Adsorption heat pump and method for operating an adsorption heat pump

US11441823B2 · kind B2 · utility

Assignee

• FAHRENHEIT GMBH · DE

Inventors

• Ralph Herrmann · Bodenwerder, DE
• Walter Mittelbach · Bodenwerder, DE

Key dates

• Filing date: Feb 13, 2017
• Grant date: Sep 13, 2022
• Expiry date: Sep 3, 2037

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/10
• WIPO field: Thermal processes and apparatus
• WIPO sector: Mechanical engineering

Abstract

The invention relates to an adsorption heat pump, having an adsorber device, comprising a solid adsorbent, an evaporator, a condenser or an evaporator/condenser and an operating medium in an operating circuit, wherein the operating circuit has a gaseous half-circuit between the evaporator, the adsorber device and the condenser or the evaporator/condenser and the adsorber device, in which gaseous half-circuit the operating medium is gaseous, and a liquid half-circuit which is configured between the evaporator and the condenser and in which the operating medium is liquid, wherein the liquid half-circuit contains a liquid functional medium which can be mixed with the operating medium and lowers the vapor pressure of the operating medium, with a vapor pressure at 25° C. of below 0.2 mbar. In a method for operating an absorption heat pump with an operating circuit comprising an adsorber, an evaporator and a condenser or an evaporator/condenser and an operating medium which is circulated between the adsorber, the evaporator and the condenser, the operating medium is mixed, when running through the operating circuit, within the liquid half-circuit with a liquid functional medium which low…