US 2014/0190659 A1Published application

Thermal energy storage and recovery arrangement

AssigneeSiemens Aktiengesellschaft

InventorHans Laurberg

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Abstract

A thermal energy storage and recovery arrangement is provided. The arrangement has a first thermal energy storage, a compression and expansion unit coupled thereto, and a second thermal energy storage coupled to the compression and expansion unit. The first and second thermal energy storage are adapted to work at a temperature equal to or higher than ambient temperature. In a charging mode, the first thermal energy storage is adapted for receiving and releasing thermal energy to a received working medium. The compression and expansion unit is adapted for receiving and compressing the working medium from the first thermal energy storage. The second thermal energy storage is adapted for receiving the compressed working medium and thermal energy therefrom and storing at least part of this energy. The compression and expansion unit is adapted for receiving the compressed working medium from the second thermal energy storage and expanding the compressed working medium.

Claims16

Dependent claims

A thermal energy storage and recovery arrangement, the arrangement comprising

a first thermal energy storage,
a compression and expansion unit coupled to the first thermal energy storage, and
a second thermal energy storage coupled to the compression and expansion unit,
wherein, in a charging mode,
the first thermal energy storage is adapted for receiving a working medium being supplied to the thermal energy storage and recovery arrangement and for releasing thermal energy to the received working medium,
the compression and expansion unit is adapted for receiving the working medium from the first thermal energy storage and for compressing the working medium,
the second thermal energy storage is adapted for receiving the compressed working medium from the compression and expansion unit, for receiving thermal energy from the compressed working medium and for storing at least a part of this energy, and
the compression and expansion unit is adapted for receiving the compressed working medium from the second thermal energy storage and for expanding the compressed working medium,
wherein the first thermal energy storage and the second thermal energy storage are adapted to work at a temperature being equal to or higher than the ambient temperature of the thermal energy storage and recovery arrangement.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/237,885Filed 3 Sep 2012
Priority: EP 11181344.015 Sep 2011
Published: 10 Jul 2014
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

F28D 20/00
Heat storage plants or apparatus in general
F28D 20/0034
Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00: using liquid heat…
Y02E 60/14
Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation: thermal energy storage
F28D
Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange

Family

No related US applications are recorded in the indexed filing history.

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