US3496917A - Internal combustion engine - Google Patents

Description

Feb. 24, 1970 J. J. MOYLAN 3,496,917

INTERNAL COMBUSTION ENGINE Filed Jan. 25, 1968 3 Sheets-Sheet 1 iii.

FIG. I

INVENTOR= JOHN J. MOYLAN IIIHIIH mum mum

Feb. 24, 1970 J. J. MOYLAN 3,496,917

INTERNALCOMBUSTION ENGINE Filed Jan. 25, 1968 3 Sheets-Sheet 2 a I: 3 4 H INVENTOR= JOHN J. MOYLAN J. J. MQYLAN INTERNAL COMBUSTION ENGINE Feb. 24, 1 970 3 Sheets-Sheet 3 Filed Jan. 25, 1968 1NVENTOR= JOHN J. MOYLAN United States Patent 3,496,917 INTERNAL COMBUSTION ENGINE John J. Moylan, Tularosa, N. Mex., assignor of one-half to Lenard Wiegert, Ashland, Nebr. Filed Jan. 25, 1968, Ser. No. 700,428 Int. Cl. F02b 57/00 US. Cl. 123-44 4 Claims ABSTRACT OF THE DISCLOSURE An engine having a rotor rotating in a hollow housing on an axle with pistons radially moving in the rotor toward and away from the axle, power transfer pin means carried by each piston and protruding from each side of each piston into approximately elliptical recesses in said housing, whereby when said pistons are driven toward said axle said elliptical recesses will guide said pins in a manner such that the force of said pins against radial pin receiving slots in said rotor will cause rotor and its drive shaft to rotate.

It is an objective to improve over prior art engines by providing an engine that will perform at high or low r.p.m. and which can have, within its principles, sufficient pistons to have a substantially continuous application of power to its drive shaft.

It is an object to provide an engine in which each piston fires once in each revolution and which will operate on a glow plug for ignition, and on low octane fuel when desired.

A further object is to provide a rotor which acts as a flywheel and is well balanced and in which the great mass of moving parts consists chiefly of those parts which provide this fly-wheel effect for giving a continuity of momentum with very little mass moving in any direction other than in harmony with the rotary motion of the main mass of the moving parts.

A main advantage is to provide an engine of few and simple parts mostly with cylindrical surfaces for providing an economy of production, a perfection of balance, and a long life for economy of operation.

Still another object is to provide an engine which can be easily opened for ready access for repairs.

In the drawings:

FIGURE 1 is a frontal elevation of the engine.

FIGURE 2. is an end view of the engine as seen from the right in FIGURE 1.

FIGURE 3 is a sectional view taken along the line 33 of FIGURE 2.

FIGURE 4 is a sectional view taken along the line 44 of FIGURE 1.

Referring to FIGURE 1, the engine is there generally indicated at and has a hollow housing 12, having a center block 20, best seen in FIGURE 2, the lower portion of which serves as a mounting, as seen at 22. The housing also has end plates 26 on each side of thecenter block and held thereon by bolts 30.

A drive shaft extends through a drive shaft opening 42 in each of the end plates 26 and, as best seen in FIGURE 3, extends also through a rotor 50 to which it is secured by a key 54.

The rotor 50 is received in a rotor cavity 52 in the housing 12. The rotor 50 rotates about an axis 58 through the drive shaft 40 and has an outer periphery 60, preferably of approximately cylindrical shape symmetrical about the axis 58.

The rotor 50 has two sides 70 and 72, best seen in FIGURE 4, each preferably dis-posed approximately in a plane normal to the axis 58, and spaced apart along said axis.

The rotor 50 has a plurality of radially extending piston 3,496,917 Patented Feb. 24, 1970 chambers therein and each opening upon the periphery of the rotor. A plurality of pistons with cylindrical side walls are disposed one in each of the cylindrical piston chambers 70 and have piston rings 92 mounted thereon.

Power transfer pin means carried by each piston 90 and having exterior portions protruding from each side of the piston in parallelism with the driveshaft 40, such exterior portions being cylindrical along their outer surfaces.

The end plates 26 of the housing have a pair of approximately elliptical recesses extending into them from the rotor chamber 52, the recesses being in alignment with each other, as viewed along the axis 58, Whereby the end plate 26, shown in FIGURE 5, looks exactly the same when viewed from its inner side 124 as does the other end plate 26.

The rotor 50 has radially extending slots 150, best seen in FIGURE 4, extending inwardly, each from a respective side of the rotor, and inwardly to the respective piston chamber 70.

The slots are also well in FIGURE 6, and are disposed one on each side of each piston 90, and slidably receive the respective exterior portions 110 of the power transfer pin means 100.

The exterior portions 110 of the pin means 100 are slidably received in the respective recesses 150 for moving therein toward and away from the axis 58.

The outer wall 250 of each recess 120 has two half portions 252 and 254, as best seen in FIGURE 5, each of which has a concave surface facing the concave surface of the other half portions 252 and 254.

The housing can have suitable ignition means as illustrated for example only by the sparkplug 300 and producing ignition heat at an ignition position 310 in the rotor chamber, the ignition position .310 being adjacent to a point where the two half portions 252 and 254 of the respective recesses 120 meet each other.

The rotor 50 rotates in the direction of the arrow 400 and the housing 12 has an intake port 420 for receiving therethrough a combustible fuel and air mixture from suitable carburetion means not shown in detail, except that the carburetor is indicated at 430, in FIGURE 1, with its air intake or air cleaner at 432.

The intake port 420 is disposed in a position preceding the lgnition position 310, as best seen in FIGURE 3, and an exhaust port 440 is provided between the ignition position 310 and the intake port 420.

The intake and exhaust ports 420 and 440 each open upon the rotor chamber 52, at points approximately opposite the narrowest and widest parts 500 and 502 of the elliptical recesses 120, the ignition position 310 being diametrically opposite the exhaust port 440.

The driveshaft 40 carries and rotates with the rotor 50.

In operation, as the piston moves toward the axis under fire, it will be traveling with a minimum resistance down a side portion of the elliptical recess 120, which defines an angle, with respect to a radii 700 extending from the ignition position end of the recess 120 to the axis of the engine, which angle is less than 45 with respect to the said radii 700 during the entire 90 power stroke for efliciency of power delivery, the pin 100 of the piston then passing by the opposite end 502 of the elliptical recess for exhaust, so that as the pin returns along the return sides of the recesses, it is experiencing no resistance from the piston which can freely move on a return stroke with the gases in a respective combustion chamber exhausted.

Side plates 500' are attached by bolts 510 to opposite sides of the rotor 50 and snugly receive shaft 40 therethrough with the plates 500 preventing movement of the 3 key 54 along the shaft 40. The plates 500 make dismantling simple and eflicient.

The engine has a standard cooling system.

I claim:

1. An engine having a hollow housing, a rotor cavity in said housing, a rotor in said cavity and having an axis and a periphery and two sides spaced apart along said axis, said rotor having a plurality of radially extending piston chambers therein and each piston chamber opening upon the periphery of said rotor, a plurality of pistons disposed one in each of said piston chambers, power transfer pin means carried by each piston and having exterior portions protruding from each side of said piston in parallelism with said drive shaft, said housing having a pair of approximately elliptical recesses extending into said housing from said rotor chamber, said recesses being in alignment as viewed along said axis, the outer periphery of all sides of said recesses being convex, said rotor having radially extending slots each extending inwardly from one of said sides to the respective piston chamber, said slots being disposed one on each side of each piston and slidably receiving the respective exterior portions of said pins therethrough, the said exterior portions of said pin means being received in said recesses respectively, the outer wall of each recess having two half portions each of which have a concave surface facing the concave surface of the other half portion, said housing having ignition means mounted therein and producing ignition heat in said rotor chamber at an ignition position which is adjacent to a point where said two half portions of each said recess meet, said rotor rotating in one direction, said housing having an intake port in a position preceding said ignition position and having an exhaust port between said ignition position and said intake port, said intake and exhaust ports opening upon said rotor chamber at points approximately opposite narrowest and widest parts of said elliptical recesses, and a drive shaft rotatably mounted in said housing and fixed to and carrying said rotor, and means supplying combustible fuel to said intake port.

2. The combination of claim 1 in which said housing has a center block disposed around said rotor and two end plates removably secured to opposite ends of said center block.

3. The combination of claim 1 in which said center block has mounting means attached thereto.

4. The combination of claim 1 in which said recesses are gradually curving on their outer periphery even at the ends of their elliptical configurations.

References Cited UNITED STATES PATENTS 1,157, 811 10/1915 Shannon.

FOREIGN PATENTS 123,920 7/1931 Austria. 1,320,499 1/1963 France.

C. J. HUSAR, Primary Examiner

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