Patents by Inventor John A. Dally
John A. Dally has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250108429Abstract: A coil wound heat exchanger utilizing a deformable support system and method for making a tube bundle for the same includes a mandrel, a first tube layer formed by winding one or more tubes around the mandrel, and a plurality of supports and spacers circumferentially-arranged in an alternating pattern on an outer surface of the first tube layer. A second tube layer is formed by winding one or more tubes around the mandrel, whereby the second tube layer contacts an opposite side of the supports. A deforming force is applied to the second tube layer in a direction normal to the outer surface of each support, which causes the one or more tubes forming the second tube layer to deform the outer support surface of each support.Type: ApplicationFiled: September 29, 2023Publication date: April 3, 2025Applicant: Air Products and Chemicals, Inc.Inventors: Ali Ok, John A. Dally, Stephen Clyde Tentarelli, Ross Strebig, Christopher R. Butler
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Patent number: 11859903Abstract: A method of constructing a coil wound heat exchange module and transporting and installing the coil wound heat exchange module at a plant site, such as an natural gas liquefaction plant. A module frame is constructed and attached to a heat exchanger shell prior to telescoping of a coil wound mandrel into the shell. The module frame includes a lug and two saddles that remain attached to the shell throughout the process and when the heat exchanger is operated. The lug and saddles are constructed and located to stabilize the shell during construction, telescoping and transport (when in a horizontal orientation), and when the shell is installed at the plant site (in a vertical orientation). The lugs and saddles are adapted to allow for thermal expansion and contraction of the shell when it is transitioned from ambient to operating temperature and vice versa.Type: GrantFiled: June 9, 2022Date of Patent: January 2, 2024Assignee: Air Products and Chemicals, Inc.Inventors: Joseph E. Voda, Adam R. Garcia, Kevin E. Tiemann, Christopher J. Ranella, Paul I. Debrah, John A. Dally
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Patent number: 11499775Abstract: Described herein are methods and systems for liquefying natural gas using an open-loop natural gas refrigeration cycle; coil wound heat exchanger units suitable for cooling one or more feed streams, such as for example one or more natural gas feed streams, via indirect heat exchange with a gaseous refrigerant; and methods and systems for removing heavy components from a natural gas prior to liquefying the natural gas using an open-loop natural gas refrigeration cycle.Type: GrantFiled: June 30, 2020Date of Patent: November 15, 2022Assignee: Air Products and Chemicals, Inc.Inventors: Mark Julian Roberts, John A. Dally
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Publication number: 20220299263Abstract: A method of constructing a coil wound heat exchange module and transporting and installing the coil wound heat exchange module at a plant site, such as an natural gas liquefaction plant. A module frame is constructed and attached to a heat exchanger shell prior to telescoping of a coil wound mandrel into the shell. The module frame includes a lug and two saddles that remain attached to the shell throughout the process and when the heat exchanger is operated. The lug and saddles are constructed and located to stabilize the shell during construction, telescoping and transport (when in a horizontal orientation), and when the shell is installed at the plant site (in a vertical orientation). The lugs and saddles are adapted to allow for thermal expansion and contraction of the shell when it is transitioned from ambient to operating temperature and vice versa.Type: ApplicationFiled: June 9, 2022Publication date: September 22, 2022Applicant: Air Products and Chemicals, Inc.Inventors: Joseph E. Voda, Adam R. Garcia, Kevin E. Tiemann, Christopher J. Ranella, Paul I. Debrah, John A. Dally
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Patent number: 11391512Abstract: A method of constructing a coil wound heat exchange module and transporting and installing the coil wound heat exchange module at a plant site, such as an natural gas liquefaction plant. A module frame is constructed and attached to a heat exchanger shell prior to telescoping of a coil wound mandrel into the shell. The module frame includes a lug and two saddles that remain attached to the shell throughout the process and when the heat exchanger is operated. The lug and saddles are constructed and located to stabilize the shell during construction, telescoping and transport (when in a horizontal orientation), and when the shell is installed at the plant site (in a vertical orientation). The lugs and saddles are adapted to allow for thermal expansion and contraction of the shell when it is transitioned from ambient to operating temperature and vice versa.Type: GrantFiled: March 9, 2021Date of Patent: July 19, 2022Assignee: Air Products and Chemicals, Inc.Inventors: Joseph E. Voda, Adam R. Garcia, Kevin E. Tiemann, Christopher J. Ranella, Paul I. Debrah, John A. Dally
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Publication number: 20210404738Abstract: Described herein are methods and systems for liquefying natural gas using an open-loop natural gas refrigeration cycle; coil wound heat exchanger units suitable for cooling one or more feed streams, such as for example one or more natural gas feed streams, via indirect heat exchange with a gaseous refrigerant; and methods and systems for removing heavy components from a natural gas prior to liquefying the natural gas using an open-loop natural gas refrigeration cycle.Type: ApplicationFiled: June 30, 2020Publication date: December 30, 2021Applicant: Air Products and Chemicals, Inc.Inventors: Mark Julian Roberts, John A. Dally
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Publication number: 20210190419Abstract: A method of constructing a coil wound heat exchange module and transporting and installing the coil wound heat exchange module at a plant site, such as an natural gas liquefaction plant. A module frame is constructed and attached to a heat exchanger shell prior to telescoping of a coil wound mandrel into the shell. The module frame includes a lug and two saddles that remain attached to the shell throughout the process and when the heat exchanger is operated. The lug and saddles are constructed and located to stabilize the shell during construction, telescoping and transport (when in a horizontal orientation), and when the shell is installed at the plant site (in a vertical orientation). The lugs and saddles are adapted to allow for thermal expansion and contraction of the shell when it is transitioned from ambient to operating temperature and vice versa.Type: ApplicationFiled: March 9, 2021Publication date: June 24, 2021Inventors: Joseph E. Voda, Adam R. Garcia, Kevin E. Tiemann, Christopher J. Ranella, Paul I. Debrah, John A. Dally