Crystallization Of Supercooled Liquid Patents (Class 126/263.03)
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Patent number: 10871311Abstract: A case for an electronic device includes a housing for enclosing the electronic device and a removable heating device that may be placed in or on the housing for warming the electronic device without electricity from the electronic device. The removable heating device includes a pouch enclosing a supersaturated solution and a metal disk. The super saturated solution in the pouch undergoes an exothermic reaction when the disk is actuated.Type: GrantFiled: December 27, 2018Date of Patent: December 22, 2020Assignee: Honeywell Federal Manufacturing & Technologies, LLCInventor: Joshua Oliver Coulter
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Patent number: 10386122Abstract: A nucleation device for changing a phase of a heat storage material from a liquid state to a solid state includes a plurality of substrates in close contact with each other in the heat storage material, and a pressing part that presses a portion of the plurality of substrates so as to elicit a change in the state of close contact of the plurality of substrates.Type: GrantFiled: October 28, 2016Date of Patent: August 20, 2019Assignee: KITAGAWA INDUSTRIES CO., LTD.Inventors: Shinji Nishida, Hiroto Yoshino, Teruaki Yuoka
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Patent number: 10359237Abstract: A heat storage material composition, at least containing at least one organic compound selected from ethanol, ethylene glycol, propylene glycol, and acetic acid, sodium acetate, and water, wherein a content of the water is 72.4 to 100 parts by mass, relative to 100 parts by mass of the sodium acetate; an auxiliary heat source and a heat supply method, using the heat storage material composition.Type: GrantFiled: February 6, 2015Date of Patent: July 23, 2019Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Takahiro Shimura, Masami Ikeda, Toshiaki Nakamura, Yoshikazu Tsuzuki, Tatsuya Minami
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Patent number: 10098382Abstract: The present invention relates to a smoke-free cigarette with a thermal unit for the autarkical generation of heat and a nicotine reservoir in which nicotine or a nicotine-containing compound is contained, wherein the thermal unit comprises a crystallizable medium which releases heat during its crystallization.Type: GrantFiled: April 28, 2015Date of Patent: October 16, 2018Assignee: Olig AGInventor: Marcel Köller
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Patent number: 9758710Abstract: A heat storage material composition contains a sugar alcohol and a stabilizer that allows the sugar alcohol to maintain a liquid state and a supercooled state. The stabilizer is one selected from (i) a salt that has a solubility of 9 g or more in 100 mL of 20° C. water and gives a monovalent anion, (ii) a polymer prepared by using the salt as a monomer, and (iii) a polymer having a molecular weight of 7,000 or more and 4,000,000 or less prepared by using, as a monomer, an alcohol having a solubility of 9 g or more in 100 mL of 20° C. water.Type: GrantFiled: September 17, 2015Date of Patent: September 12, 2017Assignee: PANASONIC CORPORATIONInventors: Motohiro Suzuki, Hironobu Machida, Shinsuke Takeguchi, Kentaro Shii, Izumi Hirasawa, So Morioka
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Patent number: 9028537Abstract: A heat pack for warming the heel of an infant with a front panel and a rear panel wherein the rear panel is adapted for placement on the infant's heel and has an outer layer formed of a nonwoven material which may be wetted. A band is provided for attaching the heat pack to the infant's heel. Heat from the heat pack effectively drives water applied to the nonwoven material into the infant's heel where it is then trapped in the skin under the heat pack. By thus moisturizing and softening the skin, a puncture necessary for taking a blood sample is eased.Type: GrantFiled: January 30, 2013Date of Patent: May 12, 2015Inventor: Dale E. Walters
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Patent number: 8443793Abstract: A heating apparatus includes an elongated flexible envelope (4) comprising two sheets (6), (8) that are attached to each other along permanent side seams (10), (12) and along a permanent bottom seam (14) and a moisture-activated chemical heater (16) disposed inside envelope (4), wherein envelope (4) is folded over on itself and secured by temporary side seams (18), (20) and a permanent top seam (22) to form a continuous moisture barrier surrounding the moisture activated chemical heater (16) and wherein heater (2) may be opened for use by removing top seam (22) and unfolding envelope (4) by unpeeling temporary seals (18), (20) to provide unfolded envelope (4), wherein sheets (6) and (8) remain sealed along permanent seams (10), (12) and (14), but wherein envelope (4) now has an open top end (30).Type: GrantFiled: April 4, 2005Date of Patent: May 21, 2013Assignee: Innophos, Inc.Inventors: Vincent Payen, Michael Wadlinger, Joseph Mitchell, Robert Finn, George Carl Harmsen, Dennis L. Myers
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Patent number: 8431387Abstract: Exothermic and/or endothermic chemical reactions in combination with phase change materials can produce output temperature(s) within strict tolerances without requiring expensive and complicated external equipment to generate and maintain an output temperature. Similarly, an exothermic phase change material, which generates heat as a consequence of crystallizing a supercooled liquid, can generate heat at a constant temperature, without requiring expensive and complicated external equipment, as a consequence of the liquid form of the exothermic phase change material being in equilibrium with the solid form of the exothermic phase change material. Numerous biological and chemical processes and/or diagnostic devices require a constant temperature or temperatures for set periods of time.Type: GrantFiled: June 6, 2008Date of Patent: April 30, 2013Assignee: Program for Appropriate Technology In HealthInventors: Paul Donald LaBarre, Jay Lewis Gerlach, Bernhard Hans Weigl, Gonzalo Jose Domingo-Villegas
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Patent number: 8387612Abstract: Heating units, drug supply units and drug delivery articles capable of rapid heating are disclosed. Heating units comprising a substrate and a solid fuel capable of undergoing an exothermic metal oxidation reaction disposed within the substrate are disclosed. These heating units can be actuated by electrical resistance, by optical ignition or by percussion. Drug supply units and drug delivery articles wherein a solid fuel is configured to heat a substrate to a temperature sufficient to rapidly thermally vaporize a drug disposed thereon are also disclosed.Type: GrantFiled: June 16, 2009Date of Patent: March 5, 2013Assignee: Alexza Pharmaceuticals, Inc.Inventors: Ramesh Damani, Ron L. Hale, Daniel J. Myers, Reynaldo J. Quintana, Dennis W. Solas, Soonho Song, Pravin Soni, Curtis Tom, Kirshnamohan Sharma
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Publication number: 20130008428Abstract: A container cap or lid or insert for use in heating food and beverage containers having an independent heating chamber in which are utilized a trigger capable of initiating crystallization of a super-cooled salt solution comprising: a thin metallic strip which is bendable with snap displacement having a centrally located crystallization strike zone consisting of an orifice with a saw-toothed patterned inner diameter; a simple actuation means for initiating the heating process upon contact with the strike zone; and a structure for holding the trigger in position. The independent heating chamber can be made to be a permanent fixture of the cap or lid or may be a removable insert.Type: ApplicationFiled: April 9, 2012Publication date: January 10, 2013Inventors: David D. Leavitt, John R. Bergida
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Patent number: 7942145Abstract: A rechargeable, self-heating food container includes an inner chamber with a supersaturated salt solution and trigger means for initiating crystallization of the supersaturated salt solution. A rechargeable element for heating food includes a cylinder containing a supersaturated salt solution sealingly insertable into a food container, with a trigger in fluid contact with the supersaturated salt solution. A method of heating a food container includes providing a food container with an internal chamber, a supersaturated salt solution contained in the internal chamber, and a trigger to initiate crystal nucleation within the supersaturated salt solution in an exothermic reaction; and recharging by heating the food container until the salt crystals melt, and cooling the salt solution to a supersaturated state. A portable recharger for a rechargeable heating element includes an insulated sleeve with electric resistive heating element pluggable into an automobile or conventional ac outlet.Type: GrantFiled: April 16, 2007Date of Patent: May 17, 2011Inventors: Travis Palena, Morris Torseth, Mark E. Beatty
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Patent number: 7708009Abstract: The present invention generally relates to a reusable personal heating system including a sealed container filled with a supercooled supersaturated solution and an activator located in a fixed position within the container which triggers an exothermic crystallization process when depressed. The removable and reusable personal heating system fits into a garment worn under other clothing and is easily activated through other clothing. The present invention provides a personal heating system that allows the wearer to participate in outdoor activities in cold conditions while permitting ease of mobility and range of motion.Type: GrantFiled: February 7, 2008Date of Patent: May 4, 2010Inventor: Kenneth Randall Collins
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Patent number: 6878157Abstract: A trigger to activate a supercooled aqueous salt solution wherein the solution is encased in a flexible container to form a heat pack, the trigger made of dry or partially dry particles adhering to a support so that when the trigger is manipulated, allowing the dry or partially dry particles to be released and contact the supercooled salt solution, crystallization is initiated and heat is released.Type: GrantFiled: November 20, 2001Date of Patent: April 12, 2005Inventor: Matthew Walters
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Publication number: 20040112366Abstract: A portable, self-heating thermal cushion for use in conjunction with a seating surface to provide a heated and thermally insulated seating region of sufficient size to extend underneath the buttocks of the user, the cushion being in the form of a composite laminated structure comprising a backsheet, a topsheet and an intermediate layer of a heat generating material, said intermediate layer being in thermal contact with the seating region of the cushion so as to provide a heating region generally coextensive with the seating region for warming the buttocks of the user.Type: ApplicationFiled: September 15, 2003Publication date: June 17, 2004Applicant: The Procter & Gamble CompanyInventors: Michael C. Addison, Graeme D. Cruickshank
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Publication number: 20040065314Abstract: Apparatus, systems and methods are provided for the warming of materials. In an embodiment, the heat for warming the materials is provided by an activatable heating substance, such as a supercooled salt solution. In an embodiment, an apparatus maintains fluid at a preselected temperature for prolonged durations. In an embodiment, an apparatus may be sterilized for deployment in a sterile surgical field. In an embodiment, an apparatus may be reused. In an embodiment, an apparatus is adapted for easy pouring of contents.Type: ApplicationFiled: June 26, 2003Publication date: April 8, 2004Inventors: James H. Layer, Kenneth Solovay, Thomas P. Jacobs
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Patent number: 6537309Abstract: The invention discloses a reusable heat pack comprising a soft sealed plastic bag containing a mixture of supercooled supersaturated recrystalizable solution of inorganic substance, alcohol, chemical compound additives, and means to trigger recrystallization of supercooled supersaturated recrystalizable solution of inorganic substance.Type: GrantFiled: March 26, 2001Date of Patent: March 25, 2003Assignee: Council of Scientific and Industrial ResearchInventors: Chattrapal Sharma, Rajendra Kumar Sharma, Chandra Kant, Ajit Kumar Sarkar
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Publication number: 20020020407Abstract: The present invention relates to a mujlti-compartment pack for colling or heating products. The pack includes a first compartment with a solid matter or a liquid and a second compartment with a liquid wherein the first and second compartment are separated by a removable wall.Type: ApplicationFiled: June 13, 2001Publication date: February 21, 2002Inventors: William Carl Wohland, Rene Thomas Rivero
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Publication number: 20020017291Abstract: A self-heating container (10) has an internal cavity (22) for its contents and an external cavity (20) for a heating mechanism, for example, comprised of first and second chemically reactive materials which are arranged to be mixed when heating is required. A closure (30) closes the external cavity (20). When the heating mechanism is operated to mix the chemicals and cause an exothermic reaction, vapor, such as steam and hot air, is produced. The vapor is constrained to flow to the exterior of the closure (30) through grooves (62) therein. A sleeve (60) is arranged around the container (10) contiguous to the closure (30) such that the exiting vapor is constrained to flow between the sleeve (30) and the can (10). By this means, a user of the can is protected from coming into contact with the hot steam and air and the heat in the vapor generated can enhance the heating process.Type: ApplicationFiled: August 27, 2001Publication date: February 14, 2002Inventors: Matthew J. Searle, Robert N. Richardson
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Patent number: 6318359Abstract: A heat pack containing a super-cooled aqueous solution is provided comprising a flexible container having at least two compartments separated by a rupturable seal housing an aqueous solution in one compartment and having the other compartment remain empty.Type: GrantFiled: April 12, 2000Date of Patent: November 20, 2001Inventors: George Schmidt, Jeffrey Thomas Whitely
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Patent number: 6309598Abstract: An electrochemical heating pad includes a corrugated sheet having alternating peaks and valleys defining channels of elongated compartments having sidewalls between the peaks and valleys. A dry mixture operable to be wetted and activated with an electrolyte to generate heat through electrochemical reactions is disposed in at least some of and preferably all of the elongated compartments. The channels are covered with a base sheet on or a porous sheet to form the compartments. The corrugated sheet is preferably made from cardboard and the porous sheet is made from non-woven polypropelene. One dry mixture of the invention includes Magnesium in a range of 80% to 95% by weight, Iron in a range of 3% to 6% by weight, and Calcium Nitrate in a range of 1% to 2% by weight. Another mixture includes about 83.5% Magnesium by weight, about 4.0% Iron by weight, about 11.0% salt by weight, and about 1.5% Calcium Nitrate by weight.Type: GrantFiled: February 8, 2000Date of Patent: October 30, 2001Inventor: Thomas J. Tully
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Patent number: 6283116Abstract: A triggering element for a portable heat pack having a sealed bag capable of transferring heat and a sodium acetate solution that generate a crystallization heat contained in said sealed bag. The triggering element comprises a thin, flexible strip of stainless steel; the strip having an oval shape with the length and a center portion formed in a bowl-shaped configuration with one surface depressed inward to form a concave shape surface and the convex surface opposite side with a protruded surface, and the depth of the center portion depressed inward. The strip has an the outer annular portion and a plurality of slits cut through said center portion.Type: GrantFiled: February 10, 2000Date of Patent: September 4, 2001Inventor: Yong Sung Yang
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Patent number: 6247469Abstract: A warmer for a sporting element used for striking another element, the sporting element to be warmed including a sidewall having a predetermined shape enclosing a space, the warmer including an inner layer of thermally conductive material defining a cavity having a shape adapted for receiving at least a substantial portion of the sporting element with the inner layer in intimate relation therewith; an outer layer of thermal insulating material at least substantially containing the inner layer; and an intermediate layer comprising at least one microwave heatable element or substance disposed between the inner layer and the outer layer. According to another aspect of the invention, the warmer can include a heatable element placeable within a hollow portion or cavity of a sporting element, the heatable element being heatable by placement in the warmer, or in a microwave oven.Type: GrantFiled: October 22, 1999Date of Patent: June 19, 2001Inventor: Tony Michael Guard
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Patent number: 6178963Abstract: Disclosed is a heat pack A heat pack comprising a flexible container; a solution which is filled in the container and generates a heat while be crystalizing; a trigger which is disposed in the container to be in contact with the solution, for making the solution generate the heat, wherein the trigger is a single coil spring, and the coil spring has windings in close contact with each other or the coil spring has windings which are partially contacted with each other.Type: GrantFiled: November 19, 1999Date of Patent: January 30, 2001Inventor: Chang-Pyoung Baik