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5262756 |
Solar powered warning light
A solar powered warning light apparatus including a solar module that charges a single rechargeable Ni-Cad battery is operable for intermittently flashing a xenon flash tube. A recharging network...
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5221891 |
Control circuit for a solar-powered rechargeable power source and load
An inexpensive circuit for controlling the recharging of a rechargeable power source by a photovoltaic panel is used for powering a load such as the lamp of a walk light. Using a minimum number of...
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5148096 |
Charging method for batteries
A charging method for accumulators in two phases, the first phase being a constant current charging up to a given value of the battery voltage and, in the second phase, the battery voltage being...
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5111127 |
Portable power supply
A portable power supply having a rechargeable battery in a housing mounted on a portable frame. An inverter/converter unit, attached to the frame, is hardwired to the battery for conversion of DC...
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5089764 |
Solar panel driven air purging apparatus for motor vehicles
Apparatus and system for purging hot air from the cabin of vehicles when parked under hot sun conditions. The system employs a solar panel of relatively smaller size suited for incorporation with a...
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5084664 |
Solar powered lead acid battery rejuvenator and trickle charger
A solar powered lead acid battery rejuvenator circuit is provided that generates fast time very short duration pulses on the order of five micro seconds or less with a five mega volt per second...
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5079495 |
Charge exhaustion preventing apparatus of storage battery
A charge exhaustion preventing apparatus of a storage battery, includes a generator disposed on a waterway, a storage battery charged by the generator, an electromagnetic valve which opens and...
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5039928 |
Accumulator for portable computers
A portable electric appliance is provided with a solar energy accumulator. The accumulator is integrally mounted on the electric appliance when the appliance is desired to operate or be...
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5025202 |
Solar cell power system with a solar array bus lockup cancelling mechanism
A solar cell power system includes a device which determines the occurrence of solar array bus lockup by detecting the voltage of the power bus, the discharge current of the storage battery, and...
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4987729 |
Solar powered mower
A powered mower has a cordless electric power source defined by a rechargeable battery and a solar panel. The rechargeable battery is connected to a direct current motor for driving the mower blade...
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4970453 |
Solar charging system for an IC card having voltage current regulation
An electronic apparatus such as an IC card is comprised of a power source including a secondary cell and solar cells which are connected in parallel to the secondary cell, an IC and a plurality of...
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4963811 |
Method and apparatus for powering electrical and electronic consuming devices with solar energy
In order to provide the required electric power uninterruptedly to an electrical or electronic consuming device (M) powered by solar cells (1, 2, 3, 4), the supply of power to the consuming device...
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4951915 |
Electronic water flow control device
An electronic water flow control device, which includes a mini-scale electrical generator which changes the mechanical energy from water flow into electrical energy for storage in a battery and for...
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4942723 |
Solar powered lawnmower
A solar powered lawnmower is disclosed comprising an electric motor, a rechargeable battery pack, and a panel of photovoltaic cells built into the handle of the lawnmower. The angle of the handle...
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4918369 |
Hydro-energy conversion system
A water or fluid driven system is provided for use in a water open or closed loop system. The water driven system includes a flow control valve connected to a water line of the water open or closed...
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4911257 |
Vehicle having a solar battery system
A solar battery system for a vehicle comprises a solar battery mounted on a body of the vehicle, an actinometer provided on the body for detecting the quantity of solar radiation supplied to the...
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4888702 |
Photovoltaic system controller
A photovoltaic system controller particularly adapted for utilization with a photovoltaic power system including a photovoltaic array, system battery, load and, optionally, an auxiliary generator....
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4871959 |
Solar trickle charger for lead acid batteries
Multi-solar cell panel powered trickle chargers are provided for lead acid batteries with the solar cell panel power connected to a DC to AC inverter multi-vibrator having a center tap and opposite...
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4839574 |
Generator system utilizing a fuel cell
In a generator system having a fuel cell and a battery to which an output current is supplied from the fuel cell, the output current from the fuel cell is controlled in response to the energy...
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4808904 |
Portable photovoltaic battery recharger
A portable photovoltaic battery recharger for simultaneously recharging a plurality of rechargeable batteries having different sizes and respective optimum charging current levels. The battery...
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4794272 |
Power regulator utilizing only battery current monitoring
For a power system having a single maximum power point and varying loads, the present invention provides a power regulator which adjusts the operating point of one source as a function of only the...
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4786851 |
Battery charger
This invention relates to a battery charger which supplementally charges a secondary battery such as a battery and so forth in an automobile with use of a solar cell in which a diffusion-blocking...
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4775800 |
Power-supply apparatus
Power supply apparatus including a generator of electrical energy, such as fuel cells, solar cells, MHD generators or the like, in which a storage battery is connected to the generator and to the...
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4742291 |
Interface control for storage battery based alternate energy systems
An alternate energy interface control for implementation with utility derived power sources and alternate power sources such as are provided by solar panels, windmills, and the like employed with...
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4714868 |
Charging and discharging control circuit for a storage battery
A charging and discharge control circuit includes a charging control for detecting a voltage across a storage battery connected with a source of electromotive force and for outputting a first...
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4700122 |
Power supply filtering with rechargeable battery element
A combined electrical filter and interrupted energy source for a space satellite or other DC powered apparatus. The disclosed filter battery preferably employs an array of nickel-cadmium cells each...
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4686441 |
Photo electric charger device for low power electrical device
A photo electric charger device includes a solar-electric panel for generating a charging current for a chargeable battery. Mounted on a common support member with the solar-electric panel are a...
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4670702 |
Controller for fuel cell power system
A controller for a fuel cell power system comprises a main switching element inserted between a fuel cell power unit and a dc-ac converter, a secondary battery connected to a charging switching...
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4667142 |
Three-way power source circuit
A three-way power source circuit for portable electronic equipment, such as a radio, is disclosed. The power source circuit comprises a solar energy cell, a rechargeable battery and a standard...
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4661758 |
Solar power supply and battery charging circuit
A photovoltaic power supply and battery charging system comprises a photovoltaic solar energy power supply panel connected through a blocking diode to a secondary storage battery which, in turn, is...
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4651080 |
High efficiency battery charging system
A rechargeable battery array comprises a plurality of rechargeable battery cells (10)-(16) connected in series, and in equal plurality of charging sources (18)-(24) connected in series....
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4636931 |
Photovoltaic power control system
There is disclosed a photovoltaic power control system equipped with at least one inverter for inverting an output of a solar cell array to AC power, and having charge-and discharge control means...
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4581572 |
Alternating current generator for a car
Excitation of a field coil 2 is carried out by a separated power source 9 placed independent of a battery 8 to increase the output of a generator. A solar battery 10, a piezoelectric element 13 or...
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4571532 |
Photovoltaic power regulation system
An apparatus for controlling the charge rate and voltage of storage batteries of a solar power generating system using a single voltage regulator module to monitor and control the state of charge...
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4568868 |
Remote solar powered light
An improved controller for an automatic seasonal adjusting solar powered light having a rechargeable battery, a solar array for charging the battery, and a lamp. A detector is connected to the...
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4564799 |
Two-battery power supply system for vehicles
The present invention relates to a power supply system for vehicles having a generator which includes an armature coil for generating three-phase alternating current, a field coil held in...
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4539516 |
Solar battery energizer
A battery energizer for button batteries, such as zinc-silver oxide or zinc-mercuric oxide batteries, that are normally considered unchargeable, provides for energizing of the batteries in a safe...
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4494063 |
Satellite dual bus power system
In a satellite power distribution system such as for use in a communications satellite, a first load powering power distribution bus receives power from a first solar panel. A second load powering...
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4476520 |
Computer-controlled synthetic waveform generator
A method and apparatus for the efficient conversion of energy into electrical energy of a preselected character utilizes programmable control to direct the storage and supply of energy in the form...
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4474028 |
Solar powered refrigeration unit
A solar powered refrigeration unit includes an array of solar cells connected in series-parallel configuration to produce more than 12 volts dc. One side of the array is grounded, and the positive...
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4434395 |
Solar cell power supply circuit
A solar cell power supply circuit for use in a calculator or equipment is disclosed. It includes a solar cell or cells, a back-up capacitor connected to the solar cells, and a circuit element...
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4423368 |
Turbine air battery charger & power unit
An automobile is provided with a wind driven electric generator. An air duct extends from an inlet along the roof section of the body above the windshield and over the passenger compartment to air...
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4422031 |
Method and device for charging an electrical accumulator battery by means of solar-cells
The invention relates to a method of charging an electrical accumulator battery (16) by means of solar panels (11-14) with solar-cells. The battery (16) is charged by means of two or more solar...
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4409538 |
Charge control circuit
A charge control circuit has an excess charge detecting circuit for preventing the excess charge of a secondary battery responsive to the voltage of the secondary battery, and a switching circuit...
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4386309 |
Storage of liquid hydrogen
Hydrogen evaporating in a liquid hydrogen tank is fed to a fuel cell generating electrical energy used to drive a cooling unit which cools the tank.
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4349775 |
Temperature compensated voltage regulator for photovoltaic charging systems
A voltage regulator for use in photovoltaic charging of storage batteries includes a temperature compensated reference voltage. The circuitry of the invention permits fixed temperature coefficient...
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4328456 |
Camera with solar batteries connected in series or parallel
A charge circuit for secondary batteries. The charge circuit encompasses a control circuit having as a power source accumulators chargeable with the current resulting from the electromotive force...
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4327318 |
Source shedding regulator
A voltage regulator for controlling the photovoltaic charging of storage batteries selectively includes or sheds portions of the photovoltaic array into or from the charging system.
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4327316 |
Battery recharging solar cell arrangement for an automotive vehicle
In a battery recharging arrangement for an automotive vehicle, one or more solar batteries, together with recharging current control means to charge an automotive vehicle battery, are disposed with...
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4320477 |
Energy system for electronic watch
An energy system for powering an electronic watch having a digital or analog time display, the system comprising a primary power source, such as a thermoelectric generator or solar cell, whose...
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