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Refrigeration > Using Electrical Or Magnetic Effect

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.

07/10/14 - 20140190182 - Magneto caloric heat pump with variable magnetization
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...

06/19/14 - 20140165594 - Magneto caloric device with continuous pump
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...

06/19/14 - 20140165595 - Use of unidirectional flow modes of magnetic cooling systems
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...

06/12/14 - 20140157793 - Novel magnetic refrigerant materials
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...

05/15/14 - 20140130515 - Magnetic refrigeration device and magnetic refrigeration system
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...

05/08/14 - 20140123681 - Method and apparatus to hyperpolarize materials for enhanced mr techniques
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...

05/08/14 - 20140123682 - Magnetic refrigeration material and magnetic refrigeration device
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...

05/01/14 - 20140116067 - Magnetic material for magnetic refrigeration
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...

04/24/14 - 20140109597 - Magnetic heating and cooling device
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...

04/03/14 - 20140090403 - Electro-hydrodynamic cooling with enhanced heat transfer surfaces
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...

03/20/14 - 20140075958 - Magnetic refrigerator
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...

01/09/14 - 20140007592 - Refrigeration through voltage-controlled entropy change
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...

01/09/14 - 20140007593 - Magnetic refrigeration material
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...

01/02/14 - 20140000288 - Apparatus for storing hydrogen and magnetic energy and a method for the operation of said apparatus
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...

12/12/13 - 20130327062 - Magnetic heat pump system and air-conditioning system using that system
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...

12/05/13 - 20130319012 - Magnetic cooling device
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...

11/21/13 - 20130305741 - Heat exchanging system
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...

11/21/13 - 20130305742 - Refrigerating method and refrigerating device with combinatoin of magnetic refrigeration and regenerative gas refrigeration
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...

11/14/13 - 20130298571 - Magnetic refrigeration system and vehicle air conditioning device
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...

10/31/13 - 20130283822 - Magnetic refrigerant bed and method for manufacturing the same
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...

10/17/13 - 20130269367 - Bulk fluid refrigeration and heating
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...

10/03/13 - 20130255279 - Magnetic refrigeration device and magnetic refrigeration system
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...

09/26/13 - 20130247588 - Magnetic cooling apparatus
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...

09/12/13 - 20130232993 - Heat exchanger and magnetic refrigeration system
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...

09/05/13 - 20130227965 - Magnetic refrigeration system
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...

08/01/13 - 20130192269 - Magnetocaloric module for magnetic refrigeration apparatus
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...

07/25/13 - 20130186107 - Magnetic refrigeration control system, and method thereof
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...

07/25/13 - 20130186108 - Method for generating giant magnetocaloric materials
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....

07/18/13 - 20130180263 - Magnetic cooling apparatus and control method thereof
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...

06/27/13 - 20130160467 - Refrigeration device with a region for storing food items in a generated field
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...

05/23/13 - 20130125562 - Ultrasonic impingement plate atomizer apparatus
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...

05/09/13 - 20130111925 - Cooling system
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...

05/02/13 - 20130104568 - Magnetic cooling device and magnetocaloric module thereof
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,...

04/04/13 - 20130081409 - Methods and systems for co2 condensation
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....

03/21/13 - 20130067934 - Electrocaloric effect heat transfer device dimensional stress control
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...

03/14/13 - 20130061602 - Magnetic heat exchange unit
A magnetic heat exchange unit includes a magnetocaloric material, and at least one fluid pathway. The fluid pathway is formed in the magnetocaloric material and has a fluid inlet and a fluid outlet. A main fluid flowing direction is defined between the fluid inlet and the fluid outlet, and the...

03/07/13 - 20130055726 - Magnetic thermal module and magnetic thermal device
A magnetic thermal module, subjected to a magnetic field, includes at least one magnetic thermal material and a container. The magnetic thermal material is used for generating calories or frigories in response to a variable and controllable magnetic field. The container is used for containing the magnetic thermal material. Furthermore,...

03/07/13 - 20130055727 - Cooling unit
Disclosed herein is a cooling unit including a case, a magnet which is mounted on a lower portion of the case, a magnetic fluid which is provided on a lower portion of the magnet to absorb heat, and a bracket which supports a lower portion of the magnetic fluid....

02/21/13 - 20130042632 - Method for generating a thermal flow and magnetocaloric thermal generator
A method for generating a thermal flow from a thermal module comprising at least two magnetocaloric elements connected, two-by-two, through which a heat transfer fluid flows and is exposed to a magnetic field. The circulation exposes alternating elements of the magnetocaloric elements to an opposite variation in the magnetic field,...

02/14/13 - 20130036750 - Suspension device for use with low temperature refrigerator
A suspension device for use with a low temperature refrigeration system, such as an adiabatic demagnetization refrigerator is provided. A support ring is provided with three spring-loaded tension assemblies equally spaced about the periphery of the support ring. The tension assemblies each have a pulley, about which is entrained a...

01/31/13 - 20130025294 - System and method for carbon dioxide removal
A carbon dioxide (CO2) removal system includes an external heat transfer device. The CO2 removal system also includes a magnetocaloric heat transfer device coupled in flow communication with the external heat transfer device. The CO2 removal system further includes a cryogenic CO2 capture system coupled in flow communication with the...

01/24/13 - 20130019610 - System and method for reverse degradation of a magnetocaloric material
A method includes identifying at least partial degradation of a magnetocaloric material in a magnetic cooling system, wherein the magnetiocaloric material has a Curie temperature. The method also includes regenerating the magnetocaloric material by maintaining the magnetocaloric material at a regenerating temperature, wherein the regenerating temperature is different from the...

12/27/12 - 20120324908 - Apparatus and method for magnetically processing a specimen
An apparatus for magnetically processing a specimen that couples high field strength magnetic fields with the magnetocaloric effect includes a high field strength magnet capable of generating a magnetic field of at least 1 Tesla and a magnetocaloric insert disposed within a bore of the high field strength magnet. A...

12/13/12 - 20120312028 - Methods for laser cooling of fluorescent materials
Methods for cooling fluorescent material are provided. A first method includes providing a sample of the material having an elongated direction of light propagation, exhibiting fluorescence at a mean fluorescence wavelength and capable of emitting superradiant pulses with a formation delay time. The method then involves generating a pump pulsed...

11/22/12 - 20120291453 - Magnetic heat pump apparatus
A magnetic heat pump apparatus includes: a container defining a work chamber; a magnetic working element arranged in the work chamber; a magnetic-field applier that alternately applies a magnetic field to the magnetic working element and removes the magnetic field from the magnetic working element in a magnetic-field direction; and...

11/15/12 - 20120285178 - Desorption of a desiccant by radio waves or microwaves for a downhole sorption cooler
A method, apparatus and system for cooling a component of a downhole tool is disclosed. The apparatus includes a first desiccant configured to adsorb a refrigerant gas. A transmitter is configured to transmit electromagnetic energy into the first desiccant to enable desorption of the refrigerant gas from the first desiccant....

11/15/12 - 20120285179 - Thermo-magnetic cycle apparatus
A thermo-magnetic cycle apparatus includes: a magnetic element having a Curie temperature distribution in a predetermined distribution direction; a magnetic-field supplier which supplies an external magnetic field to the magnetic element; a pump pumping heat transport medium to flow frontward and backward in the predetermined distribution direction, the heat transport...

11/08/12 - 20120279232 - Infant bottle cooler
The present invention is an infant bottle and a beverage container cooler that includes a disc to receive the bottle or the beverage container to be cooled, a control switch which turns the cooler on and off and one or more batteries that can be utilized to power the cooler...

11/01/12 - 20120272664 - Electrostatically charged cryogen fog
An apparatus for providing electrostatically charged cryogen fog to a product includes an injection tube having a chamber therein for receiving a cryogenic substance introduced into the chamber and to be provided to the product, a first inlet in communication with the chamber for providing the cryogenic substance to the...

11/01/12 - 20120272665 - Magnetic heat pump apparatus
A magnetic heat pump cycle has a first to a fourth steps, which are repeatedly carried out. In the first step, a movement of heat medium is stopped by a pressure valve and a pressure accumulating tank and a magnetic field is applied by a magnetic-field control unit to a...

11/01/12 - 20120272666 - Magnetic heat pump system
In a magnetic heat pump system, in which heat transport medium is heated or cooled by magnetocaloric effect material accommodated in a magnetic heat pump device. A material having a coefficient of thermal conductivity, which is higher than that of the heat transport medium, or a material having a specific...