US Patent 10077544 Drinking water supply device

A drinking water supply device may include a first channel configured to channel water, a water discharge pipe coupled to the rear end of the first channel configured to discharge the drinking water, a first connection pipe connecting the first channel and the water discharge pipe, a second channel configured to supply minerals to the first connection pipe, the second channel provided with a pressure sensor and a mineral supply valve, a mineral container configured to communicate with the first connection pipe via the second channel and configured to store condensed minerals, a pump configured to pressurize the interior of the mineral container to discharge the condensed minerals out of the mineral container, and a controller configured to control the mineral supply valve to open for a first predetermined time and then close according to a water discharge signal.