US3011424A - Louvered air conditioner cover - Google Patents
Louvered air conditioner cover Download PDFInfo
- Publication number
- US3011424A US3011424A US38142A US3814260A US3011424A US 3011424 A US3011424 A US 3011424A US 38142 A US38142 A US 38142A US 3814260 A US3814260 A US 3814260A US 3011424 A US3011424 A US 3011424A
- Authority
- US
- United States
- Prior art keywords
- cover
- plates
- louvers
- wall
- air conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
Definitions
- the present invention relates to means removably attachable to the outer face of a building Wall for covering a disfiguring and unsightly objectprotruding from the wall.
- Such an object' is a room air" conditioning unit,
- louvered other object of the invention to provide a louvered cover for this overhanging portion, which is of such dimensions as to span the wall opening in which the window frame is set and be anchored against the face of the wall, the cover being separate and independent of the unit and all parts of the window'per se so that the sash may be raised and louvered and the unit moved in or out at will without contact with or hindrance by the protective cover.
- the cover is of general rectangular shape, open at the bottom and across its rear wall engaging face, andit is a further object of the invention to provide a structure of this character in which the front and two opposing sides are formed by superimposed louvers of such novel design, arrangement and 'slope as to withstand severe storms, keep out driving rain and salt spray, and prevent the development of air currents that would interfere with 7 ing more detailed description, and particularly defined in I the appended claims. 7
- FIG. 1 is a plan view of the cover or hood shown attached to the outer face of a building wall and Spanning a window opening.
- FIG. 2 is a vertical section on line 2-2 of FIG. 1.
- the invention is shown as a cover for an air conditioner supported upon a window sill and extending outwardly from the sill.
- FIG. 3 is a fragmentary view in elevation of the invention, as seen from its open rear face.
- FIGS. 4 and 5 are perspective views of front and rear upright members, respectively, which support the louver plates.
- FIG. 6 is a view of the invention as seen in front elevation. i i
- FIG. 7 is a sectional plan taken on line 7-7, FIG. 6, and looking in the direction of the arrows.
- FIG. 2 there is shown in side elevation at 8 a typical room air conditioning unit supported upon the sill 9 of a window frame 10 set in an opening 11, FIG. 1, of a building wall 12. Also seen in FIG. 2 is a fragmentary portion of the lower window sash which'is raised so that the bottom rail 13 rests upon the inner portion of the unit 8, spaces between the box-like unit 8 and the side rails of the window frame 10 being closed in the usual manner by adjustable plates not shown. That part of the unit 8 to be covered by the invention is the portion protruding beyond the outer face of the wall 12.
- the cover is, as hereinabove stated, a hood-shaped housing of rectangular formation open at the rear and with the front and two sides comprising a plurality of superimposed horizontally extending louvers.
- the side louvers are formed by sheet metal plates 15 and the front louvers by similar but longer plates 16.
- Each plate 15 is formed along its front edge with a downwardly turned skirt forming flange 17 and along its'rear edge with an upturned flange 18.
- the corresponding edges of the plates 16 are similarly formed with front and rear flanges 19 and 20, respectively.
- the side plates 15 terminate at one end in the plane of the open rear face of the cover 14 and each of such plates 15 at its outer end has miter joint connection at 21 with a corresponding front plate 16.
- the plates 15 and 16 of each louver are continuous along the sides and across the front of the cover 14. 7
- Supporting the louver plates 15 and 16 is an inner frame structure comprising uprights 22 and 23 shown in detail in FIGS. 4 andS, respectively, the uprights 22 being located at the front corners of the rectangular cover 14 and the uprights 23 at the rear corners.
- These uprights are preferably die-cut blanks shaped as shown by punch press or other suitable forming tools.
- Each member '22 has an elongated portion 24, in this instance angular in cross section and from one longitudinal-edge of which regularly spaced portions of the blank are turned laterally outward to provide brackets 25.
- the free upper parts of these bracket portions 25 are in turn bent laterally on the bias, and in the direction away from the part 24, to form downward sloping supporting surfaces 26 for the louver plates 16.
- Each upright 23 has an elongated fiat portion 27 along I one edge of which regularly spaced portions of the blank are bent laterally outward to provide brackets 28 the upper free parts of which, like the parts 26 of brackets 25, are laterally turned along bias lines, but in this instance in a direction toward the elongated part 27, to provide downward sloping supporting surfaces 29 for the louver plates, 15.
- louver plates 15 and 16 are secured to their inclined supporting surfaces 29 and 26 by any suitable fastening devices but preferably by non-rust rivets indicated at 30. p
- the angle of inclination of the bias lines along which the parts 26 and 29 are bent determines the slope of these parts and that of the louver forming plates 15 and 16.
- This plate 3 1 Covering the inner frame structure comprising the uprights 22 and 23 is a top plate 3 1.
- This plate 3 1 has a continuous depending flange 32 along its front and side edges which fits snugly over and is secured by rivets 33 to the upturned inner flanges 1'8 and 20 of the plates 15 and 16 of the uppermost louver.
- top plate 31 Along the rear edge of the top plate 31 is an upstanding flange 34 which bysuitable anchor bolts 35 is secured to the face of. the building wall 12 and is the means whereby the cover 14 is mounted with its open face flush with the wall.
- the side louvers are of greater extent outwardly from the uprights 22 and 23 of the supporting frame structure than that of the front louvers from the front uprights 22-22. Consequently the slope of the cover, a structural feature to be desired.
- the downwardly turned outer flanges 17 and 19 and upwardly turned inner flanges 18 and 20 of the louvers provide baffles for keeping out rain and salt spray, and the openings between the louvers permit circulation of plenty of air so that there is no interference with the intake and output of air from the enclosed air conditioning unit 8.
- T he cover 14 is preferably made of a special aluminum alloy coated with a baked in enamel and an application of Turkish lacquer is included as an armored protection against salt spray It may also be stated that light-colored baked aluminum reflects 95% of solar heat before such heat touches the enclosed unit. Therefore the air conditioning unit is kept shade cool and by absorbing shaded air, the unit operates with maximum efficiency and with longer life.
- an inner frame structure including an upright at each corner of the cover, a plurality of brackets regularly spaced longitudinally of and extending laterally outward from said uprights and downward sloping flanges turned laterally from the top edges of said brackets, each of said uprights, its brackets and flange portions being integrally formed from a single blank of sheet metal, a plurality of superimposed longitudinally extending louvers forming the front and two sides of the cover, the rear side edges, respectively, of said louver plates, a top plate for said cover, a continuing flange turned downward from the front and side edges of said top, such top flanges engaging over the corresponding upturned inner flanges of the uppermost one of said louver plates and riveted there- 4 to, an upturned flange along the rear edge of said top and anchoring means for securing said flange to the building wall 'with
- an inner frame structure including an upright at each corner of the cover, a plurality of brackets regularly spaced longitudinally of and extending laterally outward from said uprights and downward sloping flanges turned laterally from the top edges of said brackets, a plurality of super-imposed longitudinally extending louvers forming the front and two sides 'with a cover, the rear side of the cover being open and said louvers being supported upon and fixed tothe said sloping flanges, downwardly turned flanges and upwardly turned flanges extending along the outer and inner longitudinal edges, respectively, of said louver plates, a top plate for said cover, a continuing flange upturned inner flanges of the uppermost one of said louver plates and fixed thereto, an upturned flange along the rear edge of said top and anchoring means for securing said flange .to the building wall with the
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Description
Dec. 5, 1961 J. N. KOHNEN 3,011,424
LOUVERED AIR CONDITIONER COVER Filed June 25, 1960 2 sheets-sheet 1 INVENTOR. John N.Kohnen Dec. 5, 1961 J. N. KOHNEN 3,011,424
LOUVERED AIR CONDITIONER COVER Filed June '25, 1960 2 Sheets-Sheet 2 FIG. 7
* United States Patent Ofitice 3,01 1,424 Patented Dee. 5, 1961 3,011,424 LOUVERED AIR CONDITIGNER COVER John N. Kohnen, 45 NE. 54th St., Miami, Fla. Filed June 23,1960, Ser. No. 38,142
4 Claims. (Cl. 98-94) The present invention relates to means removably attachable to the outer face of a building Wall for covering a disfiguring and unsightly objectprotruding from the wall. Such an object'is a room air" conditioning unit,
. and the invention has particular relation to a louvered other object of the invention to provide a louvered cover for this overhanging portion, which is of such dimensions as to span the wall opening in which the window frame is set and be anchored against the face of the wall, the cover being separate and independent of the unit and all parts of the window'per se so that the sash may be raised and louvered and the unit moved in or out at will without contact with or hindrance by the protective cover.
The cover is of general rectangular shape, open at the bottom and across its rear wall engaging face, andit is a further object of the invention to provide a structure of this character in which the front and two opposing sides are formed by superimposed louvers of such novel design, arrangement and 'slope as to withstand severe storms, keep out driving rain and salt spray, and prevent the development of air currents that would interfere with 7 ing more detailed description, and particularly defined in I the appended claims. 7
The accompanying drawings, illustrating the invention and forming a part of the specification, are as follows:
FIG. 1 is a plan view of the cover or hood shown attached to the outer face of a building wall and Spanning a window opening.
FIG. 2 is a vertical section on line 2-2 of FIG. 1. In this view, the invention is shown as a cover for an air conditioner supported upon a window sill and extending outwardly from the sill.
FIG. 3 is a fragmentary view in elevation of the invention, as seen from its open rear face.
FIGS. 4 and 5 are perspective views of front and rear upright members, respectively, which support the louver plates.
FIG. 6 is a view of the invention as seen in front elevation. i i
FIG. 7 is a sectional plan taken on line 7-7, FIG. 6, and looking in the direction of the arrows.
In the illustrated embodiment .of the invention, see,
FIG. 2, there is shown in side elevation at 8 a typical room air conditioning unit supported upon the sill 9 of a window frame 10 set in an opening 11, FIG. 1, of a building wall 12. Also seen in FIG. 2 is a fragmentary portion of the lower window sash which'is raised so that the bottom rail 13 rests upon the inner portion of the unit 8, spaces between the box-like unit 8 and the side rails of the window frame 10 being closed in the usual manner by adjustable plates not shown. That part of the unit 8 to be covered by the invention is the portion protruding beyond the outer face of the wall 12.
The cover, indicated generally by numeral 14, is, as hereinabove stated, a hood-shaped housing of rectangular formation open at the rear and with the front and two sides comprising a plurality of superimposed horizontally extending louvers.
The side louvers are formed by sheet metal plates 15 and the front louvers by similar but longer plates 16. Each plate 15 is formed along its front edge with a downwardly turned skirt forming flange 17 and along its'rear edge with an upturned flange 18. The corresponding edges of the plates 16 are similarly formed with front and rear flanges 19 and 20, respectively.
The side plates 15 terminate at one end in the plane of the open rear face of the cover 14 and each of such plates 15 at its outer end has miter joint connection at 21 with a corresponding front plate 16. Thus the plates 15 and 16 of each louver are continuous along the sides and across the front of the cover 14. 7
Supporting the louver plates 15 and 16 is an inner frame structure comprising uprights 22 and 23 shown in detail in FIGS. 4 andS, respectively, the uprights 22 being located at the front corners of the rectangular cover 14 and the uprights 23 at the rear corners. These uprights are preferably die-cut blanks shaped as shown by punch press or other suitable forming tools.
Each member '22 has an elongated portion 24, in this instance angular in cross section and from one longitudinal-edge of which regularly spaced portions of the blank are turned laterally outward to provide brackets 25. The free upper parts of these bracket portions 25 are in turn bent laterally on the bias, and in the direction away from the part 24, to form downward sloping supporting surfaces 26 for the louver plates 16.
Each upright 23 has an elongated fiat portion 27 along I one edge of which regularly spaced portions of the blank are bent laterally outward to provide brackets 28 the upper free parts of which, like the parts 26 of brackets 25, are laterally turned along bias lines, but in this instance in a direction toward the elongated part 27, to provide downward sloping supporting surfaces 29 for the louver plates, 15.
The louver plates 15 and 16 are secured to their inclined supporting surfaces 29 and 26 by any suitable fastening devices but preferably by non-rust rivets indicated at 30. p
The angle of inclination of the bias lines along which the parts 26 and 29 are bent determines the slope of these parts and that of the louver forming plates 15 and 16.
Covering the inner frame structure comprising the uprights 22 and 23 is a top plate 3 1. This plate 3 1 has a continuous depending flange 32 along its front and side edges which fits snugly over and is secured by rivets 33 to the upturned inner flanges 1'8 and 20 of the plates 15 and 16 of the uppermost louver.
Along the rear edge of the top plate 31 is an upstanding flange 34 which bysuitable anchor bolts 35 is secured to the face of. the building wall 12 and is the means whereby the cover 14 is mounted with its open face flush with the wall.
It will be observed from the illustrated embodiment of the invention that the side louvers are of greater extent outwardly from the uprights 22 and 23 of the supporting frame structure than that of the front louvers from the front uprights 22-22. Consequently the slope of the cover, a structural feature to be desired.
The downwardly turned outer flanges 17 and 19 and upwardly turned inner flanges 18 and 20 of the louvers provide baffles for keeping out rain and salt spray, and the openings between the louvers permit circulation of plenty of air so that there is no interference with the intake and output of air from the enclosed air conditioning unit 8.
T he cover 14 is preferably made of a special aluminum alloy coated with a baked in enamel and an application of Turkish lacquer is included as an armored protection against salt spray It may also be stated that light-colored baked aluminum reflects 95% of solar heat before such heat touches the enclosed unit. Therefore the air conditioning unit is kept shade cool and by absorbing shaded air, the unit operates with maximum efficiency and with longer life.
It is to be understood that the specific embodiment of the invention, as described and shown in the drawings, in a window frame installation, is merely for the purposes of illustration, and that other installations are contemplated, such as through openings formed in the wall of the building apart from the Window, such as are well known in the art.
What I claim is:
1. In a cover of general rectangular shape for housing that portion of an air conditioning unit protruding from a window opening in the side wall of a building, an inner frame structure including an upright at each corner of the cover, a plurality of brackets regularly spaced longitudinally of and extending laterally outward from said uprights and downward sloping flanges turned laterally from the top edges of said brackets, each of said uprights, its brackets and flange portions being integrally formed from a single blank of sheet metal, a plurality of superimposed longitudinally extending louvers forming the front and two sides of the cover, the rear side edges, respectively, of said louver plates, a top plate for said cover, a continuing flange turned downward from the front and side edges of said top, such top flanges engaging over the corresponding upturned inner flanges of the uppermost one of said louver plates and riveted there- 4 to, an upturned flange along the rear edge of said top and anchoring means for securing said flange to the building wall 'with the open rear face of the cover flush with the wall.
2. In a cover of vgeneral rectangular shape for housing that portion of an air conditioning unit protruding from an opening in the side wall of a building, an inner frame structure including an upright at each corner of the cover, a plurality of brackets regularly spaced longitudinally of and extending laterally outward from said uprights and downward sloping flanges turned laterally from the top edges of said brackets, a plurality of super-imposed longitudinally extending louvers forming the front and two sides 'with a cover, the rear side of the cover being open and said louvers being supported upon and fixed tothe said sloping flanges, downwardly turned flanges and upwardly turned flanges extending along the outer and inner longitudinal edges, respectively, of said louver plates, a top plate for said cover, a continuing flange upturned inner flanges of the uppermost one of said louver plates and fixed thereto, an upturned flange along the rear edge of said top and anchoring means for securing said flange .to the building wall with the open rear face of the cover flush with the wall.
3. Ina cover of general rectangular shape for housing that portion of an air conditioning unit protruding from an opening in the side wall of a building, as described in claim 2, wherein, the plurality of super-imposed longitudinally extending louvers forming the front of said cover are of lesser width than the louvers which form the two sides of the cover.
4. In a cover of general rectangular shape for housing that portion of an air conditioning unit protruding from an opening in the side wall of a building, as'described in claim 2, wherein the width of the two sides of the plurality of superimposed longitudinally extending louvers are wider than the front plurality of longitudinally extending louvers.
References Cited in the 'file of this patent UNITED STATES PATENTS
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38142A US3011424A (en) | 1960-06-23 | 1960-06-23 | Louvered air conditioner cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38142A US3011424A (en) | 1960-06-23 | 1960-06-23 | Louvered air conditioner cover |
Publications (1)
Publication Number | Publication Date |
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US3011424A true US3011424A (en) | 1961-12-05 |
Family
ID=21898295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US38142A Expired - Lifetime US3011424A (en) | 1960-06-23 | 1960-06-23 | Louvered air conditioner cover |
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US (1) | US3011424A (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3181525A (en) * | 1962-08-28 | 1965-05-04 | Gen Prod Co Inc | Radiant heaters |
JPS5023048U (en) * | 1973-06-26 | 1975-03-14 | ||
USD246379S (en) * | 1977-02-09 | 1977-11-15 | Walter Mueller | Air conditioner cover |
USD246378S (en) * | 1976-10-04 | 1977-11-15 | Walter Mueller | Air conditioner cover |
US4732012A (en) * | 1986-04-10 | 1988-03-22 | Thorpe W Dean | Energy efficient evaporative cooler cover apparatus |
US5386702A (en) * | 1993-06-10 | 1995-02-07 | Wiesen; Bernard | Noise inhibiting arrangements for room air-conditioners |
US5655382A (en) * | 1996-02-07 | 1997-08-12 | Chen; Tze Li | Weather, dust, and impact protective shielding device |
US20050279347A1 (en) * | 2004-06-07 | 2005-12-22 | Raymundo Mejia | Heating and cooling system |
US20080178624A1 (en) * | 2007-01-30 | 2008-07-31 | Zedney David B | Shield for air conditioner |
US20090071087A1 (en) * | 2007-04-05 | 2009-03-19 | Achen John J | Garage door vent with screen |
US20090148236A1 (en) * | 2007-12-07 | 2009-06-11 | Achen John J | Flood and combustion air vent |
US20100081371A1 (en) * | 2008-09-29 | 2010-04-01 | Dinicolas Michael | Outdoor air conditioner cover assembly |
US20110039490A1 (en) * | 2009-08-12 | 2011-02-17 | James Wiese | Window Fan |
WO2012021706A1 (en) * | 2010-08-11 | 2012-02-16 | Mitsubishi Electric & Electronics Usa, Inc. | Low ambient cooling kit for variable refrigerant flow heat pump |
US20120036878A1 (en) * | 2010-08-11 | 2012-02-16 | Mitsubishi Electric & Electronics Usa, Inc. | Low ambient cooling kit for variable refrigerant flow heat pump |
US9388999B2 (en) | 2014-10-16 | 2016-07-12 | Angel de Jesus | Window security assembly |
EP3388750A1 (en) * | 2017-04-14 | 2018-10-17 | Hitachi-Johnson Controls Air Conditioning, Inc. | An outdoor unit and an air conditioner having the same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1740954A (en) * | 1929-04-15 | 1929-12-24 | Paine Herman | Ventilator device |
US2383639A (en) * | 1944-11-30 | 1945-08-28 | Albert C Ferguson | Metallic awning |
US2540091A (en) * | 1947-06-16 | 1951-02-06 | Lester E Brackney | Water-cooling tower |
US2780982A (en) * | 1954-06-25 | 1957-02-12 | Grover C Malone | Cover for air conditioning unit |
-
1960
- 1960-06-23 US US38142A patent/US3011424A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1740954A (en) * | 1929-04-15 | 1929-12-24 | Paine Herman | Ventilator device |
US2383639A (en) * | 1944-11-30 | 1945-08-28 | Albert C Ferguson | Metallic awning |
US2540091A (en) * | 1947-06-16 | 1951-02-06 | Lester E Brackney | Water-cooling tower |
US2780982A (en) * | 1954-06-25 | 1957-02-12 | Grover C Malone | Cover for air conditioning unit |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3181525A (en) * | 1962-08-28 | 1965-05-04 | Gen Prod Co Inc | Radiant heaters |
JPS5023048U (en) * | 1973-06-26 | 1975-03-14 | ||
USD246378S (en) * | 1976-10-04 | 1977-11-15 | Walter Mueller | Air conditioner cover |
USD246379S (en) * | 1977-02-09 | 1977-11-15 | Walter Mueller | Air conditioner cover |
US4732012A (en) * | 1986-04-10 | 1988-03-22 | Thorpe W Dean | Energy efficient evaporative cooler cover apparatus |
US5386702A (en) * | 1993-06-10 | 1995-02-07 | Wiesen; Bernard | Noise inhibiting arrangements for room air-conditioners |
US5655382A (en) * | 1996-02-07 | 1997-08-12 | Chen; Tze Li | Weather, dust, and impact protective shielding device |
US20050279347A1 (en) * | 2004-06-07 | 2005-12-22 | Raymundo Mejia | Heating and cooling system |
US7325542B2 (en) | 2004-06-07 | 2008-02-05 | Raymundo Mejia | Heating and cooling system |
US20080178624A1 (en) * | 2007-01-30 | 2008-07-31 | Zedney David B | Shield for air conditioner |
US20090071087A1 (en) * | 2007-04-05 | 2009-03-19 | Achen John J | Garage door vent with screen |
US20090148236A1 (en) * | 2007-12-07 | 2009-06-11 | Achen John J | Flood and combustion air vent |
US7909686B2 (en) | 2007-12-07 | 2011-03-22 | Achen John J | Flood and combustion air vent |
US20110225912A1 (en) * | 2007-12-07 | 2011-09-22 | Achen John J | Block wall and garage door flood and combustion air vent |
US20100081371A1 (en) * | 2008-09-29 | 2010-04-01 | Dinicolas Michael | Outdoor air conditioner cover assembly |
US8357031B2 (en) * | 2008-09-29 | 2013-01-22 | Dinicolas Michael | Outdoor air conditioner cover assembly |
US20110039490A1 (en) * | 2009-08-12 | 2011-02-17 | James Wiese | Window Fan |
WO2012021706A1 (en) * | 2010-08-11 | 2012-02-16 | Mitsubishi Electric & Electronics Usa, Inc. | Low ambient cooling kit for variable refrigerant flow heat pump |
US20120036873A1 (en) * | 2010-08-11 | 2012-02-16 | Bush Joseph P | Low Ambient Cooling Kit for Variable Refrigerant Flow Heat Pump |
US20120036878A1 (en) * | 2010-08-11 | 2012-02-16 | Mitsubishi Electric & Electronics Usa, Inc. | Low ambient cooling kit for variable refrigerant flow heat pump |
US9109830B2 (en) * | 2010-08-11 | 2015-08-18 | Mitsubishi Electric Corporation | Low ambient cooling kit for variable refrigerant flow heat pump |
US9347700B2 (en) | 2010-08-11 | 2016-05-24 | Mitsubishi Electric Corporation | Low ambient cooling kit for variable refrigerant flow heat pump |
US9388999B2 (en) | 2014-10-16 | 2016-07-12 | Angel de Jesus | Window security assembly |
EP3388750A1 (en) * | 2017-04-14 | 2018-10-17 | Hitachi-Johnson Controls Air Conditioning, Inc. | An outdoor unit and an air conditioner having the same |
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