Patents by Inventor Dipankar Pal
Dipankar Pal 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: 9581036Abstract: Systems and devices configured to seal interfaces/gaps between stationary components of turbines and manipulate a flow of coolant about portions of the turbine during turbine operation are disclosed. In one embodiment, a seal element includes: a first surface shaped to be oriented toward a pressurized cavity of the turbine; a second surface oriented substantially opposite the first surface and shaped to sealingly engage a contact surface of the static components; and a first set of angular features disposed in the second surface, the first set of angular features fluidly connecting the pressurized cavity and the flowpath of the turbine.Type: GrantFiled: May 14, 2013Date of Patent: February 28, 2017Assignee: General Electric CompanyInventors: Dipankar Pal, Robert Walter Coign, Gary Michael Itzel, Kevin Thomas McGovern, Christopher Donald Porter
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Patent number: 9584470Abstract: A system and a method using the system for wireless communication using a vehicle telematics unit, including the steps of: prior to a vehicle telematics unit establishing a network connection, assigning a temporary internet protocol (IP) address having a short-term lease duration to a mobile device to permit communication between the telematics unit and the mobile device; and if the network connection is not established prior to the expiration of the short-term lease duration, renewing the temporary IP address, wherein the renewal lease duration is shorter than the earlier lease duration.Type: GrantFiled: February 7, 2014Date of Patent: February 28, 2017Assignee: General Motors LLCInventors: Dipankar Pal, Muhammad Fahad Alam, Ronald Terry
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Patent number: 9576474Abstract: A method and a system for providing vehicle services to at least one communication device located at a vehicle via a vehicle telematics unit. The method carried out by the system includes the steps of: receiving a request at the vehicle telematics unit for first vehicle services from a first communication device located at a vehicle; associating a first identifier with the first communication device; and providing the first vehicle services to the first communication device, wherein the vehicle services are provided according to at least one services parameter associated with the first identifier.Type: GrantFiled: February 4, 2014Date of Patent: February 21, 2017Assignee: General Motors LLCInventors: Andrew J Macdonald, Jonathan L Gerlach, Dipankar Pal, David George
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Publication number: 20170034810Abstract: A method, implemented at a server of an operations control center of a telematics service provider, for transmitting commands to a network access device, is described. The method involves creating one or more command data packets, each comprising a payload and control information, the control information identifying an AT command air interface. The method further involves transmitting, by the server, the command data packets to the network access device via the AT command air interface, wherein the AT command air interface is a first tunnel extending through a network of the vehicular telematics unit. In addition, a method, implemented at a baseband processor of a network access device of a vehicular telematics unit, for receiving commands from a server of an operations control center and a system for transmitting commands between a server of an operations control center and a network access device are also described.Type: ApplicationFiled: July 29, 2015Publication date: February 2, 2017Inventors: DIPANKAR PAL, DAVID GEORGE, SAIHEMA VENKATARAMANAN
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Patent number: 9480066Abstract: A system and method of controlling Wi-Fi module operation based on vehicle location includes: detecting at a vehicle a geopolitical identifier broadcast by a wireless carrier system; determining whether operational settings of the Wi-Fi module conform to operational settings specified for the detected geopolitical identifier; and changing the operational settings of the Wi-Fi module when not conforming to the operational settings specified for the detected geopolitical identifier.Type: GrantFiled: March 17, 2015Date of Patent: October 25, 2016Assignees: General Motors LLC, GM Global Technology Operations LLCInventors: Lakshmi V. Thanayankizil, Mohammad Ishfaq, Curtis L. Hay, Dipankar Pal
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Patent number: 9467179Abstract: A system and a method using that system that provides multi-tainment services in a vehicle. The method includes the steps of providing a vehicle telematics unit having wireless hotspot functionality; connecting the telematics unit via short range wireless communication (SRWC) to a vehicle multi-tainment unit (VMU) and at least one mobile device; identifying the VMU connection at the telematics unit; and providing the VMU with wireless hotspot data priority over the at least one mobile device.Type: GrantFiled: January 27, 2014Date of Patent: October 11, 2016Assignees: General Motor LLC, GM Global Technology Operations LLCInventors: Dipankar Pal, Lakshmi Thanayankizil, Jonathan L. Gerlach, Muhammad Fahad Alam
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Publication number: 20160278087Abstract: A system and method of controlling Wi-Fi module operation based on vehicle location includes: detecting at a vehicle a geopolitical identifier broadcast by a wireless carrier system; determining whether operational settings of the Wi-Fi module conform to operational settings specified for the detected geopolitical identifier; and changing the operational settings of the Wi-Fi module when not conforming to the operational settings specified for the detected geopolitical identifier.Type: ApplicationFiled: March 17, 2015Publication date: September 22, 2016Inventors: Lakshmi V. Thanayankizil, Mohammad Ishfaq, Curtis L. Hay, Dipankar Pal
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Patent number: 9445447Abstract: A system and a method for establishing short range wireless communication between two vehicle modules. The system determines the availability of a first vehicle module and a second vehicle module to establish a short range wireless communication connection. The determination may be based upon whether the first vehicle module is storing pairing data. The system validates the pairing data at the second vehicle module using a wired connection. If the pairing data is validated, the first and second vehicle modules may establish a wireless connection using at least a portion of the pairing data. When the wireless connection ends, the system may re-determine the availability and revalidate any pairing data via the wired connection before establishing a wireless connection.Type: GrantFiled: June 20, 2013Date of Patent: September 13, 2016Assignee: GM Global Technology Operations LLCInventors: Dipankar Pal, David P. Pop
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Patent number: 9418489Abstract: A method and a system for providing vehicle data services to communication devices located at a remote vehicle. The method includes the steps of: establishing data communication between a telematics backend system and one of a plurality of communication devices located at the remote vehicle; determining at the telematics backend system an access point name (APN) for at least one of the plurality of communication devices, a type of vehicle services data for the at least one of the plurality of communication devices, or both; and based on the determined APN, the type of vehicle services data, or both, transmitting from or receiving at the telematics backend the vehicle services data according to a network traffic shaping scheme.Type: GrantFiled: March 31, 2015Date of Patent: August 16, 2016Assignee: General Motors LLCInventors: Andrew J. Macdonald, Jonathan L. Gerlach, Dipankar Pal, David George
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Publication number: 20160025859Abstract: A method is described for estimating the coordinated universal time (UTC). The method involves receiving, by a satellite navigation receiver, signals broadcast by a global navigation satellite service (GNSS) satellite. The signals encode a first time of week (TOW) value. The method also involves estimating a first week number (WN) value and a first relationship between the UCT and a reference time of an onboard clock of the GNSS satellite (OFFSET) from time parameter values stored at a local memory. The method determines a first estimate of the UTC from the first TOW value, the first WN value, and the first OFFSET.Type: ApplicationFiled: July 25, 2014Publication date: January 28, 2016Inventors: CHAMINDA BASNAYAKE, DIPANKAR PAL
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Patent number: 9224250Abstract: A method of removing a vehicle telematics unit from an invalid state includes sensing that the vehicle telematics unit wirelessly received an invalid state code that deactivates the communication function of the vehicle telematics unit from a base station of a wireless carrier system; determining at the vehicle telematics unit that a reset trigger applicable to invalid state codes has been activated; and commanding the vehicle telematics unit to reset the invalid state code when the reset trigger has been activated thereby permitting the vehicle telematics unit to resume its communication function.Type: GrantFiled: August 28, 2013Date of Patent: December 29, 2015Assignee: General Motors LLCInventors: Ayman R. Daoud, James Doherty, Kyle M. Ellard, Yao Hui Lei, Dipankar Pal
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Patent number: 9200534Abstract: A turbine nozzle having a non-linear cooling conduit is disclosed. In one embodiment, a turbine nozzle includes: an airfoil, at least one endwall adjacent the airfoil, and a fillet region connecting the airfoil and the at least one endwall, the fillet region including an outer surface. The turbine nozzle also includes a non-linear cooling conduit located within the fillet region and adjacent the outer surface of the fillet region, the non-linear cooling conduit allows fluid flow through the fillet region. The non-linear cooling conduit spans substantially along an axial length of the airfoil between a leading edge of the airfoil and a trailing edge of the airfoil. Additionally, the non-linear cooling conduit includes an arc profile substantially similar to an arc profile of the airfoil.Type: GrantFiled: November 13, 2012Date of Patent: December 1, 2015Assignee: General Electric CompanyInventor: Dipankar Pal
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Publication number: 20150341862Abstract: A system and method of power management of a telematics unit in a vehicle is provided. The method includes the steps of: determining that the vehicle is unpowered; determining that the vehicle is in a fringe region of a cellular network; and based the determining steps, entering a power-saving mode at the telematics unit.Type: ApplicationFiled: May 23, 2014Publication date: November 26, 2015Applicants: General Motors LLC, GM Global Technology Operations LLCInventors: Yao Hui Lei, Ronald R. Terry, Dipankar Pal, Esayas Naizghi, Andrew J. Macdonald
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Patent number: 9179488Abstract: A method of re-establishing a cellular connection between a vehicle telematics unit and a wireless carrier system includes detecting a loss of cellular connection between a vehicle telematics unit and a wireless carrier system; accessing a technology order table (TOT) that orders a plurality of radio access technologies (RATs) capable of use at the vehicle telematics unit according to desirability; attempting to re-establish the cellular connection by: determining the RAT used by the vehicle telematics unit when the loss of cellular connection was detected; searching the TOT to locate a less desirable RAT relative to the RAT used by the vehicle telematics unit when the loss of cellular connection was detected; attempting to connect with the wireless carrier system using the less desirable RAT and a group of PLMNs that is limited to home and home-equivalent PLMNs; and if that attempt fails, attempting to connect with the wireless carrier system by iterating through each of the RATs ordered in the TOT beginningType: GrantFiled: January 24, 2014Date of Patent: November 3, 2015Assignee: General Motors LLCInventors: Yao Hui Lei, Andrew J. Macdonald, Ayman R. Daoud, Dipankar Pal, David George, James J. Piwowarski, Curtis L. Hay
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Patent number: 9156114Abstract: A method for manufacturing a turbine nozzle having a non-linear cooling conduit is disclosed. In one embodiment, a method includes: providing a turbine nozzle. The turbine nozzle includes: an airfoil, a cavity, having an inner surface, located within the airfoil, at least one endwall adjacent the airfoil, and a fillet region connecting the airfoil and the endwall. The fillet region also includes an outer surface. The method also includes: forming a non-linear cooling conduit within the fillet region and adjacent the outer surface of the fillet region of the turbine nozzle. The forming of the non-linear cooling conduit includes curved drilling through a portion of the outer surface of the fillet region of the turbine nozzle.Type: GrantFiled: November 13, 2012Date of Patent: October 13, 2015Assignee: General Electric CompanyInventors: Dipankar Pal, Benjamin Paul Lacy
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Publication number: 20150289116Abstract: A mobile vehicle communications system and a method of sending one or more secure short message service (SMS) messages using that system. The method includes the steps of: (a) determining at a sender a data quantity associated with zero or more proprietary data parcels (PDPs) to send within one or more SMS messages; (b) configuring an encrypted payload of each of the one or more configured SMS messages to carry the total number of PDPs, wherein when the size of the payload would result in an SMS message exceeding 140 bytes, the configuring step includes configuring a plurality of SMS messages to carry the payload; and (c) transmitting from the mobile originated device one or more configured SMS messages.Type: ApplicationFiled: April 3, 2014Publication date: October 8, 2015Applicant: General Motors LLCInventors: Yao Hui Lei, Richard Heines, Kenneth L. Peirce, Dipankar Pal
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Publication number: 20150229604Abstract: A system and a method using the system for wireless communication using a vehicle telematics unit, including the steps of: prior to a vehicle telematics unit establishing a network connection, assigning a temporary internet protocol (IP) address having a short-term lease duration to a mobile device to permit communication between the telematics unit and the mobile device; and if the network connection is not established prior to the expiration of the short-term lease duration, renewing the temporary IP address, wherein the renewal lease duration is shorter than the earlier lease duration.Type: ApplicationFiled: February 7, 2014Publication date: August 13, 2015Applicants: GM Global Technology Operations LLC, General Motors LLCInventors: Dipankar Pal, Muhammad Fahad Alam, Ronald Terry
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Publication number: 20150223273Abstract: A method and a system for providing vehicle services to at least one communication device located at a vehicle via a vehicle telematics unit. The method carried out by the system includes the steps of: receiving a request at the vehicle telematics unit for first vehicle services from a first communication device located at a vehicle; associating a first identifier with the first communication device; and providing the first vehicle services to the first communication device, wherein the vehicle services are provided according to at least one services parameter associated with the first identifier.Type: ApplicationFiled: February 4, 2014Publication date: August 6, 2015Applicant: General Motors LLCInventors: Andrew J. Macdonald, Jonathan L. Gerlach, Dipankar Pal, David George
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Publication number: 20150222553Abstract: A method and a system for providing vehicle data services to communication devices located at a remote vehicle. The method includes the steps of: establishing data communication between a telematics backend system and one of a plurality of communication devices located at the remote vehicle; determining at the telematics backend system an access point name (APN) for at least one of the plurality of communication devices, a type of vehicle services data for the at least one of the plurality of communication devices, or both; and based on the determined APN, the type of vehicle services data, or both, transmitting from or receiving at the telematics backend the vehicle services data according to a network traffic shaping scheme.Type: ApplicationFiled: March 31, 2015Publication date: August 6, 2015Inventors: Andrew J. Macdonald, Jonathan L. Gerlach, Dipankar Pal, David George
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Patent number: 9098957Abstract: A method of controlling a wireless hotspot at a vehicle includes receiving one or more Wi-Fi control variables along with a vehicle identity at a central facility; authenticating the received Wi-Fi control variables at the central facility using the vehicle identity; establishing a cellular connection between the central facility and a vehicle providing the Wi-Fi hotspot identified by the transmitted vehicle identity; and transmitting a command to change the Wi-Fi control variables from the central facility to the vehicle when the Wi-Fi control variables have been authenticated.Type: GrantFiled: January 16, 2014Date of Patent: August 4, 2015Assignees: GM Global Technology Operations LLC, General Motors LLCInventors: Muhammad Fahad Alam, Jonathan L. Gerlach, Dipankar Pal