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AssigneeGeneral Electric Company
InventorsTheodore John Nowak, Jr., Gregory Alan Marsh, Peter Loring Valentine, Mahesh Chand Aggarwal, Wayne Arthur Rhodes, Geoffrey Daniel Smith
Estimating the term…
An enhanced split cooling system for a turbocharger and an engine includes an oil cooler, a three-way valve assembly and a four-way valve assembly for controlling the flow of coolant, and radiators and subcoolers, for controlling coolant temperature. The valve assemblies are independently controllable to direct coolant through an oil cooler and a turbocharger intercooler either directly from the engine if the oil cooler and intercooler require heating or from the radiators and subcoolers if the oil cooler and intercooler require cooling. Depending upon the engine operating temperature, the valve assemblies can be configured to establish at least three different coolant processing modes.
An enhanced split cooling system for a turbocharged internal combustion engine including a liquid cooled turbocharger and an engine liquid coolant jacket, comprising:
An enhanced split cooling system for a turbocharged internal combustion engine including a liquid cooled turbocharger and a liquid coolant engine jacket, a coolant pump for pumping coolant from a coolant storage tank into heat exchange relationship with the engine and turbocharger and for circulating the coolant back to the tank, the system further including a lube oil cooler and a turbocharged air intercooler coupled in a coolant circulation path, a primary radiator selectively connectable for passing the coolant in heat exchange relationship therethrough, a pair of subcoolers positioned downstream of the primary radiator for providing additional cooling of coolant passing therethrough, a first valve assembly connected in said coolant circulation path for directing heated coolant exiting said engine jacket into said oil cooler and said intercooler when engine operating temperature is below a first threshold value, and a second valve assembly for directing all of the circulating coolant through the radiator and subcoolers for reducing coolant temperature and then passing the cooled coolant in heat exchange relationship through the oil cooler and the intercooler when the engine operating temperature is above a second threshold value, each of said first and second valve assemblies being opened when engine temperature is between the first and second threshold values for splitting the circulating coolant into a first path through said radiator and subcoolers to said storage tank and into a second path through the oil cooler and intercooler to said storage tank.
Dependencies are inferred from the claim text.