US741419A - Cooling attachment for internal-combustion engines. - Google Patents

Description

` PATENTED OOT. 13, 190s. I. W. SUTTON. OOOLING -ATTNOHMENT EOE INTERNAL OOMBUSTION ENGINES.

APPLICATION FILED NOV. 22, 1902.

l No MODEL.

' tutti) STATES Patented October 13, 1903.

.artnr prima,

JOHN YV. SUTTON, OF NEW YORK, N. Y.

SPECIFICATION forming part of VLetters Patent No. 741,419, dated October 13, 1903.

Application led November 22,1902. Serial No. 132,360. (No model.)

To a/ZZ wwnt t may concern:

Beit known that I, JOHN W. SUTTON, acitizen of the United States, residing in New York, borough of Brooklyn and State of New York, have invented certain new and useful Improvements in Cooling Attachments for Internal-Combustion Engines, of which the following is a specification.

This invention relates to certain improvements in cooling attachments for internalcoinbustion engines of that class which are employed in motor-cycles', automobiles, and similar vehicles, the cooling attachment being so arranged as to supply a continuous current of atmospheric air to the interior of the piston and cylinder and to the exterior surface of the cylinder, so as to exert an ef- .fective cooling action on the heated parts Without carrying along any particles ot' lubrieating-oil supplied to the moving parts by which the heat-radiating ribs are clogged and a disagreeable smell caused by the heating of the oil, and for this purpose the invention consists of an internal-combustion engine, the crank-case of which is provided with openings, a fan rotated iu connection with the crank-shaft of the motor, a channel connecting said fan-casing With a hood extending around the head and exterior portion of the cylinder, and an auxiliary channel for conducting an air-current to the interior of the piston and cylinder, so that continuous currents of air are supplied to the interior and exterior surfaces of the cylinder.

The invention consists further in diametrical delecting-plates on` the connecting-rod of the piston below the wrist-pin of the same or attached to the inside of the piston on each side of the connecting-rod, said deiecting-plates being arranged at right angles to the direction ot the current, so as to'detlect the current into the piston and cylinder and then through the crank-case to the atmosphere.

The invention consists further of certain details of construction and combinations of parts, which will be fully described hereinafter and finally pointed out in the claims.

In the accompanying drawings, Figure 1 represents a side elevation of an internalcombustion motor with my improved cooling attachment. Fig. 2 is a plan View of Fig. 1.

Fig. 3 is a side elevation, partly in vertical section, of a modified form ot cooling attachment. Fig. 4 is a detail side view of the cylinder, showing the detlectorplates on the connecting-rod of the piston; and Fig. 5 is a detail side view of the cylinder, showing the detlector-plates attached to the interior ofthe piston.

Similar letters of reference indicate corre-A spending parts. Referring to the drawings, A represents the crank-case of an internal-combustion engine of that type which is used for motor-cycles, automobiles, and similar vehicles. The lower part of the crank-case is made cylindrical, While the upper part is made tapering toward the cylinder. The cylinder and the head of the combustion-chamber is provided on its exterior surface with heat radiating ribs, plates, or tins that serve to dissipate the heat of combustion,said heat-radiating devices being inclosed by a hood H, which is connected at the upper end by a tubular channel C with the casing F of a fan F, said fan receiving rotary motion from the ily-wheel F2 of the motor by a suitable belt-and -pulleyftransmission, as shown clearly in Figs. l and The crank-shaft is supported in suitable bearings of the crank-case and connected by a connecting-rod with the transverse Wrist-pin at the interior of the hollow piston D. The crankcase is provided with openings M at diametrically opposite points at the point of connection of the crank-case with the cylinder and alongside of one of the openings with a delector E, so that theV air that is forced down in the hood H over the heat-dissipating ribs, plates, or fins is conducted to the interior of the cylinder and piston and out to the opposite side of the cylinder by arranging on the connecting rod or piston at opposite sides of the same deiiecting-plates g g,which are made of light sheet metal, said deflecting-plates deilecting the current of airiirst in upward direction to the interior of the cylinder and piston and then in downward direction tothe outlet-opening M of the crank-case to the atmosphere.

In place of arranging the outlet-opening at the Lipper part of the crank-case the same may be arranged at the central part of the same concentrically to the crank-shaft, as

IOO

shown in Fig. 3, in which case an auxiliary or branch channel C is arranged that connects the main channel C With the opening M at the base of the cylinder, so that the second air-current is conducted along the deiiectingplates of the connecting rod orpiston around the interior of the piston and to the opposite side of the same into the crank-case and out through the central opening N of the same. The deiiecting-plates g, arranged at opposite sides of the connecting-rod, are made as Wide as permitted by the available space at the interior of the cylinder, so as to move With the connecting-rod Without interfering with the interior of the crank-case and cylinder during the np-and-down motion of the rod. The deflecting-plates may also be attached to the interior of the piston, one on each side of the connecting-rod, so as to permit the same to pass between the plates Without interference. Fitting the plates on the piston offers the advantage of not closing the openings at halfstroke of the crank.

The constructions shown in the drawings have the advantage that a continuous current of air is supplied to the exterior of the cylinder and a separate air-current to the interior of the piston and cylinder, so as to produce the effective cooling of the cylinder at its exterior and interiorsurfaces and the cooling of the piston at its interior surface Without carrying along any of the particles of lubricating-oil that are supplied to the moving parts and sometimes splashed around the interior of the crank-case and which when entrained in the air-currents settle on the dissipating ribs, plates, or tins and produce by the drying or oxidation of the same by the heated surfaces a disagreeable smell. This is entirely prevented by the air-currents deflected by the plates on the connecting-rod, while a very effective cooling action on the exterior and interior heated parts is produced.

Having thus described my invention, I claim as new and desire to secure by Letters Patentl. The combination, with a crank-case, cylinder and piston of an internal-combustion engine, of means for supplying a current of air to the interior and exterior of the cylinder 5o and head for cooling the same, inlet-openings in the crank-case for the current of air, and detlecting-plates on the connecting-rod for detiecting the current of air to the interior of the piston for cooling the same, substantially as set forth.

2. The combination, with the crank-case,

lcylinder and piston of an internal-combustion engine, of a hood surrounding the cylinder and head of the combustion-chamber, a Ventilating-fan rotated by the fly-Wheel of the engine, a fau-case, a channel connecting the fan-case with the upper end of the hood, means for supplying an air-current to the interior-of the cylinder and piston, and defiecting plates or fins attached to the connectingrod and adapted to deflect the interior aircurrent over the interior surface of the cylinder and piston to an outlet-opening in the crank-case, substantially as set forth.

3. The combination, with the crank-case, cylinder and piston of an' internal-combustion engine, of a {1y-Wheel on the crank-shaft of said engine, a fan operated by said iiy- Wheel, a hood surrounding the cylinder and head of the combustion-chamber, a channel connecting the fan-case with said hood, heatradiating devices on the exterior surfaces of the cylinder and head, deiecting plates or ns attached to the connecting-rod of the piston at rightangles to the air-current delivered into the interior of the cylinder, means forconducting an air-current through an open-

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