Patents by Inventor Pavak Mehta
Pavak Mehta 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: 11661941Abstract: Systems and methods to isolate a vibration source (e.g., a compressor) externally are disclosed. The embodiments generally include preventing/reducing vibration and/or pulsation transmission from the vibration source by one or more functional/structural isolating members, and preventing/reducing sound radiated from the vibration source by one or more sound enclosures.Type: GrantFiled: April 4, 2022Date of Patent: May 30, 2023Assignee: TRANE INTERNATIONAL INC.Inventors: Pavak Mehta, William B. Rockwood, Timothy G. Garvin
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Publication number: 20220220961Abstract: Systems and methods to isolate a vibration source (e.g., a compressor) externally are disclosed. The embodiments generally include preventing/reducing vibration and/or pulsation transmission from the vibration source by one or more functional/structural isolating members, and preventing/reducing sound radiated from the vibration source by one or more sound enclosures.Type: ApplicationFiled: April 4, 2022Publication date: July 14, 2022Inventors: Pavak Mehta, William B. Rockwood, Timothy G. Garvin
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Patent number: 11293441Abstract: Systems and methods to isolate a vibration source (e.g., a compressor) externally are disclosed. The embodiments generally include preventing/reducing vibration and/or pulsation transmission from the vibration source by one or more functional/structural isolating members, and preventing/reducing sound radiated from the vibration source by one or more sound enclosures.Type: GrantFiled: August 3, 2020Date of Patent: April 5, 2022Assignee: TRANE INTERNATIONAL INC.Inventors: Pavak Mehta, William B. Rockwood, Timothy G. Garvin
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Publication number: 20200362864Abstract: Systems and methods to isolate a vibration source (e.g., a compressor) externally are disclosed. The embodiments generally include preventing/reducing vibration and/or pulsation transmission from the vibration source by one or more functional/structural isolating members, and preventing/reducing sound radiated from the vibration source by one or more sound enclosures.Type: ApplicationFiled: August 3, 2020Publication date: November 19, 2020Inventors: Pavak Mehta, William B. Rockwood, Timothy G. Garvin
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Patent number: 10731648Abstract: Systems and methods to isolate a vibration source (e.g., a compressor) externally are disclosed. The embodiments generally include preventing/reducing vibration and/or pulsation transmission from the vibration source by one or more functional/structural isolating members, and preventing/reducing sound radiated from the vibration source by one or more sound enclosures.Type: GrantFiled: November 9, 2015Date of Patent: August 4, 2020Assignee: TRANE INTERNATIONAL INC.Inventors: Pavak Mehta, William B. Rockwood, Timothy G. Garvin
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Patent number: 10551086Abstract: A system and method for controlling a sound level in a heating, ventilation, and air conditioning (HVAC) system are disclosed. The system includes a refrigeration unit including a compressor, a condenser fan, a controller, and a sound controller. The sound controller is configured to maintain a sound level of the refrigeration unit within a sound level operating range. A method of controlling a refrigeration unit for a heating, ventilation, and air conditioning (HVAC) system is described. The method includes determining, by a controller, a cooling requirement of a conditioned space. The controller also determines a sound level operating range for the refrigeration unit. The method further includes the controller applying a cooling setting based on the cooling requirement and the sound level operating range.Type: GrantFiled: December 11, 2017Date of Patent: February 4, 2020Assignee: TRANE INTERNATIONAL INC.Inventors: Pavak Mehta, Sean Smith
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Patent number: 10240839Abstract: An exemplary system includes a compressor, a condenser, an expander, and an evaporator fluidly coupled to form a vapor-compression circuit, and an electric motor configured to drive the compressor. An inverter having a plurality of switching elements is configured to provide an output voltage to the electric motor through operation of the switching elements. A waste heat recovery circuit is configured to transfer waste heat from the inverter to a load. A controller is configured provide switching commands to the switching elements of the inverter. The controller is further configured to sense a condition of the system, determine a heat production requirement based at least in part upon the system condition, and to vary the number of switching commands per unit time based at least in part upon the heat production requirement.Type: GrantFiled: September 10, 2015Date of Patent: March 26, 2019Assignee: Trane International LLC.Inventors: Benjamin James Sykora, Nathan Thomas West, Pavak Mehta
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Patent number: 10240603Abstract: Methods, systems, and apparatuses are disclosed to isolate operation vibration of a compressor to reduce operational sound. A compressor may include an external shell, and one or more isolators that separate a compression mechanism of a compressor from the external shell. The isolator can help isolate the vibration of the compression mechanism from the external shell. The isolator can also support a weight of the compression mechanism. The external shell can also include one or more internal seals. The internal seals can help separate a low-pressure side (e.g., a suction side) and a high-pressure side (e.g., a discharge side) of the compression mechanism. The compressor may also include a pressure balancing mechanism configured to help reduce a pressure difference between, for example, two ends of the compression mechanism, so as to reduce/eliminate the compression mechanism from physical shift in position due to the pressure difference.Type: GrantFiled: May 21, 2015Date of Patent: March 26, 2019Assignee: TRANE INTERNATIONAL INC.Inventors: William B. Rockwood, Pavak Mehta, Dennis M. Beekman, Daniel R. Crum, Timothy G. Garvin, Rodney L. Lakowske, Gordon Powell, Jr.
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Patent number: 10228148Abstract: A vibration isolation apparatus for an air conditioning system may include a flow passage, at least a portion of which has a convoluted structure. The flow passage may also be coupled to two stabilizing members. The vibration isolation apparatus may include a structural supporting member to retain the two stabilizing members. The rod may be isolated from the stabilizing members by vibration isolation members. The vibration isolation apparatus may be positioned in a refrigeration line between an outlet of a compressor and a refrigerant pipe. The stabilizing members, the convoluted flow passage and the vibration isolation members may attenuate the vibration generated by the compressor so as to reduce the vibration transmitted to the refrigerant pipe. The structural supporting member may enhance the structural strength of the vibration isolation apparatus to withstand the pressure of the compressed refrigerant.Type: GrantFiled: July 11, 2013Date of Patent: March 12, 2019Assignee: TRANE INTERNATIONAL INC.Inventors: Pavak Mehta, Todd W. Smith, Rod Lakowske, Daniel R. Crum
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Patent number: 10030660Abstract: A pulsation and vibration control device for use with a compressor, which provides multiple vibration-reducing components in a compact space. The device comprises a muffler including a flange at the compressor end, a muffler body with vibration control features such as baffles, and a free end on a discharge line side but kept out of contact with the discharge line, and a bellows assembly, including an attachment to the muffler flange, an attachment to the discharge line, and first and second convolutions and a middle section which are sized such that they can fit over the muffler body without contacting it.Type: GrantFiled: May 31, 2017Date of Patent: July 24, 2018Assignee: TRANE INTERNATIONAL INC.Inventors: Pavak Mehta, William B. Rockwood
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Publication number: 20180163989Abstract: A system and method for controlling a sound level in a heating, ventilation, and air conditioning (HVAC) system are disclosed. The system includes a refrigeration unit including a compressor, a condenser fan, a controller, and a sound controller. The sound controller is configured to maintain a sound level of the refrigeration unit within a sound level operating range. A method of controlling a refrigeration unit for a heating, ventilation, and air conditioning (HVAC) system is described. The method includes determining, by a controller, a cooling requirement of a conditioned space. The controller also determines a sound level operating range for the refrigeration unit. The method further includes the controller applying a cooling setting based on the cooling requirement and the sound level operating range.Type: ApplicationFiled: December 11, 2017Publication date: June 14, 2018Inventors: Pavak MEHTA, Sean SMITH
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Patent number: 9841210Abstract: A system and method for controlling a sound level in a heating, ventilation, and air conditioning (HVAC) system are disclosed. The system includes a refrigeration unit including a compressor, a condenser fan, a controller, and a sound controller. The sound controller is configured to maintain a sound level of the refrigeration unit within a sound level operating range. A method of controlling a refrigeration unit for a heating, ventilation, and air conditioning (HVAC) system is described. The method includes determining, by a controller, a cooling requirement of a conditioned space. The controller also determines a sound level operating range for the refrigeration unit. The method further includes the controller applying a cooling setting based on the cooling requirement and the sound level operating range.Type: GrantFiled: April 22, 2015Date of Patent: December 12, 2017Assignee: TRANE INTERNATIONAL INC.Inventors: Pavak Mehta, Sean Smith
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Publication number: 20160131139Abstract: Systems and methods to isolate a vibration source (e.g., a compressor) externally are disclosed. The embodiments generally include preventing/reducing vibration and/or pulsation transmission from the vibration source by one or more functional/structural isolating members, and preventing/reducing sound radiated from the vibration source by one or more sound enclosures.Type: ApplicationFiled: November 9, 2015Publication date: May 12, 2016Inventors: Pavak Mehta, William B. Rockwood, Timothy G. Garvin
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Publication number: 20150377537Abstract: An exemplary system includes a compressor, a condenser, an expander, and an evaporator fluidly coupled to form a vapor-compression circuit, and an electric motor configured to drive the compressor. An inverter having a plurality of switching elements is configured to provide an output voltage to the electric motor through operation of the switching elements. A waste heat recovery circuit is configured to transfer waste heat from the inverter to a load. A controller is configured provide switching commands to the switching elements of the inverter. The controller is further configured to sense a condition of the system, determine a heat production requirement based at least in part upon the system condition, and to vary the number of switching commands per unit time based at least in part upon the heat production requirement.Type: ApplicationFiled: September 10, 2015Publication date: December 31, 2015Inventors: Nathan Thomas West, Benjamin James Sykora, Pavak Mehta
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Publication number: 20150337840Abstract: Methods, systems, and apparatuses are disclosed to isolate operation vibration of a compressor to reduce operational sound. A compressor may include an external shell, and one or more isolators that separate a compression mechanism of a compressor from the external shell. The isolator can help isolate the vibration of the compression mechanism from the external shell. The isolator can also support a weight of the compression mechanism. The external shell can also include one or more internal seals. The internal seals can help separate a low-pressure side (e.g., a suction side) and a high-pressure side (e.g., a discharge side) of the compression mechanism. The compressor may also include a pressure balancing mechanism configured to help reduce a pressure difference between, for example, two ends of the compression mechanism, so as to reduce/eliminate the compression mechanism from physical shift in position due to the pressure difference.Type: ApplicationFiled: May 21, 2015Publication date: November 26, 2015Inventors: William B. Rockwood, Pavak Mehta, Dennis M. Beekman, Daniel R. Crum, Timothy G. Garvin, Rodney L. Lakowske, Gordon Powell, JR.
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Publication number: 20150300684Abstract: A system and method for controlling a sound level in a heating, ventilation, and air conditioning (HVAC) system are disclosed. The system includes a refrigeration unit including a compressor, a condenser fan, a controller, and a sound controller. The sound controller is configured to maintain a sound level of the refrigeration unit within a sound level operating range. A method of controlling a refrigeration unit for a heating, ventilation, and air conditioning (HVAC) system is described. The method includes determining, by a controller, a cooling requirement of a conditioned space. The controller also determines a sound level operating range for the refrigeration unit. The method further includes the controller applying a cooling setting based on the cooling requirement and the sound level operating range.Type: ApplicationFiled: April 22, 2015Publication date: October 22, 2015Inventors: Pavak MEHTA, Sean SMITH
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Publication number: 20150192310Abstract: A vibration isolation apparatus for an air conditioning system may include a flow passage, at least a portion of which has a convoluted structure. The flow passage may also be coupled to two stabilizing members. The vibration isolation apparatus may include a structural supporting member to retain the two stabilizing members. The rod may be isolated from the stabilizing members by vibration isolation members. The vibration isolation apparatus may be positioned in a refrigeration line between an outlet of a compressor and a refrigerant pipe. The stabilizing members, the convoluted flow passage and the vibration isolation members may attenuate the vibration generated by the compressor so as to reduce the vibration transmitted to the refrigerant pipe. The structural supporting member may enhance the structural strength of the vibration isolation apparatus to withstand the pressure of the compressed refrigerant.Type: ApplicationFiled: July 11, 2013Publication date: July 9, 2015Applicant: TRANE INTERNATIONAL INC.Inventors: Pavak Mehta, Todd W. Smith, Rod Lakowske, Daniel R. Crum
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Publication number: 20100003319Abstract: The present invention relates generally to formulations containing raloxifene or pharmaceutical salts thereof, as the active pharmaceutical ingredient and a process for preparing the same.Type: ApplicationFiled: June 30, 2009Publication date: January 7, 2010Applicant: GLENMARK GENERICS LTD.Inventors: Pavak Mehta, Kamal Mehta, Abhijeet Upadhye
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Publication number: 20090324728Abstract: Compositions comprising amorphous substituted benzimidazole compounds.Type: ApplicationFiled: September 3, 2009Publication date: December 31, 2009Applicants: Dr. Reddy's Laboratories Limited, Dr. Reddy Laboratories, Inc.Inventors: Indu Bhushan, Kavita Vermani, Ravinder Kodipyaka, Pavak Mehta, Mailatur Sivaraman Mohan
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Publication number: 20080146615Abstract: Compositions comprising amorphous substituted benzimidazole compounds.Type: ApplicationFiled: December 20, 2005Publication date: June 19, 2008Applicants: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.Inventors: Indu Bhushan, Kavita Vermani, Ravinder Kodipyaka, Pavak Mehta, Mailatur Sivaraman Mohan