Thermal energy supply system, has locking device, that is installed between storage container and load, and locking feed line to load based on positive change in oil level in container that is indicated by level indicator

摘要

The system has a storage container (11) connected to a data terminal (16) and to a load (12) e.g. water heater, via a feed line (13). The line has a locking device (14) that is installed between the container and the load. The container holds thermal energy in the form of e.g. fuel oil. The device locks the line to the load, based on a positive change in level of oil in the container as reported by a level indicator (15).