A fluid system and method of making and using the same

Abstract

A number of variations may include a fluid system comprising a fluid circuit and a pump wherein the fluid circuit diverges into a first path and a second path and converges back into a third path; wherein the fluid circuit further comprises at least one solenoid valve located near the convergence of the first path and the second path into the third path and wherein the solenoid valve is constructed and arranged to control fluid flow on its path in accordance with preset conditions of the fluid system.

What is claimed is: 
     
         1 . A product comprising a fluid system comprising a fluid circuit and a pump wherein the fluid circuit diverges into a first path and a second path and converges back into a third path; wherein the fluid circuit further comprises at least one solenoid valve located near the convergence of the first path and the second path into the third path and wherein the solenoid valve is constructed and arranged to control fluid flow on its path in accordance with preset conditions of the fluid system. 
     
     
         2 . A product as set forth in  claim 1  wherein the solenoid does not draw a current when it is not in actuation. 
     
     
         3 . A product as set forth in  claim 1  wherein the fluid system comprises an engine cooling system comprising a cylinder head and an engine block or a combined one piece cylinder head and engine block. 
     
     
         4 . A product as set forth in  claim 3  wherein the engine cooling system comprises a cooling fluid circuit wherein the first path varies the temperature of the cylinder head and the second path varies the temperature of the engine block. 
     
     
         5 . A product as set forth in  claim 4  wherein the preset conditions are at least one of engine temperature, engine pressure, coolant temperature, coolant pressure, coolant flowrate, or engine actuation. 
     
     
         6 . A product as set forth in  claim 1  wherein the preset conditions are determined by at least one sensor in the fluid system and the solenoid is controlled by at least one electronic control unit which monitors the at least one sensor. 
     
     
         7 . A product comprising a fluid system comprising fluid circuit and a pump wherein the fluid circuit diverges into a first path and a second path and converges back into a third path; wherein the fluid circuit further comprises a solenoid valve located near the divergence of the first path and the second path and wherein the solenoid valve is constructed and arranged to control fluid flow on its path in accordance with preset conditions of the fluid system. 
     
     
         8 . A product as set forth in  claim 7  wherein the solenoid does not draw a current when it is not in actuation. 
     
     
         9 . A product as set forth in  claim 7  wherein the fluid system comprises an engine cooling system comprising a cylinder head and an engine block or a combined one piece cylinder head and engine block. 
     
     
         10 . A product as set forth in  claim 9  wherein the engine cooling system comprises a cooling fluid circuit wherein the first path varies the temperature of the cylinder head and the second path varies the temperature of at least the engine block. 
     
     
         11 . A product as set forth in  claim 10  wherein the present conditions are at least one of engine temperature, engine pressure, coolant temperature, coolant pressure, coolant flowrate, or engine actuation. 
     
     
         12 . A product as set forth in  claim 7  wherein the preset conditions are determined by at least one sensor in the fluid system and the solenoid is controlled by at least one electronic control unit which monitors the at least one sensor. 
     
     
         13 . A method comprising:
 providing a fluid system comprising a fluid circuit and a pump wherein the fluid circuit diverges into a first path and a second path and converges back into a third path; and wherein the fluid circuit further comprises a solenoid valve located near the convergence of the first path and the second path into the third path and wherein the solenoid valve is constructed and arranged to control fluid flow on its path in accordance with preset conditions of the fluid system; and   flowing a fluid through the fluid circuit where the solenoid at least partially blocks fluid flow to or from the first path or the second path.   
     
     
         14 . A method as set forth in  claim 13  wherein the solenoid does not draw a current when it is not in actuation. 
     
     
         15 . A method as set forth in  claim 13  wherein the fluid system comprises an engine cooling system comprising a cylinder head and an engine block or a combined one piece cylinder head and engine block. 
     
     
         16 . A method as set forth in  claim 15  wherein the engine cooling system comprises a cooling fluid circuit wherein the first path varies the temperature of the cylinder head and the second path varies the temperature of at least the engine block. 
     
     
         17 . A method as set forth in  claim 16  wherein the present conditions are at least one of engine temperature, engine pressure, coolant temperature, coolant pressure, coolant flowrate, or engine actuation. 
     
     
         18 . A method as set forth in  claim 13  wherein the preset conditions are determined by at least one sensor in the fluid system and the solenoid is controlled by at least one electronic control unit which monitors the at least one sensor. 
     
     
         19 . A method as set forth in  claim 18  further comprising collecting data from the sensors into the EU to determine actuation amount of the solenoid valve. 
     
     
         20 . A method as set forth in  claim 19  wherein the actuation amount of the solenoid valve ranges between 0 and 100% open.