Abstract

Described is, among other things, an EHD pump comprising at least a first electrode (200) and at least a second electrode (210). The first electrode comprises a first grid (202) and the second electrode comprises a second grid (212), each of the first and second grids have grid openings formed by bridges (204, 214), wherein the second grid is asymmetric and having a different size with respect to the first grid.

IPC Classes  ?

• F28F 13/16 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying an electrostatic field to the body of the heat-exchange medium
• F04B 19/00 - Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups
• H01L 23/467 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing gases, e.g. air
• H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

Abstract

Described is, among other things, a closed system (10) withholding a circulating fluid (20). A partially gas filled barrier bag (30) is located inside the closed system5 to control expansion and or contraction of the fluid resulting from temperature variations.

IPC Classes  ?

• F24D 3/10 - Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks
• F04B 19/10 - Scoop devices of wheel type
• F28F 13/16 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying an electrostatic field to the body of the heat-exchange medium
• H05K 5/06 - Hermetically-sealed casings
• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

Abstract

Described is among other things a liquid cooled module (1). The liquid cooled module provides improved heat dissipation and improved flow in the liquid cooled module (1).

IPC Classes  ?

• H01M 10/6568 - Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
• F28F 9/02 - Header boxesEnd plates
• H01M 10/613 - Cooling or keeping cold
• H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
• H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling

Goods & Services

Batteries; batteries for vehicles; battery cases; battery packs; electrical batteries; rechargeable batteries; batteries, electric, for vehicles; electric storage batteries; power packs [batteries]; power units [batteries]; rechargeable electric batteries; mobile power supply [rechargeable batteries].

Abstract

A method for altering one or more properties of a dielectric fluid for use in an electrohydrodynamic, EHD, thermal management system (100), as well as the system, are provided. The system comprises at least one EHD pump unit (110) comprising at least two electrodes for pumping the dielectric fluid and at least one enclosure (120) for accommodating the fluid within the system. The method comprises exposing the dielectric fluid to an ionizing process (122) configured to ionize the dielectric fluid, and operating the pump unit to circulate the exposed fluid in the enclosure.

IPC Classes  ?

• G21K 5/00 - Irradiation devices
• F04B 17/00 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors
• F04B 19/04 - Pumps for special use
• F28F 13/16 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying an electrostatic field to the body of the heat-exchange medium

Abstract

Described is among other things a liquid cooled module (1). The liquid cooled module provides improved heat dissipation and improved flow in the liquid cooled module (1).

IPC Classes  ?

• H01M 10/6557 - Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
• H01M 10/6566 - Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers

Abstract

A thermal control system includes a closed loop arranged to carry a circulating fluid. There is at least a first heat exchanger and a flow unit in the closed loop. The flow unit includes a first electrode and a second electrode offset from the first electrode in a downstream direction of a flow of the circulating fluid. The first electrode and the second electrode are connectable to a voltage source. The first electrode is formed as a grid structure and arranged to allow the circulating fluid to flow through the first electrode.

IPC Classes  ?

• F04B 19/00 - Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups
• F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
• F04B 33/00 - Pumps specially adapted for elastic fluids actuated by muscle power, e.g. for inflating
• F04B 37/10 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups for special use
• F04B 39/06 - CoolingHeatingPrevention of freezing
• F04B 43/04 - Pumps having electric drive
• F04B 49/06 - Control using electricity
• F04B 53/00 - Component parts, details or accessories not provided for in, or of interest apart from, groups or
• F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
• F28F 13/16 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying an electrostatic field to the body of the heat-exchange medium
• H01J 41/18 - Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes
• H01L 23/467 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing gases, e.g. air
• H02K 44/00 - Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or vice versa
• H02K 44/02 - Electrodynamic pumps

Abstract

An arrangement for thermal management is disclosed, wherein a heat generating component is arranged within an enclosure, defined by an enclosure wall and in thermal contact with a thermal management fluid. The arrangement comprises an electrohydrodynamic flow unit, comprising a first and a second electrode, for controlling the flow of fluid within the enclosure.

IPC Classes  ?

• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
• F28F 13/16 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying an electrostatic field to the body of the heat-exchange medium

Abstract

A method for altering one or more properties of a dielectric fluid for use in an electrohydrodynamic, EHD, thermal management system (100), as well as the system, are provided. The system comprises at least one EHD pump unit (110) comprising at least two electrodes for pumping the dielectric fluid and at least one enclosure (120) for accommodating the fluid within the system. The method comprises exposing the dielectric fluid to an ionizing process (122) configured to ionize the dielectric fluid, and operating the pump unit to circulate the exposed fluid in the enclosure.

IPC Classes  ?

• F28F 13/16 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying an electrostatic field to the body of the heat-exchange medium
• F04B 17/00 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors
• F04B 19/00 - Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups

Abstract

An arrangement for thermal management (100) is disclosed, wherein a heat generating component (110) is arranged within an enclosure (120), defined by an enclosure wall (121 ) and in thermal contact with a thermal management fluid (130). The arrangement comprises an electrohydrodynamic flow unit (140), comprising a first and a second electrode(140a, 140b), for controlling the flow (F) of fluid within the enclosure.

IPC Classes  ?

• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

Abstract

An arrangement (100) for thermal management of a heat generating component is disclosed, comprising an enclosure (120) configured to accommodate a dielectric liquid (130) in thermal contact with a wall portion of the enclosure, and an electrohydrodynamic, EHD, flow unit (140) arranged within the enclosure, wherein the EHD flow unit comprises a first electrode (140a) and a second electrode (140b) arranged offset from the first electrode, and wherein the EHD flow unit is configured to control a flow of the dielectric liquid between the first electrode and the second electrode.

IPC Classes  ?

• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
• H01L 23/46 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids
• F28F 13/16 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying an electrostatic field to the body of the heat-exchange medium

Abstract

A battery device (100) is disclosed, comprising a plurality of cells (110), an enclosure (120) configured to accommodate the cells when they are at least partly immersed in a thermal management liquid, and at least one flow unit (130) arranged within the enclosure to control a flow of the thermal management liquid through the enclosure. The at least one flow unit comprises a first electron (131) and a second electrode (132) that are arranged offset from each other and being connectable to a voltage source so as to affect the flow between the electrodes.

IPC Classes  ?

• H01M 10/657 - Means for temperature control structurally associated with the cells by electric or electromagnetic means
• H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
• H01M 10/63 - Control systems
• H01M 10/6563 - Gases with forced flow, e.g. by blowers
• H01M 10/6568 - Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
• H01M 10/613 - Cooling or keeping cold
• H01L 23/467 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing gases, e.g. air

Abstract

A fluidic deviceis disclosed, comprisingan enclosed passage that is adapted to convey a circulating fluid. The enclosed passage comprises a flow unit having a first electrode anda second electrode offset fromthe first electrode in a downstream direction of a flow of the circulating fluid. The first electrode is formed as a grid structure and arranged to allow the circulating fluid to flow through the first electrode.The fluidic device may be used for controlling or regulating the flow of the fluid circulating in the enclosed passage, and thereby act as a valve opening, reducing or even closing the passage.

IPC Classes  ?

• H01L 23/467 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing gases, e.g. air
• F04B 19/00 - Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups
• F28F 13/16 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying an electrostatic field to the body of the heat-exchange medium

Abstract

An array (10) of flow units (100) for controlling a flow of a fluid is disclosed. The flow units (100) are arranged to have a lateral extension in a common lateral plane and such that a downstream side (D) of a first one the flow units is in fluid communication with an upstream side (U) of a second one of the flow units so as to allow a flow of fluid to pass through said flow units. The flow units comprise a first electrode (110) and a second electrode (120) which are connectable to a voltage source. At least a portion of the first electrode has a maximum height (h1) in a direction parallel to the direction of the flow and a maximum gauge (w1) in a direction orthogonal to the direction of the flow, wherein said maximum height is larger than said maximum gauge so as to improve the pumping efficiency of the device. A method for controlling a fluid flow by means of such device is also disclosed.

IPC Classes  ?

• H01L 23/467 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing gases, e.g. air
• F04B 19/00 - Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups
• F28F 13/16 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying an electrostatic field to the body of the heat-exchange medium
• H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids

Abstract

A device (100) for controlling a flow of a fluid is disclosed. The device comprises a first electrode (110) and a second electrode (120) offset from the first electrode in a downstream direction of the flow. The electrodes are connectable to a voltage source. The first electrode comprises bridges (111) and joints (112) forming a grid structure which is arranged to allow the fluid to flow through the first electrode. At least a portion of at least one of the bridges has a maximum height (h1) in a direction parallel to the direction of the flow and a maximum gauge(w1) in a direction orthogonal to the direction of the flow, wherein said maximum height is larger than said maximum gauge so as to improve the pumping efficiency of the device. A method for manufacturing the device, and a method for controlling a fluid flow by means of such device, is also disclosed.

IPC Classes  ?

• F04B 19/00 - Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups
• F28F 13/16 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying an electrostatic field to the body of the heat-exchange medium

Abstract

A sensor system for a storage, comprising at least one cable with at least one integrated sensor node, wherein the at least one integrated sensor node is configured to detect, localize and/or communicate with at least one sensor node provided outside the at least one cable.

IPC Classes  ?

• H01B 7/32 - Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
• G01K 13/10 - Thermometers specially adapted for specific purposes for measuring temperature within piled or stacked materials