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673results about How to "Facilitate heat exchange" patented technology

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.
Owner:LIGHTSAIL ENERGY

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.
Owner:LIGHTSAIL ENERGY

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.
Owner:LIGHTSAIL ENERGY

Method and Group for the Compression Molding of Preforms for Containers in Polymeric Material

The preform is formed by an upper neck which maintains unchanged its form in the final object and a hollow body, joined to the neck. The method foresees the insertion, within a matrix cavity, of a metered body of polymeric material whose mass is metered according to a reference value, and the subsequent pressure insertion of a punch within the matrix cavity until it closes the mold's molding chamber, the punch conferring the shape to the inner surface of the preform and the matrix having an inner surface which confers the shape to the outer surface of the preform. According to the invention, in the molding of the preform, the error of the mass of the metered body with respect to the reference value is distributed in the hollow body, which undergoes a subsequent hot deformation until it achieves the final shape. In the mold, the matrix comprises at least one deformable wall ( 31 ) whose inner surface defines at least part of the inner surface of the matrix part intended to give form to the hollow body of the preform, said deformable wall ( 31 ) having, at least in part, a relatively thin thickness which permits it to be elastically deformed under the pressure of the polymeric material in the final preform molding step, thereby varying the thickness of the hollow body.
Owner:SACMI COOP MECCANICI IMOLA S C R L

Calcination process of active lime

The invention discloses a calcination process of active lime. The calcination process adopts a preheating-suspension calcination device comprising a multi-stage cyclone preheating system, a decomposing furnace and a multi-stage cyclone cooler. The calcination process is characterized in that limestone powder which is broken and homogenized into blocks is ground into fine powder, the fine powder is placed in a storage tank for homogenization, then preheated by the multi-stage cyclone preheating system and sent to the decomposing furnace for calcination, thereby preparing the active lime, and the active lime is further cooled by the multi-stage cyclone cooler for obtaining the active lime; wherein the main control temperature of the decomposing furnace is 850-950 DEG C; and the calcination time is 3-5 seconds. The calcination process utilizes the preheating-suspension calcination reaction method for calcining the active lime, and fuel can use low-grade fuel-biluminous coal. Compared with the traditional process, the calcination time is short, the effective utilization rate of the lime product is high, the product quality is stable, the energy consumption is low, and a production region has no environmental pollution; meanwhile, the calcined active lime is the fine powder, the use is very convenient, and the range of applications is broader in comparison with the active lime calcined by the traditional process, thereby being conductive to promotion and implementation.
Owner:BEIJING LIULIHE CEMENT

Heat exchanger

In a heat exchanger, a tube is adapted to exchange heat between a first fluid flowing therein and a second fluid flowing through outside of the tube, and an inner fin is disposed in the tube to divide a flow passage in the tube into a plurality of flow paths. The inner fin includes a plurality of fin portions with different specifications, and the fin portions are arranged in series with respect to a flow direction of the first fluid. Furthermore, the fin portion with the smallest flowing resistance of the first fluid among the plurality of fin portions is arranged on an upstream side of the flow direction of the first fluid with respect to at least an another fin portion. Accordingly, heat exchange performance in the entire heat exchanger can be effectively improved.
Owner:DENSO CORP

Method and group for the compression molding of preforms for containers in polymeric material

The preform is formed by an upper neck which maintains unchanged its form in the final object and a hollow body, joined to the neck. The method foresees the insertion, within a matrix cavity, of a metered body of polymeric material whose mass is metered according to a reference value, and the subsequent pressure insertion of a punch within the matrix cavity until it closes the mold's molding chamber, the punch conferring the shape to the inner surface of the preform and the matrix having an inner surface which confers the shape to the outer surface of the preform. According to the invention, in the molding of the preform, the error of the mass of the metered body with respect to the reference value is distributed in the hollow body, which undergoes a subsequent hot deformation until it achieves the final shape. In the mold, the matrix comprises at least one deformable wall (31) whose inner surface defines at least part of the inner surface of the matrix part intended to give form to the hollow body of the preform, said deformable wall (31) having, at least in part, a relatively thin thickness which permits it to be elastically deformed under the pressure of the polymeric material in the final preform molding step, thereby varying the thickness of the hollow body.
Owner:SACMI COOP MECCANICI IMOLA SOC COOP A R L

Novel microelectronic device radiator

The invention relates to a novel microelectronic device radiator which comprises a planar heat pipe being two or more through hole array flat plate structures arranged side by side and formed by extrusion or punching of metal materials and the equivalent diameters of through holes range from 0.2mm to 6mm. The through holes are filled with liquid working substance and two ends of the planar heat pipe are encapsulated in a sealing manner; an evaporation section of the planar heat pipe is in surface contact with a heating surface of a microelectronic device and a condensation section of the planar heat pipe eliminates heat through a heat elimination component. The novel microelectronic device radiator overcomes the defects of small contact area between the current round heat pipe and the heating surface of the microelectronic device, large equivalent resistance of heat conduction and complex manufacture technology, and has the advantages of high heat elimination efficiency and simple technology.
Owner:GUANGWEI HETONG ENERGY TECH BEIJING CO LTD

Apparatus for mixing viscous material

ActiveUS20070159919A1Promote heat exchangeConstant thickness and widthLiquid degasificationFlow mixersImpellerEngineering
An apparatus for mixing viscous material includes a chamber having a cylindrical sidewall and a bottom and receiving viscous material to be mixed; a cylindrical draft tube fixed at an inside center of the chamber to be spaced from the bottom and the sidewall and forming a space between the draft tube and the sidewall to allow passage of the viscous material, and including a heat medium passage therein; a carrying impeller installed in the draft tube and driven by a motor to transfer the viscous material above or below the draft tube and suck the viscous material in the space into the draft tube; and a sweeping impeller installed in the space and rotated in a circumferential direction by a motor to apply a pressure to the viscous material so that the viscous material in the space is not adhered to the draft tube and the sidewall.
Owner:LG CHEM LTD
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