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5544703 Plate heat exchanger
VIII
PatentsALERT
5544696 ENHANCED NUCLEATE BOILING HEAT TRANSFER FOR ELECTRONIC COOLING AND THERMAL ENERGY TRANSFER Leland John E Beavercreek, OH, UNITED STATES assigned to The United States of America as represented by the Secretary of the Air Force A micro consideration of the phase change or boiling cooling of an electronic part is disclosed including focus on a heat exchanging problem that is encountered in the use of this phase change cooling in the presence of realistic flow rates and energy dissipations. The combination of coolant flow and projection of the cooled part into the coolant stream flow is shown to result in difftculties that make such cooling less desirable for electronic and other purposes without use of improvement such as, is achieved in the present invention. Preclusion of these difficulties (involving coolant vapor) by the addition of a small geometric shape or other vapor-considered alterations of the cooled part environment are also disclosed. Results of the achieved improved cooling are shown in graphic relationships. The disclosed invention is couched in terms of electronic part cooling but is applicable to a variety of other heat exchange situations.
exchanger by the fuel. The second circuit of the heat exchanger includes first and second outlets in succession with a portion of the oil being removed prior to completion of flow through the heat exchanger and channeled to one or more of the sumps. The remaining portion of the oil in the heat exchanger is removed after completion of flow therethrough at a lower temperature than that of the first portion and is channeled to a predetermined one of the sumps for providing cooler oil thereto.
5544703 PLATE HEAT EXCHANGER Jouml el Richard; Nicolas Rober; Claude Rousse; Fabrice Chopard Eybens, FRANCE assigned to Vicar-b This plate heat exchanger with parallel and counterflow circulation of the heat-exchange fluids is constructed by stacking a determined number of ribbed plates of the same size, clamped against one another between two flanges, said plates having openings in their comers, defining, within the stack, supply and outlet channels respectively for the heat-exchange fluids. The plates are made of bulk machined graphite, previously impregnated with a waterproofing material, and in particular a resin.
5544700 5545292 METHOD AND APPARATUS FOR PREFERENTIAL COOLING Shagoury John Reading, MA, UNITED STATES assigned to General Electric Company A heat exchanger includes fast and second circuits disposed in a counterflow configuration for respectively channeling first and second fluids. In one embodiment, the first circuit is joined to an aircraft engine fuel tank with the fmt fluid or fuel being a heat sink, and the second circuit is joined to a plurality of aircraft engine oil sumps, with the second fluid or oil being cooled in the heat
KRAFT SMELT SOLIDIFICATION IN A FLUIDIZED BED REACTOR Empie H Jef Acworth, GA, UNITED STATES assigned to Institute of Paper Science and Technology Inc An improved black liquor recovery system for use in a krafi pulping mill is provided. Molten kraft smelt from a black liquor recovery boiler or recovery system is fed into a fluidized bed reactor where it is cooled and solidified to form solid kraft smelt particles. The solid kraft smelt particles are
PatentsALERT
5544696 ENHANCED NUCLEATE BOILING HEAT TRANSFER FOR ELECTRONIC COOLING AND THERMAL ENERGY TRANSFER Leland John E Beavercreek, OH, UNITED STATES assigned to The United States of America as represented by the Secretary of the Air Force A micro consideration of the phase change or boiling cooling of an electronic part is disclosed including focus on a heat exchanging problem that is encountered in the use of this phase change cooling in the presence of realistic flow rates and energy dissipations. The combination of coolant flow and projection of the cooled part into the coolant stream flow is shown to result in difftculties that make such cooling less desirable for electronic and other purposes without use of improvement such as, is achieved in the present invention. Preclusion of these difficulties (involving coolant vapor) by the addition of a small geometric shape or other vapor-considered alterations of the cooled part environment are also disclosed. Results of the achieved improved cooling are shown in graphic relationships. The disclosed invention is couched in terms of electronic part cooling but is applicable to a variety of other heat exchange situations.
exchanger by the fuel. The second circuit of the heat exchanger includes first and second outlets in succession with a portion of the oil being removed prior to completion of flow through the heat exchanger and channeled to one or more of the sumps. The remaining portion of the oil in the heat exchanger is removed after completion of flow therethrough at a lower temperature than that of the first portion and is channeled to a predetermined one of the sumps for providing cooler oil thereto.
5544703 PLATE HEAT EXCHANGER Jouml el Richard; Nicolas Rober; Claude Rousse; Fabrice Chopard Eybens, FRANCE assigned to Vicar-b This plate heat exchanger with parallel and counterflow circulation of the heat-exchange fluids is constructed by stacking a determined number of ribbed plates of the same size, clamped against one another between two flanges, said plates having openings in their comers, defining, within the stack, supply and outlet channels respectively for the heat-exchange fluids. The plates are made of bulk machined graphite, previously impregnated with a waterproofing material, and in particular a resin.
5544700 5545292 METHOD AND APPARATUS FOR PREFERENTIAL COOLING Shagoury John Reading, MA, UNITED STATES assigned to General Electric Company A heat exchanger includes fast and second circuits disposed in a counterflow configuration for respectively channeling first and second fluids. In one embodiment, the first circuit is joined to an aircraft engine fuel tank with the fmt fluid or fuel being a heat sink, and the second circuit is joined to a plurality of aircraft engine oil sumps, with the second fluid or oil being cooled in the heat
KRAFT SMELT SOLIDIFICATION IN A FLUIDIZED BED REACTOR Empie H Jef Acworth, GA, UNITED STATES assigned to Institute of Paper Science and Technology Inc An improved black liquor recovery system for use in a krafi pulping mill is provided. Molten kraft smelt from a black liquor recovery boiler or recovery system is fed into a fluidized bed reactor where it is cooled and solidified to form solid kraft smelt particles. The solid kraft smelt particles are