Patent ID: 8397799
Filing Date: 2013-03-19
Classification: F24F,F25B

Abstract:
1. A system for simultaneously heating and cooling a first portion and a second portion of a space, the system comprising: a first flow path disposed towards the first portion, the first flow path having a first supply line and a first return line; a second flow path disposed towards the second portion, the second flow path having a second supply line and a second return line wherein the supply line configured to supply a conditioned fluid to the space and the return line configured to return utilized conditioned fluid from the space, a plurality of closed loop pumps capable of circulating the conditioned fluid and the utilized conditioned fluid between the supply and return lines of the first flow path and the second flow path; a plurality of boilers disposed between the first portion and the second portion, the boilers capable of providing conditioned fluid to the first supply line and the second supply line; a plurality of heat exchangers disposed between the first portion and the second portion, the heat exchangers capable of receiving utilized conditioned fluid from the first and the second return line, for reducing the temperature of the utilized conditioned fluid in the first return line and the second return line to be supplied as the conditioned fluid to the first supply line and the second supply line by transferring heat of the utilized conditioned fluid to a cooling tower fluid; a plurality of chillers disposed between the first portion and the second portion, the chillers capable of receiving utilized conditioned fluid from the first return line and the second return line, for reducing the temperature of the utilized conditioned fluid in the first return line and the second return line to be supplied as the conditioned fluid to the first supply line and the second supply line by transferring heat of the utilized conditioned fluid to the cooling tower fluid; a plurality of condenser pumps disposed between the first flow path and the second flow path, the condenser pumps capable of circulating a cooling tower fluid between the cooling tower and the plurality of heat exchangers and the plurality of chillers; a plurality of boiler flow control valves coupled to the plurality of boilers, the boiler flow control valves capable of controlling the flow of utilized conditioned fluid to the boilers from the first and second return lines and conditioned fluid from the boiler to the first and second supply lines; a plurality of chiller flow control valves coupled to the plurality of chillers, the chiller flow control valves capable of controlling the flow of utilized conditioned fluid to the chillers from the first and second return lines and conditioned fluid from the chillers to the first and second supply lines; a plurality of heat exchanger flow control valves coupled to the plurality of heat exchangers, the heat exchanger flow control valves capable of controlling the flow of utilized conditioned fluid to the heat exchangers from the first and second return lines and conditioned fluid from the heat exchangers to the first and second supply lines; a plurality of sensors for sensing an outside space temperature, a temperature of the first portion and the second portion inside the space, and temperatures of the conditioned fluid and the utilized conditioned fluid in the first flow path and the second flow path; and a controlling module configured to acquire temperatures from the plurality of sensors and capable of controlling the flow of conditioned fluid and utilized conditioned fluid through the boiler, chiller and heat exchanger flow control valves, wherein the controlling module is configured to operate the boiler, the chiller and the heat exchanger flow control valves in a manner such that at least one boiler from the plurality of boilers and at least one chiller from the plurality of chillers or at least one heat exchanger from the plurality of heat exchangers are capable of heating or cooling the first portion and the second portion simultaneously.