IPC Subgroup
F24S 10/8 comprising porous material or permeable masses directly contacting the working fluids
Introduced: January 2018
Full Title
Solar heat collectors using working fluids > comprising porous material or permeable masses directly contacting the working fluids
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEATING; RANGES; VENTILATING
- Subclass:
- SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS