Baltimore Aircoil Company, Inc.

John Edward Rule

David Andrew Aaron

Zan Liu

Philip Hollander

Preston Blay

Branislav Korenic

Glenn David Comisac

Gregory Michael Lowman

Brian S Drew

Philip S Hollander

Preston P Blay

A heat exchange apparatus is provided with an indirect evaporative heat exchange section. The indirect evaporative heat exchange section includes a series of serpentine tubes, and an evaporative liquid is passed downwardly onto the indirect heat exchange section. The evaporative liquid is collected in a sump and then pumped upwardly to be distributed again across the indirect heat exchange section. An improved heat exchange apparatus is provided with an indirect evaporative heat exchange section including a series of serpentine tubes with run sections and return bend sections of both normal and increased height. A direct heat exchange section may be provided in the vertical spacing between run sections formed by the increased height return bends.

Cooling tower with indirect heat exchanger

A heat exchange apparatus is provided with an indirect evaporative heat exchange section. An evaporative liquid is passed downwardly onto the indirect heat exchange section. The evaporative liquid is collected in a sump and then pumped upwardly to be distributed again across the indirect heat exchange section. An improved heat exchange apparatus is provided with two indirect evaporative heat exchange sections separated by a vertical distance. A direct evaporative heat exchange section may be provided in the vertical spacing between the two indirect evaporative heat exchange sections.

A heat exchange apparatus is provided with an indirect evaporative heat exchange section. The indirect evaporative heat exchange section is comprised of a series of serpentine tubes, and an evaporative liquid is passed downwardly onto the indirect heat exchange section. The evaporative liquid is collected in a sump and then pumped upwardly to be distributed again across the indirect heat exchange section. An improved heat exchange apparatus is provided with an indirect evaporative heat exchange section consisting of a series of serpentine tubes comprised of tube runs both of normal and increased height between tube runs. A direct heat exchange section may be provided in the increased vertical spacing between tube runs.

A heat exchange apparatus is provided with an indirect evaporative heat exchange section. The indirect evaporative heat exchange section includes a series of serpentine tubes, and an evaporative liquid is passed downwardly onto the indirect heat exchange section. The evaporative liquid is collected in a sump and then pumped upwardly to be distributed again across the indirect heat exchange section. An improved heat exchange apparatus is provided with a top and a bottom indirect evaporative heat exchange section including a series of serpentine tubes A secondary system to distribute evaporative liquid below the first indirect heat exchange section and a direct heat exchange section may be provided between the two indirect heat exchangers.

A heat exchange apparatus is provided with an indirect evaporative heat exchange section. The indirect evaporative heat exchange section includes a series of serpentine tubes, and an evaporative liquid is passed downwardly onto the indirect heat exchange section. The evaporative liquid is collected in a sump and then pumped upwardly to be distributed again across the indirect heat exchange section. An improved heat exchange apparatus is provided with an indirect evaporative heat exchange section including a series of serpentine tubes with run sections and return bend sections of both normal and increased height. A secondary spray system or a direct heat exchange section may be provided in the vertical spacing between run section formed by the increased height return bends.

A heat exchanger is disclosed. The heat exchanger has structural members made of fiber reinforced resin material. These structural members include vertical columns and walls. The walls are bonded to the columns to create rigid joints. The bonded joints have large surface areas. The walls are defined by individual panels that may be bonded together along abutting horizontal box beam sections. The panels have additional box beam sections to strengthen the panels, and connecting webs extending between the box beam sections. Both the box beam sections and connecting webs are bonded to the columns. Mechanical fasteners are used to hold the walls and columns together until the bonding material cures. The heat exchanger is an evaporative heat exchanger with a basin with a sloping floor having a low point. The sloping floor may be made of panels bonded together. The panels are similar in structure to the wall panels, although the box beams may be of different sizes. All of the panels and columns are made by pultrusion. The evaporative heat exchanger also includes an evaporative liquid distribution system, a heat exchange media, and a fan. The evaporative liquid system includes a stainless steel feed box which is connected to a group of spray branches. The spray branches are supported by stainless steel supports that also support drift eliminators. The heat exchange media is supported by stainless steel supports.

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Mooney Mooney, Australia

John Edward Rule