using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells

Full Title

Geothermal collectors > using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

HEATING; RANGES; VENTILATING

Subclass:

GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS