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Using Electrical Or Magnetic Effect

Using Electrical Or Magnetic Effect patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Refrigeration


Using Electrical Or Magnetic Effect



Method and system for magnetic semiconductor solid state cooling
05/28/15 - 20150143817 - Cryogenic electronics based upon semiconductive devices, superconductive devices, or a combination of the two present opportunities for a wide variety of novel, fast, and low power devices. However, such cryogenic electronics require cooling which is typically achieved through fluid refrigerants such as liquid nitrogen or liquid helium. Solid state refrigeration...

Magnetocaloric materials for cryogenic liquification
04/30/15 - 20150114007 - System and methods for cryogenic magnetocaloric refrigeration are provided. The system may include a magnetocaloric material including a single ion anisotropy and primary magnetic interactions of at most two dimensions. The system may also include a cryogenic fluid in communication with the magnetocaloric material, such that, when a magnetic field...

System for controlling thermal conductivity of electronic parts housing
04/16/15 - 20150101352 - A system for controlling thermal conductivity of a housing of an electronic part is provided. In particular, liquid is disposed within a hollow portion formed between an external wall body and an internal wall body of the housing and a magnetic field generating member is attached to an outer surface...

Magneto-caloric effect element and thermo-magnetic cycle apparatus
04/09/15 - 20150096307 - A magneto-caloric-effect element has a plurality of element units. The element units have lengths, respectively. The element units have different Curie temperatures, respectively. The element units demonstrate magneto-caloric effects. Two adjoining performance distribution crosses at a cross temperature. A temperature in the rated operational status between two adjoining element units...

Magnetic refrigerating device and magnetic refrigerating system
04/09/15 - 20150096308 - The magnetic refrigerating device according to one embodiment includes a fixed container filled with a refrigerant, the fixed container including a magnetic material container that is filled with a magnetic material and that can move in the fixed container and an elastic member provided at the end of the magnetic...

Magnetic air conditioner
04/02/15 - 20150089960 - A magnetic air conditioner includes heat generation disks of a hollow shape each having a magneto-caloric material and a thermal switch, and magnetic field application disks of a hollow shape each having a magnetic field application unit that applies a magnetic field to the magneto-caloric material, the heat generation disks...

Electrocaloric cooler and heat pump
03/26/15 - 20150082809 - System and methods are disclosed for controlled thermal energy transfer. The system includes a thermal energy source, a thermal energy sink, spaced apart from the thermal energy source, an electrocaloric structure carried by a suspension and configured for alternating physical movement between thermal communication with the thermal energy source and...

Thermal rectification device
03/26/15 - 20150082810 - The first and second media are coupled via evanescent waves generated by surface phonon polaritons thermally excited on surfaces of the first and second media. First and second media made of the same material are disposed with a gap formed between for cutting off thermal conduction and the heat transfer...

Optical refrigerator
03/19/15 - 20150075181 - An optical refrigerator comprises a laser source, a cooling crystal, a cavity for enhancing the absorption of the laser light in the cooling crystal, a thermal link which connects a cold finger to the cooling crystal and prevents the fluorescence from heating the cold finger, an absorbing chamber to remove...

Methods to improve the performance of electrocaloric ceramic dielectric cooling device
03/19/15 - 20150075182 - A cooling device, which can cause cooling or heat-pumping, comprising: multilayer electrocaloric ceramic modules as a refrigerant where said modules are comprised of modified BaTiO3 or bismuth based solid solution with PbTiO3, wherein said modules have more than one ferroelectric phase in generating an electrocaloric effect....

Polarization insert for a cryogenic refrigerator
03/19/15 - 20150075183 - A method includes pneumatically expelling a sample of magnetically polarized material along a pneumatic flow path from a cryogenic environment....

Device and method for forming a temperature gradient
03/12/15 - 20150068218 - The invention relates to a device (1) for forming a temperature gradient, having at least one gas-tight working chamber (9) having a cathode (8) and an anode (7), wherein an inhomogeneous electric field can be generated when an electric voltage is applied between the cathode (8) and anode (7) in...

High porosity particulate beds structurally stabilized by epoxy
03/12/15 - 20150068219 - The present invention provides a porous thermal regenerator apparatus and method of making a porous thermal regenerator comprised of metallic or intermetallic particles that are held together in a porous three dimensional network by a binding agent (such as epoxy). One aspect of the apparatus is that the porosity of...

Bonded la(fe,si)13-based magnetocaloric material and preparation and use thereof
02/19/15 - 20150047371 - Provided is a high-strength, bonded La(Fe, Si)13-based magnetocaloric material, as well as a preparation method and use thereof. The magnetocaloric material comprises magnetocaloric alloy particles and an adhesive agent, wherein the particle size of the magnetocaloric alloy particles is less than or equal to 800 μm and are bonded into...

Regenerative electrocaloric cooling device
02/05/15 - 20150033762 - A regenerative electrocaloric (EC) device is provided. The regenerative EC device uses a special configuration to expand the temperature span Th-Tc, thereby increasing the cooling power and improving the efficiency thereof. The EC regenerative cooling device includes two electrocaloric effect (ECE) elements/rings in direct thermal contact with each other. The...

Material for magnetic refrigeration and magnetic refrigeration device
02/05/15 - 20150033763 - A composite material for magnetic refrigeration is provided. The composite material for magnetic refrigeration includes a magnetocaloric effect material having a magnetocaloric effect; and a heat conductive material dispersed in the magnetocaloric effect material. The heat conductive material is at least one selected from the group consisting of a carbon...

Cooling device including an electrocaloric composite
01/29/15 - 20150027132 - Cooling devices, heat pumps, and climate controlling devices employing an electrocaloric composite of high thermal conductivity and significant electrocaloric effect are disclosed. The electrocaloric composites include a combination of one or more EC-fluoropolymers and their blends with one or more electric-insulating fillers of high thermal conductivity....

Variable heat pump using magneto caloric materials
01/29/15 - 20150027133 - A heat pump system is provided that uses multiple stages of MCMs with different Curie temperature ranges. An adjustable fluid flow path is used whereby the number of stages through which a heat transfer fluid passes can be varied depending upon e.g., the amount of heating or cooling desired. In...

Magnetic cooling apparatus
01/08/15 - 20150007582 - A magnetic cooling apparatus including a plurality of magnetic regenerators including a plurality of magnetocaloric materials to emit heat when magnetized and to absorb heat when demagnetized. The magnetic regenerators are rotatably disposed on a circumference having a predetermined radius, at least one coil is disposed on the circumference and...

Magnetic cooling apparatus and method of controlling the same
12/18/14 - 20140366557 - A magnetic cooling apparatus having a plurality of cooling modules, where each of the cooling modules includes at least one magnetic regenerator allowing a heat transfer fluid to pass therethrough and filled with a magnetocaloric material; and a fluid supply device to supply the heat transfer fluid into the magnetic...

Magnetothermal pump device and method of operation
12/18/14 - 20140366558 - Magnetothermal pump devices are provided. Such devices can operate on the principle of thermally induced switching between open and closed states of a magnetic switch to generate mechanical oscillations. Exemplary devices provided include a thermal gradient and a magnet with a Curie temperature at or within this gradient. When the...

Module for warming and, alternately, for cooling
11/27/14 - 20140345296 - A module for warming and, alternately, for cooling, this module comprising an electrocaloric capacitor, an electrical energy storage device and a controllable circuit for transferring electrical energy between the electrocaloric capacitor and the energy storage device. The controllable circuit comprising an inductor connected between the electrocaloric capacitor and the storage...

Magnetic structure and magnetic air-conditioning and heating device using same
11/20/14 - 20140338365 - A magnetic structure has a magnetocaloric material the temperature of which changes with application or removal of a magnetic field, and a high thermal conduction member which is in contact with the magnetocaloric material and has higher thermal conductivity than the magnetocaloric material. Further, this magnetic air-conditioning and heating device...

Magnetocaloric heat generator
11/06/14 - 20140325996 - A magnetocaloric heat generator (1) which comprises at least one magnetocaloric unit (21) provided with at least one magnetocaloric material (3) in thermal contact with a heat transfer fluid (F) and at least one magnetic unit (41) capable of subjecting the magnetocaloric material (3) to a variable magnetic field. This...

Thermo-magnetic cycle apparatus
10/23/14 - 20140311165 - A vehicle air-conditioner has a magneto-caloric effect type heat pump apparatus (MHP apparatus). MHP apparatus has a magneto-caloric element (MCE element) which generates heat dissipation and heat absorption in response to strength change of an external magnetic field. The MCE element can demonstrate high performance when an element temperature is...

Heat pump with magneto caloric materials and variable magnetic field strength
10/16/14 - 20140305137 - A heat pump system is provided that uses MCM for heating or cooling. A magnetic field of decreasing flux intensity is used to decrease power consumption and reduce e.g., the size of one or more magnetic devices associated with creating the magnetic field. In one exemplary embodiment, the heat pump...

Thermo-magnetic cycle apparatus
10/16/14 - 20140305138 - A magneto-caloric effect type heat pump apparatus provides a thermo-magnetic cycle apparatus. A magnetic field modulating device has a rotary permanent magnet. By rotating the permanent magnet, magnetic field applied to a magneto-caloric element is modulated alternatively in a magnetized state and a demagnetized state. A magnetized period, when the...

Magnetic heating/cooling apparatus
10/16/14 - 20140305139 - [Means to solve Problem] A magnetic cooling/heating apparatus comprising: a heat transfer unit 1000A comprising a plurality of heat transfer devices 50-1, 50-2, . . . arranged in parallel at intervals, wherein the heat transfer device 50-1 comprises magnetic bodies 10A-10F with a magneto-caloric effect and heat-conductive parts 30A-30G that...

Conduction based magneto caloric heat pump
10/02/14 - 20140290273 - A heat pump is provided that uses multiple stages of MCMs to cause heat transfer between a heat receiving end and a heat transmitting end. Thermal blocks are placed along the direction of heat transfer at locations in the heat pump that preclude the transfer of heat in a direction...

First-order phase-transition la(fe,si)13-based magnetocaloric material showing small hysteresis loss and preparation and use thereof
10/02/14 - 20140290274 - The invention provides a first-order phase-transition La(Fe,Si)13-based magnetocaloric material showing small hysteresis loss, and preparation and use thereof. The material has a NaZn13-type structure, is composed of granules with a particle size in the range of 15˜200 μm and not less than 15 μm, and is represented by chemical formula...

Magnetocaloric heat generator
10/02/14 - 20140290275 - A magnetocaloric heat generator having an assembly of at least two magnetocaloric modules with a heat transfer fluid flowing through them. The cold ends of the modules are in fluidic communication via a cold transfer circuit and the hot ends are in fluidic communication via a hot transfer circuit. The...

Electrocaloric effect heat transfer device dimensional stress control
08/21/14 - 20140230453 - Technologies are generally described herein for electrocaloric effect heat transfer devices and methods effective to facilitate thermal energy transfer while mitigating mechanical stresses caused by expansion or contraction of electrocaloric effect material layers during thermal energy transfer operations. Some example heat transfer devices may include heat transfer stacks with at...

Temperature stabilization in semiconductors using the magnetocaloric effect
08/14/14 - 20140223922 - Apparatus and methods incorporate magnetocaloric materials in integrated circuit chip-carrier structures for electronic packages. An integrated circuit chip is electrically connected to a substrate. A thermostabilization unit is physically connected to the integrated circuit chip and the substrate. The thermostabilization unit comprises a temperature detector and magnetocaloric material on the...

Systems and methods for producing hyperpolarized materials and mixtures thereof
08/14/14 - 20140223923 - The present disclosure provides various methods and systems for manufacture, transport and delivery of material including highly polarized nuclei that is in a hyperpolarized state....

Multi-material-blade for active regenerative magneto-caloric and electro-caloric heat engines
08/07/14 - 20140216057 - The present invention describes the design and fabrication of Multi-Material-Blades used as active regenerative regenerators in active regenerative magneto-caloric or electro-caloric engines. The blades consist of a plurality of elements (2) that divide the blade body along its length. Each element (2) is made of a different magneto-caloric or electro-caloric...

Performance improvement of magnetocaloric cascades through optimized material arrangement
07/24/14 - 20140202171 - m: mass of the particular magnetocaloric material contained in the magnetocaloric cascade....

Magneto caloric heat pump with variable magnetization
07/10/14 - 20140190182 - A heat pump system that uses variable magnetization to control the amount of MCM subjected to a magnetic field is provided. More particularly, the amount of MCM subjected to a magnetic field can be selected based on the amount of refrigeration needed. As such, the heat pump system can be...

Magneto caloric device with continuous pump
06/19/14 - 20140165594 - A heat pump system having magneto caloric material positioned in a continuously rotating regenerator is provided. The magneto caloric material is staged so that as the regenerator is rotated, a portion of the material is cycled in and out of a magnetic field in a continuous manner. A heat transfer...

Use of unidirectional flow modes of magnetic cooling systems
06/19/14 - 20140165595 - A dual-mode magnetic refrigeration apparatus includes beds of magnetocaloric material, a magnet to apply a time-varying magnetic field to the beds, a heat transfer fluid (HTF), a pump to circulate the HTF, a hot side heat exchanger (HHEX), a cold side heat exchanger (CHEX), valves to direct flow of the...

Novel magnetic refrigerant materials
06/12/14 - 20140157793 - A novel magneto caloric material (MCM) is provided that can be used in, for example, a regenerator of a heat pump, appliance, air conditioning system, and other heating and/or cooling devices. The MCM is a type of Heusler alloy, has an L21 crystal structural prototype, and can undergo a reversible...

Magnetic refrigeration device and magnetic refrigeration system
05/15/14 - 20140130515 - According to one embodiment, a magnetic refrigeration device includes magnetic bodies, a magnetic field application unit, a thermal storage medium, and a heat transfer unit. The magnetic bodies are arrayed at an interval. The application unit applies and removes a magnetic field to and from the magnetic bodies, respectively. The...

Method and apparatus to hyperpolarize materials for enhanced mr techniques
05/08/14 - 20140123681 - An apparatus, system, and method for producing hyperpolarized samples for use in magnetic resonance systems. A sorption pump is incorporated into the apparatus to create a closed system for hyperpolarizing. Being a closed system, the apparatus and system loses no cryogen to atmosphere such that there is no need to...

Magnetic refrigeration material and magnetic refrigeration device
05/08/14 - 20140123682 - Provided is a magnetic refrigeration material which has a Curie temperature of not lower than 250 K, and provides refrigeration performance well over that of conventional materials when subjected to a field change up to 2 Tesla, which is assumed to be achievable with a permanent magnet. The magnetic refrigeration...

Magnetic material for magnetic refrigeration
05/01/14 - 20140116067 - where, R is at least one of element selected from the group consisting of La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb and Y, X is at least one of element selected from the group consisting of Ti, Zr and Hf, M is at least one...

Magnetic heating and cooling device
04/24/14 - 20140109597 - A magnetic heating and cooling device is provided that comprises a heat exchanger that includes a magnetic body having a magnetocaloric effect; a magnetic field applying and removing unit that selectively applies to or removes from the magnetic body a magnetic field; and a liquid refrigerant moving unit that reciprocates...

Electro-hydrodynamic cooling with enhanced heat transfer surfaces
04/03/14 - 20140090403 - The electronic control has an electric control which incorporates circuitry which will generate heat in use. A cooling channel placed in contact with at least one surface on the electric control. The cooling channel has a portion which receives an enhanced heat transfer surface. At least one electrode pair is...

Magnetic refrigerator
03/20/14 - 20140075958 - A magnetic body is provided to improve heat transport capability and heat transport efficiency. A magnetic body arranged plate has magnetic body units each including magnetic members. Low-temperature side and high-temperature side heat exchange units are disposed at ends of each magnetic body unit. Permanent magnets and heat conductive members...

Refrigeration through voltage-controlled entropy change
01/09/14 - 20140007592 - A method for refrigeration through voltage-controlled entropy change includes applying a voltage signal to a piezoelectric material to generate strain in the piezoelectric material, generating strain in a magnetic material attached to the piezoelectric material, and generating a change in a temperature of the magnetic material in response to the...

Magnetic refrigeration material
01/09/14 - 20140007593 - Provided is a magnetic refrigeration material which has a Curie temperature near room temperature or higher, and provides refrigeration performance well over that of conventional materials when subjected to a field change up to 2 Tesla, which is assumed to be achievable with a permanent magnet. The magnetic refrigeration material...

Apparatus for storing hydrogen and magnetic energy and a method for the operation of said apparatus
01/02/14 - 20140000288 - An apparatus for storing hydrogen and magnetic energy includes a storage tank for liquefied hydrogen with an inlet line for compressed hydrogen and an outlet line for hydrogen at a relatively low pressure. The apparatus includes a superconducting magnetic energy store, which comprises a magnetic coil relative to which electrical...

Magnetic heat pump system and air-conditioning system using that system
12/12/13 - 20130327062 - A magnetic heat pump system which arranges permanent magnets at the two sides of a magnetocalorific effect material to thereby strengthen the magnetic field to improve the cooling and heating ability, which magnetic heat pump system uses first and second magnets which move inside and outside of the containers in...

Magnetic cooling device
12/05/13 - 20130319012 - A magnetic cooling device is provided, including a magnetocaloric module and a magnetic unit movably disposed around the magnetocaloric module. The magnetocaloric module comprises a bed, a first magnetocaloric member, a second magnetocaloric member, and a third magnetocaloric member received in the bed, wherein the first and third magnetocaloric members...

Heat exchanging system
11/21/13 - 20130305741 - A heat exchanging system is provided for conditioning indoor temperature of a building. The heat exchanging system includes a magnetic refrigerator, an indoor heat exchanger and an outdoor heat exchanger. The indoor heat exchanger is thermally connected to the magnetic refrigerator. The outdoor heat exchanger is thermally connected to the...

Refrigerating method and refrigerating device with combinatoin of magnetic refrigeration and regenerative gas refrigeration
11/21/13 - 20130305742 - The present invention provides a refrigeration method combining magnetic refrigeration and gas-based regenerative refrigeration, the method comprises: replacing part of or all of regenerators (2) in a gas-based regenerative refrigerator with magnetic regenerators (2), wherein part of or all of fillers in the magnetic regenerators (2) are magnetic refrigeration materials...

Magnetic refrigeration system and vehicle air conditioning device
11/14/13 - 20130298571 - A magnetic refrigeration system constructed in such a way that a refrigerant transfer part transfers refrigerant from a first refrigerant discharge part of one refrigerant port to a first refrigerant circulation circuit after a magnetic field is applied to a magnetic working material by a magnetic field applying and removing...

Magnetic refrigerant bed and method for manufacturing the same
10/31/13 - 20130283822 - The present invention provides a magnetic refrigerant bed, which is a column composed of n magnetic refrigerant bed components, and these n magnetic refrigerant bed components are arranged in a descending order according to Curie temperatures or phase transition temperatures of the magnetic refrigeration materials used, wherein n=1-1000. The magnetic...

Bulk fluid refrigeration and heating
10/17/13 - 20130269367 - An apparatus for refrigeration and heating of bulk fluid, and particularly, but not exclusively, to the refrigeration of bulk milk freshly obtained from dairy animals such as cows. The apparatus is provided with a refrigerated bulk milk tank and magnetic refrigeration unit for refrigerating and heating, as appropriate, the fluid...

Magnetic refrigeration device and magnetic refrigeration system
10/03/13 - 20130255279 - In a magnetic refrigeration device, magnetic bodies having a magnetocaloric effect and solid heat accumulation members having heat accumulation effect are arranged alternately with gaps therebetween. Magnetic field apply units start and stop application of magnetic fields to the magnetic bodies. A contact mechanism brings each of the magnetic bodies...

Magnetic cooling apparatus
09/26/13 - 20130247588 - A magnetic cooling apparatus having an improved structure in which effective heat exchange may be performed by a heat transfer fluid is provided. The magnetic cooling apparatus includes at least one magnetic regenerator allowing a heat transfer fluid to pass therethrough and provided with a magnetocaloric material, a magnet to...

Heat exchanger and magnetic refrigeration system
09/12/13 - 20130232993 - According to one embodiment, a heat exchanger includes a container, and a plurality of heat exchange components. The container is fed with a heat transport medium. The plurality of heat exchange components is provided with a prescribed spacing inside the container. The plurality of heat exchange components is provided along...

Magnetic refrigeration system
09/05/13 - 20130227965 - According to one embodiment, a magnetic refrigeration system includes a first heat exchange section, a magnetic field changing section, a first heat transport medium, a second heat transport medium, and a transport section. The first heat exchange section includes a magnetocaloric effect material. The magnetic field changing section is configured...

Magnetocaloric module for magnetic refrigeration apparatus
08/01/13 - 20130192269 - A magnetocaloric module for a magnetic refrigeration apparatus includes: a bed having an inner surface; a magnetocaloric material filled in the bed; and an insulating layer formed over the inner surface, isolating the magnetocaloric material from the bed. With the use of the insulating layer, thermal conduction between the magnetocaloric...

Magnetic refrigeration control system, and method thereof
07/25/13 - 20130186107 - A magnetic refrigeration control system, includes: a first magnetocaloric bed; a pipe, arranged through the first magnetocaloric bed; a coolant, flowing in the pipe; a pump, driving the coolant with a pumping speed; a valve, adjusting a flow period of the flowing coolant; a magnetic module, providing an increasing magnetic...

Method for generating giant magnetocaloric materials
07/25/13 - 20130186108 - The invention relates to a method for generating giant magnetocaloric materials, the giant magnetocaloric materials obtained thereby and their use in magnetocaloric heat pumps, magnetocaloric power converters, actuators or magnetic switches....

Magnetic cooling apparatus and control method thereof
07/18/13 - 20130180263 - A magnetic cooling apparatus and a control method thereof are provided. The magnetic cooling apparatus provides a replacement having a simplified structure for motors providing driving force and power transmission systems of reciprocation type and rotation type cooling apparatuses. The magnetic cooling apparatus includes magnets forming a magnetic field, magnetic...

Refrigeration device with a region for storing food items in a generated field
06/27/13 - 20130160467 - Provided is a refrigeration device for storing food within an electric field. The refrigeration device includes a fresh food compartment and a freezer compartment vertically below an elevation of the fresh food compartment. A storage compartment in which a desired temperature for storing food is selectable by a user independently...

Ultrasonic impingement plate atomizer apparatus
05/23/13 - 20130125562 - An impingement plate atomizer apparatus includes a longitudinal member having an upper surface sized and shaped to receive a liquid cryogen thereon, a lower surface opposite to the upper surface, and at least one hole extending through the longitudinal member; and an ultrasonic transducer in contact with the longitudinal member...

Cooling system
05/09/13 - 20130111925 - A cooling system is provided. The cooling system includes a heat transfer means, a cool transfer means, and a magnetic-cooler. The magnetic-cooler includes a first magnetic member, a second magnetic member, a bed and a magnetic valve unit. The bed includes a working material, wherein the bed rotates between a...

Magnetic cooling device and magnetocaloric module thereof
05/02/13 - 20130104568 - A magnetic cooling device is provided, including a magnetocaloric module and a magnetic unit. The magnetocaloric module includes a bed, a first magnetocaloric material, a second magnetocaloric material and a thermal insulator. The first magnetocaloric material is disposed in the bed. The second magnetocaloric material is disposed in the bed,...

Methods and systems for co2 condensation
04/04/13 - 20130081409 - In accordance with one aspect of the present invention, methods of condensing carbon dioxide (CO2) from a CO2 stream are provided. The method includes (i) compressing and cooling the CO2 stream to form a partially cooled CO2 stream, wherein the partially cooled CO2 stream is cooled to a first temperature....

Electrocaloric effect heat transfer device dimensional stress control
03/21/13 - 20130067934 - Technologies are generally described herein for electrocaloric effect heat transfer devices and methods effective to facilitate thermal energy transfer while mitigating mechanical stresses caused by expansion or contraction of electrocaloric effect material layers during thermal energy transfer operations. Some example heat transfer devices may include heat transfer stacks with at...

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