United States Patent #9,879,885 - Awarded January 30, 2018 to Mitsubishi Hitachi Power Systems, Ltd.
A preheater which is supplied with the hot water separated by the separator and which heats the heat medium, and a cooling tower which is arranged in a downstream side of the reservoir, which cools the water supplied from the reservoir, and which supplies the water as the cooling water to the condenser, wherein the geothermal water introduced from the production well is used as the cooling water, wherein the steam separated by the separator is supplied to the evaporator and is branched into streams, wherein one stream of branched steam is joined with the hot water which is introduced to the preheater, and wherein the other stream of branched steam is introduced to the reservoir.
