1080 results about "Power coupling" patented technology

The present invention provides a surface wave plasma source including an electromagnetic (EM) wave launcher comprising a slot antenna having a plurality of antenna slots configured to couple the EM energy from a first region above the slot antenna to a second region below the slot antenna, and a power coupling system is coupled to the EM wave launcher. A dielectric window is positioned in the second region and has a lower surface including the plasma surface. A slotted gate plate is arranged parallel with the slot antenna and is configured to be movable relative to the slot antenna between variable opacity positions including a first opaque position to prevent the EM energy from passing through the first arrangements of antenna slots, and a first transparent position to allow a full intensity of the EM energy to pass through the first arrangement of antenna slots.

A surface wave plasma source (SWPS) is disclosed, having an electromagnetic (EM) wave launcher including a slot antenna configured to couple EM energy in a desired EM wave mode to a plasma by generating a surface wave on a plasma surface of the SWPS adjacent the plasma. The SWPS also includes a dielectric window positioned below the slot antenna, having a lower surface and the plasma surface. The SWPS further includes an attenuation assembly disposed between the slot antenna and the plasma surface. The attenuation assembly includes a first fluid channel substantially aligned with a first arrangement of slots in the slot antenna, and is configured to receive a first flow of a first fluid at a first fluid temperature. The SWPS finally includes a power coupling system coupled to the EM wave launcher and configured to provide EM energy to the EM wave launcher for forming the plasma.

A recharging trailer for applying electrical energy to an electric vehicle has an electrical power coupling. The recharging trailer includes a trailer frame configured to be coupled to the electronic vehicle. An electrical generation unit is disposed on the trailer and is configured generate electrical power. The electrical generation unit is also configured to be electrically coupled to the electrical power coupling of the electric vehicle. A trailer propulsion unit is configured to propel the trailer while the electrical vehicle is moving so that the trailer moves without applying a substantial load to the electric vehicle.

A solid state (light emitting diode) lamp in numerous configurations have improved thermal management by providing a direct thermal pathway from the plurality of LED chips to the threaded screw base (standard 100˜240 VAC lamp socket), or power coupling. The control circuitry is disposed opposite the printed circuit board and LED chips with respect to the heat sink so that the heat sink is interposed between the printed circuit board and the control circuitry. The LED chips are powered using a high voltage/high current configuration. The light radiation pattern is infinitely adjustable (very wide through very narrow) via a system of easily interchangeable lenses. The solid state lamps can be mass produced rapidly at significantly lower cost with very high luminous intensity. ESD protection may be included to protect the LED chips from electrostatic discharge damage.

A pin-less power coupling arrangement comprising at least one pin-less power jack; the power jack comprising a primary coil shielded behind an insulating layer for inductive coupling to a pin-less power plug; said power plug comprising a secondary coil wherein said insulating layer is substantially flat and said power plug and said power jack may be aligned by an alignment means. Various such alignment means are discussed as are enabled surfaces for supporting inductive power jacks and inductive plugs coupled to various appliances.

Optical plasmon-wave attenuator and modulator structures for controlling the amount of coupling between an guided optical signal and a surface plasmon wave. Optical power coupled to the plasmon wave mode is dissipated in varying amounts producing an intensity modulation effect on the optical signal. For electrical modulation, an additional dielectric (or polymer) layer with variable refractive index in optical contact with a metal layer supporting at least one plasmon wave mode is used to perturb or vary the propagation constant of plasmon wave. Propagation constant variation results in the power coupling variation between the surface plasmon wave and the optical wave. The refractive index variation of the dielectric (or polymer) layer can be accomplished via an electro-optic traveling-wave, a lump-element, or any other integrated optics modulator configuration situated to affect the layer, thereby permitting data rates into tens of GHz. Because of the extremely small interaction lengths needed, the optical plasmon-wave modulator is a very compact device which can be implemented on the top of a fiber or as an integrated optical planar structure.

An inductive power transfer system (10) for roadways includes at least one drive unit arrangement (50) coupled to at least one drive coil arrangement (40) disposed along a roadway (20) for generating a magnetic field extending upwardly from the roadway (20), and at least one vehicle (30) including a corresponding pickup coil arrangement (60) coupled to a power conditioning circuit arrangement (80, 200) for receiving the extending magnetic field for providing power to operate the at least one vehicle (30). The at least one drive unit arrangement (50) is operable to excite, for example at resonance, the at least one drive coil arrangement (40) at a fundamental frequency (f₀) of at least 30 kHz, preferably at least 50 kHz, more preferably at least 100 kHz, and most preferably at least 140 kHz. The at least one drive coil arrangement (40) is implemented to be substantially devoid of ferromagnetic components for providing a path for the extending magnetic field. Optionally, the at least one drive unit arrangement (50) is operable to employ a balanced class-E amplifier arrangement for exciting the at least one drive coil arrangement (40) at the fundamental frequency (f₀). Optionally, the at least one drive unit arrangement (50) is operable to employ one or more Silicon Carbide semiconductor devices for switching the currents provided to the corresponding at least one drive coil arrangement (40). Optionally, there is further included a passive and/or active suppression arrangement (100, 110, 120, 130, 140) for suppressing harmonic magnetic field components generated by the system (10) at multiples of the fundamental frequency (f₀) when in operation.

An electrically isolated combined power and signal coupler is usable for a portable medical monitoring device attachable to a patient in a medical environment. A power coupling system transfers power between a power source and a powered device separated by a physical and electrical isolation barrier. The system comprises a power coupler including in a first device, a first section of a magnetic circuit including a first core section of magnetically permeable material of cross-sectional area substantially larger at an isolation barrier interface than within a first winding located on the first core section. The first section of magnetic circuit being suitable, in a docking mode, for positioning adjacent to a second section of magnetic circuit in a second device to form a completed magnetic circuit used to transfer power between said first and second device. The second section of magnetic circuit including a second core section with a second winding magnetically coupling with the first winding via the completed magnetic circuit in the docking mode for the power transfer. The first core section comprises at least one substantially planar core section at the isolation barrier interface for positioning adjacent to a corresponding substantially planar core section of said second section of magnetic circuit at the isolation barrier interface to form the completed magnetic circuit without a device containing the second section of magnetic circuit enveloping a significant portion of the substantially planar core section.

A plurality of optical communications systems including a SPW modulator are described. The communications systems include an optical transmitter coupled to an optical fiber communications link which carries a optically modulated information signal to an optical receiver. The laser transmitter includes a laser light source which is optically coupled to a SPW modulator which has been particularly adapted for broadband communications by selecting its transfer characteristic and modulation structure. A broadband signal containing a plurality of information channels, for example CATV channels, is applied to it modulator electrodes. The modulation signal varies the power coupling between the guided laser light source signal and a SPW in the modulator. The result is an intensity modulated optical signal that is output to the optical fiber for transmission to the optical receiver of the system. Alternatively, the communications system includes a high power laser coupled to an optical splitter to divide its output power in two or more optical source outputs. Each optical source output is then used to drive an associated SPW modulator. Each of the modulators receives a broadband signal with which to modulate its optical source. After modulation, the modulated lightwave from a modulator is coupled to a corresponding optical fiber for carriage to an optical receiver. In this manner, several broadband information signals can be communicated over the system using only one laser source. A net benefit from using one higher power laser, rather than several lower power ones, is one of cost, purity and similarity of the several signals. This configuration is enhanced by the lower loss and higher linearity of the SPW modulators. Further, several WDM embodiments including those having serially cascaded SPW modulators are provided. The transfer characteristic of the SPW modulators are tailored to either be more efficient for an analog or a digital modulation signal by adding or subtracting grating effects.

A critical water-controlled type semiautomatic electric heating cooking pot consists of a wireless coupling electric heating cooking pot body and a power coupling seat, wherein an electric heating plate and a heat-conduction connecting plate are arranged on a semi-spherical surface of a non-stick pot bottom; the heat-conduction connecting plate penetrates in a strip-shaped channel in the middle of the electric heating plate and is provided with a temperature sensor; a circular base is arranged on the heat-conduction connecting plate; a rectangular coupling socket is formed in the middle of the circular base; the left end and the right end of the coupling socket are provided with a connecting plate groove and a front and back blade groove; the heat-conduction connecting plate in the connecting plate groove and a front and back electric contact blade in the front and back blade groove are respectively in contact with an earthing spring plate and a front and back power spring plate on a coupling plug of the power coupling seat, so that power wires of the heat-conduction connecting plate and the front and back electric contact blade are in coupling connection with the coupling plug of the power coupling seat; a triangular machine box is arranged on the left side of a control handle; and an operating panel is arranged at the left upper end of the triangular machine box and is respectively provided with a high-temperature button, a high-temperature indicator lamp, a low-temperature button and a low-temperature indicator lamp. The temperatures of different regions of the surface in the pot are correspondingly changed along with change of the quantity of water in the electric heating cooking pot, and are measured and controlled according to change of a critical temperature, the electric heating cooking pot can be switched off automatically during cooking, the circumstance that a user forgets to switch off the cooking pot and food in the cooking pot is burned are avoided, the time is saved, the user does not need to worry about the food in the cooking pot, and troublesome problems are avoided.

A method and apparatus for manipulating a surgical guidewire. The apparatus comprises a chuck for selectively coupling motive force to a surgical guidewire and an actuator, coupled to the chuck, for imparting an axial motive force to the chuck. Embodiments of the invention further comprise a method of using the apparatus.

A resonant, contactless, RF power coupling suitable for high power-density applications and for use in an ocean environment is disclosed. In the illustrative embodiment, the power coupling includes a transmit coupling and a receive coupling, each of which include a resonant element. A high-powered RF generator is coupled to the transmit coupling and a rectifier circuit is coupled to the output coupling. Each of the resonant elements is disposed in its own electrically-conductive canister and advantageously potted in an appropriate insulating dielectric. Each canister has an open end to facilitate inductive coupling between the two resonant elements. In order to exclude seawater from the interface between the canisters, a seal of compliant material is disposed therebetween.

Power supplies for pool and spa equipment are disclosed. In one embodiment, the power supply includes a buoyant housing, a peripheral float, at least one solar cell positioned on the buoyant housing for collecting sunlight and converting same to electrical energy, and a power cable for interconnecting the power supply and pool/spa equipment. In other embodiments, first and second inductive power couplings are provided for powering pool and spa equipment. The power couplings can also be installed using existing plumbing features of the pool or spa.

The invention provides a dual power coupling drive assembly adopting a dual-motor rotating speed coupling drive mode, and the dual power coupling drive assembly can meet the power demands of heavy vehicles in the process of running. In the invention, the rotating speed coupling of a planetary gear is used as the power coupling of a first motor 4 and a second motor 8; the first motor 4 and the second motor 8 are arranged at the same side, and the shafts of the first motor 4 and the second motor 8 are parallel to each other, the power output by the first motor 4 passes through a first speed reducer 3, a power input gear 2 and a gear ring external gear 12, the power output by the second motor 8 passes through a second speed reducer 9 and a sun gear 11, then the rotating speed coupling of the two motors are realized by the planetary gear, and a planet carrier 15 outputs power to a driving wheel 16.

In one embodiment, an electronic accessory for coupling electronic devices to an external power supply includes: (a) a holder having: (1) a cradle section configured to couple to at least two of the electronic devices, the cradle section comprising a power coupling; and (2) two or more side supports, each of the two or more side supports configured to removably couple to the cradle section; and (b) a power unit electrically coupled to the power coupling and configured to removably couple to the external power supply. At least a first one of the two or more side supports is configured to provide support to a first one of the electronic devices when the first one of the electronic devices is coupled to the cradle section. At least a second one of the two or more side supports is configured to provide support to a second one of the electronic devices when the second one of the electronic devices is coupled to the cradle section. Other embodiments are disclosed in this application.

The invention relates to an electromechanical compound transmission device of a tracked vehicle and belongs to the field of arrangement or installation of automobile transmission devices. The transmission device is composed of two motors, a planetary gear shift mechanism and a power coupling mechanism; when the tracked vehicle runs straight, the transmission device provided by the invention controls the two motors to be at the same speed; and when the tracked vehicle changes the direction, one part of overturning circulation power at the inner side is recycled as electric power and transmitted to the motor at the outer side by taking the motor at the inner side as a power generator, one part of the overturning circulation power is output to an outside tracked belt through a power coupling mechanism in a mechanical mode, and the power driving requirement of the motor at the outer side is reduced. Through the transmission device provided by the invention, the high requirements for the motors by a double-side motor individual driving type are reduced, the system power waste for the horizontal-axis zero speed difference electromechanical compound driving type is avoided, the overturning system with double-flow transmission for the traditional tracked belt is saved, thus the system efficiency is utilized fully, the device has the advantages of flexible arrangement, small general size and the like, and the device is extremely suitable for high-power tracked vehicles.