US1447029A - Heater - Google Patents

Description

Feb. 27, 1923.

C. S. MANCHESTER HEATER Filed Sept. 7, 1922 A TTORNE Y.

Patented Feb. 27, 1923.

PATENT OFFICE.

CLIFFORD S. MANCHESTER, 0! OCEAN PARK, CALIFORNIA.

HEATER.

Application filed September 7, 1922. Serial No. 586,608.

To all whom it may 00mm:

Be it known that I, CLIFFORD S. MAIN- CHESTER, a subject of Canada, residing at Ocean Park, in the county of Los Angeles, State of California, have invented new and useful Improvements in Heaters, of which the following is a' specification.

My invention relates primarily to a heater for use in citrus orchards, and the object thereof is to provide a heater which is simple in construction and which will store and hold a charge of fuel, which when burned will burn slowly and will raise the temperature in the immediate vicinity of the heater sufficiently to prevent serious injury to the fruit on the tree near which the heater is set and will retain the temperature above the normal temperature of the air outside the influence of the heater for several hours. A further object is to provide a heater which when required for use in a citrus orchard can be quickly lighted.-

In the drawings forming a part of this application, Fig. 1 is a central vertical section of my heater as designed for use in a citrus orchard, the fuel being omitted. Fig. 2 is a section on the line 22 of Fig. 1.

Referring to the drawings my heater consists of a starting pan 5, which is shown as made from cast iron, but can be made of sheet metal pressed and stamped. The side walls 6 of the pan are preferably at an angle of forty-five degrees to the plane of the bottom of the pan. In the upper portion of walls 6 are draft ports 7 which are preferably equally spaced apart, and the sum of the areas of these ports is preferably equal to one fifth the area of the top plane of the outlet.

In the bot-tom of the pan is a shallow well or depression 8 for the reception of the starting fluid, not shown. Resting upon the top of the pan isthe fuel grate 9 whose bars are preferably radial. The grate is provided with an upstanding collar 10 which at one point slopes outwardly and forms a spout 11 which receives and guides the starting fluid into the well in the pan. Secured to collar 10 are the vertical walls 12 preferably of sheet metal which form the combustion chamber 13. The grate, collar and walls of the combustion chamber are preferably circular. Preferably at four equi-distant points and secured to the top of walls 12 are pockets 14 into which are recelved the legs 15 of the sheet metal deflector' 16 to hold the deflector spaced above walls 12. It will be observed by this construction that I direct the air entering the draft ports toward the center of the combustion chamber, thereby centralizing the flame from the starting fuel when the heater is lighted. This centralization of the flame of the starting fuel insures the ignition of the charge of fuel in the combustion chamber with a less amount of starting fuel than would be required if the flame were not so centralized.

Operation.

For ordinary use enough carbon briquettes or lump coal or other fuel is placed upon the grate to burn when lighted for three hours. The deflector would then be positioned and the heaters set, one at each tree to be protected. When the temperature of the orchard reaches what is known as the danger point the operatives take cans of coal oil or gasoline and pour the required %uantity into well 8 and light the same.

y the time the liquid is burned out of well 8 the fuel in the combustion chamber is lighted and continues to burn until consumed, thereby giving out suflicient heat to prevent serious damage to the fruit on the trees of an orchard equipped with my heaters.

Having described my inventi n, I claim- 1. A heater comprising a metal pan having draft ports in the side walls; a grate' having radial bars mounted upon the top of said pan; walls forming a combustion chamber mounted upon said grate; and a deflector mounted upon the walls of the combustion chamber and spaced therefrom.

2. heater comprising a metal pan having draft ports in the side walls, said walls being at an, angle of forty-five degrees to the plane of the bottom of the pan; a grate having radial bars mounted upon the top of said pan; walls forming a combustion chamber mounted upon said grate; and a conical demeezoee fiector mounted upon the combustion chamber walls and spaced therefrom.

3. A heater comprising a casing forming a combustion chamber; a grate in the 5 tom of said casingbot- , and a pan below said fgrate adapted .to hold a starting fuel, said pan having ports a dapted to cause the ceni tralization of the flame from the starting fuel in the central portion of the combustion chamber casing.

In witness that I claim the foregoing I have hereunto subscribed my name this 4th day of August, 1922.

CLIFFORD S. 'MANOHESTER.

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