Colorado Energy Research Technologies, LLC

Lee L Johnson

Wayne J Powell

Robert D Boehmer

Donald E Lenci

Ken Swartz

Devices, systems and methods for processing cellulosic material to produce fermentable sugars are provided. Devices, systems and methods for increasing fermentation rates of microbes via biostimulation are provided. Electrodes are preferably positioned along an interior or exterior of a tube-shaped component to administer electromagnetic/electric pulses to a solution comprising a microbe. Systems can advantageously be used in new biofuels production plants, or in existing biofuels production plants without the need for significant retrofits.

Systems and methods of improved fermentation

The inventive subject matter provides a circuit and a method for efficiently charging a battery. In one aspect of the invention, the circuit includes a constant current circuit configured to provide a direct current through the battery. The circuit also includes a pulsing current circuit that works with the constant current circuit and configured to simultaneously provide a series of pulsed current to the battery. In some embodiments, the series of current pulses includes constructive resonant ringing that is constructive with respect to the charging of the battery.

Power recovery controller

The inventive subject matter provides systems and methods for efficiently charging a battery of a vehicle using a regenerative braking system. In one aspect of the invention, the battery charging system includes a regenerative braking system that is configured to convert mechanical energy from braking of the vehicle into electrical energy. The battery charging system also includes a bank of capacitors that is configured to store the electrical energy generated by the regenerative braking system. The battery charging system also includes a circuit that is configured to feed into the battery at least a portion of the electrical energy stored in the bank of capacitors as a series of current pulses at a frequency that corresponds to a resonant frequency of the battery. The series of pulses includes constructive resonant ringing that is constructive with respect to charging the battery.

Systems and methods for efficiently charging power recovery controller

The inventive subject matter provides a circuit and a method for efficiently charging a battery. In one aspect of the invention, the circuit includes an oscillator that generates a series of current pulses at a frequency that corresponds to a resonant frequency of the battery. In some embodiments, the series of current pulses includes constructive resonant ringing that is constructive with respect to the charging of the battery. The constructive resonant ringing includes decaying oscillation of currents generated in response to a current pulse.

The inventive subject matter provides a circuit and a method for efficiently operating a lighting device, such as a light-emitting diode and a fluorescent lamp. In one aspect of the invention, the circuit includes an oscillator that generates a series of current pulses at a frequency that is at least 50,000 Hz and that corresponds to a resonant frequency of the circuit including the lighting device. The series of pulses is operated at a low duty cycle of no more than 15%. The lighting device has a manufacturer's specification for current consumption and power consumption for a specified luminosity. The circuit provides a current to the lighting device at no more than 1/500 of the manufacturer's specification to produce at least the specified luminosity. The lighting device also operates within the circuit at no more than 50% of the manufacturer's specification to produce the specified luminosity.

Circuit for driving lighting devices

Devices, systems and methods for increasing fermentation rates of microbes via biostimulation are provided. Electrodes are preferably positioned along an interior or exterior of a tube-shaped component to administer electromagnetic/electric pulses to a solution comprising a microbe. Systems can advantageously be used in new biofuels production plants, or in existing biofuels production plants without the need for significant retrofits.

Flow tube reactor

The inventive subject matter provides a circuit and a method for efficiently charging a battery. In one aspect of the invention, the circuit includes an oscillator that generates a series of current pulses at a frequency that corresponds to a resonant frequency of the battery. Each pulse in the series includes ringing oscillations that includes a main pulse and a group of ringing decaying pulses. The group of ringing decaying pulses includes pulses with gradually smaller amplitudes over time until the pulses completely die out.

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Littleton, CO, United States of America

Lee L Johnson