Patents by Inventor Wally Karrat
Wally Karrat 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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Patent number: 11523545Abstract: High-efficiency cooling is performed in a data center in response to a cooling and/or humidity demand using a system having multiple cooling loops. The system includes a plurality of integrated cooling systems each comprising one or more specifically sized chillers and a liquid loop to address the cooling demand. A free cooling heat exchanger is coupled to the first liquid loop for use when a wet-bulb temperature surrounding the data center is at or below a free cooling set point of the first chilled liquid loop. The system isolates humidity control components to a second chilled liquid loop, and enables greater control of the first chilled liquid loop of the data center to meet specific IT loads.Type: GrantFiled: April 16, 2018Date of Patent: December 6, 2022Assignee: KYNDRYL, INC.Inventors: Wally Karrat, Bret W. Lehman, Ronald J. Licare, Daniel Pare
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Patent number: 11039556Abstract: Approaches presented herein enable cooling a data center with a cooling system having a relatively high coolant temperature. This cooling system is controlled by a building management system and includes piping through which coolant flows, an air cooling unit in thermal contact with the coolant, and a chiller to cool the coolant to a temperature between 18 and 22 degrees Celsius as instructed by the building management system. The building management system uses a chiller controller to vary the chilling of coolant within a range of 18-22 degrees Celsius, thereby controlling the air temperature within the data center to within a required temperature range. Because the building management system maintains the coolant temperature to 18-22 degrees Celsius, the cooling system can be simplified by excluding typical cooling system components such as variable flow control valves and their controllers. This simplification decreases the need for maintenance and reduces operating cost.Type: GrantFiled: May 24, 2019Date of Patent: June 15, 2021Assignee: International Business Machines CorporationInventors: Wally Karrat, Lin Heng Lee, Daniel Pare
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Publication number: 20190281732Abstract: Approaches presented herein enable cooling a data center with a cooling system having a relatively high coolant temperature. This cooling system is controlled by a building management system and includes piping through which coolant flows, an air cooling unit in thermal contact with the coolant, and a chiller to cool the coolant to a temperature between 18 and 22 degrees Celsius as instructed by the building management system. The building management system uses a chiller controller to vary the chilling of coolant within a range of 18-22 degrees Celsius, thereby controlling the air temperature within the data center to within a required temperature range. Because the building management system maintains the coolant temperature to 18-22 degrees Celsius, the cooling system can be simplified by excluding typical cooling system components such as variable flow control valves and their controllers. This simplification decreases the need for maintenance and reduces operating cost.Type: ApplicationFiled: May 24, 2019Publication date: September 12, 2019Inventors: Wally Karrat, Lin Heng Lee, Daniel Pare
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Patent number: 10398065Abstract: Approaches presented herein enable cooling a data center with a cooling system having a relatively high coolant temperature. This cooling system is controlled by a building management system and includes piping through which coolant flows, an air cooling unit in thermal contact with the coolant, and a chiller to cool the coolant to a temperature between 18 and 22 degrees Celsius as instructed by the building management system. The building management system uses a chiller controller to vary the chilling of coolant within a range of 18-22 degrees Celsius, thereby controlling the air temperature within the data center to within a required temperature range. Because the building management system maintains the coolant temperature to 18-22 degrees Celsius, the cooling system can be simplified by excluding typical cooling system components such as variable flow control valves and their controllers. This simplification decreases the need for maintenance and reduces operating cost.Type: GrantFiled: June 2, 2017Date of Patent: August 27, 2019Assignee: International Business Machines CorporationInventors: Wally Karrat, Lin Heng Lee, Daniel Pare
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Publication number: 20180352683Abstract: Approaches presented herein enable cooling a data center with a cooling system having a relatively high coolant temperature. This cooling system is controlled by a building management system and includes piping through which coolant flows, an air cooling unit in thermal contact with the coolant, and a chiller to cool the coolant to a temperature between 18 and 22 degrees Celsius as instructed by the building management system. The building management system uses a chiller controller to vary the chilling of coolant within a range of 18-22 degrees Celsius, thereby controlling the air temperature within the data center to within a required temperature range. Because the building management system maintains the coolant temperature to 18-22 degrees Celsius, the cooling system can be simplified by excluding typical cooling system components such as variable flow control valves and their controllers. This simplification decreases the need for maintenance and reduces operating cost.Type: ApplicationFiled: June 2, 2017Publication date: December 6, 2018Inventors: Wally Karrat, Lin Heng Lee, Daniel Pare
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Publication number: 20180235109Abstract: Embodiments of the invention provide high-efficiency cooling in a data center in response to a cooling and/or humidity demand using a system having multiple cooling loops to allow for a higher chilled liquid temperature of a first chilled liquid loop, while maintaining data center room temperature and humidity control. Specifically, the system includes a plurality of integrated cooling systems each comprising one or more specifically sized chillers and a liquid loop to address the cooling demand. A free cooling heat exchanger is coupled to the first liquid loop for use when a wet-bulb temperature surrounding the data center is at or below a free cooling set point of the first chilled liquid loop. The system isolates humidity control components to a second chilled liquid loop, and enables greater control of the first chilled liquid loop of the data center to meet specific IT loads.Type: ApplicationFiled: April 16, 2018Publication date: August 16, 2018Inventors: Wally Karrat, Bret W. Lehman, Ronald J. Licare, Daniel Pare
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Patent number: 9999163Abstract: Embodiments of the invention provide high-efficiency cooling in a data center in response to a cooling and/or humidity demand using a system having multiple cooling loops to allow for a higher chilled liquid temperature of a first chilled liquid loop, while maintaining data center room temperature and humidity control. Specifically, the system includes a plurality of integrated cooling systems each comprising one or more specifically sized chillers and a liquid loop to address the cooling demand. A free cooling heat exchanger is coupled to the first liquid loop for use when a wet-bulb temperature surrounding the data center is at or below a free cooling set point of the first chilled liquid loop. The system isolates humidity control components to a second chilled liquid loop, and enables greater control of the first chilled liquid loop of the data center to meet specific IT loads.Type: GrantFiled: August 22, 2012Date of Patent: June 12, 2018Assignee: International Business Machines CorporationInventors: Wally Karrat, Bret W. Lehman, Ronald J. Licare, Daniel Pare
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Patent number: 9111054Abstract: A data center design tool is described herein. The tool receives a number of design specifications for a proposed facility of the data center. The tool determines requirements of the data center based on the design specifications. Further, the tool receives an equipment component input and attributes of the equipment component input for the data center. The tool determines additional equipment component inputs and additional attributes based on the received design specifications, the determined requirements, and the received equipment component inputs and attributes.Type: GrantFiled: July 23, 2013Date of Patent: August 18, 2015Assignee: International Business Machines CorporationInventor: Wally Karrat
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Patent number: 9066451Abstract: A heat exchanger system having a container having an inner chamber containing the media from which heat is to be pulled, and further having an outer surface to which is attached corrugated columns of thermally conducting material, cooling fluid conduits through the corrugated columns supplied with cooling water, at least the outer surface of the container and the corrugated columns is composed of metal and the outer surface of the container is separated from the inner surface by insulator material. It also contains a temperature monitor and controller for controlling the cooling system based upon the environment temperature to save energy.Type: GrantFiled: September 10, 2013Date of Patent: June 23, 2015Assignee: International Business Machines CorporationInventors: Brian A. Canney, Wally Karrat, Bret W. Lehman, Christopher L. Molloy
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Publication number: 20140053588Abstract: Embodiments of the invention provide high-efficiency cooling in a data center in response to a cooling and/or humidity demand using a system having multiple cooling loops to allow for a higher chilled liquid temperature of a first chilled liquid loop, while maintaining data center room temperature and humidity control. Specifically, the system includes a plurality of integrated cooling systems each comprising one or more specifically sized chillers and a liquid loop to address the cooling demand. A free cooling heat exchanger is coupled to the first liquid loop for use when a wet-bulb temperature surrounding the data center is at or below a free cooling set point of the first chilled liquid loop. The system isolates humidity control components to a second chilled liquid loop, and enables greater control of the first chilled liquid loop of the data center to meet specific IT loads.Type: ApplicationFiled: August 22, 2012Publication date: February 27, 2014Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Wally Karrat, Bret W. Lehman, Ronald J. Licare, Daniel Pare
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Patent number: 8630822Abstract: A data center design tool is described herein. The tool receives a number of design specifications for a proposed facility of the data center. The tool determines requirements of the data center based on the design specifications. Further, the tool receives an equipment component input and attributes of the equipment component input for the data center. The tool determines additional equipment component inputs and additional attributes based on the received design specifications, the determined requirements, and the received equipment component inputs and attributes.Type: GrantFiled: February 11, 2011Date of Patent: January 14, 2014Assignee: International Business Machines CorporationInventor: Wally Karrat
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Publication number: 20140008043Abstract: A heat exchanger system having a container having an inner chamber containing the media from which heat is to be pulled, and further having an outer surface to which is attached corrugated columns of thermally conducting material, cooling fluid conduits through the corrugated columns supplied with cooling water, at least the outer surface of the container and the corrugated columns is composed of metal and the outer surface of the container is separated from the inner surface by insulator material. It also contains a temperature monitor and controller for controlling the cooling system based upon the environment temperature to save energy.Type: ApplicationFiled: September 10, 2013Publication date: January 9, 2014Applicant: International Business Machines CorporationInventors: Brian A. Canney, Wally Karrat, Bret W. Lehman, Christopher L. Molloy
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Publication number: 20130317787Abstract: A data center design tool is described herein. The tool receives a number of design specifications for a proposed facility of the data center. The tool determines requirements of the data center based on the design specifications. Further, the tool receives an equipment component input and attributes of the equipment component input for the data center. The tool determines additional equipment component inputs and additional attributes based on the received design specifications, the determined requirements, and the received equipment component inputs and attributes.Type: ApplicationFiled: July 23, 2013Publication date: November 28, 2013Applicant: International Business Machines CorporationInventor: Wally Karrat
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Patent number: 8554390Abstract: A heat exchanger system having an IT container having an inner chamber containing the media from which heat is to be pulled, and further having an outer surface to which is attached corrugated columns of thermally conducting material, cooling water pipes through the corrugated columns supplied with cooling water, at least the outer surface of the container and the corrugated columns is composed of metal and the outer surface of the container is separated from the inner surface by insulator material. It also contains a temperature monitor and controller for controlling the cooling system based upon the environment temperature to save energy.Type: GrantFiled: November 16, 2010Date of Patent: October 8, 2013Assignee: International Business Machines CorporationInventors: Brian A. Canney, Wally Karrat, Bret W. Lehman, Christopher L. Molloy
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Publication number: 20120209573Abstract: A data center design tool is described herein. The tool receives a number of design specifications for a proposed facility of the data center. The tool determines requirements of the data center based on the design specifications. Further, the tool receives an equipment component input and attributes of the equipment component input for the data center. The tool determines additional equipment component inputs and additional attributes based on the received design specifications, the determined requirements, and the received equipment component inputs and attributes.Type: ApplicationFiled: February 11, 2011Publication date: August 16, 2012Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventor: Wally Karrat
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Publication number: 20120123607Abstract: A heat exchanger system having an IT container having an inner chamber containing the media from which heat is to be pulled, and further having an outer surface to which is attached corrugated columns of thermally conducting material, cooling water pipes through the corrugated columns supplied with cooling water, at least the outer surface of the container and the corrugated columns is composed of metal and the outer surface of the container is separated from the inner surface by insulator material. It also contains a temperature monitor and controller for controlling the cooling system based upon the environment temperature to save energy.Type: ApplicationFiled: November 16, 2010Publication date: May 17, 2012Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Brian A. Canney, Wally Karrat, Bret W. Lehman, Christopher L. Molloy