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A sealable module, cooled electronic system and method are described relating to cooling a heat generating electronic device. The sealable module is adapted to be filled with a first cooling liquid and a heat transfer device having a conduction surface defines a channel for receiving a second coolin

A sealable module, cooled electronic system and method are described relating to cooling a heat generating electronic device. The sealable module is adapted to be filled with a first cooling liquid and a heat transfer device having a conduction surface defines a channel for receiving a second cooling liquid. In one embodiment, at least a portion of the conduction surface or housing is shaped in conformity with the shape of the electronic component. Control of the second cooling liquid is also described. Transferring heat between the second cooling liquid and a third cooling liquid features in embodiments. A method of filling a container with a cooling liquid is further detailed.

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1. A sealable module for containing one or more heat generating electronic components, the module comprising: a housing;a heat transfer device having a conduction surface, the housing and the conduction surface together defining a volume in which a first cooling liquid can be located, the heat trans

1. A sealable module for containing one or more heat generating electronic components, the module comprising: a housing;a heat transfer device having a conduction surface, the housing and the conduction surface together defining a volume in which a first cooling liquid can be located, the heat transfer device further defining a channel for receiving a second cooling liquid, the conduction surface separating the volume and the channel to allow conduction of heat between the volume and the channel through the conduction surface; andan electronic component located in the volume; andwherein at least a portion of the conduction surface or housing is shaped in conformity with the shape of the electronic component. 2. The sealable module of claim 1, further comprising the first cooling liquid, located in the volume. 3. The sealable module of claim 1, wherein the conduction surface has at least one projection into the first volume for conducting heat between the volume and the channel. 4. The sealable module of claim 3, wherein the at least one projection is arranged in conformity with the shape of the electronic component. 5. The sealable module of claim 4, further comprising a component heat sink coupled to the electronic component, having at least one projection arranged to cooperate with the at least one projection of the conduction surface. 6. The sealable module of claim 3, wherein the at least one projection of the conduction surface comprises a fin arrangement. 7. The sealable module of claim 3, wherein the at least one projection of the conduction surface comprises a pin arrangement. 8. The sealable module of claim 1, further comprising a flow diverter located in the volume. 9. The sealable module of claim 1, further comprising a plurality of electrical conductors located in the volume, the plurality of electrical conductors being arranged to detect the level of the first cooling liquid. 10. The sealable module of claim 1, wherein the conduction surface defines the channel, the shape of the channel being arranged in conformity with the shape of the electronic component. 11. The sealable module of claim 1, wherein the heat transfer device is formed in one piece. 12. The sealable module of claim 1, wherein the heat transfer device further comprises a base part coupled to the conduction surface and defining the channel for receiving the second cooling liquid. 13. The sealable module of claim 1, wherein the housing and conduction surface defines an inner chamber, and wherein the heat transfer device further comprises an outer chamber, defining the channel. 14. The sealable module of claim 13, wherein the outer chamber is made from a synthetic plastic material. 15. The sealable module of claim 1, further comprising an insulation layer covering at least part of the housing. 16. The sealable module of claim 1, comprising a plurality of electronic components, at least one of which generates heat when in use, and further comprising a circuit board holding the electronic components. 17. The sealable module of claim 16, further comprising a protective membrane positioned between the circuit board and the housing, the protective membrane being arranged to prevent liquid flow between the protective membrane and the circuit board. 18. The sealable module of claim 16, wherein at least a part of the circuit board is integrally formed with the housing. 19. The sealable module of claim 1, further comprising: a filling inlet to the module, located in the housing and through which a liquid can be received into the volume; anda seal to the filling inlet. 20. The sealable module of claim 1, further comprising a pressure relief valve, located in the housing and arranged to allow liquid flow out from the volume when the pressure within the volume exceeds a predefined limit. 21. The sealable module of claim 1, wherein the conduction surface is made from a synthetic plastic material. 22. The sealable module of claim 1, wherein the channel has an area of contact with the conduction surface defining a channel width, and wherein the minimum channel width is less than the dimensions of the conduction surface. 23. The sealable module of claim 1, wherein the channel interfaces with the at least a portion of the conduction surface along a path having at least one change in direction. 24. The sealable module of claim 23 when dependent upon claim 22, wherein the path has a straight portion, and wherein the minimum channel width is at least 10% of the length of the straight portion of the path. 25. The sealable module of claim 23, wherein the path comprises a main path and a branch path, the branch path being connected to the main path at at least one point. 26. A cooled electronic system, comprising: the sealable module of claim 1;a first cooling liquid located in the volume;a heat sink;a pumping arrangement, arranged to allow a second cooling liquid to flow through at least a portion of the channel of the sealable module to the heat sink at a predetermined flow rate;a temperature sensor, arranged to determine a temperature of the electronic component; anda controller arranged to control at least one of: the pumping arrangement; and the portion of the channel through which the second cooling liquid flows, such that the temperature of the electronic component is controlled so as not to exceed a predetermined maximum operating temperature. 27. A sealable module kit, comprising: a housing;a heat transfer device having a conduction surface, the heat transfer device being configured to couple to the housing such that the conduction surface and housing define a volume in which a first cooling liquid can be located, the heat transfer device further defining a channel for receiving a second cooling liquid such that when the heat transfer device is coupled to the housing, the conduction surface separates the volume and the channel to allow conduction of heat between the volume and the channel through the conduction surface; andan electronic component for location in the volume; andwherein at least a portion of the conduction surface or housing is shaped in conformity with the shape of the electronic component. 28. A method of cooling an electronic component, comprising: providing a module comprising a housing and a heat transfer device having a conduction surface, the housing and the conduction surface together defining a volume;housing the electronic component within the volume;filling the volume with a first cooling liquid; andconducting heat between the first cooling liquid and a second cooling liquid through the conduction surface, the first cooling liquid and second cooling liquid being located on either side of the conduction surface; andwherein at least a portion of the conduction surface or housing is shaped in conformity with the shape of the electronic component. 29. The method of claim 28, wherein the step of conducting heat from the first cooling liquid to the second cooling liquid is configured such that the first cooling liquid and second cooling liquid remain in liquid state.