Abstract: A room perimeter heating/cooling radiator with a non symmetrical elliptical transverse cross section, that utilizes low to medium temperature heat transfer fluid (generally water or water/glycol) in a new design with an enhanced ‘primary only’ heat transfer surface having an internal spiral or helix to circulate the water around the inside of the primary surface to enhance the heat transfer, and an internal conduit that provides both freeze damage protection and the ability to cross connect multiple identical radiators for increased efficiency. The primary intended location is within inches of the building windows.

Abstract: A slim profile rotary control valve capable of independently modulating fluids into a single heat exchanger from two different and distinct systems that utilize the same type of heat transfer fluid. The valve is capable of monitoring both the supply and return fluid temperatures as well as the mass flow to enable the valve controller to optimize system's energy efficiency. It eliminates the use of multiple valves currently used in a conventional changeover system and automated control of valve positioning works much superior to existing valves. The housing and inner cylinder have tapered profiles to enable rotary sealing between the inlet and outlet ports. The housing has flow characterization profiles machined into the outlet ports thus eliminating the need for characterization disks. The rotary valve has a geometry that allows for a no flow dead zone when no heat exchange is so demanded.

Abstract: A slim profile rotary control valve capable of independently modulating fluids into a single heat exchanger from two different and distinct systems that utilize the same type of heat transfer fluid. The valve is capable of monitoring both the supply and return fluid temperatures as well as the mass flow to enable the valve controller to optimize system's energy efficiency. It eliminates the use of multiple valves currently used in a conventional changeover system and automated control of valve positioning works much superior to existing valves. The housing and inner cylinder have tapered profiles to enable rotary sealing between the inlet and outlet ports. The housing has flow characterization profiles machined into the outlet ports thus eliminating the need for characterization disks. The rotary valve has a geometry that allows for a no flow dead zone when no heat exchange is so demanded.

Abstract: A slim profile rotary control valve capable of independently modulating fluids into a single heat exchanger from two different and distinct systems that utilize the same type of heat transfer fluid. The valve is capable of monitoring both the supply and return fluid temperatures as well as the mass flow to enable the valve controller to optimize system's energy efficiency. It eliminates the use of multiple valves currently used in a conventional changeover system and automated control of valve positioning works much superior to existing valves. The housing and inner cylinder have tapered profiles to enable rotary sealing between the inlet and outlet ports. The housing has flow characterization profiles machined into the outlet ports thus eliminating the need for characterization disks. The rotary valve has a geometry that allows for a no flow dead zone when no heat exchange is so demanded.

Abstract: A room perimeter heating/cooling radiator with a non symmetrical elliptical transverse cross section, that utilizes low to medium temperature heat transfer fluid (generally water or water/glycol) in a new design with an enhanced ‘primary only’ heat transfer surface having an internal spiral or helix to circulate the water around the inside of the primary surface to enhance the heat transfer, and an internal conduit that provides both freeze damage protection and the ability to cross connect multiple identical radiators for increased efficiency. The primary intended location is within inches of the building windows.

Abstract: A freeze protection system to repeatedly protect the coils or tubes of a heat exchanger/radiator that does not require any maintenance after the contained fluid in the heat exchanger/radiator has experienced a freeze. The system lends itself to construction as a repeatable grouping of diversely different geometric shapes that can then be used to build a freeze protection system for a plethora of sizes of heat exchangers/radiators or, can be made into a unitary, monolithic sheet for a specific sized heat exchanger.

Abstract: A slim profile rotary control valve capable of independently modulating fluids into a single heat exchanger from two different and distinct systems that utilize the same type of heat transfer fluid. The valve is capable of monitoring both the supply and return fluid temperatures as well as the mass flow to enable the valve controller to optimize system's energy efficiency. It eliminates the use of multiple valves currently used in a conventional changeover system and automated control of valve positioning works much superior to existing valves. The housing and inner cylinder have tapered profiles to enable rotary sealing between the inlet and outlet ports. The housing has flow characterization profiles machined into the outlet ports thus eliminating the need for characterization disks. The rotary valve has a geometry that allows for a no flow dead zone when no heat exchange is so demanded.

Abstract: The present invention is an improved AHU that can be easily architecturally disguised, made in a modular unit, have increased overall efficiency and ease of servicing, reduce radial noise emissions and allow for the direct adjacent placement of additional AHU's. This AHU has a cuboid structure with smooth side walls that are insulated and adapted for the attachment of aesthetic surface treatments, roof inset fans louvered end walls with door access. Heat removal can accomplished through angled heat exchangers also housed within the enclosure. Air filtration is also accomplished with angled filters. The improved aesthetic appearance of these units also eliminates the use of surrounding architectural parapet walls or screening units. The improved space effectiveness and modularity shall provide greater flexibility in building construction.

Abstract: The present invention is a room perimeter heating/cooling radiator that utilizes low to medium temperature heat transfer fluid in a new design with an enhanced ‘primary only’ heat transfer surface having an internal spiral or helix to circulate the water around the inside of the primary surface to enhance the heat transfer, and an internal conduit that provides both freeze protection and the ability to cross connect multiple identical radiators for increased efficiency. The primary intended location is within inches of the building windows.

Abstract: A slim profile rotary control valve capable of independently modulating fluids into a single heat exchanger from two different and distinct systems that utilize the same type of heat transfer fluid. The valve is capable of monitoring both the supply and return fluid temperatures as well as the mass flow to enable the valve controller to optimize system's energy efficiency. It eliminates the use of multiple valves currently used in a conventional changeover system.

Abstract: A freeze protection system to repeatedly protect the coils or tubes of a heat exchanger/radiator that does not require any maintenance after the contained fluid in the heat exchanger/radiator has experienced a freeze. The system lends itself to construction as a repeatable grouping of diversely different geometric shapes that can then be used to build a freeze protection system for a plethora of sizes of heat exchangers/radiators or, can be made into a unitary, monolithic sheet for a specific sized heat exchanger.

Abstract: The present invention is an architecturally advanced chiller unit having solid, insulated exterior walls adapted for the attachment of aesthetic surface treatments, pedestal supports for a bottom intake of ambient air, and separate chambers for electrical and hydraulic components. The roof houses inset modular fans adapted for topside maintenance and the roof also allows service accessibility to heat rejection components housed within the chiller unit enclosure. Heat removal is accomplished through angled heat exchangers also housed within the enclosure. Each enclosure has an end accessible vestibule that house electrical and refrigerant components. The chiller units design is also intended to allow the side by side placement of two or more units, for modularity. The improved aesthetic appearance of these units also eliminates the use of surrounding architectural parapet walls or screening units. The improved space effectiveness and modularity shall provide greater flexibility in building construction.

Abstract: The present invention relates to an improved air conditioning filter and cooling/heating coil that can easily be applied to new and existing air handling systems. The slant design of these components allows a more efficient heat transfer and particle entrapment than their conventional counterparts. By residing at an angle in their air handling enclosures, and by virtue of their oblique prismatic construction, more filter media can be used and more heat transfer surface area can be incorporated without offering any substantial additional impediments to the flow of air. At angles of 45 degrees air friction of the coil and filter are reduced by 40 to 55 percent.

Abstract: The present invention relates to improved base for a large, commercial rooftop air conditioning (A/C) unit. The base is assembled from a series of interconnectable, corrugated floor panels having smooth bottom planar surfaces that may directly be mounted atop existing rooftop A/C unit curbs. The panels are each constructed from metal or steel, concave formed linear members that reside coplanar and are separated by a foam core. There is a base to wall panel connecting rail that simplifies the attachment of the A/c unit's side walls.

Abstract: The present invention relates to an improved commercial rooftop enclosure that utilizes a roof and wall panel design incorporated with structurally bent rails connecting the panel assemblies to each other and to a corrugated panel steel base. This forms the enclosure into a torsion box style building wherein the strength of the enclosure is derived from its overall “unibody” style construction. With this design the rooftop enclosure offers a lower overall profile, reduced weight and increased structural strength over its conventional counterparts.