Patents by Inventor Giriraj Srinivasan
Giriraj Srinivasan 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: 20240170767Abstract: Battery thermal barrier systems are provided for traction battery packs. Exemplary battery thermal barrier systems may include one or more components that include a foam portion and an endothermic aerogel system configured to mitigate the effects of battery thermal events. The components may include bifurcation structures, canopy structures, thermal barrier plates, or combinations thereof.Type: ApplicationFiled: November 17, 2022Publication date: May 23, 2024Inventors: Bhaskara Rao BODDAKAYALA, Giriraj SRINIVASAN
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Publication number: 20240088499Abstract: A battery pack assembly includes a first cell stack having a first side and a second side. The first side is transverse to the second side. A second cell stack is adjacent the first side of first cell stack. A divider has a barrier portion and an attachment portion. The barrier portion is disposed between the first side of the first cell stack and the second cell stack. The attachment portion is secured directly to the second side of the first cell stack.Type: ApplicationFiled: September 13, 2022Publication date: March 14, 2024Inventors: Di Zhu, Christopher Steven Baldwin, John Peter Bilezikjian, Bhaskara Rao Boddakayala, Mohammadreza Eftekhari, Giriraj Srinivasan, Gene Willi
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Patent number: 11028947Abstract: An example coupling for an electric vehicle battery pack includes an attachment member configured to connect to a cold plate, a fluid inlet extending from the attachment member, and a fluid outlet extending from the attachment member.Type: GrantFiled: November 22, 2013Date of Patent: June 8, 2021Assignee: Ford Global Technologies, LLCInventors: Giriraj Srinivasan, Neil Robert Burrows, James McManaman
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Patent number: 10886517Abstract: Electrified vehicles such as hybrid electric vehicles (HEV's), plug-in hybrid electric vehicles (PHEV's), battery electric vehicles (BEV's), or fuel cell vehicles differ from conventional motor vehicles in that they are powered by one or more electric machines (i.e., electric motors and/or generators) instead of or in addition to an internal combustion engine. High voltage current for powering these types of electric machines is typically supplied by a high voltage traction battery system having one or more battery cells that store energy.Type: GrantFiled: February 11, 2014Date of Patent: January 5, 2021Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventors: Giriraj Srinivasan, Patrick Daniel Maguire
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Patent number: 9964078Abstract: A filter assembly for a motor-vehicle air cleaner may include a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and supporting the main filter and the auxiliary filter. In an example embodiment, the filter mount is fittable in and removable from a housing of the air cleaner, and includes a sealing element passing between the main filter and the auxiliary filter.Type: GrantFiled: July 12, 2016Date of Patent: May 8, 2018Assignee: Ford Global Technologies, LLCInventors: Thanh Pham, Giriraj Srinivasan, Roger Khami, William C. Ronzi
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Publication number: 20160319781Abstract: A filter assembly for a motor-vehicle air cleaner may include a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and supporting the main filter and the auxiliary filter. In an example embodiment, the filter mount is fittable in and removable from a housing of the air cleaner, and includes a sealing element passing between the main filter and the auxiliary filter.Type: ApplicationFiled: July 12, 2016Publication date: November 3, 2016Inventors: Thanh Pham, Giriraj Srinivasan, Roger Khami, William C. Ronzi
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Patent number: 9387427Abstract: A filter assembly for a motor-vehicle air cleaner may include a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and supporting the main filter and the auxiliary filter. In an example embodiment, the filter mount is fittable in and removable from a housing of the air cleaner, and includes a sealing element passing between the main filter and the auxiliary filter.Type: GrantFiled: April 23, 2014Date of Patent: July 12, 2016Assignee: Ford Global Technologies, LLCInventors: Thanh Pham, Giriraj Srinivasan, Roger Khami, William C. Ronzi
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Patent number: 9362598Abstract: A traction battery assembly includes cells stacked in an array and a thermal plate positioned against the array. An interior of the thermal plate defines a C-channel formed from several chambers spanning a length of the array and configured to circulate fluid therein to facilitate heat transfer with the cells.Type: GrantFiled: August 25, 2014Date of Patent: June 7, 2016Assignee: Ford Global Technologies, LLCInventors: Giriraj Srinivasan, Patrick Daniel Maguire, Sai K. Perumalla
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Patent number: 9353779Abstract: An encapsulated retainer comprises a barrel that defines a fastener-securing void. The barrel has a flange that extends about its periphery. The encapsulated retainer further comprises an outer shell that has a top wall with a fastener-receiving aperture and a bottom wall that has a barrel-receiving aperture. The barrel extends into the barrel-receiving aperture. The encapsulated retainer further comprises first and second side walls which connect the top wall with the bottom wall. A connecter connects the outer shell with the flange.Type: GrantFiled: November 16, 2011Date of Patent: May 31, 2016Assignee: Ford Global Technologies, LLCInventors: Brian Pierre Hendrix, Giriraj Srinivasan, Brian F. Vander Haagen, David Thomas McNarney
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Publication number: 20160056516Abstract: A traction battery assembly includes cells stacked in an array and a thermal plate positioned against the array. An interior of the thermal plate defines a C-channel formed from several chambers spanning a length of the array and configured to circulate fluid therein to facilitate heat transfer with the cells.Type: ApplicationFiled: August 25, 2014Publication date: February 25, 2016Inventors: Giriraj SRINIVASAN, Patrick Daniel MAGUIRE, Sai K. PERUMALLA
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Patent number: 9178196Abstract: A battery assembly having a plurality of battery modules capable of powering a traction motor of a vehicle. First and second end frames are provided on the battery modules. A plurality of battery cells is disposed between the first and second end frames. The first end frame of one of the battery modules has a first pocket. The second end frame of an adjacent battery module has a second pocket. The first and second pockets are aligned when the battery assembly is assembled to define a receptacle. A thermistor is disposed in the receptacle. The thermistor extends through the first pocket of the first end frame and at least partially into the second pocket of the second end frame.Type: GrantFiled: September 6, 2012Date of Patent: November 3, 2015Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventors: Giriraj Srinivasan, Patrick Daniel Maguire, Kanchana Pentapati
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Publication number: 20150228953Abstract: Electrified vehicles such as hybrid electric vehicles (HEV's), plug-in hybrid electric vehicles (PHEV's), battery electric vehicles (BEV's), or fuel cell vehicles differ from conventional motor vehicles in that they are powered by one or more electric machines (i.e., electric motors and/or generators) instead of or in addition to an internal combustion engine. High voltage current for powering these types of electric machines is typically supplied by a high voltage traction battery system having one or more battery cells that store energy.Type: ApplicationFiled: February 11, 2014Publication date: August 13, 2015Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Giriraj SRINIVASAN, Patrick Daniel MAGUIRE
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Patent number: 8968912Abstract: A battery module assembly and method of assembling a battery. The battery module assembly includes a plurality of modules in which a plurality of battery cells are preassembled. The modules are compressed by end plates that are held together under compression by a plurality of linking members. The end plates may include a protrusion that applies pressure to the central portion of the battery cells within the modules. The central portion of the end plates may be partially spherical, partially cylindrical or a flat surface.Type: GrantFiled: March 5, 2012Date of Patent: March 3, 2015Assignee: Ford Global Technologies, LLCInventors: Patrick Daniel Maguire, Giriraj Srinivasan, Steven F. Chorian, Kanchana Pentapati
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Publication number: 20140230386Abstract: A filter assembly for a motor-vehicle air cleaner comprises a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and configured to support the main filter and the auxiliary filter. In this embodiment, the filter mount is fittable in and removable from a housing of the air cleaner, and includes a sealing element passing between the main filter and the auxiliary filter.Type: ApplicationFiled: April 23, 2014Publication date: August 21, 2014Applicant: Ford Global Technologies, LLCInventors: Thanh Pham, Giriraj Srinivasan, Roger Khami, William C. Ronzi
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Patent number: 8734556Abstract: A filter assembly for a motor-vehicle air cleaner comprises a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and configured to support the main filter and the auxiliary filter. In this embodiment, the filter mount is fittable in and removable from a housing of the air cleaner, and includes a sealing element passing between the main filter and the auxiliary filter.Type: GrantFiled: February 19, 2013Date of Patent: May 27, 2014Assignee: Ford Global Technologies, LLCInventors: Giriraj Srinivasan, Thanh Pham, Roger Khami, William C. Ronzi
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Publication number: 20130164569Abstract: A battery assembly having a plurality of battery modules capable of powering a traction motor of a vehicle. First and second end frames are provided on the battery modules. A plurality of battery cells is disposed between the first and second end frames. The first end frame of one of the battery modules has a first pocket. The second end frame of an adjacent battery module has a second pocket. The first and second pockets are aligned when the battery assembly is assembled to define a receptacle. A thermistor is disposed in the receptacle. The thermistor extends through the first pocket of the first end frame and at least partially into the second pocket of the second end frame.Type: ApplicationFiled: September 6, 2012Publication date: June 27, 2013Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Giriraj Srinivasan, Patrick Daniel Maguire, Kanchana Pentapati
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Publication number: 20130164592Abstract: A battery module assembly and method of assembling a battery. The battery module assembly includes a plurality of modules in which a plurality of battery cells are preassembled. The modules are compressed by end plates that are held together under compression by a plurality of linking members. The end plates may include a protrusion that applies pressure to the central portion of the battery cells within the modules. The central portion of the end plates may be partially spherical, partially cylindrical or a flat surface.Type: ApplicationFiled: March 5, 2012Publication date: June 27, 2013Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Patrick Daniel Maguire, Giriraj Srinivasan, Steven F. Chorian, Kanchana Pentapati
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Publication number: 20130121789Abstract: An encapsulated retainer comprises a barrel that defines a fastener-securing void. The barrel has a flange that extends about its periphery. The encapsulated retainer further comprises an outer shell that has a top wall with a fastener-receiving aperture and a bottom wall that has a barrel-receiving aperture. The barrel extends into the barrel-receiving aperture. The encapsulated retainer further comprises first and second side walls which connect the top wall with the bottom wall. A connecter connects the outer shell with the flange.Type: ApplicationFiled: November 16, 2011Publication date: May 16, 2013Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Brian Pierre Hendrix, Giriraj Srinivasan, Brian F. Vander Haagen, David Thomas McNarney
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Patent number: 8425645Abstract: A motor-vehicle air cleaner comprises the filter assembly, an air-cleaner housing configured to fittably and removably accommodate the filter assembly and to enclose the main filter and the auxiliary filter separately when the filter assembly is accommodated in the air-cleaner housing. The motor-vehicle air cleaner further comprises a flow restrictor configured to restrict air flow to the auxiliary filter.Type: GrantFiled: August 14, 2012Date of Patent: April 23, 2013Assignee: Ford Global Technologies, LLCInventors: Thanh Pham, Joseph Matthew McCann, Giriraj Srinivasan, Roger Khami, Michael Marvin Landgraf, Thomas Eric Svenson, William C. Ronzi
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Patent number: 8377163Abstract: A filter assembly for a motor-vehicle air cleaner includes a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and configured to support the main filter and the auxiliary filter. In one embodiment, the filter mount is fittable in and removable from a housing of the air cleaner, and comprises a sealing element passing between the main filter and the auxiliary filter.Type: GrantFiled: July 3, 2012Date of Patent: February 19, 2013Assignee: Ford Global Technologies, LLCInventors: Giriraj Srinivasan, Thanh Pham, Roger Khami, William C. Ronzi