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Dive into the research topics where Ulrich Kroell is active.

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Featured researches published by Ulrich Kroell.


Archive | 2002

Heating system for buildings has hot water tank and a warm water tank which is divided into a low-temperature reservoir and a high temperature reservoir for better use of energy, especially solar energy

Gerd Burkhardt; Harald Drück; Ulrich Kroell; Beate Maucher; Pedro Da Silva


Archive | 2002

Heater with integrated expansion vessel

Ulrich Kroell; Dobromil Debowski; Manfred Oehrlein; Volker Porzer


Archive | 2000

Heating installation with at least two heating circuits

Ulrich Kroell; Franz Schmuker


Archive | 2005

Hot and cold water system for industrial or service use has three temperature-layer storage tanks linked in parallel

Alain Bigot; Claude Gross; Ulrich Kroell


Archive | 2005

Heating appliance for water heating and space heating consists of connected tank and heating modules, one mounted in front of other, and fixed to wall

Ulrich Kroell; Berni Reisser; Volker Porzer


Archive | 1996

Expansion tank for water heating installations

Ulrich Kroell; Franz Schmuker


Archive | 2005

Einrichtung zur Kollektorpotimierung

Ulrich Kroell


Archive | 2004

Water pipe for solar heater has smaller tube with three symmetrically-positioned spacer ribs mounted inside it, compensating for temperature-dependant fluctuations in volume of pipe

Ulrich Kroell; Pedro Da Silva


Archive | 2004

Warmwasserversorgungsanlage mit einem Warmwasserspeicher mit Zirkulationsleitung

Ulrich Kroell; Torsten Schmitz; Martin Schramm


Archive | 2004

Hot water supply system has hot water line integrated into circulation circuit by circulation line which is connected to hot water connection by connecting piece which incorporates injector

Ulrich Kroell; Torsten Schmitz; Martin Schramm

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