Thermal energy storage with reduced internal natural convection

US10254050B2 · kind B2 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Till Andreas Barmeier · Hamburg, DE
• Vladimir Danov · Erlangen, DE
• Dirk Koschnitzke · Könnern, DE
• Theodoros Papadopoulos · Hersbruck, DE
• Henrik Stiesdal · Odense, DK
• Victor Ustinov · Ergolding, DE

Key dates

• Filing date: Dec 19, 2014
• Grant date: Apr 9, 2019
• Expiry date: Feb 21, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E60/14
• WIPO field: Thermal processes and apparatus
• WIPO sector: Mechanical engineering

Abstract

A thermal energy storage is provided comprising a housing, a thermal energy storage structure arranged within the housing, the thermal energy storage structure comprising thermal energy storage elements and a plurality of dividing elements, the plurality of dividing elements being arranged such that the thermal energy storage elements are divided into a plurality of layers, a fluid inlet, the fluid inlet being in fluid communication with the housing and adapted to receive a working fluid and provide a flow of working fluid towards the housing, and a convection reducing structure arranged adjacent the thermal energy storage structure at a side of the thermal energy storage structure that faces the fluid inlet. Furthermore, a method of storing thermal energy and a steam power plant for producing electrical energy are described.