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Heat Exchange > With Timer, Programmer, Time Delay, Or Condition Responsive Control > Having Heating And Cooling Capability Having Heating And Cooling CapabilityHaving Heating And Cooling Capability patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.02/23/06 - 20060037742 - Cogeneration system A cogeneration system including an engine, which drives a generator to generate electricity, a cooling/heating unit, which comprises at least one compressor, a four-way valve, an outdoor heat exchanger, an expansion device, and an indoor heat exchanger, to establish a heat pump type refrigerant cycle, a pre-heat supplier to supply ... 08/25/05 - 20050183854 - Fast heating and cooling apparatus for semiconductor wafers The present invention is directed to an apparatus and process for heating and cooling semiconductor wafers in thermal processing chambers. In particular, the apparatus of the present invention includes a cooling device for actively cooling the wafers after the wafers have been heated. During use, the cooling device can be ... 06/02/05 - 20050115703 - Feed-back control system for heat exchanger with natural shedding frequency The invention relates with the feed-back control system of a heat exchanger by use of the flow resonance phenomenon which maximizes the heat transfer efficiency by generating the flow disturbances of a heat transfer medium. If a heat transfer medium is periodically stimulated at the characteristic frequency of a heat ... ### FreshPatents.com Support |