US2927188A

US2927188A - Air conditioning unit

Info

Publication number: US2927188A
Application number: US768972A
Authority: US
Inventors: George W Green
Original assignee: Individual
Current assignee: Individual
Priority date: 1958-10-22
Filing date: 1958-10-22
Publication date: 1960-03-01
Anticipated expiration: 1977-03-01

Description

March 1, 1960 G. w. GREEN 2,927,188

AIR CONDITIONING UNIT Filed Oct. 22, 1958 2 Sheets-Sheet l George W Green ZAZVEIJTOR,

March 1, 1960 G. w. GREEN 2,927,188

AIR CONDITIONING UNIT Filed Oct. 22, 1958 2 Sheets-Sheet 2 78 77 George M. Green 74 INVENTOR.

W BY

Unitfid StatesPatent O AIR CONDITIONING George-W.=Green,'Toronto, Ontario, Canada Applicationoctober. 22, 1958', minimise-.972

'3 Claims. ch 219 -120 This invention relates to a unit to condition air in a room-or the like, the unit operating to either cool or heat the air depending on the desiresof the user. I

An object of the invention is to provide a: versatile air conditioner which may be used as a table on floor model in varying sizes to serve a number of purposes. A typical embodiment of the invention has a casing with a top assembly, and a blower mounted in the casing. The blower discharges upwardly toward the top assembly that is adjustable and removable in order to direct the blast of air where it is desired or needed.

A further object of the invention is to provide a unique air conditioner unit capable of a number of adjustments and functions for both cooling, that is by providing air circulation, and heating. The heating element may be used independent of the blower; the blower may be used independently of the heater; and the blower and heater may be used simultaneously with means being provided for adjusting the air flow in any of the above mentioned options. 3

These together with other objects and advantages which will become subsequently apparent reside in the details of construction and operation as more fully hereinafter described and claimed, reference being bad to the accompanying drawings forming a part hereof, wherein like numerals refer to like parts throughout, and in which:

Figure l is a perspective view of a typical unit constructed in accordance with the invention.

Figure 2 is a sectional view of the unit in Figure 1.

Figure 3 is a cross-sectional view taken on the line 33 of Figure 2.

Figure 4 is an enlarged fragmentary sectional detail taken on the line 44 of Figure 3.

Figure 5 is a sectional view taken on the line 5-5 of Figure 2.

Figure 6 is an enlarged sectional detail taken on the line 6-6 of Figure 2.

Figure 7 is a diagrammatic view showing the wiring of the unit.

In the accompanying drawings there is a combined cooling and heating unit 10 with a casing 12 disposed on a substantial base 14. Casing 12 is approximately in the shape of a truncated cone with the larger diameter part upward and the smaller diameter part adjacent to base 14. A smaller diameter part of the casing 12 is held elevated from base 14 by means of spacers 16 located between the top surface of base 14 and a lateral flange 18 at the lower part of casing 12. Bolts 20 are passed through aligned apertures in base 14, flange 18 and the bore of each spacer 16 thereby holding casing 12 assembled with base 14 and spaced therefrom. Space 22 between flange 18 and base 14 is covered with a cylindrical screen 24 to screen the air as it enters casing 12 from the lower part thereof. Base 14 has a raised mounting bracket 26 on which electric motor 28 is bolted.

Motor 28 occupies the lower part of casing 12 and is concentric with the casing. Motor shaft 30 extends from "2,927,188 Patented Mar; 1;, :1960

the motor and is located on the longitudinal axis of casing 12. A special rotor 32 coupled with shaft 30 constitutes a. blower 34- adapted todrawair through the entrance or air inlet defined by space 22-and propel the air upwardly through casing 12 to thedischarge opening 36 at its upper end. The blower. is made of an upper and

lower webor spider

38 and 40" respectively with at least one of them rigidly secured to shaft 30. The

spider

38 and 40 each has a ring at its periphery to which smoothly curved vanes 42- are fastened. Each vane has flat inner andouter edges and is longitudinally curved at one end, and. longitudinally curvedin the opposite direction at the opposite end. This is to provide av swirling movement of the air as it passes from the inlet 22 to the outlet or. discharge opening 36 in casing 12.

There is an outwardly curved rim 44' at the discharge end of. casing 12. This rim is. spaced from a circularly, smoothly curved in cross-section edge portion 46 of air diffuser 48. The air diffuser has a conical center part which penetrates casing12, and portion 46 is spaced from rim 36 an adjusted distance. The means for achieving the adjustment are seen best in Figure 4.

There are a plurality of bolts 50, each of which is passed through aligned openings in portion 46 and rim 44. A reinforcing plate 52 is attached to the partial spherical spaced

walls

54 and 56 which are secured to the top part of diffuser 48. Plate 52 is for reinforcing. The bolts each have nuts 58 thereon, and each has a spring 60 located between portion 46 and rim 44. Therefore, the diffuser may be moved down or up with respect to casing 12 thereby adjusting the effective size of the discharge opening 36.

Wall 56 cooperates with the inner surface of diifuser 48 to enclose a chamber 62 within which there is a heating element or heater 64. The heater is preferably electrically energized. Since chamber 62 is a heat chambet, the space between

walls

54 and 56 has insulation 66 therein.

The electrical circuit for the unit is simplified. Although not shown, the unit may be thermostatically controlled by using a conventional thermostat connected in the circuit in the manner very well known in this art. The illustrated circuit has a lead wire 70 adapted to connect with a source of electrical potential. When an AC. source is used, one side of the line has switch 72 therein and is connected with motor 28. The other side of the line extends directly to the motor whereby the switch 72 exercises a control function over motor 28. The heater 64 has a line cord 74 connected with it, for instance by a conventional male and female plug and socket. The opposite end of the line cord is connected in a socket 76 carried by base 12 adjacent to switch 72 that is also carried by the base 12.

Conductors

78 and 80 are attached to one side of line 70 and the opposite side of line 70 between switch 72 and motor 28. Therefore, the circuitry provides the option of using the heater alone, by simply plugging line cord 70 directly into the source; the heater and motor with switch 72 exercising a control function over both; and the motor 28 which operates blower 34, alone, by merely unplugging the electric heater 64.

In addition to the adjustment of discharge opening 36, the diffuser 48 together with the heater 64 and chamber 62, may be separated completely from casing 12 so that the blower will provide an air blast upward toward the ceiling in order to circulate air in the manner of a hassock fan.

The foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those t 3 skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the invention as claimed.

What is claimed as new is as follows:

1. A unit for the conditioning of'air, said unit comprising a casing, a blower mounted in said casing, said casing having a base at its lower end, said casing and base spaced from each other to provide an air inlet for the blower, said casing having an air discharge opening at its upper end through which the air propelled by the blower is adapted to pass, means for adjusting said air discharge outlet, said adjusting means including an air difiuser having a marginal portion, resilient means connected with said air difiuser and said casing and adapted to yieldingly hold said portions spaced from said casing,

and means connected to said diffuser for displacing said v diffuser toward said casing and thereby altering the spacing between said portion and said casing, an upper wall on said air diffuser, said air diffuser having a lower wall spaced from said upper wall and cooperating with said upper wall to constitute a chamber, a heater located in said chamber.

2. The unit of claim 1 wherein said heater and diffuser are separable from said casing so that the air delivered by said blower may pass directly through the upper end of said casing.

3. A unit for the conditioning of air, said unit comprising a casing having a lower open air inlet end and an upper open end, a blower mounted in said casing for blowing air upwardly out of said upper end, a downwardly tapering hollow air diffuser depending into said upper end of the casing and forming a closed chamber having an electric heater therein for heating air difiused by said diffuser, and manipulative means operatively connected to said casing and difiuser for variably spacing said difiuser toward and from said open upper end of the casing to provide with said open upper end a discharge outlet for the heated air of variable size.

References Cited in the file of this patent I 4 STATES PATENTS