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2872 results about "Stored energy" patented technology
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Stored energy may refer to: Energy storage, stored energy in any form, including chemical, gravitational and electrical energy Potential energy, energy stored in a system of forcefully interacting physical entities.
Electrical motor driven nail gun
InactiveUS6705503B1Easy to handleReduce wearStapling toolsReciprocating drilling machinesEngineeringFlywheel
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.
Owner:TRICORD SOLUTIONS
Surgical attachment for use with a robotic surgical system
A surgical attachment includes a surgical tool, an actuator configured to drive the surgical tool, and a power cell for providing electrical power to the actuator, the power cell being configured to accumulate stored electrical energy during an idle state of the actuator and to discharge at least a portion of the stored energy to power the actuator during a peak load of the actuator.
Owner:TYCO HEALTHCARE GRP LP
Apparatus for energizing a remote station and related method
InactiveUS6615074B2Eliminate needEasy to useElectrotherapyTelemetry/telecontrol selection arrangementsStored energyMiniaturization
Owner:PITTSBURGH UNIV OF
Raid controller using capacitor energy source to flush volatile cache data to non-volatile memory during main power outage
InactiveUS20060015683A1Reduces amount of energy storage capacity requirementLess expensiveEnergy efficient ICTMemory loss protectionRAIDStored energy
A write-caching RAID controller is disclosed. The controller includes a CPU that manages transfers of posted-write data from host computers to a volatile memory and transfers of the posted-write data from the volatile memory to storage devices when a main power source is supplying power to the RAID controller. A memory controller flushes the posted-write data from the volatile memory to the non-volatile memory when main power fails, during which time capacitors provide power to the memory controller, volatile memory, and non-volatile memory, but not to the CPU, in order to reduce the energy storage requirements of the capacitors. During main power provision, the CPU programs the memory controller with information needed to perform the flush operation, such as the location and size of the posted-write data in the volatile memory and various flush operation characteristics.
Owner:DOT HILL SYST
Apparatus for energizing a remote station and related method
InactiveUS6289237B1Eliminate needTelemetry/telecontrol selection arrangementsElectromagnetic wave systemStored energyMicroprocessor controller
Apparatus for remote interaction with an object of interest includes a remote station for obtaining information from the object of interest, a base station for transmitting energy in space to and communicating with the remote station and the remote station having a conversion device for energizing the remote station responsive to receipt of the transmitted energy. The energy may be of any suitable type including RF power, light, acoustic, magnetic energy or other form of space transmitted or "radiant" energy. The remote station does not have to contain a source of stored energy or a wired connection to a source of energy. The remote station receives the energy transmission and data transmission from the base station and transmits data to the base station. Microprocessor controllers may be provided for the base station and the remote station. The remote station may receive information from sensors and through one or more transponders sequentially communicate information to the base station. An associated method is provided.
Owner:UNIVERSITY OF PITTSBURGH +1
Shaft mounted energy harvesting for wireless sensor operation and data transmission
InactiveUS20050017602A1Provide informationEfficiently transferring energyBatteries circuit arrangementsPiezoelectric/electrostriction/magnetostriction machinesLine sensorRotational axis
A device for monitoring a rotating shaft is provided. The device measures strain in the shaft and provides angular velocity and torque in the shaft. The device includes a sensor, sensor conditioning circuitry, a microprocessor, and a transmitter, all located on a rotating shaft. The device obtains power by harvesting mechanical energy of the rotating shaft itself. Coils are provided rotating with the shaft and permanent magnets are mounted adjacent the rotating shaft so electrical energy is induced in the coils as they rotate through the magnetic field of the permanent magnets. A battery or capacitor is connected to the coils for storing energy. A microprocessor is connected to the sensors, the storage device, and the transmitter for managing power consumption and for monitoring the amount of electrical energy stored in the storage device and for switchably connecting the storage device to the transmitter when the stored energy exceeds a threshold.
Owner:LORD CORP
Implants for treating ocular hypertension, methods of use and methods of fabrication
A stent for treating ocular hypertension by providing means for enhancing outflows of aqueous humor from the anterior chamber. An exemplary stent is fabricated of a shape memory polymer (SMP) that can withstand very large reversible inelastic strains for storing energy in a temporary reduced cross-sectional shape. In one embodiment, the stent in a temporary shape is introduced into a targeted tissue volume in and about the eye's aqueous outflow pathways. Following minimally invasive implantation of the stent, body temperature or another stimulus causes the stent to move from its temporary shape to its memory shape thereby releasing stored energy to retract the tissue to open flow pathways or increase tissue permeability. In another embodiment, the SMP stent body has interior flow passageways to provide addition fluid outflow means. In several embodiments, the stent can be of a shape memory alloy material.
Owner:SHADDUCK JOHN H
Adaptively controlled footwear
A method for controlling footwear, comprising cushioning a transient force during use of the footwear at a first period of a gait cycle, storing energy from said cushioning, and releasing the stored energy during use of the footwear at a second period of the gait cycle, and after said transient force has subsided. The control can be electronic, mechanical or hydraulic, and is preferably dependent on a sensed gait cycle phase. The control may be adaptive to the user or the use of the footwear. The stored energy can be used to assist in locomotion, to generate electrical energy, to drive a heat pump, or simply dissipated.
Owner:PROMDX TECH
Energy Scavenging Power Supply
InactiveUS20120292993A1Batteries circuit arrangementsSingle network parallel feeding arrangementsCapacitanceElectric power system
An energy scavenging power system and method may include an energy conversion system having at least one transducer configured to harvest energy, an energy management and storage system configured to store harvested energy; and a load regulation system configured to provide stored energy to power one or more low power-consumption loads. The energy management and storage system may include a start-up capacitor having a small capacitance to allow for quick charging and fast turn-on, a short term capacitor to provide energy to the load or loads once turned-on, and a long term capacitor having a large capacitance to provide for sustained energy delivery to the loads. The system also may include a common charging bus that receives energy from each transducer, conditioned if necessary, and which then determines the capacitor to which the energy should be delivered.
Owner:AMERICAN SCI & TECH CORP
Method and apparatus for power electronics and control of plug-in hybrid propulsion with fast energy storage
InactiveUS20070068714A1Compact and inexpensiveInterconnection becomes expensivePlural diverse prime-mover propulsion mountingPower to auxillary motorsDrivetrainElectrical battery
A plug-in hybrid propulsion system includes a fast energy storage device that preserves battery life, where the energy storage elements of the hybrid drive train may be charged with externally supplied electricity as well as energy from the engine or regenerative braking. Electronic switches, passive electronics, an enclosure, controller circuitry, and / or control algorithms are used to manage the flow of power between a fuel powered engine, a battery, a fast energy storage system, traction motors, a charger, ancillary systems, an electrical distribution system, and / or a drive train.
Owner:AFS TRINITY POWER CORP
Brushless DC motor control
An electronically commutated brushless DC motor primarily for fractional horsepower applications of the type where at any instant one motor winding is unpowered and used to detect back EMF zero-crossings which information is used to initiate winding commutations. The duration of the pulse produced in this winding due to dissipation of stored energy by free-wheel diodes in parallel with the commutation devices after supply of current has been removed from this winding is used to provide a measure of motor current. This allows for simplified commutation device current limiting circuits and is available for control purposes which are a function of motor torque. There is also disclosed a method for maximizing useful power output by reducing the phase angle between the motor current and the back EMF. This is accomplished by introducing a delay in commutating the motor windings beyond the occurrence of each back EMF zero-crossing, with the delay being a function of the time between commutations.
Owner:FISHER & PAYKEL APPLIANCES LTD
Fluid delivery device with collapsible needle cover
InactiveUS6126637AImprove reliabilityEasy to break awayPharmaceutical delivery mechanismMedical devicesStored energyEngineering
A fluid delivery device having a self-contained stored energy membrane for defining in conjunction with a base a fluid reservoir and for expelling fluids from the reservoir. The device includes novel reservoir filling syringe and filling adapter for conveniently filling the fluid reservoir of the device. Additionally, the device includes a unique crushable or collapsible needle cover which surrounds and protects the infusion cannula until time of use and then readily deforms as the device is connected to the patient so as to permit the needle to cleanly penetrate the patient's skin. The needle cover maintains the cannula in a substantially aseptic condition and enables self-administration by patients, such as young patients or needle adverse patients, which does not require their consciously inserting a needle into the skin.
Owner:PESCADERO BEACH HLDG
Portable solar energy system
ActiveUS7388348B2Convenient charging statusMaximum service lifeSubstation/switching arrangement detailsDigital data processing detailsGlass fiberStored energy
The portable solar energy system stores electrical energy generated by a solar panel, which is made of an array of photovoltaic cells, in a dc storage battery, and upon demand converts the dc voltage of the battery to an ac output suitable for supplying conventional electrical appliances. The battery is a sealed lead-acid type and may be an Absorbed Glass Mat (AGM) battery. The system includes an energy storage and converting unit, which houses the battery and a dc-to-ac inverter. The inverter converts the stored energy of the battery, supplied at a low dc voltage, into the ac voltage and current required for supplying conventional appliances. A charge controller manages the flow of current from the solar panel to optimize the state of charge of the battery and to maximize the useful life of the battery. Additional circuitry monitors the discharge level of the battery to limit deep discharging.
Owner:GODMAN POWER GRP INC
Active-clamp current-source push-pull dc-dc converter
InactiveUS20070247877A1Improve power conversion efficiencyReduce voltage stressEfficient power electronics conversionDc-dc conversionFull wavePush pull
Provided is a current-source push-pull DC-DC converter using an active clamp circuit for reusing energy of leakage inductances by not only diodes on a secondary side of a transformer being zero-current switched using a series-resonant full-wave rectifier, but also the active clamp circuit on a primary side of the transformer, which provides a discharge path of the energy stored in the leakage inductances, increases power conversion efficiency even for a wide input voltage range and reduces a switch voltage stress as compared to a conventional current-source push-pull circuit by operating even for a duty ratio below 0.5 by flowing a current of an input inductor through capacitors of the active clamp circuit when both main switches are off.
Owner:POSTECH ACAD IND FOUND
Applicators for microneedles
An applicator for a microprojection array is described. In one embodiment, the applicator comprises an energy-storing element. Application of force causes the compressed energy-storing element to extend or transition from first and second configurations, releasing stored energy to deploy a holding member in the application which is configured to hold an array of microprojections. In another embodiment, the applicator comprises an energy storing element with two stable configurations, a first stable configuration and second stable configuration. Application of force causes the energy-storing element to transition from the higher energy first stable configuration to the lower energy second stable configuration, releasing the difference in energies of the two states to deploy a holding member in the application which is configured to hold an array of microprojections.
Owner:CORIUM PHARMA SOLUTIONS INC
Artificial-Intelligence-Based Energy Auditing, Monitoring and Control
InactiveUS20070239317A1Energy efficient ICTSampled-variable control systemsStored energyAir velocity
A method and system are provided for auditing, monitoring and controlling the energy consumption within a utility. Energy consumption data is obtained from a series of modules monitoring and controlling a variety of physical conditions, such as ambient light, temperature, pressure, air velocity, cooling, and heating, and devices. These modules transmit energy consumption and physical conditions data over a wireless personal area network (WPAN) through a transceiver. A central control station obtains the energy consumption data and stores it in an energy usage database. Energy management logic calculates and provides to the user an energy management solution, to reduce energy consumption and costs, by applying rule-based artificial intelligence to the stored energy consumption data in conjunction with information from the Internet. In one embodiment, the energy management solution can automatically control devices to effectively conserve energy.
Owner:GREENBOX TECH
Energy transfer device for series connected energy source and storage devices
InactiveUS20050077879A1Extended service lifeImprove energy storage performanceCharge equalisation circuitElectric powerTransformerEnergy device
A low cost, efficient, and rapid means for transferring energy or balancing charge among multiple, series connected batteries, capacitors, photovoltaic cells, fuel cells, and other types of energy source or storage devices is provided. Modules that transfer energy by moving charge from one or more series connected energy devices directly to one or more other energy devices in the string are disclosed. The modules utilize steering circuits comprised of switches and rectifiers, and energy storage elements such as inductors and transformers, to transfer energy between multiple energy devices in the string. The modules may be used in combination with string charging devices and loads. The modules provide a means to balance charge or potential of the energy devices, which is known to provide benefits of increased life and capacity.
Owner:NEAR TIMOTHY PAUL
Shaft mounted energy harvesting for wireless sensor operation and data transmission
InactiveUS7256505B2High impedanceEnergy efficiencyBatteries circuit arrangementsPiezoelectric/electrostriction/magnetostriction machinesStored energyAngular velocity
Owner:LORD CORP
Method of controlling engine stop-start operation for heavy-duty hybrid-electric and hybrid-hydraulic vehicles
InactiveUS20070124037A1Minimizes engine noiseNoise minimizationInternal combustion piston enginesDigital data processing detailsEngineeringInternal combustion engine
A start-stop or idle-stop method for a heavy-duty hybrid vehicle that turns off the fuel supply while maintaining the crankshaft rotation of the internal combustion engine when the vehicle stops or, optionally, when the vehicle travels downhill, travels in a noise sensitive location, travels in an exhaust emissions sensitive location, or operates in an emergency situation. The stop-start or idle-stop method automatically turns on the engine fuel supply to restart combustion when the vehicle starts accelerating, is no longer traveling downhill, is no longer traveling in a noise sensitive or exhaust sensitive location, is no longer in an emergency situation, or has dropped below the minimum energy storage restart level.
Owner:SHEPPARD MULLIN RICHTER & HAMPTON
Energy storage system state of charge diagnostic
ActiveUS20050189918A1Avoid damageVehicle operation can be disabled and may become disabledBatteries circuit arrangementsPropulsion using engine-driven generatorsStored energyOperating point
An energy storage system determined to be at an operating point indicative of incipient threat to its condition is permitted to continue power flow for a duration that is a function of the state of charge before a diagnosis of a critical state of charge condition is rendered. If the state of charge returns to an acceptable region before the duration expires, no diagnosis of a critical state of charge condition is rendered. Generally, the duration increases as the state of charge trends toward the region of acceptable state of charge and decreases as the state of charge trends away from the region of acceptable state of charge.
Owner:ALLISON TRANSMISSION INC
Method and apparatus for a hybrid battery configuration for use in an electric or hybrid electric motive power system
InactiveUS7049792B2Optimize power systemImprove power densityMotor/generator/converter stoppersBatteries circuit arrangementsHigh energyElectric vehicle
A power system for an electric motor drive such as may be used in an electrically propelled vehicle incorporates the combination of a high power density battery and a high energy density battery to provide an optimal combination of high energy and high power, i.e., a hybrid battery system. The hybrid battery system in one form includes components which prevent electrical recharge energy from being applied to the high energy density battery while capturing regenerative energy in the high power density battery so as to increase an electric vehicle's range for a given amount of stored energy. A dynamic retarding function for absorbing electrical regenerative energy is used during significant vehicle deceleration and while holding speed on down-hill grades, to minimize mechanical brake wear and limit excessive voltage on the battery and power electronic control devices. The high energy density battery coupled in circuit with a boost converter, a high power density battery, a dynamic retarder, and an AC motor drive circuit. The hybrid battery system is controlled by a hybrid power source controller which receives signals from a vehicle system controller using current and voltage sensors to provide feedback parameters for the closed-loop hybrid battery control functions.
Owner:GENERAL ELECTRIC CO
Stored energy power system
A stored energy system is provided for delivering AC electrical power to a load. This system includes a single housing containing within a battery bank for storing DC power, and an inverter for receiving either DC power or AC power and converting DC power to AC power. The stored electrical system includes five circuit breakers mounted on the outside surface of the housing. Twist lock plugs are connected to each of the circuit breakers for removably connecting input power sources and output loads with the circuit breakers. A first circuit breaker is connected to a solar power source. A second circuit breaker is connected to a wind generator. A third circuit breaker is connected to a generator for generating AC power. A fourth circuit breaker is connected to a utility supplying AC power. A fifth circuit breaker is connected to the outside AC power load.
Owner:VONBRETHORST WILLIAM F
Method and Apparatus for Optimization of Distributed Generation
ActiveUS20090048716A1Low costLower requirementElectrical storage systemBatteries circuit arrangementsThermal energyElectric power
An energy optimization method and control apparatus may be used in a single building or a group of buildings to optimize utility-supplied and renewable sources in order to minimize the total energy cost. Simultaneously, it may also produce and store energy, such as electricity or hydrogen, that can be used to fuel vehicles, provide a means for independent production of household energy needs, or both. Various factors, such as the production of thermal energy and electricity from the renewable sources, the current store of stored energy, the current and expected thermal and electricity requirements of the building (based on a profile), the current and expected electricity loads of the equipment used to process stored energy, the expected thermal and electricity generating capacity of the renewable sources and other factors can be used to determine the mix of renewable-based and utility-based energy that minimizes the total energy cost.
Owner:INTELLIGENT GENERATION
Product identification tag device and reader
InactiveUS7317378B2Improve efficiencyImprove performanceMemory record carrier reading problemsSubscribers indirect connectionStored energyElectronic identification
An electronic identification tag, usually in very small size, responds to a reader with an identification code unique to the object to which the tag is attached. The stand-alone device responds to a reader signal by storing energy received from the signal, then using the stored energy to generate another signal that is encoded with identification information. In operation, a reader generates RF energy which can reach a multiplicity of such tags over a distance of several meters. The system minimizes power requirements for the tag by minimizing intelligence in the IC. Use of a transmit frequency which is different from the reader's power frequency reduces interference between the power pulse and information pulse, eliminates the need for filters and enables the multiplied clock reference frequency as the transmit carrier frequency.
Owner:TAGENT
Fluid delivery device
An apparatus for accurately infusing fluids into a patient at specific rates over an extended period of time. The apparatus is of a low profile, laminate construction having a stored energy source in the form of a distendable membrane, which in cooperation with the base of the apparatus defines one or more fluid reservoirs each having a fluid inlet and a fluid outlet. The apparatus further includes a novel, conformable ullage made of formable materials. The conformable ullage uniquely conforms to the shape of elastomeric membrane as the membrane returns to its less distend configuration and in so doing can move between a central chamber and a toroidal chamber formed in the cover of the apparatus. This arrangement will satisfy even the most stringent medicament delivery tolerance requirements and will elegantly overcome the limitations of materials selection encountered in devices embodying solely rigid ullage construction. Additionally, the infusion cannula of the apparatus is connected to the base in a novel manner which permits expeditious subdermal delivery to the patient via a cannula which extends generally perpendicularly relative to the base.
Owner:PESCADERO BEACH HLDG
Autonomous Robot Auto-Docking and Energy Management Systems and Methods
InactiveUS20070267998A1Automatic obstacle detectionProgramme-controlled manipulatorStored energyEngineering
Owner:IROBOT CORP
Intelligent door restraint
ActiveUS8225458B1Low costEasy to installProgramme-controlled manipulatorBuilding braking devicesStored energyElectronic controller
A method for controlling a door, comprising the steps of storing energy during a manual opening of a door, sensing an object within a doorway, selectively applying a force derived from the stored energy, to close the door, based on the sensing of an object in the doorway. The closure is preferably controlled by an electronic control. A door closing device comprising an energy storage device for storing energy during door opening and releasing the stored energy to subsequently close the door, a damping system for damping a closure of the door, a sensor for detecting an object within a doorway, having an output, a controllable device for selectively restraining the energy storage device from closing the door, and a control system for controlling the controllable device based on the output.
Owner:HOFFBERG STEVEN M
Multiple canopy
InactiveUS6537249B2Improve reliabilityReduce manufacturing costSurgeryMedical devicesStored energyMorphine
A fluid delivery device having a self-contained stored energy membrane for expelling fluids at a precisely controlled rate, which is of a compact, laminate construction. The device is of very low profile so that it can conveniently be used for the precise delivery of a small volume of pharmaceutical fluids, such as insulin, morphine and the like, into an ambulatory patient at precisely controlled rates over extended periods of time. The device includes strategically configured, multiple fluid chambers to achieve the maximum possible average percent of extension of the membrane and thereby assure adequate fluid delivery pressure.
Owner:PESCADERO BEACH HLDG
Hybrid vehicle and energy storage system and method
InactiveUS6834737B2Conveniently and inexpensively adaptableSmall packageReciprocating combination enginesAuxillary drivesStored energyPower mode
Owner:BLOXHAM STEVEN R
Hybrid powered welder
ActiveUS20060037953A1Improve energy efficiencyReduce noiseElectric discharge heatingArc welding apparatusStored energyFuel cells
An electric arc welder that includes a energy storage device and non-battery power source for the formation of an electric arc. The welder also includes battery charging circuit that controls the charging of the energy storage device by the non-battery power source. The non-battery power source can include an engine driven electric generator, power grid or a fuel cell.
Owner:LINCOLN GLOBAL INC
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