Temperature control system

Valve means for use for providing automatic temperature control for an enclosed control area by providing a controlled flow of work fluid from a source of heated work fluid or a source of chilled work fluid through heat exchange means in said control area, said valve including a hollow valve housing, a first cylindrical valve sleeve mounted for axial rotation in said valve housing and having first and second open-ended internal sleeve chambers n each end separated by a transverse internal wall, said first cylindrical valve sleeve separating the interior of said hollow valve housing into first and second flow control chambers, a nested cylindrical valve sleeve matingly received within said second internal sleeve chamber of said first valve sleeve for axial rotation therein with respect to said first valve sleeve and said housing, a main supply fluid inlet port in said valve housing communicating with said first flow chamber, a hot supply outlet port in said valve housing communicating with said first flow control chamber, a cold supply outlet port in said valve housing communicating with said first flow control chamber, a spent fluid return port in said valve housing communicating with said second flow control chamber, a hot feed return port in said housing communicating with said second flow chamber, a main supply sleeve port in said first internal chamber of said first cylindrical valve sleeve, said main supply sleeve port being alternatively alignable with said hot supply outlet port or said cold supply outlet port by rotation of said first cylindrical valve sleeve in said valve housing, a chiller feed return port on said housing communicating with said second chamber, a spent fluid return sleeve port in said second internal chamber of said cylindrical valve sleeve, a first control means responsive to the temperature in said first flow control chamber for positioning said first cylindrical valve sleeve in a heat mode position to align said main supply sleeve port with said hot supply outlet port and to simultaneously align said spent fluid return sleeve port with said hot feed return port in said housing when the temperature in said first flow chamber exceeds a first predetermined valve and for positioning said first valve sleeve in a cooling mode position in which said main supply sleeve port is in alignment with said cold supply port in said housing and said spent fluid return sleeve port is in alignment with said chiller feed return port when the temperature in said first flow chamber is less than a predetermined second temperature, a flow modulating sleeve port in said nested cylindrical valve sleeve rotationally positionable in varying degrees of alignment with said spent fluid return sleeve port and a second control means connected to said nested cylindrical valve sleeve responsive to the temperature in said second flow chamber for positioning said flow modulating sleeve port with respect to said spent fluid return sleeve port for adjusting the degree of alignment between said flow modulating sleeve port and said spent fluid return sleeve port in accordance with the temperature in said second flow chamber.

An automatic cooling and heating system for maintaining temperature control in an enclosed control area, said system comprising work fluid supply means including a heated work fluid source and a chilled work fluid source, heat exchange means in said control area, said heat exchange having work fluid inlet means and a work fluid exhaust means, a temperature responsive control valve including a hollow valve housing, a first cylindrical valve sleeve mounted for axial rotation in a cylindrical bore in said valve housing and having first and second open-ended internal sleeve chambers on each end separated by a transverse internal wall, said first cylindrical valve sleeve separating the interior of said hollow valve housing into first and second flow control chambers, a nested cylindrical valve sleeve matingly received within said second internal sleeve chamber of said first valve sleeve for axial rotation therein with respect to said first valve sleeve and said housing, a main supply fluid inlet port in said valve housing communicating with said first flow chamber, selectively operable flow control means including conduit means and valve means alternatively providing communication between said main supply fluid inlet port and said heated work fluid source or said chilled work fluid source, outlet port means in said valve housing communicating with said first flow control chamber and connected to supply pipe means extending to the work fluid supply inlet of said heat exchange means, a spent fluid return port in said valve housing communicating with said second flow control chamber and connected to conduit means connected to the work fluid exhaust means of said heat exchange means, feed return port means in said housing communicating with said second flow chamber and connected by conduit means to a feed inlet on said work fluid supply means, a spent fluid return sleeve port in said second internal chamber of said cylindrical valve sleeve, a first control means responsive to the temperature of work fluid in said first flow control chamber for rotationally positioning said first cylindrical valve sleeve in accordance with the temperature of fluid in said first flow chamber, a flow modulating sleeve port in said nested cylindrical valve sleeve rotationally positionable in varying degrees of alignment with said speed fluid return sleeve port, a second control means connected to said nested cylindrical valve sleeve responsive to the temperature of fluid in said second flow chamber for positioning said flow modulating sleeve port with respect to said spent fluid return sleeve port for adjusting the degree of alignment between said flow modulating sleeve port and said speed fluid return sleeve port in accordance with the temperature in said second chamber for providing a modulated controlled liquid flow through the system to maintain a desired temperature in said control area.

A temperature responsive control valve comprising a housing having a number of fluid line connections, the housing having first and second separate chambers, the chambers having fluid valving members, temperature responsive means responsive to the temperatures of the fluids within one or more of the chambers to operate or regulate or position the valving members within one or more of the chambers;

• and means movable to adjust one or more of the valving members within one or more of the chambers, wherein there are three valving members within a single housing and wherein there are two temperature responsive means responsive to the temperatures of the fluids flowing through the said housing in each of two distinct passes of the fluids through the valve, a first pass of work fluid through the first chamber soaking the first temperature responsive means and a second pass of used or spent fluid through said second chamber soaking said second temperature responsive means;
• and whereas, the first and the second said valving members are coordinated to and operate in conjunction with the said first temperature responsive means, however, the said first valving member operates in the said first chamber but the said second valving member operates in the said second chamber and the said third valving member is coordinated to and operates in conjunction with the said second temperature responsive means in the said second chamber independently of, meanswise, the said second valving member but upon the same said second pass of used or spent fluid and during the identical intervals of time:
• and, when applied to a heating and cooling system, these continuous and automatic valving members do:
• distinguish heating fluid from cooling fluid, direct heating fluid to a heating fluid user, direct cooling fluid to a cooling fluid user, quantitatively portion the heating fluid as to the needs of the system. quantitatively portion the cooling fluid as to the needs of the system, direct the used or spend heating fluid to the heating fluid boiler or reenergizer unit, direct the used or spent cooling fluid to the chiller or to the deenergizing unit, adjust the flow of the fluid through the said valve according to the temperature of the fluid of the said first pass, and, react to the manual adjustments of the parameters of the said valve in both the heating and the cooling modes of the operations of the said valve, and automatically change from the one operating mode to the other.

A temperature responsive control valve comprising a housing having a numner of fluid line connections, the housing having first and second chambers, the chambers having fluid valving members, temperature responsive means responsive to the temperatures of the fluids within one or more of the chambers to operate or regulate or position the valving members within one or more of the chambers;

• and means movable to adjust one or more of the valving members within one or more of the chambers, wherein the said means movable to adjust one or more of the valving members within one or more of the said chambers is exterior to said housing and there are three of said valving members within a single said housing and wherein there are two of said temperature responsive means responsive to the temperature of the fluids flowing through the said housing in each of two distinct passes of the fluids through the valve, a first pass of work fluid through said first chamber soaking the first temperature responsive means and a second pass of used or spent fluid through said second chamber soaking said second temperature responsive means;
• and whereas, the first and the second said valving members are coordinated to and operate in conjunction with the said first temperature responsive means, however, the said first valving member operates in the said first chamber but the said second valving member operated in the said second chamber and the said third valving member is coordinated to and operates in conjunction with the said second means in the said second chamber independently of, meanswise, the said second valving member but upon the same said second pass of used or spent fluid and during the identical intervals of time:
• and, when applied to a heating and cooling system, these continuous and automatic valving members do:
• distinguish heating fluid from cooling fluid, direct heating fluid to a heating fluid user, direct cooling fluid to aa cooling fluid user, quantitatively portion the heating fluid as to the needs of the needs of the system, direct the used or spent heating fluid to the heating fluid boiler or reenergizer unit, direct the used or spent cooling fluid to the chiller or to the deenergizing unit, adjust the flow of the fluid through the said valve according to the temperature of the fluid of the said first pass, and, react to the manual adjustments of the parameters of the said valve in both the heating and the cooling modes of the operations of the said valve, and automatically change from the one operating mode to the other.

A temperature responsive control valve comprising a housing having a number of fluid line connections, the housing having first and second chambers having fluid valving members, temperature responsive means responsive to the temperatures of the fluids within one or more of the chambers to operate or regulate or position the valving members within one or more of the chambers;

• and means movable to adjust one or more of the valving members within one or more of the chambers, wherein the said means movable to adjust one or more of the said valving members within one or more of the said chambers are manually movable to fixed positions and can be moved during the operation of the said valve and wherein there are three of said valving members within a single said housing and wherein there are two of said temperature responsive means responsive to the temperatures of the fluids flowing through the said housing in each of two distinct passes of the fluids through the valve, a first pass of work fluid through the first said chamber soaking the first said temperature responsive means and a second pass of used or spent fluid through the said second chamber soaking the said second temperature responsive means;
• and whereas, the first and the second valving members are coordinated to and operate in conjunction with the said second means in the said second chamber independently of, meanswise, the said second valving member but upon the same said second pass of used or spent fluid and during the identical intervals of time:
• and, when applied to a heating and cooling system, these continuous and automatic valving members do:
• distinguish heating fluid from cooling fluid, direct heating fluid to a heating fluid user, direct cooling fluid to a cooling fluid user, quantitatively portion the heating fluid as to the needs of the system, quantitatively portion the cooling fluid as to the needs of the system, direct the used or spent heating fluid to the heating fluid boiler or reenergizer unit, direct the used or spent cooling fluid to the chiller or to the deenergizing unit, adjust the flow of the fluid through the said valve according to the temperature of the fluid of the said first pass, and, react to the manual adjustments of the parameters of the said valve in both the heating and the cooling modes of the operations of the said valve, and automatically change from the one operating mode to the other.