Abstract:
A magnetic actuator (1) comprising a substrate (3), a membrane layer (5) directly or indirectly applied on a surface (3 a) of the substrate (5), in which the membrane layer consists of a matrix of elastic polymer material, in which nanoparticles of magnetic material, capable of undergoing a dynamic effect under the action of a magnetic field, are dispersed, and at least one magnetic field generator (11) suitable to generate a magnetic field acting on the membrane layer (5), in which the magnetic field generator (11) is directly or indirectly arranged on the surface of the substrate, or within the substrate.
Abstract:
A combined motor-battery system comprising an electric power source adapted to convert self-originating electrical current to mechanical power utilizing a set of common functional structures. Preferred embodiments include an electrochemical cell comprising field reactive electrodes that directly produce extractable mechanical forces in the presence of a magnetic field.
Abstract:
An electromagnet comprising a ferromagnetic yoke which comprises a yoke. Mutually opposing first and second pole pieces are provided. The first pole piece is provided with a planar coil having a first side facing the yoke and a second side facing the yoke. A balancing member is arranged on the second side of the planar coil to counterbalance the attractive force between the planar coil and the yoke. The other pole piece may also be provided with a corresponding balancing member.
Abstract:
The invention relates to an actuator, in particular a linear drive, and installation or machine. A first part of the actuator comprises at least one toroidal winding that can be energized and a second part of the actuator comprises at least one permanent magnet. The first and second parts are disposed such that they can be displaced in relation to each other.
Abstract:
A combined motor-battery system comprising an electric power source adapted to convert self-originating electrical current to mechanical power utilizing a set of common functional structures. Preferred embodiments include an electrochemical cell comprising field reactive electrodes that directly produce extractable mechanical forces in the presence of a magnetic field.
Abstract:
A combined motor-battery system comprising an electric power source adapted to convert self-originating electrical current to mechanical power utilizing a set of common functional structures. Preferred embodiments include an electrochemical cell comprising field reactive electrodes that directly produce extractable mechanical forces in the presence of a magnetic field.
Abstract:
This invention relates to the field of electrical engineering, more specifically to electrodynamic actuators. Electrodynamic actuator, in which an electric energy is transformed into linea movement of a actuator pusher, comprising an electric coil and a current-conducting armature made of non-ferromagnetic material at least in that part of it which is penetrate by the magnetic field of the coil, interacting with the coil, when it is connected to switch-mode electric power supply comprising a capacitor to which a switching device with a control unit is connected, also the actuator comprises N coils, where N≥1, and current-conducting armatures, where K≥1, and the switching device is designed to allow partial discharge of the capacitor in a periodic discharge mode. The electrodynamic actuator in accordance with the present invention, due to it simplicity and efficiency, as well as to the selection and coordination of the parameters o the electric power supply with those of the structural elements of the actuator, enables high efficiency to be achieved, which in turn allows the desired mechanical force pulse to be created and the power consumption of the device to be reduced, as well as providing the desired speed and frequency of operation, device and the required functional precision.
Abstract:
An electrical contactor has a removable coil comprising a contactor housing including a cavity. A pair of fixed coil terminals are mounted to the contactor housing proximate the cavity. A removable coil is removably mountable in the cavity. A pair of coil terminal clips are mounted to the coil. The fixed coil terminals make electrical contact with the coil terminal clips when the removable coil is inserted in the cavity.
Abstract:
A low resistance conductor using superconductors, which is a conductor in the form of a plurality of super conductors held in usual transmission connection or a conductor consisting of a superconductor and a usual transmission conductor, characterized in that the apparent specific resistance of the conductor at the superconduction transition temperature or below is lower than the specific resistance of cupper at the superconduction transition temperature.