Illuminating arrangement for illuminating underground parking, has LED-light modules detachably fastened at elongate module carrier, which conducts lost heat, which incidents on LED-light modules, away from LED-light modules
DE102011052014A1
Lighting arrangement used in closed industrial processing space, has air outlet aperture that directs air from air inlet aperture to downstream of light exit surface
DE102010060796A1
Illumination arrangement for rescue workers, outdoor events, construction sites or halls, has multiple light modules and base body carrying light modules
DE102010037418A1
Photovoltaic module installed in buildings, has switch terminals that are switched from low impedance state to high impedance state by supply of external switching signal and are returned to idle state after removal of switching signal
DE102007048914A1
Solar generator arrangement for use in e.g. building, has switch unit within series connection such that partial voltage of sections is tripped into sub-section of connection by low resistant connection of output and input of sub-section
DE102006018458A1
Combined heat and power arrangement and method for controlling such an arrangement
DE102005020474A1
System for providing safe warm drinking water has cold inlet water heated to a set level and cooled to acceptable level via a heat exchanger cooled by the cold supply line
DE10348536A1
System for heating of domestic water in secondary circuit of heat exchanger has several pumps with different maximum outputs and which interact with common heat exchanger through common connecting line
DE10059265A1
Solar thermal layout with fluid feed uses working medium making thermal contact with fluid in collector to produce thermal gradient across collector to drive fluid in cycles through collector.
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Heat store for solar energy has wall round inner container enclosing cavity filled with latent heat storage material
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Device for layering fluids in containers depending on their density
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A layered hot water storage
DE19704914C1
Layering of fluids in container dependent upon their density