초록

A computer controlled hot/cold water mixing valve in which the set point discharge water temperature is controlling by measuring the hot inlet temperature and the cold water inlet temperature and performing appropriate calculations with the computer based on the measured temperatures.

대표청구항 ▼

A method of controlling a mixing valve for providing a discharge of liquid with the aid of a digital computer comprising: providing said computer with a database for said control valve including a function defining the characteristics of the mixing valve and a designated discharge temperature, initi

A method of controlling a mixing valve for providing a discharge of liquid with the aid of a digital computer comprising: providing said computer with a database for said control valve including a function defining the characteristics of the mixing valve and a designated discharge temperature, initiating a timer in said computer, determining the temperature of the liquid at a hot liquid inlet and at a cold liquid inlet to the valve, providing the computer with the temperatures at the hot liquid inlet and the coldliquid inlet and data on the valve function, performing in the computer calculations from the data on the temperature determinations and the valve function with the equation for the discharge temperature which is Ta-Tc=(Th-Tc)F(qa=discharge temperature Tc=cold liquid supply temperature Th=hot liquid supply temperature qq