Patents by Inventor H. Gene Havard
H. Gene Havard 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: 20220221203Abstract: The disclosed technology includes an air system including a first interlaced microchannel heat exchanger and a second interlaced microchannel heat exchanger. The air system can include a plurality of fluidly separated refrigerant circuits, and each of the refrigerant circuits can be configured to flow through the first interlaced microchannel heat exchanger and the second interlaced microchannel heat exchanger. The first interlaced microchannel heat exchanger can be located indoors, and the second interlaced microchannel heat exchanger can be located outdoors. Each of the refrigerant circuits can include its own compressor and expansion valve.Type: ApplicationFiled: January 11, 2022Publication date: July 14, 2022Inventors: Hari Krishna Kanagala, H. Gene Havard, Robert L. Long, Rosa Leal, David Kauppila, Junjie Luo
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Patent number: 10352611Abstract: In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on the determined fan property.Type: GrantFiled: October 26, 2017Date of Patent: July 16, 2019Assignee: Lennox Industries Inc.Inventors: Yi Qu, H. Gene Havard, Jon Douglas, Jeff Mangum
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Patent number: 9897361Abstract: In various implementations, compressor operation in an air conditioner may be managed by maintaining oil viscosity, a temperature differential, compressor sump temperature, and/or suction pressure. Properties of the air conditioner or portions thereof, such as the compressor, may be determined. To manage compressor operations, operation(s) of the air conditioner may be adjusted based on one or more of the determined properties.Type: GrantFiled: September 22, 2016Date of Patent: February 20, 2018Assignee: Lennox Industries Inc.Inventors: Rakesh Goel, Anuradha Sundararajan, H. Gene Havard, Jr., Mark Olsen
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Publication number: 20180045453Abstract: In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on the determined fan property.Type: ApplicationFiled: October 26, 2017Publication date: February 15, 2018Applicant: Lennox Industries Inc.Inventors: Yi Qu, H. Gene Havard, Jon Douglas, Jeff Mangum
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Patent number: 9803911Abstract: In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on the determined fan property.Type: GrantFiled: March 21, 2017Date of Patent: October 31, 2017Assignee: Lennox Industries Inc.Inventors: Yi Qu, H. Gene Havard, Jon Douglas, Jeff Mangum
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Publication number: 20170191732Abstract: In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on the determined fan property.Type: ApplicationFiled: March 21, 2017Publication date: July 6, 2017Applicant: Lennox Industries Inc.Inventors: Yi Qu, H. Gene Havard, Jon Douglas, Jeff Mangum
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Patent number: 9605889Abstract: In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on the determined fan property.Type: GrantFiled: May 13, 2016Date of Patent: March 28, 2017Assignee: Lennox Industries Inc.Inventors: Yi Qu, H. Gene Havard, Jon Douglas, Jeff Mangum
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Publication number: 20170010032Abstract: In various implementations, compressor operation in an air conditioner may be managed by maintaining oil viscosity, a temperature differential, compressor sump temperature, and/or suction pressure. Properties of the air conditioner or portions thereof, such as the compressor, may be determined. To manage compressor operations, operation(s) of the air conditioner may be adjusted based on one or more of the determined properties.Type: ApplicationFiled: September 22, 2016Publication date: January 12, 2017Applicant: Lennox Industries Inc.Inventors: Rakesh Goel, Anuradha Sundararajan, H. Gene Havard, JR., Mark Olsen
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Patent number: 9482454Abstract: In various implementations, compressor operation in an air conditioner may be managed by maintaining oil viscosity, a temperature differential, compressor sump temperature, and/or suction pressure. Properties of the air conditioner or portions thereof, such as the compressor, may be determined. To manage compressor operations, operation(s) of the air conditioner may be adjusted based on one or more of the determined properties.Type: GrantFiled: May 16, 2014Date of Patent: November 1, 2016Assignee: Lennox Industries Inc.Inventors: Rakesh Goel, Anuradha Sundararajan, H. Gene Havard, Jr., Mark Olsen
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Publication number: 20160258668Abstract: In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on the determined fan property.Type: ApplicationFiled: May 13, 2016Publication date: September 8, 2016Applicant: Lennox Industries Inc.Inventors: Yi Qu, H. Gene Havard, Jon Douglas, Jeff Mangum
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Patent number: 9341405Abstract: In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on the determined fan property.Type: GrantFiled: November 30, 2012Date of Patent: May 17, 2016Assignee: Lennox Industries Inc.Inventors: Yi Qu, H. Gene Havard, Jon Douglas, Jeff Mangum
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Publication number: 20150330688Abstract: In various implementations, compressor operation in an air conditioner may be managed by maintaining oil viscosity, a temperature differential, compressor sump temperature, and/or suction pressure. Properties of the air conditioner or portions thereof, such as the compressor, may be determined. To manage compressor operations, operation(s) of the air conditioner may be adjusted based on one or more of the determined properties.Type: ApplicationFiled: May 16, 2014Publication date: November 19, 2015Inventors: Rakesh Goel, Anuradha Sundararajan, H. Gene Havard, Jr., Mark Olsen
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Publication number: 20150276299Abstract: In various implementations, an air conditioner may manage operations of fan(s) of the air conditioner. The air conditioner may determine properties of the air conditioner (e.g., ambient temperature and/or pressure of a portion of the air conditioner) and determine setting(s) for fan(s) and/or a crankcase heater based on the determined properties.Type: ApplicationFiled: March 25, 2014Publication date: October 1, 2015Applicant: Lennox Industries Inc.Inventors: H. Gene Havard, JR., Thomas Pate
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Publication number: 20150139795Abstract: In various implementations, a plug fan assembly may include a plug fan housing and a blower wheel. The plug fan housing may include angled corner(s) and/or a flared portion. The plug fan may be utilized in an air conditioning system.Type: ApplicationFiled: November 21, 2013Publication date: May 21, 2015Applicant: LENNOX INDUSTRIES INC.Inventors: H. Gene Havard, Jr., Bryan Smith, Miguel Montemayor
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Publication number: 20140150477Abstract: In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on the determined fan property.Type: ApplicationFiled: November 30, 2012Publication date: June 5, 2014Inventors: Yi Qu, H. Gene Havard, Jon Douglas, Jeff Mangum
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Patent number: D815268Type: GrantFiled: February 16, 2017Date of Patent: April 10, 2018Assignee: Lennox Industries Inc.Inventors: David Mackey, Nick Chabolla, H. Gene Havard, John Ryan Robbins
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Patent number: D1005464Type: GrantFiled: October 20, 2021Date of Patent: November 21, 2023Assignee: Rheem Manufacturing CompanyInventors: H. Gene Havard, Jr., Michael Franklin, Hamid Ouabdenbi, Hari Kanagala, John R. Jones, Shawn Allan Reed, Daniel Ryan Schmalz