US2561591A - Air deflector - Google Patents

Air deflector Download PDF

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Publication number
US2561591A
US2561591A US743167A US74316747A US2561591A US 2561591 A US2561591 A US 2561591A US 743167 A US743167 A US 743167A US 74316747 A US74316747 A US 74316747A US 2561591 A US2561591 A US 2561591A
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curved
louver
trailing edge
air
leading edge
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Expired - Lifetime
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US743167A
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Oscar C Palmer
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    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/075—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser having parallel rods or lamellae directing the outflow, e.g. the rods or lamellae being individually adjustable

Definitions

  • This invention relates to heat transfer apparatus of the type employed for space heating or space cooling and is particularly directed to an improved form of air deflector or louver employed in connection with such apparatus.
  • the principal object of this invention is to provide an improved form of louver for deflecting air issuing from a space heater or space cooler.
  • Another object is to provide a compound curve louver which acts to spread a current of air laterally as well as to deflect it downwardly.
  • a more particular object is to provide a louver having substantially a straight horizontal leading edge and a curved trailing edge, the trailing edge being curved about a large radius in horizontal plane and being curved about a small radius in vertical section.
  • a further object is to provide a louver of this type which may be stamped from a single sheet of metal.
  • Figure 1 is a top plan view of the preferred embodiment of my invention.
  • Figure 2 is a rear elevation thereof.
  • Figure 3 is a sectional elevation taken substantially on the lines 3--3 as shown in Figure 1.
  • Figure 4 is a perspective view showing the leading edge of the preferred form of louver.
  • Figure 5 is a plan view partly broken away showing installation of a louver embodying my invention in a space heater.
  • Figure 6 is a perspective view of the heater shown in Figure 5 illustrating a plurality of louvers in operating position.
  • louver Hl maybe employed in connection with deflecting any stream of air and finds particular usefulness in connection with space heaters and space coolers.
  • louver in connection with a space heater, it is to be understood that it is also used with space coolers of every type.
  • the louver may be formed of any suitable material, such as metal, and extends laterally between side stiffeners l2 and It.
  • a straight horizontal leading edge I4 is joined integrally with the side stilleners l2 and I3 and the trailing edge It: is curved in horizontal plane and in vertical section and also is joined integrally with the side stiffeners I2 and I3.
  • the surface l6 of the louver between the leading edge l4 and the trailing edge I5 is curved about a relatively large radius R1 as shown in Figure 3.
  • the trailing edge 15 is curved in vertical section along the relatively small :radiusRz as shown in Figure 3.
  • the trailing edge 15 is also curved about a relatively large radius R3 in horizontal plane as shown in Figure 1.
  • the trailing edge [5 is shaped with a double radius in the form of a compound. curve.
  • the louvers it may be installed on the space heater H in any suitable or convenient manner.
  • the side stifleners I2 and I3 may be positioned adjacent the side walls l1 and I8 and maintained in position by means of clips I9 and fastening elements 20, which elements extend through openings 21.
  • the louvers In extend horizontally across the opening 2
  • the air stream issues between the heat fins 22 which extend vertically in parallel relation within the body of the heater II.
  • is broken up and deflected by means of the louvers In to spread the air laterally and deflect it downwardly and thus contribute to the uniform space heating.
  • the arrows 23 illustrate the action of the louvers H3 in deflecting the stream of air issuing from the central opening 2
  • the heater Il may be of any suitable or desirable type and as illustrated, is adapted to be suspended above the floor level by means of the terminal fittings 25 and 25.
  • An outlet 25 may be provided for connection to a stack (not shown) to carry off fumes.
  • a compound curved louver for deflecting a current of air comprising a curved sheet of material provided with downwardly extending side stiifeners integrally formed therewith, the sheet having a substantially straight horizontal leading edge and a curved trailing edge, the sheet curving gradually from the leading edge to the trailing edge, the trailing edge being convexly curved in plan and curved away from the horizontal, whereby an air stream directed normal to the leading edge is spread laterally and deflected at an angle.
  • a curved sheet of material provided with downwardly extending side stifieners integrally formed therewith, the sheet having a substantially straight horizontal leading edge extending between the side stiffeners, the trailing edge of the sheet being convexly and symmetrically curved in plan and curved downwardly away from the horizontal and terminating in a horizontal plane, whereby an air stream may be spread laterally and deflected downwardly.
  • a compound curved louver for deflecting a current of air comprising a curved sheet of material provided with downwardly extending side stiffeners integrally formed therewith, the sheet having a substantially straight horizontal leading edge and acurved trailing edge, the sheet curving about a relatively large radius from the leading edge to the trailing edge, the trailing edge being convexly and symmetrically curved in plan and being curved about a relatively small radius away from the horizontal and terminatin in a horizontal plane, whereby an air stream directed normal to the leading edge is spread laterally and deflected at an angle.

Description

July 24, 1951 g, PALMER 1 2,561,591
AIR DEFLECTOR Filed April 22, 1947 Patented My 24, 1951 UNITED: STATES PATENT; or ies I 2,561,591 1 Ara DEFLECTOR? Oscar- 0. Palmer, Phoenix, Arias Application. April 22, 1947; Serial No. 743,167
This invention relates to heat transfer apparatus of the type employed for space heating or space cooling and is particularly directed to an improved form of air deflector or louver employed in connection with such apparatus.
The principal object of this invention is to provide an improved form of louver for deflecting air issuing from a space heater or space cooler.
Another object is to provide a compound curve louver which acts to spread a current of air laterally as well as to deflect it downwardly.
A more particular object is to provide a louver having substantially a straight horizontal leading edge and a curved trailing edge, the trailing edge being curved about a large radius in horizontal plane and being curved about a small radius in vertical section.
A further object is to provide a louver of this type which may be stamped from a single sheet of metal.
Other objects and advantages will appear hereinafter.
In the drawings:
Figure 1 is a top plan view of the preferred embodiment of my invention.
Figure 2 is a rear elevation thereof.
Figure 3 is a sectional elevation taken substantially on the lines 3--3 as shown in Figure 1.
Figure 4 is a perspective view showing the leading edge of the preferred form of louver.
Figure 5 is a plan view partly broken away showing installation of a louver embodying my invention in a space heater.
Figure 6 is a perspective view of the heater shown in Figure 5 illustrating a plurality of louvers in operating position.
Referring to the drawings, the louver generally designated Hl maybe employed in connection with deflecting any stream of air and finds particular usefulness in connection with space heaters and space coolers.
While I have illustrated the preferred form of louver in connection with a space heater, it is to be understood that it is also used with space coolers of every type.
As illustrated in the drawings, the louver may be formed of any suitable material, such as metal, and extends laterally between side stiffeners l2 and It. A straight horizontal leading edge I4 is joined integrally with the side stilleners l2 and I3 and the trailing edge It: is curved in horizontal plane and in vertical section and also is joined integrally with the side stiffeners I2 and I3.
3 "Claims. (01. .98-40) The surface l6 of the louver between the leading edge l4 and the trailing edge I5 is curved about a relatively large radius R1 as shown in Figure 3. The trailing edge 15 is curved in vertical section along the relatively small :radiusRz as shown in Figure 3. The trailing edge 15 is also curved about a relatively large radius R3 in horizontal plane as shown in Figure 1. In other Words, the trailing edge [5 is shaped with a double radius in the form of a compound. curve.
The louvers it) may be installed on the space heater H in any suitable or convenient manner. As shown in the drawings, the side stifleners I2 and I3 may be positioned adjacent the side walls l1 and I8 and maintained in position by means of clips I9 and fastening elements 20, which elements extend through openings 21.
The louvers In extend horizontally across the opening 2| through which warm air is directed outwardly by means of a fan (not shown). The air stream issues between the heat fins 22 which extend vertically in parallel relation within the body of the heater II. The air stream issuing from the opening 2| is broken up and deflected by means of the louvers In to spread the air laterally and deflect it downwardly and thus contribute to the uniform space heating. The arrows 23 illustrate the action of the louvers H3 in deflecting the stream of air issuing from the central opening 2|.
The heater Il may be of any suitable or desirable type and as illustrated, is adapted to be suspended above the floor level by means of the terminal fittings 25 and 25. An outlet 25 may be provided for connection to a stack (not shown) to carry off fumes.
Having fully described my invention, it is to be understood that I do not wish to be limited to the details herein set forth, but my invention is of the full scope of the appended claims.
I claim: 7
1. A compound curved louver for deflecting a current of air, comprising a curved sheet of material provided with downwardly extending side stiifeners integrally formed therewith,,the sheet having a substantially straight horizontal leading edge and a curved trailing edge, the sheet curving gradually from the leading edge to the trailing edge, the trailing edge being convexly curved in plan and curved away from the horizontal, whereby an air stream directed normal to the leading edge is spread laterally and deflected at an angle.
2. In a compound curved louver for deflecting a current of air issuing from heat transfer ap- 3 paratus, a curved sheet of material provided with downwardly extending side stifieners integrally formed therewith, the sheet having a substantially straight horizontal leading edge extending between the side stiffeners, the trailing edge of the sheet being convexly and symmetrically curved in plan and curved downwardly away from the horizontal and terminating in a horizontal plane, whereby an air stream may be spread laterally and deflected downwardly.
3. A compound curved louver for deflecting a current of air, comprising a curved sheet of material provided with downwardly extending side stiffeners integrally formed therewith, the sheet having a substantially straight horizontal leading edge and acurved trailing edge, the sheet curving about a relatively large radius from the leading edge to the trailing edge, the trailing edge being convexly and symmetrically curved in plan and being curved about a relatively small radius away from the horizontal and terminatin in a horizontal plane, whereby an air stream directed normal to the leading edge is spread laterally and deflected at an angle.
OSCAR C. PALMER.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 1,753,587 Young Apr. 8, 1930 1,797,915 Hockstein Mar. 24, 1931 1,869,534 Young .Aug. 2, 1932 1,990,801 Spear Feb. 12, 1935 2,115,720 Holmes May 3, 1938 2,118,282 Will May 24, 1938 2,254,258 Perkins Sept. 2, 1941 2,413,118
Spieth Dec. 24, 1946
US743167A 1947-04-22 1947-04-22 Air deflector Expired - Lifetime US2561591A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1753587A (en) * 1929-04-29 1930-04-08 Fred M Young Space heater
US1797915A (en) * 1929-04-27 1931-03-24 Hockstein Leo Ventilator
US1869534A (en) * 1929-05-02 1932-08-02 Fred M Young Air heater
US1990801A (en) * 1934-05-31 1935-02-12 Victor Electric Products Inc Air distributor for electric fans
US2115720A (en) * 1935-08-24 1938-05-03 Westinghouse Electric & Mfg Co Air conditioning apparatus
US2118282A (en) * 1936-06-08 1938-05-24 Tropic Aire Inc Deflector for automobile heaters
US2254258A (en) * 1938-06-16 1941-09-02 Modine Mfg Co Heat exchange device and deflector therefor
US2413118A (en) * 1942-08-14 1946-12-24 Modine Mfg Co Air deflector vane for unit heaters

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1797915A (en) * 1929-04-27 1931-03-24 Hockstein Leo Ventilator
US1753587A (en) * 1929-04-29 1930-04-08 Fred M Young Space heater
US1869534A (en) * 1929-05-02 1932-08-02 Fred M Young Air heater
US1990801A (en) * 1934-05-31 1935-02-12 Victor Electric Products Inc Air distributor for electric fans
US2115720A (en) * 1935-08-24 1938-05-03 Westinghouse Electric & Mfg Co Air conditioning apparatus
US2118282A (en) * 1936-06-08 1938-05-24 Tropic Aire Inc Deflector for automobile heaters
US2254258A (en) * 1938-06-16 1941-09-02 Modine Mfg Co Heat exchange device and deflector therefor
US2413118A (en) * 1942-08-14 1946-12-24 Modine Mfg Co Air deflector vane for unit heaters

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