13041 results about "Electrical control" patented technology

A portable electric nailing gun operating from a power supply. The motor accelerates a flywheel, which at the appropriate energy state is coupled through a mechanism to an anvil acting directly on the nail. The actuation is governed by a control circuit and initiated from a trigger switch. The stored energy delivered from the motor is coupled to the output anvil drives the nail. At least one position of the output anvil is sensed and once the nail is driven, the power is disconnected from the motor. This method uses a direct acting clutch and a harmonic motion nailing mechanism to reduce wear and increase robustness of the nailer. Elastic elements are used to limit stresses during the impact periods. The electrical control circuit and sensors allow precise control and improve safety. The power supply is preferably a rechargeable low impedance battery pack.

A method for operating a surgical instrument includes mechanically coupling a manual release to a transmission of a surgical instrument having a self-contained power supply disposed entirely within a handle thereof. The transmission translates movement of an electrically powered motor inside the handle to movement of a part of a surgical end effector connected to the handle. The part is operable to move anywhere between a start position and a fully actuated position. The method further includes selectively interrupting the transmission with the manual release to move the part towards the start position independent of motor operation.

A patient bed includes a patient support, a base, and an electrical control system. The patient support is mounted relative to said base, which has a plurality of bearing members for moving the base and the patient support across a surface. Each of the bearing members includes a brake operatively associated therewith, with the electrical control system having a user actuatable device and being configured to actuate one or more of the brakes upon actuation of the user actuatable device.

The invention relates to a device for displacement of at least a small volume of liquid (5) under the effect of an electrical control, including a substrate (1) provided with first electrically conducting means (2), the device also comprising second electrically conducting means (3) arranged facing the first electrically conducting means (2), the first electrically conducting means and the second electrically conducting means possibly being connected to electrical power supply means to enable the application of electrostatic forces to the small liquid volume (5). The second electrically conducting means include at least one conducting wire (3) arranged parallel to the substrate and at a fixed distance from the substrate to enable displacement of the small volume of liquid (5) along said conducting wire (3) under the effect of the applied electrostatic forces.

A gastroelectric stimulator comprises a neurostimulator for producing a stimulation signal, at least one electrical lead, and at least two electrical contacts. The electrical lead has a proximal end and a distal end, the proximal end being connected to the neurostimulator and the distal end positionable in a lead position within the patient's abdomen. The electrodes are carried near the electrical lead distal end. The electrodes are electrically connected through the electrical lead to the neurostimulator to receive the stimulation signal and convey this signal to an electrode position within the patient's digestive system. The stimulation signal is adapted to influence pancreatic secretions.

The invention concerns a device for reversibly displacing at least one volume of liquid (10) under the effect of an electrical control, comprising first electrically conductive means (8), second electrically conductive means (4), and means for inducing a reversible displacement of a volume of liquid, from the first to the second electrically conductive means, without contact with said conductive means during the displacement.

The focal distance can be greatly changed by performing an electrical control in an optical element. The optical element comprises a first substrate having a first electrode, a second substrate, a second electrode arranged outside the second substrate, and a liquid crystal layer provided between the first substrate and the second substrate and constituted by liquid crystal molecules oriented. A first voltage is applied between the first electrode and the second electrode, thereby controlling the orientation of the liquid crystal molecules, whereby the optical element operates. A third electrode is provided on an insulating layer and outside the second electrode. A second voltage independent of the first voltage is applied to the third electrode, thereby changing the optical properties.

The present invention introduces a new class of lightweight tile-based illumination systems for uses wherein thin directionally-illuminating light distributing engines are embedded into the body of otherwise standard building materials like conventional ceiling tiles along with associated means of electrical control and electrical power interconnection. As a new class of composite light emitting ceiling materials, the present invention enables a lighter weight more flexibly distributed overhead lighting system alternatives for commercial office buildings and residential housing without changing the existing materials. One or more spot lighting, task lighting, flood lighting and wall washing elements having cross-sectional thickness matched to that of the building material or tile into which they are embedded, are contained and interconnected within the material body's cross-section. Embedded power control devices interconnected to each lighting element in the distributed system communicate with a central switching center that thereby controls each light-emitting element in the system.

A multi-contact electrode for neural tissue stimulation is described. The electrode has an axis and includes a plurality of electrodes going along the axis. Each electrode ends with a contact, and at least one of the contacts has an internal edge, resulting in non-uniform electrical properties throughout the contact surface facing the tissue. Also described are methods of making an electrical contact with an internal edge, and methods and systems for characterizing internal edge.

An electrical control system is disclosed for controlling a plurality of variable transmittance windows. The electrical control system of the present invention comprises a master control circuit for supplying control signals representing transmittance levels for the variable transmission windows, and a plurality of window control circuits coupled to each of the master control circuits. Because the window control circuits can sense abnormal load conditions in the variable transmission windows, the system further includes an interface to a security system to inform of a potential intrusion. Each window control circuit controls the transmittance of at least one of the variable transmission windows in response to control signals received from the master control circuit.

An electrical control system is disclosed for controlling a plurality of variable transmittance windows. The electrical control system of the present invention comprises a master control circuit for supplying control signals representing transmittance levels for the variable transmission windows, and a plurality of window control circuits coupled to each of the master control circuit. Because the window control circuits can sense abnormal load conditions in the variable transmission windows, the system further includes an interface to a security system to inform of a potential intrusion. Each window control circuit controls the transmittance of at least one of the variable transmission windows in response to control signals received from the master control circuit.

An electrical control system is disclosed for controlling a plurality of variable transmittance windows. The electrical control system comprises a master control circuit and user input circuits for supplying control signals representing transmittance levels for the variable transmission windows, and a plurality of slave window control circuits coupled to the master control circuit, user input circuits and the variable transmittance windows. Each slave window control circuit controls the transmittance of at least one of the variable transmission windows in response to control signals received from the master control circuit and / or user input circuits. Also disclosed are novel methods for the manufacture of an electrochromic device used in variable transmittance windows. Novel structural features for improving heat transfer away from the windows, shielding the window from external loads, and improving the electrical performance of the windows are also disclosed.

An electrical control system is disclosed for controlling a plurality of variable transmittance windows. The electrical control system comprises a master control circuit and user input circuits for supplying control signals representing transmittance levels for the variable transmission windows, and a plurality of slave window control circuits coupled to the master control circuit, user input circuits and the variable transmittance windows. Each slave window control circuit controls the transmittance of at least one of the variable transmission windows in response to control signals received from the master control circuit and / or user input circuits. Also disclosed are novel methods for the manufacture of an electrochromic device used in variable transmittance windows. Novel structural features for improving heat transfer away from the windows, shielding the window from external loads, and improving the electrical performance of the windows are also disclosed.

A computer input device or wand that may be held and controlled by an infant, a toddler, or an adult who cannot use a conventional input device. An elongated handle is provided for gripping and manipulating the input device. The handle may conform to the size of a baby's hand to allow the input device to be securely held by a baby. The input device or wand includes an omnidirectionally responsive transducer for actuating an electrical control signal in response to each unidirectional sweep of the wand in a plane perpendicular to the axis of the handle, thereby allowing the user to control a computer display by shaking the wand in the same manner as a baby might shake a rattle.

The invention discloses an electric drive fracturing semitrailer with dual engines and dual pumps. The electric drive fracturing semitrailer with the dual engines and the dual pumps comprises a semitrailer body, two plunger pumps, two radiators and an electrical control cabinet. The electric drive fracturing semitrailer with the dual engines and the dual pumps is characterized by further comprising two electromotorsand an inverter unit. The plunger pumps, the radiators, the electrical control cabinet, the electromotors and the inverter unit are integrated in the semitrailer body, the inverterunit is arranged on the gooseneck of the semitrailer body, the output end of the inverter unit individually drives the two electromotors, the other ends of the two electromotors are connected with theplunger pumps correspondingly, lubricating oil of the plunger pumps is cooled through the radiators, and local operation of the electric drive fracturing semitrailer with the dual engines and the dual pumps is realized through the electrical control cabinet. The electric drive fracturing semitrailer with the dual engine and the dual pump has the beneficial effects that the electromotors are adopted to drive the plunger pumps through a transmission shaft, the volume is small, and the economic efficiency, energy conservation and environment protection are achieved. The signal pump power of theplunder pumps is improved, design that the dual pumps are driven by the two electromotors is adopted by the whole fracturing device, the output power of the fracturing device is greatly improved, andthe using requirements are better met.

The invention relates to a brick making machine, in particular to a fully automatic hydroform and intelligent stacking device for bricks. The device comprises a brick molding press, a stacking robot, an automatic feeding machine, a steam curing bogie and an electric control device, and has the following structural key points that the stacking robot is arranged between the brick molding press and the automatic feeding machine; the automatic feeding machine carries out positioning and feeding for the steam curing bogie; and the electric control device is connected with the drive device and the sensor of each part through electric circuits. Thus, through the programmed instructions in a PLC module of the electric control device, action interlocking of the brick molding press, the stacking robot and the automatic feeding machine is realized so as to ensure action coordination among each part and realize automatic production during the entire working procedure from feeding raw materials into a material frame for distribution to outputting full bogies of green bricks; in addition, a stacking manipulator directly enters into the brick molding press to clean green bricks, and directly piles up the green bricks on the steam curing bogie, thereby reducing the carrying times of the green bricks, improving the quality of the green bricks, shortening production cycle and increasing production efficiency.

A robotic vacuum cleaner includes a casing with a motor-driven wheel unit mounted on a lower major wall thereof, and a tactile sensor unit yieldable radially relative to the casing. An electrical control unit is operable to control the wheel unit to operate in a starting mode in which the casing is moved along a spiral path, and, upon receipt of a switching signal generated by the sensor unit in response to a contact of the sensor unit with an obstacle, controls the wheel unit to operate in an edge-cleaning mode in which the wheel unit is initially turned to a normal angle, is then driven to move forward a predetermined distance, is subsequently turned to an activating angle, and is moved towards the obstacle to permit contact of the sensor unit with the obstacle so as to result in generation of switch signal enabling the wheel unit to continue to operate in the edge-cleaning mode.

The invention relates to a brick making machine, in particular to a fully automatic hydroform and intelligent stacking device for bricks. The device comprises a brick molding press, a stacking robot, an automatic feeding machine, a steam curing bogie and an electric control device, and has the following structural key points that the stacking robot is arranged between the brick molding press and the automatic feeding machine; the automatic feeding machine carries out positioning and feeding for the steam curing bogie; and the electric control device is connected with the drive device and the sensor of each part through electric circuits. Thus, through the programmed instructions in a PLC module of the electric control device, action interlocking of the brick molding press, the stacking robot and the automatic feeding machine is realized so as to ensure action coordination among each part and realize automatic production during the entire working procedure from feeding raw materials into a material frame for distribution to outputting full bogies of green bricks; in addition, a stacking manipulator directly enters into the brick molding press to clean green bricks, and directly piles up the green bricks on the steam curing bogie, thereby reducing the carrying times of the green bricks, improving the quality of the green bricks, shortening production cycle and increasing production efficiency.

The invention discloses a semi-physical simulation testing platform of a train control network, which comprises a vehicle-mounted electrical control system, a software simulation control system and / or a physical control system and a data acquisition interactive system, wherein the software simulation control system and / or the physical control system is connected with the vehicle-mounted electrical control system; the data acquisition interactive system is connected with the vehicle-mounted electrical control system so as to convert a signal output by the vehicle-mounted electrical control system into a digital signal or convert the digital signal into an input signal required by the vehicle-mounted electrical control system; and the data acquisition interactive system is connected with the software simulation control system and / or the physical control system so as to convert the digital signal connected and output by the software simulation control system and / or the physical control system into a switching value signal or convert the switching value signal into the digital signal required by the software simulation control system and / or the physical control system. The semi-physical simulation testing platform of the train control network is capable of comprehensively implementing evaluation and verification on the design of a train network control system, eliminating possibledesign errors, rapidly positioning faults to ask for reasons, and reducing the production debugging cost and the technical risks of real trains.

The invention relates to a fracturing fluid and sand mixing semitrailer, and belongs to the field of fracturing devices for oil field work. The fracturing fluid and sand mixing semitrailer comprises a semitrailer body, a hydraulic system and an electrical control system. The hydraulic system comprises a hydraulic oil tank, at least one hydraulic pump and a hydraulic multi-way valve. An engine, the hydraulic system, the electrical control system, a lifting control chamber, a spiral conveyor, a clean water suction centrifugal pump, a fracturing fluid suction centrifugal pump, a stirring machine, a discharge centrifugal pump, a liquid adding pump, a dry powder adding device and a concentrated guanidine gum adding pump are integrated on the semitrailer body. The work steps of conducting glue solution mixing after fracturing liquid mixing is conducted and discharging the glue solution to a downward fracturing device can be conducted by operating the electrical control system to drive the hydraulic pump through an operator, and therefore work steps of oil field work are highly integrated, matched devices are reduced, workloads of working staff are reduced, and construction quality is ensured.

A vacuum cleaner having a base adapted to be moved on a surface to be cleaned, an inlet nozzle disposed on a lower surface of the base, a vacuum source, and a dirt receptacle. A lower handle is pivotally attached to the base at a lower pivot, and an upper handle is pivotally attached to the lower handle at an upper pivot. In one aspect, the vacuum cleaner includes an automatically-operated lower pivot lock that can restrict relative rotation between the lower handle and the base, and a manually-operated upper pivot lock that can restrict relative rotation between the upper handle and the lower handle. In another aspect, the vacuum cleaner includes a telescoping upper handle with electrical controls attached to the upper telescopic section of the upper handle. In still another aspect, the vacuum cleaner includes an exhaust vent located on an upwardly-facing surface of the base.

The invention relates to a multifunctional blending and liquid supplying vehicle, which comprises a chassis, wherein an operation platform, a hydraulic oil tank, a dry powder feeder, an operation box for an electrical control system, a lorry-mounted crane and a liquid adding tank are fixedly arranged above the main beam of the chassis, wherein a centrifugal pump, an exhaust manifold and a suction manifold are arranged on each of two sides of the middle part of the main beam of the chassis, the exhaust manifold is communicated with the water outlet of the centrifugal pump, and the suction manifold is communicated with the water inlet of the centrifugal pump; the liquid adding pump is fixedly arranged on the side wall of the liquid adding tank, the water inlet of the liquid adding pump is communicated with the liquid adding tank, and the water outlet of the liquid adding tank is communicated with the exhaust manifold; a discharge opening in the lower end of the dry powder feeder is communicated with the exhaust manifold; the engine of the chassis is connected with a hydraulic pump, and the hydraulic pump is connected with the centrifugal pump, the lorry-mounted crane, the liquid adding tank and the liquid adding pump through a hydraulic multiway valve; the electrical control system is connected with the engine of the chassis, the hydraulic pump and the hydraulic multiway valve. The multifunctional blending and liquid supplying vehicle provided by the invention is low in cost, high in working efficiency, and can achieve various oil field operation functions.

A single cup pod beverage brewer is presented utilizing a pod (20) containing coffee grounds or tea leaves surrounded by filter paper. A pod holding chamber (22) consisting of a upper head (26) and a lower head (28) having an ejection disc (42). An upper head mounting frame (48) is attached to its horizontal base (50) and includes lower head rotating arms (60) attached to a first shaft (62) with a first gear motor (66) rotating the arms into a pod loading position, a pod brewing position and a pod disposal position. A second gear motor (66a) is secured to the upper head mounting frame, driving a cam (76) through a second shaft (62a) engaging the upper head to lower, seal and raise said upper head. A pod ejector solenoid (84) is disposed on the base electromechanically propelling the pod from the chamber when the lower head in the pod disposal position. An electronic control system employs a solid state direct current arrangement for control regulation and alternating current for heating system functions. An enclosure with panels and a door (90) protects moving elements and electrical controls.

A remote control electrical device which can communicate with a remote control device. The electrical control device is adapted to fit into a housing which fits into a wall mounting. The remote control electrical device can comprise a control circuit disposed in the housing, a transmitter disposed in the housing, a receiver disposed in the housing wherein said transmitter and said receiver are in communication with the control circuit. There is also a support plate having an inside face facing into the housing and an outside face facing away from the housing body. The support plate is coupled to the housing, wherein there is also an antenna disposed on the outside face of the support plate. This antenna does not receive any power-line AC frequencies or DC, instead it is capacitively coupled to the rest of the electrical components and disposed on the outside face of the support plate.

A closing device for a vehicle door lock is actuated by a hand lever. The lock can be switched between a secured, inoperative position of the hand lever and an operative position in which the lock can be opened by the hand lever. An electric control device arranged within the vehicle effects via an antenna of a vehicle-correlated transmission and reception unit a data request directed to a data carrier external to the vehicle held by a vehicle user. The data carrier has a transmission and reception unit transmitting a data reply via the antenna of the vehicle-correlated transmission and reception unit to the control device which, for a positive identification of the data carrier, triggers securing, respectively, release of the lock. The antenna of the transmission and reception unit is arranged in the hand lever in addition to at least some further components of the transmission and reception unit.

A device for reversibly displacing at least one volume of liquid under the effect of an electrical control, including first electrically conductive device, second electrically conductive device, and a device for inducing a reversible displacement of a volume of liquid, from the first to the second electrically conductive devices, without contact with the conductive device during the displacement.

The invention relates to a positive-pressure pneumatic conveying skid for an oilfield fracturing propping agent. The positive-pressure pneumatic conveying skid for the oilfield fracturing propping agent comprises a skid frame and is characterized in that a fan power-driven system, a gas channel and sand conveying system, a delivery tank assembly, movable feeding devices and an electric control system are arranged on the skid frame. The positive-pressure pneumatic conveying skid for the oilfield fracturing propping agent has the benefits as follows: the occupied area is small, the transportation is convenient, the operation environment and the operation safety are improved, and the efficiency of operation for conveying a material to a high storage tank is improved.