Patents Assigned to Baltimore Aircoil Company, Inc.
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Patent number: 10571197Abstract: An improved indirect heat exchanger is provided which is comprised of a plurality of coil circuits, with each coil circuit comprised of an indirect heat exchange section tube run or plate. Each tube run or plate has at least one change in its geometric shape or may have a progressive change in its geometric shape proceeding from the inlet to the outlet of the circuit. The change in geometric shape along the circuit length allows simultaneously balancing of the external airflow, internal heat transfer coefficients, internal fluid side pressure drop, cross sectional area and heat transfer surface area to optimize heat transfer.Type: GrantFiled: October 12, 2016Date of Patent: February 25, 2020Assignee: Baltimore Aircoil Company, Inc.Inventors: Andrew Beaver, David Andrew Aaron, Yohann Lilian Rousselet
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Patent number: 10443942Abstract: 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.Type: GrantFiled: June 23, 2017Date of Patent: October 15, 2019Assignee: BALTIMORE AIRCOIL COMPANY, INC.Inventors: David Andrew Aaron, Zan Liu, Branislav Korenic, John Edward Rule, Preston P. Blay, Philip S. Hollander, Glenn David Comisac, Gregory Michael Lowman
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Patent number: 10415902Abstract: A cooling tower is provided having a heat exchange section. A water collection basin located above the heat exchange section. The water collection basin has a plurality of openings that allow water to be distributed downwardly onto the heat exchange section. The water collection basin openings each have a diameter of from 0.2 inch to 0.6 inch.Type: GrantFiled: December 9, 2016Date of Patent: September 17, 2019Assignee: Baltimore Aircoil Company, Inc.Inventor: Yoon Shin
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Patent number: 10386135Abstract: A fill sheet arrangement in a direct heat exchange section of a cooling tower is provided. Each fill sheet includes ridges, grooves, separators, and an air inlet louver zone itself having ridges, grooves and separators, that improve the performance of the fill sheet arrangement when installed as a direct heat exchange section of a cooling tower. The air inlet louver zone improves the air flow capabilities and performance of the direct heat exchange section by limiting the evaporative liquid from leaving the fill sheet.Type: GrantFiled: March 29, 2017Date of Patent: August 20, 2019Assignee: Baltimore Aircoil Company, Inc.Inventor: Yoon K. Shin
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Patent number: 10288351Abstract: 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.Type: GrantFiled: January 25, 2016Date of Patent: May 14, 2019Assignee: BALTIMORE AIRCOIL COMPANY, INC.Inventors: David Andrew Aaron, Zan Liu, Branislav Korenic, John Edward Rule, Preston P. Blay, Philip S. Hollander, Glenn David Comisac, Gregory Michael Lowman
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Patent number: 10132577Abstract: An adiabatic condenser or fluid cooler is provided. A condensing or fluid cooling coil is provided. An adiabatic pad is provided wherein water can be used to cool the ambient air before entering or impacting the condensing or fluid cooling coil. Controls are provided that can adjust or eliminate the amount of water flowing over the adiabatic pad. The adiabatic pad may also be physically moved to allow ambient air to directly impact the condensing or fluid cooling coil.Type: GrantFiled: January 20, 2014Date of Patent: November 20, 2018Assignee: BALTIMORE AIRCOIL COMPANY, INC.Inventors: Greg Martell, Adam Sheer, Philip Hollander, Preston Blay, David Andrew Aaron
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Patent number: 10054359Abstract: A motor mount and fan sheave assembly is provided comprising two main structural supports, with a motor mount attached to the two main structural supports such that the motor mount can slide along the two main structural supports. A motor is affixed to the motor mount, and a fan sheave affixed to the two main structural supports. A motor sheave extends from the motor, and a belt spans between the motor sheave and the fan sheave. A threaded rod passes through a receiving opening in the motor mount, such that wherein upon movement of the adjusting rod, the motor mount slides along the two main structural supports.Type: GrantFiled: October 18, 2016Date of Patent: August 21, 2018Assignee: BALTIMORE AIRCOIL COMPANY, INC.Inventors: Yoon Shin, Kevin Egolf, David Andrew Aaron
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Patent number: 9995533Abstract: 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.Type: GrantFiled: December 3, 2015Date of Patent: June 12, 2018Assignee: Baltimore Aircoil Company, Inc.Inventors: David Andrew Aaron, Zan Liu, Branislav Korenic, John Edward Rule, Preston P. Blay, Philip S. Hollander, Glenn David Comisac, Gregory Michael Lowman
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Patent number: 9803929Abstract: A heat exchange apparatus is provided with an indirect evaporative heat exchange section. An evaporative liquid is downwardly distributed onto the indirect section to indirectly exchange sensible heat with a hot fluid stream flowing within a series of enclosed circuits which comprise the indirect evaporative heat exchange section. An ideal flow rate for such evaporative liquid is between 2.0 and 4.0 gallons per minute per square foot of top surface area of the indirect heat exchange section.Type: GrantFiled: December 3, 2013Date of Patent: October 31, 2017Assignee: Baltimore Aircoil Company, Inc.Inventors: David Andrew Aaron, Zan Liu, Philip Hollander
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Patent number: 9587885Abstract: 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.Type: GrantFiled: June 12, 2015Date of Patent: March 7, 2017Assignee: Baltimore Aircoil Company, Inc.Inventors: David Andrew Aaron, Zan Liu, Branislav Korenic, John Edward Rule, Preston P. Blay, Philip S. Hollander
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Patent number: 9279619Abstract: 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.Type: GrantFiled: March 15, 2013Date of Patent: March 8, 2016Assignee: Baltimore Aircoil Company Inc.Inventors: David Andrew Aaron, Zan Liu, Branislav Korenic, John Edward Rule, Preston Blay, Philip S. Hollander, Glenn David Comisac, Gregory Michael Lowman
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Patent number: 9255739Abstract: 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.Type: GrantFiled: March 15, 2013Date of Patent: February 9, 2016Assignee: Baltimore Aircoil Company, Inc.Inventors: David Andrew Aaron, Zan Liu, Branislav Korenic, John Edward Rule, Preston Blay, Philip S. Hollander, Glenn David Comisac, Gregory Michael Lowman
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Patent number: 9170054Abstract: A fill sheet for use in a fill arrangement in a direct heat exchange section of a cooling tower is provided. Each fill sheet includes ridges, grooves, separators, that improve the performance of the fill sheet arrangement when installed as a direct heat exchange section of a cooling tower. The separators are located in minor air paths between the fill sheet to improve the air flow capabilities and performance of the direct heat exchange section.Type: GrantFiled: July 31, 2013Date of Patent: October 27, 2015Assignee: Baltimore Aircoil Company, Inc.Inventors: Yoon K. Shin, Richard H. Harrison, Raymond Charlton, Kevin Egolf
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Publication number: 20150204626Abstract: An adiabatic condenser or fluid cooler is provided. A condensing or fluid cooling coil is provided. An adiabatic pad is provided wherein water can be used to cool the ambient air before entering or impacting the condensing or fluid cooling coil. Controls are provided that can adjust or eliminate the amount of water flowing over the adiabatic pad. The adiabatic pad may also be physically moved to allow ambient air to directly impact the condensing or fluid cooling coil.Type: ApplicationFiled: January 20, 2014Publication date: July 23, 2015Applicant: Baltimore Aircoil Company, Inc.Inventors: Greg Martell, Adam Sheer, Philip Hollander, Preston Blay, David Andrew Aaron
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Patent number: 9057563Abstract: A heat exchange apparatus is provided with an indirect evaporative heat exchange section and a direct evaporative heat exchange section. The indirect evaporative heat exchange section is usually located above the direct evaporative heat exchange section, and an evaporative liquid is passed downwardly onto the indirect heat exchange section. The evaporative liquid that exits the indirect evaporative heat exchange section then passes downwardly across and through the direct 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. The indirect heat exchange section is comprised of a plate type heat exchanger.Type: GrantFiled: December 17, 2012Date of Patent: June 16, 2015Assignee: Baltimore Aircoil Company, Inc.Inventors: Thomas Carter, Zan Liu, David Andrew Aaron, Philip Hollander
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Patent number: 9057564Abstract: A heat exchange apparatus is provided with an indirect evaporative heat exchange section and a direct evaporative heat exchange section. The indirect evaporative heat exchange section is usually located above the direct evaporative heat exchange section, and an evaporative liquid is passed downwardly onto the indirect heat exchange section. The evaporative liquid that exits the indirect evaporative heat exchange section then passes downwardly across and through the direct 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. The indirect heat exchange section is comprised of a plate type heat exchanger. An improved heat exchange apparatus is provided with indirect evaporative heat exchange section consisting of a plate type heat exchanger which provides more surface area per volume compared to other designs.Type: GrantFiled: December 17, 2012Date of Patent: June 16, 2015Assignee: Baltimore Aircoil Company, Inc.Inventors: Thomas Carter, Zan Liu, David Andrew Aaron, Philip Hollander
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Patent number: 9004463Abstract: A heat exchange apparatus is provided with an indirect evaporative heat exchange section and a direct evaporative heat exchange section. The indirect evaporative heat exchange section is usually located above the direct evaporative heat exchange section, and an evaporative liquid is passed downwardly onto the indirect heat exchange section. The evaporative liquid that exits the direct evaporative heat exchange section then passes downwardly across and through the indirect heat exchange section. The evaporative liquid is collected in a sump and then pumped upwardly to be distributed again across the direct heat exchange section. The indirect heat exchange section is comprised of a plate type heat exchanger.Type: GrantFiled: December 17, 2012Date of Patent: April 14, 2015Assignee: Baltimore Aircoil Company, Inc.Inventors: Thomas Carter, Zan Liu, David Andrew Aaron, Philip Hollander
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Publication number: 20150034277Abstract: A fill sheet for use in a fill arrangement in a direct heat exchange section of a cooling tower is provided. Each fill sheet includes ridges, grooves, separators, that improve the performance of the fill sheet arrangement when installed as a direct heat exchange section of a cooling tower. The separators are located in minor air paths between the fill sheet to improve the air flow capabilities and performance of the direct heat exchange section.Type: ApplicationFiled: July 31, 2013Publication date: February 5, 2015Applicant: Baltimore Aircoil Company, Inc.Inventors: Yoon K. Shin, Richard H. Harrison, Raymond Charlton, Kevin Egolf
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Patent number: 8931158Abstract: A liner and method of application for use on a metal surface to protect metal structures such as cooling towers, evaporative condensers, and other liquid containing vessels such as tanks from corrosion, leaks, and wear. The liner is an inexpensive apparatus and process comprising a coated metal having a second sealing and bonding layer and a third protective sealing layer. The liner method comprises applying an organic bonding layer onto the galvanized substrate, and applying an elastomeric barrier coating to the bonding layer. The barrier coating material is applied to preseal the seams between adjoining panels assembled to form the basin. The barrier coating is applied to the entire inside of the basin to form a homogenous barrier coating extending out of the basin. The liner edge is isolated from the basin by extending the liner to a point between the basin and an upper section.Type: GrantFiled: January 25, 2011Date of Patent: January 13, 2015Assignee: Baltimore Aircoil Company, Inc.Inventors: Frank T. Morrison, Greg M. Lowman, John R. Hawkins, James W. Furlong
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Publication number: 20140264974Abstract: 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 run sections 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.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: Baltimore Aircoil Company, Inc.Inventors: David Andrew Aaron, Zan Liu, Branislav Korenic, John Edward Rule, Preston Blay, Philip S. Hollander, Glenn David Comisac, Gregory Michael Lowman