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536results about How to "Heat suppression" patented technology

Solar collector and method

InactiveUS20050126560A1Avoid spreadingControl the amount of heating of the receiverSolar heating energySolar heat collector controllersElectricityEngineering
An apparatus and method for collecting solar energy are provided. The apparatus is a trough-type solar collector having one or more mirrors and lenses for directing solar radiation toward a receiver configured to receive a heat transfer fluid therein. The amount of solar radiation directed toward the receiver can be controlled by adjusting one or more of the mirrors and / or lenses or by adjusting a shade. Thus, the collector can direct different amounts or solar radiation toward the receiver, thereby selectively heating the receiver at different rates, e.g., to preheat the receiver, to heat fluid in the receiver for power generation, or to thaw solidified fluid in the receiver. Subsequently, the heated fluid can be used to generate steam and / or electricity.
Owner:UNITED TECH CORP +2

Solar collector and method

InactiveUS20060225729A1Control the amount of heating of the receiverAvoid spreadingSolar heating energySolar heat collector controllersElectricityEngineering
An apparatus and method for collecting solar energy are provided. The apparatus is a trough-type solar collector having one or more mirrors and lenses for directing solar radiation toward a receiver configured to receive a heat transfer fluid therein. The amount of solar radiation directed toward the receiver can be controlled by adjusting one or more of the mirrors and / or lenses or by adjusting a shade. Thus, the collector can direct different amounts or solar radiation toward the receiver, thereby selectively heating the receiver at different rates, e.g., to preheat the receiver, to heat fluid in the receiver for power generation, or to thaw solidified fluid in the receiver. Subsequently, the heated fluid can be used to generate steam and / or electricity.
Owner:SOLARRESERVE TECH

High heat resistance composite separator for lithium secondary battery and lithium secondary battery including same

Disclosed is a high heat resistance composite separator including a porous substrate having a plurality of pores, an inorganic coating layer formed on one surface of the porous substrate, the inorganic coating layer including a plurality of inorganic particles and a binder polymer disposed on a portion or all of surfaces of the inorganic particles to connect and bind the inorganic particles, and a high heat resistance polymer coating layer formed on the other surface of the porous substrate, the high heat resistance polymer coating layer including a high heat resistance polymer and inorganic particles dispersed in the high heat resistance polymer.
Owner:SOLAREDGE TECH KOREA LTD CO

Resin-sealed electronic apparatus for use in internal combustion engines

A less-deformable resin-sealed electronic apparatus of high reliability capable of increasing the robustness (long life-time) of soldered portions of a power semiconductor device for use in internal combustion engines while increasing the physical stiffness of an overall apparatus structure for achieving enhanced resistance to flexure or bending stresses is provided. A hybrid IC substrate 2 and power semiconductor device 3 are mounted on a metallic heat sink 1. The power semiconductor device 3 is coupled and contacted with the heat sink 1 by use of an Sn-Sb alloy-based solder material 4. The power semiconductor device 3 and hybrid IC substrate 2 plus heat sink 1 as well as input / output terminals 6-1 to 6-3 are embedded in a package 7 except for part of the input / output terminals, which package is made of epoxy at 70 to 90 weight percent (%) of an inorganic loading or filler material as machined by transfer mold techniques.
Owner:HITACHI LTD +1

Light-emitting diode drive device and light-emitting diode illumination control method

Disclosed is a light-emitting diode drive device that improves the utilization efficiency and power factor of LEDs while maintaining power supply efficiency. Said light-emitting diode drive device is provided with: a rectification circuit (2) that can be connected to an AC power supply and rectifies the AC voltage from said AC power supply into a pulsed voltage; a first LED block (11) comprising a plurality of light-emitting diodes, a second LED block (12) comprising a plurality of light-emitting diodes, and a third LED block (13) comprising a plurality of light-emitting diodes, connected sequentially in series to the output side of the rectification circuit (2); a first switching means that turns a first bypass path (BP1), which bypasses the second LED block (12), on or off on the basis of the amount of power supplied to the first LED block (11); and a second switching means that turns a second bypass path (BP2), which bypasses the third LED block (13), on or off on the basis of the amount of power supplied to the first LED block (11) and the second LED block (12).
Owner:NICHIA CORP
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