magnetic reciprocating and rotary engine pdf Wednesday, March 24, 2021 11:41:36 PM

Magnetic Reciprocating And Rotary Engine Pdf

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Published: 25.03.2021

The present invention relates to electro-magnetic engines and more particularly, but not by way of limitation, to an electro-magnetic reciprocating engine whereby the reciprocating pistons of said engines are permanent magnets and whereby controlled electro-magnets are provided to effect reciprocation of said pistons. Several attempts have been made to utilize permanent magnet pistons in connection with an electro-magnetic coil to provide reciprocal motion of the pistons to drive an engine. One such device is taught in the patent to Morch, U.

In such electric vehicles, an electric motor is used as a power source. A conventional electric motor directly rotates a rotor by electromagnetic force and extracts the rotational energy of the rotor as power:.

Reciprocating engine

In such electric vehicles, an electric motor is used as a power source. A conventional electric motor directly rotates a rotor by electromagnetic force and extracts the rotational energy of the rotor as power:. In addition, power is transmitted from the power source to the wheels. It is necessary to design the power transmission mechanism to be transmitted according to the characteristics of the electric motor, and it is necessary to convert the power transmission system for internal combustion type biston engines, which are generally used in conventional vehicles, directly to electric vehicles.

The burden on the design of electric vehicles. In addition, the internal combustion piston engine inevitably generates a considerable amount of heat. Cooling mechanism is required It is also a problem that the weight of the body becomes considerable. The piston is moved in the opposite direction to generate a magnetic repulsive force, and then the piston is moved in the opposite direction.

It is configured to move in one direction and then generate a magnetic repulsion to move the piston in the opposite direction and repeat this to obtain a reciprocating motion of the piston:. By repeating this, the reciprocating motion of the histon is obtained. In addition, the electromagnetic biston engine according to the present invention comprises a combination of the cylinder and the biston in each of the above embodiments as one assembly, and arranging a plurality of the assemblies to operate in parallel, thereby reciprocating the bistons of each assembly.

The crank mechanism is configured to convert to a single crankshaft rotational movement: Brief description of the drawings. In FIG. Cylinder 2 and outer cylinder 3 have closed tops. The cylinder 2 is housed inside the outer cylinder 3 so that the coupling section 4 comes into contact with the inner wall at the top of the outer cylinder 3.

It is fixed to the top with mounting screws An exciting coil 5 is wound around the connecting portion 4. Two electrodes 6 are attached to the outer side of the top of the outer cylinder 3, and these two electrodes 6 penetrate the inner wall side of the outer cylinder 3 and are connected to the conductors at both ends of the exciting coil 5, respectively.

Excitation coil 5 can be excited through. The conductors at both ends of the coil 8 are connected to copper plate electrodes 12 embedded in the outer wall side of the biston so as to extend in the axial direction, respectively.

Biston 1 is supported inside the cylinder 2 by bearings 15 so that it can smoothly reciprocate vertically move in the cylinder axis direction. The bearings 5 are arranged at two upper and lower positions along the circumferential direction of the inner wall of the cylinder 2 that is, the outer wall of the piston so that the piston 1 and the cylinder 2 are not magnetically coupled.

Manufactured from ceramic. A so-called roller may be used in place of the bearing a brush electrode 14 hereinafter simply referred to as a brush penetrates from the outer wall side to the inner wall side in the cylinder 2, and the tip of the brush 14 Is in sliding contact with the copper plate electrode The other end of the brush 14 further penetrates the outer cylinder 3 so that current can flow from outside: 4 may be made of carbon, or the tip may be a so-called mouth to reduce abrasion due to sliding.

A variety of contact mechanisms can be employed, such as attaching a ring electrode that makes one rotation in the circumferential direction of the crankshaft to the crankshaft side and providing a sliding contact mechanism provided with a brush that slides on the ring electrode.

As will be described later, the piston 1 reciprocates in the cylinder 2. Power can be supplied by supplying current through a brush 14 that slides on the copper plate electrode 12, whereby the entire piston 1 is magnetized to the S pole by the magnetic force of the permanent magnet 7 and the booster coil 8 c. Excitation of the exciting coil 5 is performed as follows: During the period in which the piston 1 moves from the top dead center to the bottom dead center in the direction from top to bottom in the figure , the cylinder 2 has the S pole, While the outer cylinder 3 flows a current in the direction magnetized to the N pole, during the period from the bottom dead center to the top dead center direction from bottom to top in the figure , the cylinder 2 has the N pole and the outer cylinder.

This excitation current is periodically repeated. The S pole of the cylinder and the N pole of the cylinder 2 attract each other, and the piston 1 rises toward the top dead center due to the suction force. When the piston 1 reaches the top dead center, the exciting current of the exciting coil 5 is reversed. This causes the cylinder 2 to be magnetized to the south pole, so that the south pole of the piston 1 and the south pole of the cylinder 2 repel each other this time.

Histon 1 is pushed downward by the repulsive force and descends toward the bottom dead center. When the bottom dead center is reached, the exciting current of the exciting coil 5 is reversed again. This causes the piston 1 to reciprocate in the cylinder 2, and this reciprocation is converted to rotational motion of the crankshaft 11 via the cond 1 :. In this experiment, a nail with a diameter of 3 mm and a length of 65 mm was used as the iron core.

A coil having a predetermined thickness is wound a predetermined number of times, a current is applied to the coil using a DC voltage of 10 V , and the magnitude of the current is adjusted using a variable resistor or the like. It was examined how much magnetic force could be obtained. In the figure, the cross-sectional area mm 2 , the number of turns, the flowing current value A , and the obtained magnetic force g are shown corresponding to various thicknesses mm of the exciting coil 5.

Since a large magnetic force ie, driving force can be obtained with current ie, low power consumption , it is very advantageous from the viewpoint of energy saving. Since the rotor is rotated using the magnetic force between the rotor and the stator acting in the circumferential direction, the method of using the magnetic force was not always efficient, but the electromagnetic piston of the present invention was used. In the engine, the magnetic force in the axial direction of the magnet, where the magnetic force of the electromagnet is the strongest, is used as it is for the reciprocating movement of the biston 1, so the efficiency of using the magnetic force is very high.

The distal end may be closed, or the piston may be shaped like a truncated cone as shown in the cross-sectional view in Fig. The inside may be hollow. Accordingly, the cylinder may have a hollow inside. By appropriately selecting such a shape, it is possible to increase the magnetic force at the desired location. In addition, the piston was made hollow to reduce the weight, but iron or silicon without internal cavities was used.

It could also be a block of steel: in this case, the biston itself could have the effect of a "flywheel" mounted on the crankshaft of a typical internal combustion piston engine:. However, this is not always necessary.

When the cylinder 2 is magnetized to one magnetic pole, the other magnetic pole can be formed with the exciting coil 5 interposed therebetween. The shape is not limited as long as the amount of magnetic material is small. However, the piston is fixedly fixed to one pole only by the permanent magnet or only the electromagnet.

It may be magnetized to:. However, the present invention is not limited to this. As shown in FIG. Attach 6—. The coils 25 of each salient pole are connected in series with each other and have the same winding direction: Therefore, when an exciting current is applied to these coils 24, the tip side of the salient pole 24 that is, the outer pole 2 The inner side of 3 is all S pole, and the base end of salient pole 24 ie the outer side of outer pole 23 is all N pole.

This inner pole has a large number of salient poles 27 protruding outward. A coil 28 is wound around each salient pole 27 in the same direction, and the coils 28 are connected in series with each other. Both ends of the coil 28 connected in series are connected to each other.

The booster coil 8 is connected to conductors at both ends. Then, a DC current is induced in the coil 28 of the inner pole 26 by electromagnetic induction from the outer pole 23 to the inner pole 26, and this flows into the booster coil 8, whereby the magnetic force of the permanent magnet 7 is strengthened.

In the above description, the coils wound around the salient poles 24 are in the same direction. The winding direction may be alternately reversed between adjacent salient poles. Since an alternating current is induced in the coil 28 of 6, the induced current is supplied to the booster coil 8 via a rectifier. Further, the present invention is not limited to the one using the cylinder and the piston in the form as in the above-described embodiment..

For example, as shown in FIG. A magnetic pole 31 is provided on the top side of the cylinder 30 and the exciting coil 32 is wound around the connecting portion Further, a disk-shaped permanent magnet 33 is used as a piston, The lower side of the magnet 3 3 is pivotally supported on a connecting rod via a connecting rod 34, and a booster coil 35 for strengthening magnetic force is wound around the connecting rod 34, and power is supplied to the booster coil 35 using a copper plate electrode 3.

The opposing surfaces of the inner wall of the cylinder top and the tip of the piston may be flat with each other as shown in FIG. However, the shape may be concave toward the center of the surface, or one may be convex and the other concave, as shown in Fig. Is not limited to this. A combination of a permanent magnet and a booster coil is arranged on the cylinder side, fixedly magnetized to one polarity, and an excitation coil is arranged on the By reversing the current, a repulsive force and a suction force act on the biston to obtain the reciprocating motion.

The combination of permanent magnet and booster coil on the cylinder side can be changed to permanent magnet only or only electromagnet. If both cylinder and biston sides are only electromagnet, the combination between the piston and cylinder The excitation coil of each electromagnet can be controlled in various ways so that the repulsive force and the attractive force act alternately.

For convenience, the combination of the above-mentioned one cylinder and one piston is shown in FIG. This embodiment will be referred to as an assembly: This embodiment is a six-assembly electromagnetic piston engine. As shown, six assemblies are arranged in series, and the outer cylinder 3 of each assembly is magnetized. Also, between the first and third assemblies and between the third and fifth assemblies Make sure that the phase difference of the crank angle is 1 2 0-The crank shaft 40 is rotatably supported on the engine body by bearings 4 1.

Supply to The frequency of this three-phase AC output can be changed freely. DC current is supplied from the battery 43 to the booster coils 8 of the first to sixth assemblies via the brush This DC current flows in the direction where the tip of biston 1 becomes the S pole.

As shown, the three-phase AC R and S phases are connected to the exciting coils 5 of the first and second assemblies in opposite phases, and the three-phase AC exciting coils 5 are connected to the exciting coils 5 of the third and fourth assemblies. Also, FIG. The relationship is shown-When connected as described above, in each assembly, the excitation coil 5 has a maximum at the center of the piston's forward and backward movement, and the direction of the excitation current at the piston's top dead center or bottom dead center.

In the first and second assemblies, the suction force and the repulsion force during application near the beak value act respectively, and in the third and fourth assemblies, the suction force and the repulsion force decreasing near the beak value act respectively, and the fifth and 6In the assembly, the repulsive force and the suction force start to work from near 0 each.

In this way, the relationship between suction and repulsion shifts the first to sixth assemblies sequentially according to the crank angle. As a result, the cycle of the reciprocating movement of the piston of each assembly is synchronized with the frequency of the three-phase alternating current in a manner similar to the principle of the synchronous motor.

If the AC frequency is variably controlled, the rotational speed of the electromagnetic biston engine can be variably controlled accordingly. The piston positions of the two cylinders may be the same with respect to the angle: For example, as shown in Fig.

Set the same for Each exciting coil 5 of the first to sixth assemblies is excited according to this crank angle:. The polarity of the excitation current of coil 5 is indicated: This embodiment is a method without using three-phase alternating current to supply power to excitation coil 5, with the same height of the bistons of the first, third and fifth assemblies.

That is, the crank angles are the same , the pistons of the second, fourth, and sixth assemblies are at the same height, and the screws of the first, third, and fifth assemblies and the second, fourth, and sixth assemblies are set. The tone position is reversed phase-6 ring-shaped electrodes 51 to 56 are attached to the crankshaft. Electrodes 5 to 5 4 Is an unsplit ring. Electrodes 55, 56 are diametrically split two-split rings: split rings 55, 56 are both split at the same crank angle position, and split pieces 5 Rings 5 1 to 5 4 are divided into brushes electrodes 6 1 to 6 4, respectively.

Also, the two-part ring 55 should be in sliding contact with the brushes 65, 67 on the diameter line, and the two-part ring 56 should be in sliding contact with the brush electrodes 66, 68 on the diameter line, respectively.

WO1997023728A1 - Electromagnetic piston engine - Google Patents

Application filed April 3, Serial No. No model. VAN DE- POELE, a citizen of the United States, residing at Lynn, in the county of Essex and State of Massachusetts, have invented certain new and useful Improvements in Reciprocating Electric Engines, of which the following is a description, reference being had to the accompanying drawings, and to the letters of reference marked thereon. My invention relates to improvements in electro-magnetic reciprocating engines, and comprises improvements in the structure thereof whereby they are better adapted to meet the various conditions. The present invention relates, principally, to means whereby the forward or backward stroke may be caused to preponderate in force, and to means whereby the plunger or magnetic piston may be always properly pothe working-coils when at rest. The invention also comprises other details of construction and arrangement, as will be fully set forth in the following description,-.

Hanchock, Detroit, Mich. Application July 16,, Serial No. This invention relates to a new and useful improvement in reciprocating electro-magnetic motors. One of the objects of this invention is to provide a pair of magnets having opposite polarity vand another magnet reciprocating within each of the Kiirst-named magnets with appropriate switching means to reverse the polarityof the inner magnet so as to cause areciprocation of the inner magnet. Another object of the invention is to provide a switch which will reverse the direction of ilow of electricity through ai reciprocating magnet upon. Still another object of the invention is to provide an appropriate system ofelectrical wiring to accomplish the objects set forth above.

Effective date : An electromagnetic engine including a plurality of pistons and a plurality of corresponding electromagnets. The pistons are each connected to a crankshaft and fabricated of a ferrous material. The electromagnets are spaced from the pistons in alignment therewith. An electrical power source is provided to power the electromagnets, and a control assembly is provided to control the sequence of energizing the electromagnets, so that by energizing the electromagnets, the pistons will be pulled toward the electromagnets in response to a timely applied electromagnetic field. The force imparted on the piston is transmitted by the rod to the crankshaft, which provides power via an output shaft for desired uses. Provisional Application Ser.

US4317058A - Electro-magnetic reciprocating engine - Google Patents

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A reciprocating electric motor is a motor in which the armature moves back and forth rather than circularly. Early electric motors were sometimes of the reciprocating type, such as those made by Daniel Davis in the s. Daniel Davis [5] was an early maker of reciprocating electric motors. As can be seen in these examples, early motors of this type often followed the general layout of the steam engines of the day, simply replacing the piston-and-cylinder with an electromagnetic solenoid.

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