Solar heat collectors using working fluids

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

HEATING; RANGES; VENTILATING

Subclass:

SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS

Child Classifications

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• F24S 10/1 the working fluids forming pools or ponds
• F24S 10/2 having circuits for two or more working fluids
• F24S 10/25 having two or more passages for the same working fluid layered in the direction of solar rays, e.g. having upper circulation channels connected with lower circulation channels
• F24S 10/3 with means for exchanging heat between two or more working fluids
• F24S 10/4 in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar heat collectors
• F24S 10/5 the working fluids being conveyed between plates
• F24S 10/6 the working fluids trickling freely over absorbing elements
• F24S 10/7 the working fluids being conveyed through tubular absorbing conduits
• F24S 10/8 comprising porous material or permeable masses directly contacting the working fluids
• F24S 10/9 using internal thermosiphonic circulation