Electrical generator or motor structure – Dynamoelectric – Reciprocating
Patent
1998-10-13
2000-04-11
Ramirez, Nestor
Electrical generator or motor structure
Dynamoelectric
Reciprocating
310 23, H02K 7075, H02K 3310
Patent
active
060491469
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to an electromagnetic piston engine adapted to produce driving power by the electromagnetic force created by a reciprocal movement of a piston in a cylinder.
BACKGROUND TECHNOLOGY
In the recent years, the development of electric vehicles is exploding. Such electric vehicles use an electric drive motor as a power source. Conventional electric drive motors are designed to pick up rotational energy of a rotor as a power by directly rotating the rotor by electromagnetic force.
The electric drive motors of such a type, however, lead naturally to an increase in the weight of a rotor in order to pick up greater outputs and, as a consequence, suffer from the disadvantages that the weight of the portion corresponding to a rotary assembly section becomes heavy. The such electric drive motors require a power transmission mechanism for transmitting the driving power from a power source to the wheels to be designed to be adapted to the features of the such electric drive motors. Power transmission mechanisms for internal combustion piston engines, which have been generally used for conventional vehicles, cannot always be applied to electric vehicles as they are. These problems impose greater burdens upon the designing of electric vehicles.
For internal combustion piston engines, there are a variety of resistance that result from their structures. They may include, for example, energy efficiency of the internal combustion piston engines. An overall system assembly of the internal combustion piston engine further has the additional problem with an increase in the entire weight due to the necessity of installment of a mechanism for cooling the internal combustion piston engine because the internal combustion piston engine cannot avoid the generation of a considerably large amount of heat by the principles of the engine themselves.
Given the foregoing problems inherent in conventional internal combustion piston engines, the present invention has the object to provide an electromagnetic piston engine which can offer the effects of eliminating the various resistances inherent in the conventional internal combustion piston engines, reducing the weight corresponding to a rotary assembly section even if greater outputs can be taken, further making ready applications to power transmission mechanisms for use with conventional internal combustion piston engines, and achieving improved efficiency in utilizing energy.
DISCLOSURE OF THE INVENTION
The electromagnetic piston engine according to the present invention in one aspect comprises a cylinder and a piston, each made of a magnetic material, a cylinder electromagnet having an inner wall of the cylinder magnetizable to a one magnetic pole, and a piston magnetization unit for magnetizing a portion of the piston engageable with the cylinder to a single magnetic pole in a fixed manner, in which the piston is transferred in a one direction by creating a magnetic attraction force between the cylinder and the piston by exciting the cylinder electromagnet; and the piston is then transferred in the opposite direction by creating a magnetic repellent force therebetween, followed by repeating this series of the actions of alternately creating the magnetic attraction force and the magnetic repellent force to allow the piston to perform a reciprocal movement.
The electromagnetic piston engine according to the present invention in another aspect comprises a cylinder and a piston, each made of a magnetic material, a piston electromagnet having a one magnetic pole on a portion of the piston engageable with the cylinder, and a cylinder magnetization unit for magnetizing an inner wall of the cylinder to a single magnetic pole in a fixed manner, in which the piston is transferred in a one direction by creating a magnetic attraction force between the cylinder and the piston by exciting the piston electromagnet; and the piston is then transferred in the opposite direction by creating a magnetically repellent force therebetween, followed by repeatin
REFERENCES:
patent: 3942913 (1976-03-01), Bokelman
patent: 4631455 (1986-12-01), Taishoff
Jones Judson H.
Ramirez Nestor
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