|Publication number||US646406 A|
|Publication date||Apr 3, 1900|
|Filing date||May 17, 1899|
|Priority date||May 17, 1899|
|Publication number||US 646406 A, US 646406A, US-A-646406, US646406 A, US646406A|
|Inventors||Charles A Anderson, Erick A Erickson, John Wickstrom|
|Original Assignee||Charles A Anderson, Erick A Erickson, John Wickstrom|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (22), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
No. 646,406. vPatented Apr. 3, |900.
c. A. Annenson, E. A. EmcKsoN 0 J. wlcxsmom.`
HUT AIR- FAN MOTUR. (Application led May 17, 1899.)
2 Sheeis-Slieet l.
M M/Mm 1% No. 646,406. Patented Apr. 3, |900.. C. A. ANDERSON, E. A. ERICKSON &. J. WIGKSTROM. HOT AIR FAN MOTOR.
(Application led May 17. 1899.) (No Model.) 2 Shets-Sheet 2.
EG@ o Uw IIIIIIIIHIIII `IQIIIIIIIIIIIIII ERIOK A. ERICKSON, AND JOHN VVICKSTROM,
CHARLES A. ANDERSON,
' OF CHICAGO, ILLINOIS.
HOT-AIRFAN-MOTOR. l fi SPECIFICATION forming part of Letters Patent No. 646,406, dated April 3, 1900. Application tiled May 171899. Serial No. 717,231. (No model.)
To all whom it may concern.- 1 tially in section. Fig. 5 is a View of heatingof the arrow. Fig. /iis a side elevation, par- X is a vent on top of casing K.
Be it known that we, CHARLES A. ANDER- chamber, partially in section. SON, ERIOK A. ERICKSON, and JOHN WICK- Similarlettersrefer to similar parts through- 55 STROM, citizens of the United States, residout the several views, in which- 5 ing in Chicago, county of Cook, State of Illi- A is the power and cooling cylinder, pronois, have invented certain new and useful vided with annular projecting iianges a. Improvements in Hot-Air Fan Motors, of B is the supporting-frame for the various which the following is a specification. parts of the mechanism. 6o
This invention relates to an apparatus hav! E is the power-piston, located in the powerro ing means to heat and to cool air or any other cylinder A.
expansive and contractive substance, said F is a fork secured to the power-piston E heating and cooling being performed alterby means of bolts. G is a hollow guide exnately, thereby increasing and decreasing its tending from said fork F and sliding through 6;, M volume and pressure in a Working cylinder, an opening g in frame B. I is a bifurcated I 5 said cylinder having a transfer and a power transverse extension secured to said guide G. piston connected to the crank on a drive- P is a pitman pivotally connected at one shaft for the purpose of displacing said air of its ends to bifurcated extension I and at or substance and of utilizing the power thus its other end to a crank C on drive-shaft O. 7o developed by the expansion and contraction Pitman P has an extension J, to which a link zo of saidair or substance within the cylinder. L is pivotally connected at one of its ends The objects of our invention are' to provide and at its other end to a transverse eXtena device that will convert as much heat as sion or collar o', secured on rod R, said rod possible into mechanical power, said device extending and sliding with one of its ends 75 to have a simple, inexpensive, and accuthrough the hollow guide Gand with its other 25 lately-operating mechanism for the purpose end extending through and sliding in an of moving the transfer and the power pistons, openingein piston E. On said rodR isrigidly to apply the heat to said motor or device by secured a hollow transfer-piston T, above the means of a burner located above the power power-piston E, said transfer-piston T being 8o and cooling cylinder and having a fansomewhat smaller and extending partially 3o blower journaled below said power and coolinto power and cooling cylinder A and paring cylinder, and to provide means to rotate tially into heating-chamber D, secured to the said fan-blower from the motor. Our printop of powerv or cooling cylinder A. cipal object in locating the burner above the The heating-chamber D is provided on its 85 cylinder'and of journaling the fan-blower inner surface with spiral grooves CZ and on 3 5 below is to keep the burner or source of heat its outer surface with longitudinal and transi\ as far away from fan-blower as possible, and verse grooves d. The heating-chamber D is most important of all to permit theproducts surrounded with a casing K. A ring-formed of combustion and what heat there may be burner M is interposed between the heating- 9o to ascend upward and to not intermingle chamber D and casing K. Said burner M is 4o with the air-current produced by the rotating held in place by means of extensions M, proof the fan-blower; furthermore, to cause the jecting from burner M and secured on the flow of air to partially pass over the power walls of casing K. Burner M is provided and cooling cylinder, thus aiding to mainwith a gas-inlet N, an air-inlet n, and a tube 95 tain it at a comparatively-low temperature. n' to convey the gas and air to the circular 45 We attain these results by the mechanism cavity m in burner M. From cavity fm is and the arrangements shown in accompanypassage M2 to convey gas and air to top of ing drawings, in whichburner M. The casing K is provided in its Figure l is a vertical section of the entire lower end with openings 7a and in its upper loo machine. Fig. 2 is -a section on line 2 2 end with a non-conductive lining U. 5o looking in the direction of the arrow. Fig. u is a passage or space between lining U 3 is a'section on line 3 3 looking in direction and heating-chamber D.
The burner M is of a somewhat-larger inside diameter than the outside of heatingchamber D and of smaller outside diameter than the inside of casing K, thus leaving passages for air, 7o' 7c", on the sides of burner M.
On drive-shaft O is secured a driving-wheel H, engaging the friction-pulley h, secured to oue end of shaft S. A dish-fan or fan-blower Z is secured to the other end of shaft S. Shaft S is journaled in a bracket s, secured to frame B by means of adjusting-screw s. Cylinder A and frame B are provided with dish-shaped extensions w tu', resting on and held in place against similar-shaped extensions on bracket lV by means of thumb-screws c o.
The operation of the machine is as follows: By admitting gas under ordinary pressure through gas-inlet N it will draw a suitable amount of air with it through air-inlet n and through the tube n into the cavity m" of burner M, from whence it proceeds through passages m to top of burner M, where it is ignited, the fiarne burning in space u and the products of combustion passing oii into the atmosphere through vent X. The flame by heating the passage a and heating-chamber D will cause a current of ascending air, creating a draft through openings 7c, 7a', and 7a, thus aiding to supply suiiicient air for the complete combustion of the gas. Upon the heating-chamber D being suliiciently heated it will be seen that by having turned the drive-Wheel in the direction indicated by the arrow the link L will have caused the transfer-piston to assume position shown in Fig. l, thus having transferred the air between the power-piston and the lower end of transfer-piston to the upper part of heating-chamber D, the air in ils upward course passing through the spiral grooves d', thereby acquiring a rotary motion, and consequently by reason of the centrifugal force brought in close contact with the inner surface of heatingchainber D the air by reason of said contact becomes highly heated and increases in volumc and pressure, which acts on piston E and through the medium of fork F, hollow guide G, bifurcated extension I, pitinan P to crank C on drive-shaft .O, thereby imparting motion and momentum to drive-Wheel H, friction-pulley h, shaft S, and fan -blower Z. lVhen power-piston E has nearly completed its outstroke, the link L will cause transfer-piston T to begin its instroke in advance of power-piston E, thereby transferring the air from the hot portion of heater D to the cold space formed between the power-piston E and transfer-piston T. The air being cooled in its passage by coming in contact with the cold innersurface of cylinderA will decrease in volum e and form a partial vacuum in the cylinder A, thus causing the atmospheric pressure to drive the power-piston E to its inner or upper center. The power thus developed is acting on power-piston E and through the mechanism described above on the fan-blower Z, secured on shaft S. It will also be seen and understood that the whole machine can be made to swing on the extensions w 'tu' and secured by the lock or thumb screws o fu', thus causing the fan to blow the air-current in the direction that may be desired.
Having fully described our invention, what We claim as new, and desire to secure by Letters Patent, is-
1. In a hot-air fan-motor the combination of a power-cylinder, a heating-chamber, a power-piston in said power-cylinder, a transfer-piston extending partiallyinto said powercylinder and partiallyinto said heating-chamber, of spiral grooves on the inside of said heating-chamber substantially as described.
2. In a hot-air fan-motor the combination of a power-cylinder, a heating-chamber having on its inner side spiral grooves, and having on its outer side longitudinal and transverse grooves, substantially as described.
3. In a hot-air fan-motor the combination of a power-cylinder, a heating-chamber, a power-piston, and a transfer-piston, a fork secured at one of its ends to said power-piston and at its otherend having a hollow guide, a frame secured at one of its ends to said power-cylinder and at its other end forming a bearing for said hollow guide, a transverse extension secured to said hollow guide, a pitman pivoted at one of its ends to said extension, and at its other end to a crank on driveshaft, an extension'on said pitman, a link pivoted to said extension with one of its ends and at its other end'pivotally connected to a rod extending into and sliding in said hollow guide, and with its other end extending through and sliding in an opening in said power-piston substantially as described.
4. In a hot-air fan-motor having a powercylinder, a heating-chamber, a power-piston in said power-cylinder, a transfer-piston extending into said power-cylinder and into said heating-chamber, an extension secured at one of its ends to said power-piston and at its other end forming a hollow guide, a frame secured with one of its ends to the power-cyl inder, and having in its other end a bearing for said guide, a transverse extension secured to said hollow guide, a pitman pivotally connected with one of its ends to said transverse extension and at its other end to a crank on a drive-shaft, a rod sliding in said hollow guide with one of its ends, and with its other end extendingthrough and sliding in an opening in said power-piston, a link connected at one of its ends to said pitman,and at its other end to a transverse extension on said rod, substantially as described.
CHAS. A. ANDERSON. ERICK A. ERICKSON. JOHN WIOKSTROM. Witnesses:
WM. W. NUGENT, LAJ). R. GHAPEK.
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