Patents by Inventor Nilesh Tralshawala
Nilesh Tralshawala 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).
-
Publication number: 20150063412Abstract: Various embodiments include systems and apparatuses adapted for detecting two-dimensional turbomachine exhaust temperature. In some embodiments, a system includes a two-dimensional grid sized to mount within an exhaust path of a gas turbomachine, a radiation detection device for detecting radiation emitted from the two-dimensional grid at a plurality of points on the two-dimensional grid, the radiation detection device being mountable proximate the exhaust path and the two-dimensional grid and at least one computing device connected with the radiation detection device, the at least one computing device configured to generate a planar map of the temperature of the exhaust from the gas turbomachine based upon the intensity of the radiation emitted from two-dimensional grid detected at the plurality of points on the two-dimensional grid.Type: ApplicationFiled: September 3, 2013Publication date: March 5, 2015Applicant: General Electric CompanyInventors: Vivek Venugopal Badami, Daniel Francesco Driscoll, Scott Francis Johnson, Paul Joseph Martin, Nilesh Tralshawala, Guanghua Wang
-
Patent number: 8919202Abstract: A system including a plurality of sensing devices configured to generate acoustic emission (AE) signals that are representative of acoustic emission waves propagating through a plurality of stator vanes is presented. The system further includes a processing subsystem that is in an operational communication with the plurality of sensing devices, and the processing subsystem is configured to generate a dynamic threshold based upon an initial threshold and the AE signals, determine whether a plurality of signals of interest exist in the AE signals based upon the dynamic threshold, extract the plurality of signals of interest from the AE signals based upon the dynamic threshold, determine one or more features corresponding to the plurality of signals of interest, and analyze the one or more features to monitor and validate the health of the plurality of stator vanes.Type: GrantFiled: April 30, 2012Date of Patent: December 30, 2014Assignee: General Electric CompanyInventors: Bhasker Rao Keely, Aninda Bhattacharya, Ravi Yoganatha Babu, Nilesh Tralshawala
-
Publication number: 20140202130Abstract: A multi-color pyrometry imaging system for a high-temperature asset includes at least one viewing port in optical communication with at least one high-temperature component of the high-temperature asset. The system also includes at least one camera device in optical communication with the at least one viewing port. The at least one camera device includes a camera enclosure and at least one camera aperture defined in the camera enclosure, The at least one camera aperture is in optical communication with the at least one viewing port. The at least one camera device also includes a multi-color filtering mechanism coupled to the enclosure. The multi-color filtering mechanism is configured to sequentially transmit photons within a first predetermined wavelength band and transmit photons within a second predetermined wavelength band that is different than the first predetermined wavelength band.Type: ApplicationFiled: January 24, 2013Publication date: July 24, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Jordi Estevadeordal, Nirm Velumylum Nirmalan, Nilesh Tralshawala, Jeremy Clyde Bailey
-
Publication number: 20140139211Abstract: Inspection systems provided herein include drive coils capable of being excited to generate a substantially uniform magnetic field about an object. The object includes a ferromagnetic adhesive adhered thereto. The inspection systems may also include an array of sensor coils adapted to detect the magnetic field from the drive coils after the magnetic field interacts with the ferromagnetic adhesive and to produce a voltage output corresponding to the detected magnetic field.Type: ApplicationFiled: January 28, 2014Publication date: May 22, 2014Applicant: General Electric CompanyInventors: Mandar Diwakar Godbole, Changting Wang, Andrzej Michal May, Nilesh Tralshawala, Waseem Ibrahim Faidi
-
Publication number: 20140119914Abstract: Load control systems and methods for shafts are provided. The load control system includes a sensor assembly. The sensor assembly includes a plurality of ultrasonic probes mounted to the shaft, each of the plurality of ultrasonic sensors configured to produce an ultrasonic wave on the shaft. The sensor assembly further includes a plurality of receivers mounted to the shaft, each of the plurality of receivers configured to sense the ultrasonic wave produced by one of the plurality of ultrasonic probes. The load control system further includes a controller communicatively coupled to the sensor assembly and configured to measure a travel time of the ultrasonic wave produced by each of the plurality of ultrasonic probes.Type: ApplicationFiled: November 1, 2012Publication date: May 1, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Sascha Schieke, Bharat Bagepalli, Nilesh Tralshawala, Aditi Koppikar, Pekka Sipilae
-
Patent number: 8710834Abstract: The invention provides a drive coil and measurement probe comprising the drive coil. The measurement probes can be used, for example, in in-situ, non-destructive testing methods, also provided herein.Type: GrantFiled: August 28, 2010Date of Patent: April 29, 2014Assignee: General Electric CompanyInventors: Andrzej Michal May, Waseem Ibrahim Faidi, Changting Wang, Nilesh Tralshawala, Aparna Chakrapani Sheila-Vadde, Mandar Diwakar Godbole, Jamie Thomas Livingston, Steven Haines Olson, Howard Daniel Driver
-
Publication number: 20140075954Abstract: Methods and systems for substance profile measurements in gas turbine exhaust. In an embodiment, a concentration of a substance may be determined and associated with a combustor out of a plurality of combustors. An alert may be transmitted in reference to the combustor when the concentration of the substance crosses a threshold level.Type: ApplicationFiled: September 14, 2012Publication date: March 20, 2014Applicant: General Electric CompanyInventors: Nilesh Tralshawala, Robert Joseph Iasillo, Chayan Mitra, Robert Frank Hoskin
-
Publication number: 20140067185Abstract: Methods and systems for inspecting a component within an assembled turbomachine are disclosed. At least one miniature robotic device having a non-destructive testing structure attached thereto is configured to travel around a surface of the component. The non-destructive testing structure gathers data related to the surface, and sends the data to a computing device connected to the at least one miniature robotic device. In one embodiment, the non-destructive testing structure comprises an image capture device and an infrared (IR) heat source.Type: ApplicationFiled: September 5, 2012Publication date: March 6, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Nilesh Tralshawala, Bryon Edward Knight, Harry Israel Ringermacher
-
Publication number: 20140052410Abstract: A creep life management system includes at least one sensor apparatus coupled to a first component. The at least one sensor apparatus is configured with a unique identifier. The creep life management system also includes at least one reader unit coupled to a second component. The at least one reader unit is configured to transmit an interrogation request signal to the at least one sensor apparatus and receive a measurement response signal transmitted from the at least one sensor apparatus. The creep life management system further includes at least one processor programmed to determine a real-time creep profile of the first component as a function of the measurement response signal transmitted from the at least one sensor apparatus.Type: ApplicationFiled: August 14, 2012Publication date: February 20, 2014Inventors: Nilesh Tralshawala, Harold Edward Miller, Vivek Venugopal Badami, Sameer Vittal, Daniel White Sexton
-
System and method for detecting loads transmitted through a blade root of a wind turbine rotor blade
Patent number: 8591187Abstract: In one aspect, a system for detecting loads transmitted through a blade root of a rotor blade of a wind turbine is disclosed. The system may include a root attachment assembly configured to couple the blade root to a hub of the wind turbine. The root attachment assembly may include a barrel nut mounted within a portion of the blade root and a root bolt extending from the barrel nut. In addition, the system may include a sensor associated with the root attachment assembly. The sensor may be configured to detect loads transmitted through at least one of the barrel nut and the root bolt.Type: GrantFiled: December 6, 2011Date of Patent: November 26, 2013Assignee: General Electric CompanyInventors: Bharat Bagepalli, Nilesh Tralshawala, Aditi Koppikar, Sascha Schieke, Pekka Sipilae -
Publication number: 20130183153Abstract: A wind turbine system comprising a rotatable hub, wind turbine blades attached to the hub, a rotatable shaft mechanically coupled to the hub, a non-shaft-contacting sensor assembly comprising sensors for detecting signals representative of loads induced in the rotatable shaft and a processor for analyzing the signals representative of the loads induced in the rotatable shaft and providing control signals to in response to the induced loads.Type: ApplicationFiled: January 17, 2012Publication date: July 18, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Pekka Tapani Sipilä, Bharat Sampathkumaran Bagepalli, Sascha Schieke, Nilesh Tralshawala, Aditi Yogin Koppikar
-
Patent number: 8434996Abstract: A system for detecting loads in a wind turbine is disclosed. In one aspect, the system may generally include a shaft and first and second pillow blocks receiving portions of the shaft. The second pillow block may be spaced axially apart from the first pillow block. Additionally, the system may include at least one sensor configured to indirectly detect loads transmitted through at least one of the first pillow block and the second pillow block.Type: GrantFiled: December 6, 2011Date of Patent: May 7, 2013Assignee: General Electric CompanyInventors: Bharat Bagepalli, Nilesh Tralshawala, Aditi Koppikar, Sascha Schieke, Pekka Sipilae
-
Patent number: 8378668Abstract: A method of non-destructive testing that employs composite systems that include a curable resin and detectable particles that have a property that can be distinguished from a property of the resin is disclosed. Array probes useful in the method also are disclosed.Type: GrantFiled: November 29, 2008Date of Patent: February 19, 2013Assignee: General Electric CompanyInventors: Waseem Ibrahim Faidi, Changting Wang, Stephane Renou, Shu Ching Quek, Nilesh Tralshawala, Aparna Chakrapani Sheila-Vadde, Peter J. Fritz
-
Publication number: 20130027060Abstract: A calorie estimating device for measuring a calorie content of a food item is provided. The device comprises a holder substrate, a transmitter antenna configured to transmit ultra-wide band (UWB) signals to at least a portion of the food item disposed on a side of the holder substrate, wherein the transmitter antenna comprises a planar antenna, a first receiver antenna configured to receive at least a portion of UWB signals reflected by the food item, wherein the first receiver antenna comprises a planar antenna, and a second receiver antenna configured to receive at least a portion of UWB signals propagated through the food item, wherein the second receiver antenna comprises a planar antenna.Type: ApplicationFiled: July 29, 2011Publication date: January 31, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Nilesh Tralshawala, John Frederick Graf, Jack Mathew Webster, Vasile Bogdan Neculaes, Sarah Lillian Katz
-
Publication number: 20120245860Abstract: A system including a plurality of sensing devices configured to generate acoustic emission (AE) signals that are representative of acoustic emission waves propagating through a plurality of stator vanes is presented. The system further includes a processing subsystem that is in an operational communication with the plurality of sensing devices, and the processing subsystem is configured to generate a dynamic threshold based upon an initial threshold and the AE signals, determine whether a plurality of signals of interest exist in the AE signals based upon the dynamic threshold, extract the plurality of signals of interest from the AE signals based upon the dynamic threshold, determine one or more features corresponding to the plurality of signals of interest, and analyze the one or more features to monitor and validate the health of the plurality of stator vanes.Type: ApplicationFiled: April 30, 2012Publication date: September 27, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Bhasker Rao Keely, Aninda Bhattacharya, Ravi Yoganatha Babu, Nilesh Tralshawala
-
Patent number: 8232801Abstract: Structural health monitoring using nuclear quadrupole resonance is disclosed. For example, in one embodiment, a method of monitoring stress is provided. The method includes scanning a composite using an NQR spectrometer, the composite having a polymer matrix and a microcrystalline material disposed in the matrix. The microcrystalline material includes molecules having nuclei with respective nuclear quadrupole moments. The method also includes determining microscopic strain distribution indices of the composite from the NQR scans to quantify stress and identify precursors to failure in the composite.Type: GrantFiled: June 30, 2011Date of Patent: July 31, 2012Assignee: General Electric CompanyInventors: Nilesh Tralshawala, Thomas Alan Early, William Thomas Dixon, Waseem Ibrahim Faidi, Thomas Miebach
-
SYSTEM AND METHOD FOR DETECTING LOADS TRANSMITTED THROUGH A BLADE ROOT OF A WIND TURBINE ROTOR BLADE
Publication number: 20120134809Abstract: In one aspect, a system for detecting loads transmitted through a blade root of a rotor blade of a wind turbine is disclosed. The system may include a root attachment assembly configured to couple the blade root to a hub of the wind turbine. The root attachment assembly may include a barrel nut mounted within a portion of the blade root and a root bolt extending from the barrel nut. In addition, the system may include a sensor associated with the root attachment assembly. The sensor may be configured to detect loads transmitted through at least one of the barrel nut and the root bolt.Type: ApplicationFiled: December 6, 2011Publication date: May 31, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Bharat Bagepalli, Nilesh Tralshawala, Aditi Koppikar, Sascha Schieke, Pekka Sipilae -
Publication number: 20120134810Abstract: A system for detecting loads in a wind turbine is disclosed. In one aspect, the system may generally include a shaft and first and second pillow blocks receiving portions of the shaft. The second pillow block may be spaced axially apart from the first pillow block. Additionally, the system may include at least one sensor configured to indirectly detect loads transmitted through at least one of the first pillow block and the second pillow block.Type: ApplicationFiled: December 6, 2011Publication date: May 31, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Bharat Bagepalli, Nilesh Tralshawala, Aditi Koppikar, Sascha Schieke, Pekka Sipilae
-
Publication number: 20120043962Abstract: A method for determining a case depth of a hardened layer in a surface of a metal object includes: (a) placing an eddy current probe at a location adjacent the surface; (b) using the eddy current probe, generating a time-varying eddy current in the object; (c) using the eddy current probe, outputting a measured eddy current and providing a signal representative of the measured eddy current to a computer; (d) using the computer, comparing the time-varying measured eddy current to a correlation of measured eddy currents to known case depths; and (e) determining the case depth at the location of the probe based on the correlation.Type: ApplicationFiled: August 20, 2010Publication date: February 23, 2012Inventors: Changting WANG, Haiyan Sun, Anthony Giammarise, Thomas Batzinger, Mandar Godbole, Nilesh Tralshawala, Aparna Sheila-Vadde, Michael Sirak, Shubin Liu
-
Patent number: 8120522Abstract: A wind turbine blade inspection system includes a frequency modulated continuous wave radar system configured to be movable with respect to a wind turbine blade while transmitting reference microwave signals and receiving reflected microwave signals and a processor configured for using a synthetic aperture analysis technique to obtain a focused image of at least a region of the wind turbine blade based on the reflected microwave signals.Type: GrantFiled: November 30, 2010Date of Patent: February 21, 2012Assignee: General Electric CompanyInventors: Nilesh Tralshawala, Waseem Ibrahim Faidi