range and air cleaner in accordance with the present invention;
FIG. 2 is a rear elevational view of the appliance shown in FIG. 1;
FIG. 3 is a sectional elevational view of the suction chamber forming part of the appliance as shown in FIGS. 1 and'2 and showing in a somewhat enlarged scale the details of the construction thereof; and
FIG. 4 is a sectional view taken along the lines A-A in FIG. 3.
The same reference characters are used to indicate like or corresponding parts throughout the various views.
3,391,689 Patented July 9, 1968 As shown in the drawings, the cooking range a is of a conventional type, i.e., comprising a box-shaped body 1. While it will be understood that the air cleaning fixture could equally well be attached to the outer face of either of the side walls of the body 1, it is shown as secured to the outer face of the rear wall thereof and, therefore, in the present instance the top plate 2 of the range is made horizontally movable by any suitable known means to and from the position shown in dot-and-dash lines in FIG. 1. The rear corner portions of the plate 2 are formed with notches 3 and 4, for a purpose which will be explained hereinafter.
The contaminated air cleaner b comprises a rectangular prismatic casing 5 which is secured by respective supports 6 externally to the rear wall 1 of the range body 1 and carries housed therein an electric air suction fan 7 mounted on a suitable support 8 and positioned coaxially with an opening 9 provided in the bottom of the casing 5. Correlatively and coaxially above said suction fan, and supported by respective supporting means of any suitable known type, the casing 5 contains a wire screen box 10 containing activated carbon as absorbing means in the purifying of contaminated air from the combustion and cooking, and a filter 11 defined by three superposed expanded metal sheets and acting as primary means for retaining impurities. The casing 5 has a removable cover 5' through which access may be had to the aforesaid filters 10 and 11 and suction fan '7.
In a plane immediately below the cover 5', each of the side walls of the casing 5 is provided with a hole from which extends a respective air conduit 12 which is suitably bent as shown more clearly in FIG. 2. These air conduits 12 are secured to the range rear wall 1 by means of suitable brackets 12' and are extensible, inasmuch as they each comprise telescopically engaged sections, for which purpose they are provided with corresponding collars and clamping screws 13 and 14, respectively. The air conduits 12 extend upwardly beyond the range top plate 2, and for this purpose the plate 2 is formed with the aforesaid notches 3 and 4 at the rear corner portions thereof. In order to have access to the removable cover 5' of the casing 5, said range plate 2 should be horizontally movable backwards and forwards for a distance sufficient to expose said cover 5', as shown in dot-and-dash lines in FIG. 1. Any suitable known arrangement may be used for attaining this purpose.
The upper ends of the air conduits 12 each engage a hole in the rear portion of the respective side of a collapsible suction chamber 15. For this purpose, said eonduit upper ends are bent and provided with external screwthreads and retaining nuts 16, the connection being such that the suction chamber 15 may be swung about said conduit ends. Suitable means are provided for retaining the suction chamber 15 in operative or horizontal position, such as for example a conventional articulated arm arrangement 17.
The chamber 15 comprises a prismatic casing having a width substantially equivalent to that of the cooking range top plate 2. As clearly shown in FIG. 3, an inner vertical partition 15' is provided near the rear wall of the casing, whereas the front zone defined by said partition 15' is provided with a horizontal partition 15" dividing same into two halves, so as to form a lower pre-chamber for receiving the combustion gases and cooking vapors through a plurality of orifices 15a provided in the lower wall of said pre-charnber. The horizontal partition 15 is provided with a central opening receiving one end of an air conduit 15b communicating the aforesaid pre-chamber with the suction chamber proper, located at the rear of the vertical partition 15 and from which a flow connection is established with the air cleaning casing 5 by means of the air conduits 12.
It will be readily understood that when the suction chamber 15 is collapsed to its inoperative position, i.e., swung about the upper ends of the air conduits 12 to its vertical position, by simply loosening the clamping screws 14 the front wall of the suction chamber 15 can be made to rest upon the rear edge portion of the range plate 2, thereby serving as a back therefor.
The electric suction fan 7 is of a conventional type and is electrically connected to an electric current source by means of the usual electric wire and plug arrangement (not shown). It will be understood that the electrical connection may conveniently include a switch for controlling the operation of the suction fan 7.
With the suction chamber 15 in its horizontal position as shown, the operation of the suction fan 7 will cause the contaminated air, combustion gases and cooking vapors to enter the pre-chamber through the orifices 15a, from which they will be drawn into the suction chamber through the air conduit 15b and into the air cleaner casing through the all conduits 12, through the metal filter 11 and activated carbon filter 10, the cleaned air being discharged to the surrounding atmosphere through the opening 9 in the bottom of the casing 5.
It is evident that in carrying the invention into practice, many changes and/or modifications will occur to those skilled in the art without departing from the scope of the invention as clearly set forth in the appended claims.
What is claimed is:
1. A unitized cooking range and air cleaner, comprising a cooking range having side and rear walls and a top plate, a casing exteriorly secured to one of said range walls and housing therein air filtering means and an electrically operated suction fan, said casing having a removable cover and a cleaned air discharge opening, a pair of extensible air conduits extending upwardly from the upper portion of said casing, below said cover, for an adjustable distance above said range top plate, a collapsible suction chamber connected to the upper ends of said upwardly extending air conduits, and means for retaining said suction chamber in a substantially horizontal operative position.
2. A unitized cooking range and air cleaner as claimed in claim 1, wherein said suction chamber is prismatic and comprises a body having a vertical partition near the rear wall thereof, the front portion of said body having a horizontal partition dividing same into two halves, determining the formation of a lower pre-chamber having a plurality of orifices in the lower wall thereof through which it is adapted to receive the combustion gases and cooking vapors, and a contaminated air conduit extending from a central hole in said horizontal partition to a hole in the upper portion of said vertical partition.
3. A unitized cooking range and air cleaner as claimed in claim 1, wherein said means for retaining said suction chamber in its operative position includes two pairs of articulated arms, one arm of each pair being connected to one of said upwardly extending air conduits and the other arm of each pair being connected to one side of said suction chamber.
4. A unitized cooking range and air cleaner, comprising a cooking range having side and rear walls and a movable top plate, a casing exteriorly secured to said range rear wall and housing therein air filtering means and an electrically operated suction fan, said casing having a removable cover and a cleaned air discharge opening, a pair of extensible air conduits extending upwardly from the upper portion of said casing, below said removable cover, for an adjustable distance above said range tOp plate, a collapsible suction chamber connected to the upper ends of said upwardly extending air conduits, and means for holding said suction chamber in a substantially horizontal operative position.
5. A unitized cooking range and air cleaner as claimed in claim 4, wherein said pair of extensible upwardly extending air conduits each extend from one of the casing side walls and engage respective notches provided in the rear corner portions of said range top plate.
6. A unitized cooking range and air cleaner as claimed in claim 4, wherein said upwardly extending air conduits comprise telescopically engaged sections and means for clamping said sections at the desired extension thereof.
References Cited UNITED STATES PATENTS 603,386 5/1898 Spurlin 98-115 X 2,162,019 6/1939 Johnson 98-1 15 2,482,952 9/1949 Warren 126299 2,554,694 5/1951 Belt 361 X 2,584,613 2/1952 Pledger 126299 2,634,718 4 /1953 Williams 126299 X 2,674,991 4/1954 Schaefer. 2,806,465 9/1957 Hess 12692 2,815,427 12/1957 Schaefer 21919 2,905,073 9/1959 Aveni 126-299 X 2,974,663 3/1961 Humbert 98-115 X 3,011,492 12/1961 Humbert 98-115 X 3,176,447 4/1965 Omohundro et al. 55-279 3,213,847 10/1965 Scott 126--39 X FOREIGN PATENTS 1,156,581 12/1957 France.
370,159 4/1932 Great Britain.
370,160 4/1932 Great Britain.
HARRY B. THORNTON, Primary Examiner.
D. TALBERT, Assistant Examiner.
Priority Applications (1)
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US602313A US3391689A (en) | 1966-12-16 | 1966-12-16 | Unitized cooking range and air cleaner |
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US602313A US3391689A (en) | 1966-12-16 | 1966-12-16 | Unitized cooking range and air cleaner |
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US3391689A true US3391689A (en) | 1968-07-09 |
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US602313A Expired - Lifetime US3391689A (en) | 1966-12-16 | 1966-12-16 | Unitized cooking range and air cleaner |
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US4411254A (en) * | 1981-04-24 | 1983-10-25 | The Jenn-Air Corporation | Countertop range with proximity ventilation and electronic air cleaner |
FR2537020A1 (en) * | 1982-12-02 | 1984-06-08 | Rubbens Sarl Ateliers | Combined cooking appliances and air suction and filtration device. |
US4489647A (en) * | 1982-04-29 | 1984-12-25 | Stamps Kenneth H | Food frying and dispensing apparatus |
US4505194A (en) * | 1983-09-09 | 1985-03-19 | Bishop Charles D | Automatic food frying and dispensing apparatus |
US4610705A (en) * | 1984-11-06 | 1986-09-09 | Broan Manufacturing Co. Inc. | Filter for ductless range hood |
US4941400A (en) * | 1989-09-28 | 1990-07-17 | Henny Penny Corporation | Ventless hood for a deep fat fryer |
US5125328A (en) * | 1988-02-04 | 1992-06-30 | Rene Grandi | Apparatus for cooking and refrigerating food with selective introduction and removal of food |
US5133786A (en) * | 1990-01-26 | 1992-07-28 | Anderson Edward M | Method and apparatus for minimizing odor during hot oil food cooking |
WO1996019700A1 (en) * | 1994-12-22 | 1996-06-27 | Garland Commercial Ranges Limited | Exhaust unit with ventless hood |
US5671726A (en) * | 1995-06-20 | 1997-09-30 | Hsu; Robert Y. | Cooking fume purifier |
US5941235A (en) * | 1995-08-03 | 1999-08-24 | Garland Commercial Ranges Limited | Exhaust unit with ventless hood |
US6647978B1 (en) * | 2002-06-06 | 2003-11-18 | Maytag Corporation | Kitchen island vent hood |
US20030226560A1 (en) * | 2002-06-06 | 2003-12-11 | Maytag Corporation | Adjustable kitchen island control |
US20040103789A1 (en) * | 2002-11-29 | 2004-06-03 | Lan Chin I. | Fume-treating device and fume ducting system for cooker hoods |
US6783563B1 (en) * | 2002-09-25 | 2004-08-31 | Delta International Machinery Corp. | Downdraft dust collector |
US20040187702A1 (en) * | 2003-03-25 | 2004-09-30 | Zhaoxia Xu | Forced Venting Fry Utensil |
US6802770B2 (en) | 1999-12-18 | 2004-10-12 | Broan-Nutone Llc | Ventilating exhaust fan |
US6875248B1 (en) * | 2002-09-25 | 2005-04-05 | Delta International Machinery Corp. | Dust collection cabinet |
US20050111840A1 (en) * | 2003-11-21 | 2005-05-26 | Craw Gary J. | Ventilating and heating apparatus and method |
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GB370159A (en) * | 1931-03-14 | 1932-04-07 | Harry Nuttall | Improvements in cooking ranges |
US2162019A (en) * | 1938-05-28 | 1939-06-13 | Carl F Berg | Dust removing apparatus |
US2482952A (en) * | 1945-04-10 | 1949-09-27 | Southern California Gas Co | Cooking range with ventilating hood |
US2554694A (en) * | 1945-06-06 | 1951-05-29 | Delbert F Belt | Odor eliminating apparatus |
US2634718A (en) * | 1945-09-17 | 1953-04-14 | Chambers Corp | Gas oven ventilation |
US2584613A (en) * | 1948-05-07 | 1952-02-05 | William A Pledger | Kitchen stove ventilator |
US2674991A (en) * | 1951-02-08 | 1954-04-13 | Philco Corp | Ventilating means for cooking ranges |
US2806465A (en) * | 1954-05-06 | 1957-09-17 | Selas Corp Of America | Radiant panel space heater |
US2815427A (en) * | 1954-08-27 | 1957-12-03 | Philco Corp | Smoke and odor eliminator |
US2905073A (en) * | 1956-02-09 | 1959-09-22 | Aveni Anthony | Collapsible hood |
FR1156581A (en) * | 1956-07-26 | 1958-05-19 | Improvements made to devices for the suction of vapors, in particular steams | |
US2974663A (en) * | 1958-01-31 | 1961-03-14 | Reuben J Humbert | Ventilating hood structures |
US3011492A (en) * | 1958-06-13 | 1961-12-05 | Reuben J Humbert | Ventilators for cooking ranges |
US3176447A (en) * | 1961-06-07 | 1965-04-06 | Gen Electric | Air purifier |
US3213847A (en) * | 1964-02-17 | 1965-10-26 | Gen Electric | Range construction |
Cited By (65)
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US4411254A (en) * | 1981-04-24 | 1983-10-25 | The Jenn-Air Corporation | Countertop range with proximity ventilation and electronic air cleaner |
US4489647A (en) * | 1982-04-29 | 1984-12-25 | Stamps Kenneth H | Food frying and dispensing apparatus |
FR2537020A1 (en) * | 1982-12-02 | 1984-06-08 | Rubbens Sarl Ateliers | Combined cooking appliances and air suction and filtration device. |
US4505194A (en) * | 1983-09-09 | 1985-03-19 | Bishop Charles D | Automatic food frying and dispensing apparatus |
US4610705A (en) * | 1984-11-06 | 1986-09-09 | Broan Manufacturing Co. Inc. | Filter for ductless range hood |
US5125328A (en) * | 1988-02-04 | 1992-06-30 | Rene Grandi | Apparatus for cooking and refrigerating food with selective introduction and removal of food |
US4941400A (en) * | 1989-09-28 | 1990-07-17 | Henny Penny Corporation | Ventless hood for a deep fat fryer |
US5133786A (en) * | 1990-01-26 | 1992-07-28 | Anderson Edward M | Method and apparatus for minimizing odor during hot oil food cooking |
WO1996019700A1 (en) * | 1994-12-22 | 1996-06-27 | Garland Commercial Ranges Limited | Exhaust unit with ventless hood |
US5671726A (en) * | 1995-06-20 | 1997-09-30 | Hsu; Robert Y. | Cooking fume purifier |
US5941235A (en) * | 1995-08-03 | 1999-08-24 | Garland Commercial Ranges Limited | Exhaust unit with ventless hood |
US6802770B2 (en) | 1999-12-18 | 2004-10-12 | Broan-Nutone Llc | Ventilating exhaust fan |
US20030226560A1 (en) * | 2002-06-06 | 2003-12-11 | Maytag Corporation | Adjustable kitchen island control |
US6647978B1 (en) * | 2002-06-06 | 2003-11-18 | Maytag Corporation | Kitchen island vent hood |
US6877506B2 (en) | 2002-06-06 | 2005-04-12 | Maytag Corporation | Adjustable kitchen island control |
US6783563B1 (en) * | 2002-09-25 | 2004-08-31 | Delta International Machinery Corp. | Downdraft dust collector |
US6875248B1 (en) * | 2002-09-25 | 2005-04-05 | Delta International Machinery Corp. | Dust collection cabinet |
US20040103789A1 (en) * | 2002-11-29 | 2004-06-03 | Lan Chin I. | Fume-treating device and fume ducting system for cooker hoods |
US20040187702A1 (en) * | 2003-03-25 | 2004-09-30 | Zhaoxia Xu | Forced Venting Fry Utensil |
US6979169B2 (en) | 2003-11-21 | 2005-12-27 | Broan-Nutone Llc | Modular ventilating exhaust fan assembly and method |
US20050111972A1 (en) * | 2003-11-21 | 2005-05-26 | Broan-Nutone Llc | Modular ventilating exhaust fan assembly and method |
US20050111840A1 (en) * | 2003-11-21 | 2005-05-26 | Craw Gary J. | Ventilating and heating apparatus and method |
US20060073008A1 (en) * | 2003-11-21 | 2006-04-06 | Broan-Nutone Llc | Modular ventilating exhaust fan assembly and method |
US7203416B2 (en) | 2003-11-21 | 2007-04-10 | Broan-Nutone Llc | Ventilating and heating apparatus with heater shielded by tapered discharge duct |
US7455500B2 (en) | 2003-11-21 | 2008-11-25 | Broan-Nu Tone Llc | Modular ventilating exhaust fan assembly and method |
US20050218289A1 (en) * | 2004-04-02 | 2005-10-06 | Penlesky Robert G | Fan mounting spacer assembly and method |
US7128303B2 (en) | 2004-04-02 | 2006-10-31 | Broan-Nu Tone Llc | Fan mounting spacer assembly |
US20070040091A1 (en) * | 2004-04-02 | 2007-02-22 | Broan-Nutone Llc. | Fan mounting spacer assembly and method |
US20090130970A1 (en) * | 2007-11-21 | 2009-05-21 | Corey Scott Jacak | Exhaust fan and method of operating the same |
USD837966S1 (en) | 2008-01-02 | 2019-01-08 | Broan-Nutone Llc | Grille |
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DE102008041160A1 (en) * | 2008-08-11 | 2010-02-18 | BSH Bosch und Siemens Hausgeräte GmbH | Fume hood device has fume hood housing, suction unit, vapor shield and sucking surface at vapor shield, where vapor shield is supported at lower surface of fume hood housing in rotatable manner |
US8522770B2 (en) | 2008-08-26 | 2013-09-03 | Sa Vent, Llc | Recirculating, self-contained ventilation system |
US20100051010A1 (en) * | 2008-08-26 | 2010-03-04 | Colburn Michael G | Recirculating, self-contained ventilation system |
US20100065038A1 (en) * | 2008-09-13 | 2010-03-18 | John Mills Davies | Exhaust Canopy |
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