Products

Thin-Film Thermal Charger Application

Nextreme Thermal Solutions (Durham, NC) and Infinite Power Solutions (Denver, CO) have developed a thermal charger with the ability to continuously recharge the IPS THINERGY ™ Micro-Energy Cell (MEC) using an eTEG thermoelectric power generator from Nextreme. The prototype thermal charger uses an array of 16 HV14 modules in power generation mode to provide the 4.1 volts of electricity needed to charge the MEC to a fully charged state in approximately 20 minutes. Four HV14 power generators can replace one AA battery. Nextreme’s eTEG™ HV14 has demonstrated output power levels of >16 mW at ΔT of 70°C and >45mW at T of 120°C. With modules measuring 1.8 mm x 1.5 mm, the eTEG HV14 has corresponding output power densities of ~ 0.6 and 1.6 W/cm². Nextreme’s eTEG devices generate electricity via the Seebeck Effect, where an electrical current is produced from a temperature gradient across the device.

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High-Energy Fiber Laser

Fianium (Eugene, OR) has introduced the FP1060-HE high-energy fiber laser that delivers pulse energies in excess of 10 μJ and pulse durations below 20 ps. The laser platform is suitable for challenging materials including polymers, glasses, organic tissue, and reflective metals. The system features an external modulator that allows pulse repetition rates from single shot to 20 MHz and enables highly flexible pulse shaping and burst-mode operation. The peak power may be enhanced to greater than 5MW by compressing the pulses below 500 fs. Optional frequency conversion to green or UV wavelengths is also available.

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High Heat Pumping Thermoelectric Device

Nextreme Thermal Solutions (Durham, NC) introduces an updated version of the OptoCooler HV14 that enables assembly temperatures as high as 320°C. The RoHS-compliant OptoCooler HV14 module is a high heat pumping thermoelectric device designed for standard electrical power requirements.

Posted in: Products, Products, Thermoelectrics

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A Designer's Carbon Calculator

Rocky Mountain Institute has released Green Footstep - a free online tool for architects, engineers, and developers, which reveals design targets to achieve carbon neutrality in building construction and retrofit projects.

Posted in: Building Technologies, Climate, News, Products, Products, Greenhouse Gases

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Reflective Switch Employed in Wind Turbines for RPM Sensing

The OPB732 Series long distance infrared reflective switch from TT electronics OPTEK Technology (Carrollton, TX) has been employed in a 6kW wind turbine for RPM sensing. Placed at the turbine rotor, the switch is used internally to sense RPMs, and that data is then transmitted to a customer-accessible Web site via GPRS.

Posted in: Products, Products, Energy Efficiency, Renewable Energy, Wind Power

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ASDX Series of silicon pressure sensors

Honeywell Sensing and Control, Minneapolis, MN, has introduced the ASDX Series of silicon pressure sensors with pressure ranges of 15, 30, and 100 psi.

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Stepper Motor and Driver/Controller

The CRK Series five-phase stepping motors and drivers/controllers from Oriental Motor USA Corp. (Torrance, CA) have a built-in RS-485 controller package that controls up to 16 axes of motion. Five network communications rates of up to 115,000 bps can be selected. The controller can be operated in either direct command mode, standalone mode, or by selecting stored programs to run via I/O.

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