(under subclass 287) Subject matter and further including a means to measure the quantity of fluid flowing through or around the heat transfer apparatus.
SEE OR SEARCH CLASS
236, Automatic Temperature and Humidity Regulation,
9, for combined heating and apartment control with heating medium circulation control.
374, Thermal Measuring and Testing,
40, and 41 for a device associated with measurement of a quantity of heat which is determined by combining flow rate and temperature signals of a heat exchange fluid.
