US 12,117,247 B2
Heat storage device
Werner Kraft, Stuttgart (DE); Peter Vetter, Stuttgart (DE); and Veronika Stahl, Leonberg (DE)
Assigned to DEUTSCHES ZENTRUM FÜR LUFT-UND RAUMFAHRT E.V., Bonn (DE)
Appl. No. 17/910,009
Filed by DEUTSCHES ZENTRUM FÜR LUFT-UND RAUMFAHRT E.V., Bonn (DE)
PCT Filed Mar. 10, 2021, PCT No. PCT/EP2021/054390
§ 371(c)(1), (2) Date Sep. 8, 2022,
PCT Pub. No. WO2021/185536, PCT Pub. Date Sep. 23, 2021.
Claims priority of application No. 10 2020 107 464.6 (DE), filed on Mar. 18, 2020.
Prior Publication US 2023/0140947 A1, May 11, 2023
Int. Cl. F28D 15/00 (2006.01); F28D 20/02 (2006.01)
CPC F28D 20/021 (2013.01) 21 Claims
OG exemplary drawing
 
1. A heat storage device, having a metallic phase change material as a storage material, comprising at least one receptacle chamber having a receptacle space for the storage material and a housing for the receptacle space, at least one heat introduction unit for introducing heat into the at least one receptacle chamber, and at least one heat discharge unit for discharging heat from the at least one receptacle chamber,
wherein
a coupling region of the heat introduction unit provided for thermal coupling with the storage material and/or a coupling region of the heat discharge unit provided for thermal coupling with the storage material is arranged spaced apart at least in regions from the storage material, and
wherein an arrangement of the heat introduction unit and the heat discharge unit to ensure thermal contact between the heat introduction unit and the storage material and between the heat discharge unit and the storage material is selected so that when the heat storage device is used as intended, cavities and/or pores form remotely from heat introduction unit and heat discharge unit in the regions of the storage material solidifying last.