Latent heat accumulator

US4410031A · kind A · utility

Assignee

• Deutsche Forschungs- und Versuchsanstalt fur Luft- und Raumfahrt e.V. · DE

Inventors

• Friedrich Paul Lindner · Ried im Innkreis, AT
• Kurt Scheunemann · Lahr (Eifel), DE

Key dates

• Filing date: Jul 13, 1981
• Grant date: Oct 18, 1983
• Expiry date: Jul 13, 2001

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 latent heat accumulator is disclosed including an upright container hav, in a major volume first section, a latent heat storage medium, and a passage for a heat exchange medium extending through the charge in the first section. The passage is of the type of a conduit provided with intake openings at different levels. The flow of heat exchange medium through the conduit generates low pressure at the intake openings with the result that a part of the surrounding charge of the heat storage medium is drawn into the conduit for thorough intermixing and heat transfer. The intake openings are preferably protected to prevent large solidified particles of the heat storage medium from blocking the openings or from entering the conduit. The invention improves the heat transfer capacity and reduces the charge of the heat storage medium entering the associated heat exchange circulation system while retaining a relatively simple structure of the accumulator.