Patents by Inventor Palani Thanigachalam

Palani Thanigachalam 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: 20240085257
    Abstract: A pressure sensor and method of manufacturing the like are provided for determining a pressure of a fluid. An example pressure sensor includes a pressure sensor housing sealably attached to a diaphragm at a first end. The header includes a lip configured to engageably fit with the second end of the pressure sensor housing to create a hermetically sealed component compartment. The header also includes header pin(s) configured to transmit electrical signals between an interior and an exterior of the hermetically sealed component compartment. A sensing element and a processor are disposed within the hermetically sealed component compartment and in communication with one another. The sensing element is mounted to the processor within the hermetically sealed compartment. The corresponding method of manufacture is also provided.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Inventors: Vishal Shalitkumar KUSANALE, Todd ECKHARDT, Palani THANIGACHALAM, Vignesh MURUGESAN
  • Patent number: 11860055
    Abstract: A pressure sensor and method of manufacturing the like are provided for determining a pressure of a fluid. An example pressure sensor includes a pressure sensor housing sealably attached to a diaphragm at a first end. The header includes a lip configured to engageably fit with the second end of the pressure sensor housing to create a hermetically sealed component compartment. The header also includes header pin(s) configured to transmit electrical signals between an interior and an exterior of the hermetically sealed component compartment. A sensing element and a processor are disposed within the hermetically sealed component compartment and in communication with one another. The sensing element is mounted to the processor within the hermetically sealed compartment. The corresponding method of manufacture is also provided.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: January 2, 2024
    Assignee: Honeywell International Inc.
    Inventors: Vishal Shalitkumar Kusanale, Todd Eckhardt, Palani Thanigachalam, Vignesh Murugesan
  • Patent number: 11852550
    Abstract: Example apparatuses and systems for a combined temperature and pressure sensing device with improved electronic protection are provided. An example apparatus includes a media isolation chamber assembly having a sleeve member and a bellows member, a first circuit board element disposed in the bellows member and encapsulated by insulator media in the bellows member, a pressure sensing element disposed in the bellows member and electrically coupled to the first circuit board element; and a temperature sensing element disposed in the sleeve member and electrically coupled to the first circuit board element.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: December 26, 2023
    Assignee: Honeywell International Inc.
    Inventors: Palani Thanigachalam, Vijayakumar S, Nirmala HJ
  • Publication number: 20230168140
    Abstract: Example methods, apparatuses and systems for a combined temperature and pressure sensing device are provided. An example apparatus includes a media isolation chamber assembly having a sleeve member and a bellows member, a first circuit board element disposed in the bellows member and encapsulated by insulator media in the bellows member, a pressure sensing element disposed in the bellows member and electrically coupled to the first circuit board element; and a temperature sensing element disposed in the sleeve member and electrically coupled to the first circuit board element.
    Type: Application
    Filed: January 26, 2023
    Publication date: June 1, 2023
    Inventors: Palani THANIGACHALAM, Vijayakumar S, Nirmala HJ
  • Patent number: 11592349
    Abstract: Example apparatuses and systems for a combined temperature and pressure sensing device with improved electronic protection are provided. An example apparatus includes a media isolation chamber assembly having a sleeve member and a bellows member, a first circuit board element disposed in the bellows member and encapsulated by insulator media in the bellows member, a pressure sensing element disposed in the bellows member and electrically coupled to the first circuit board element; and a temperature sensing element disposed in the sleeve member and electrically coupled to the first circuit board element.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: February 28, 2023
    Assignee: Honeywell International Inc.
    Inventors: Palani Thanigachalam, Vijayakumar S, Nirmala H J
  • Publication number: 20220412826
    Abstract: A pressure sensor and method of manufacturing the like are provided for determining a pressure of a fluid. An example pressure sensor includes a pressure sensor housing sealably attached to a diaphragm at a first end. The header includes a lip configured to engageably fit with the second end of the pressure sensor housing to create a hermetically sealed component compartment. The header also includes header pin(s) configured to transmit electrical signals between an interior and an exterior of the hermetically sealed component compartment. A sensing element and a processor are disposed within the hermetically sealed component compartment and in communication with one another. The sensing element is mounted to the processor within the hermetically sealed compartment. The corresponding method of manufacture is also provided.
    Type: Application
    Filed: August 31, 2022
    Publication date: December 29, 2022
    Inventors: Vishal Shalitkumar KUSANALE, Todd ECKHARDT, Palani THANIGACHALAM, Vignesh MURUGESAN
  • Patent number: 11460363
    Abstract: A pressure sensor and method of manufacturing the like are provided for determining a pressure of a fluid. An example pressure sensor includes a pressure sensor housing sealably attached to a diaphragm at a first end. The header includes a lip configured to engageably fit with the second end of the pressure sensor housing to create a hermetically sealed component compartment. The header also includes header pin(s) configured to transmit electrical signals between an interior and an exterior of the hermetically sealed component compartment. A sensing element and a processor are disposed within the hermetically sealed component compartment and in communication with one another. The sensing element is mounted to the processor within the hermetically sealed compartment. The corresponding method of manufacture is also provided.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: October 4, 2022
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Vishal Shalitkumar Kusanale, Todd Eckhardt, Palani Thanigachalam, Vignesh Murugesan
  • Patent number: 11428593
    Abstract: Methods and apparatuses related to freeze resistant sensing assemblies are provided. An example pressure sensing assembly may include: a first member defining an aperture, the aperture comprising an inner opening disposed on an inner surface of the first member and an outer opening disposed on an outer surface of the first member; a protection diaphragm disposed on the inner surface of the first member; and a sensing diaphragm disposed in a second member fastened to the first member.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: August 30, 2022
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Lokesha Bhat, Palani Thanigachalam, Vijaya Krishna N K, Vijayakumar S, Shridhara Shanbhogue
  • Publication number: 20220244125
    Abstract: Example methods, apparatuses and systems for a combined temperature and pressure sensing device are provided. An example apparatus includes a media isolation chamber assembly having a sleeve member and a bellows member, a first circuit board element disposed in the bellows member and encapsulated by insulator media in the bellows member, a pressure sensing element disposed in the bellows member and electrically coupled to the first circuit board element; and a temperature sensing element disposed in the sleeve member and electrically coupled to the first circuit board element.
    Type: Application
    Filed: February 2, 2021
    Publication date: August 4, 2022
    Inventors: Palani THANIGACHALAM, Vijayakumar S, Nirmala HJ
  • Publication number: 20220236128
    Abstract: Methods, apparatuses and systems for providing pressure sensing components for apparatuses are disclosed herein. An example pressure sensing component may comprise: a pressure sensing element defining a microfluidic channel containing a pressure transfer fluid configured to absorb a pressure of a media applied to the pressure sensing element, wherein at least one dimension of the microfluidic channel is in a micrometer range; and a pressure measuring element in electronic communication with the pressure sensing element, wherein the pressure measuring element is configured to convert a pressure of a media absorbed by the pressure sensing element into a measurable electrical signal.
    Type: Application
    Filed: January 27, 2021
    Publication date: July 28, 2022
    Inventors: Palani Thanigachalam, Lokesha Bhat
  • Publication number: 20210148775
    Abstract: Methods and apparatuses related to freeze resistant sensing assemblies are provided. An example pressure sensing assembly may include: a first member defining an aperture, the aperture comprising an inner opening disposed on an inner surface of the first member and an outer opening disposed on an outer surface of the first member; a protection diaphragm disposed on the inner surface of the first member; and a sensing diaphragm disposed in a second member fastened to the first member.
    Type: Application
    Filed: November 20, 2019
    Publication date: May 20, 2021
    Inventors: Lokesha Bhat, Palani Thanigachalam, Vijaya Krishna N K, Vijayakumar S, Shridhara Shanbhogue
  • Publication number: 20200326252
    Abstract: A pressure sensor and method of manufacturing the like are provided for determining a pressure of a fluid. An example pressure sensor includes a pressure sensor housing sealably attached to a diaphragm at a first end. The header includes a lip configured to engageably fit with the second end of the pressure sensor housing to create a hermetically sealed component compartment. The header also includes header pin(s) configured to transmit electrical signals between an interior and an exterior of the hermetically sealed component compartment. A sensing element and a processor are disposed within the hermetically sealed component compartment and in communication with one another. The sensing element is mounted to the processor within the hermetically sealed compartment. The corresponding method of manufacture is also provided.
    Type: Application
    Filed: March 20, 2020
    Publication date: October 15, 2020
    Inventors: Vishal Shalitkumar KUSANALE, Todd ECKHARDT, Palani THANIGACHALAM, Vignesh MURUGESAN
  • Publication number: 20190150754
    Abstract: A circulatory system monitor may include a sensor array having a plurality of sensor assemblies and a controller in communication with the sensor array. The sensor array may be configured to be pressed against a patient's body and the controller may identify a sensor assembly of the plurality of sensor assemblies from which a signal is to be used to determine a circulatory system parameter of the patient's body. The controller may use a signal from the identified sensor assembly to determine the circulatory system parameter. The circulatory system monitor may include an inflatable member and a pump. The configuration of the sensor array and the inflatable member may facilitate ensuring alignment of at last one sensor assembly of the sensor array with a target artery to be monitored.
    Type: Application
    Filed: November 17, 2017
    Publication date: May 23, 2019
    Inventors: Dinesh Naik, Vishal Shalitkumar Kusanale, Ramkrishna Uchanski Pal, Palani Thanigachalam, Todd Eckhardt
  • Publication number: 20180106694
    Abstract: Embodiments relate generally to methods and systems for detecting pressure. A pressure sensor assembly may comprise a sensor unit having a pressure input port on one side, the sensor unit comprising a printed circuit board; a pressure sensor secured to a side of the printed circuit board; a support secured to the side of the printed circuit board, the support circumferentially surrounding the pressure sensor and defining the pressure input port; and a media isolation layer comprising a first media isolation layer applied adjacent to the pressure sensor, and a second media isolation layer comprising a material different from the first media isolation layer located between the first media isolation layer and the pressure input port, wherein the media isolation layer is configured to transfer a pressure caused by a sense media to the pressure sensor.
    Type: Application
    Filed: October 13, 2016
    Publication date: April 19, 2018
    Inventors: Vishal Shalitkumar Kusanale, Palani Thanigachalam, Todd Eckhardt, Lamar Floyd Ricks, Jim Cook, Pavan R. Kashyap, Vignesh Murugesan
  • Patent number: 9945747
    Abstract: Embodiments relate generally to methods and systems for detecting pressure. A pressure sensor assembly may comprise a sensor unit having a pressure input port on one side, the sensor unit comprising a printed circuit board; a pressure sensor secured to a side of the printed circuit board; a support secured to the side of the printed circuit board, the support circumferentially surrounding the pressure sensor and defining the pressure input port; and a media isolation layer comprising a first media isolation layer applied adjacent to the pressure sensor, and a second media isolation layer comprising a material different from the first media isolation layer located between the first media isolation layer and the pressure input port, wherein the media isolation layer is configured to transfer a pressure caused by a sense media to the pressure sensor.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: April 17, 2018
    Assignee: Honeywell International Inc.
    Inventors: Vishal Shalitkumar Kusanale, Palani Thanigachalam, Todd Eckhardt, Lamar Floyd Ricks, Jim Cook, Pavan R. Kashyap, Vignesh Murugesan
  • Patent number: 8934263
    Abstract: The present disclosure relates to sensors including pressure sensors, humidity sensors, flow sensors, etc. In some cases, a cover for use with a sensor assembly may include an electrically insulating body having perimeter features extending a majority of the way around perimeters of upper and lower printed circuit boards that the cover may vertically separate. In one example, the body of the cover may include support features that extend from a lower side of the cover and those support features may contact the lower printed circuit board in at least two locations. The support features of the cover may be separated by a gap and a sensor connected to the lower printed circuit board may be situated within the gap.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: January 13, 2015
    Assignee: Honeywell International Inc.
    Inventors: Todd Eckhardt, Jim Machir, Palani Thanigachalam, Sunil Job
  • Patent number: 8806964
    Abstract: A force sensor may include a sense die mounted to a substrate and an actuating assembly for transmitting an external force to the sense die. The sense die may include a diaphragm, a boss extending from the diaphragm, and one or more sensing elements (e.g., piezoresistive elements positioned on the diaphragm). The actuation assembly may include a force receiving feature configured to receive an external force at a first end and transfer at least a portion of the received external force through a second end to the diaphragm via intimate contact with a bottom side of the boss. In some cases, the force sensor may also include signal conditioning circuitry.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: August 19, 2014
    Assignee: Honeywell International Inc.
    Inventors: Palani Thanigachalam, Todd Eckhardt, Richard Wade
  • Patent number: 8671753
    Abstract: The present disclosure relates to sensors including pressure sensors, humidity sensors, flow sensors, etc. In some cases, a cable harness assembly for connection with a sensor assembly may include a cable cover having a first end and a second end, a cable extending through an opening in the first end of the of the cable cover, and a crimp ring configured to engage the cable at a position within the cable cover, such that the attached crimp ring may not fit through the opening. The second end of the cable cover may be configured to connect to a housing of an electrical connector. Further, the cable may have wires that may be configured to electrically connect to electrical terminals of the electrical connector. In some instances, the electrical connector may be electrically connected to a sensor.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: March 18, 2014
    Assignee: Honeywell International Inc.
    Inventors: Todd Eckhardt, Pavan R. Kashyap, Jim Machir, Palani Thanigachalam
  • Publication number: 20130247689
    Abstract: A force sensor may include a sense die mounted to a substrate and an actuating assembly for transmitting an external force to the sense die. The sense die may include a diaphragm, a boss extending from the diaphragm, and one or more sensing elements (e.g., piezoresistive elements positioned on the diaphragm). The actuation assembly may include a force receiving feature configured to receive an external force at a first end and transfer at least a portion of the received external force through a second end to the diaphragm via intimate contact with a bottom side of the boss. In some cases, the force sensor may also include signal conditioning circuitry.
    Type: Application
    Filed: March 23, 2012
    Publication date: September 26, 2013
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Palani Thanigachalam, Todd Eckhardt, Richard Wade
  • Patent number: 8534130
    Abstract: The present disclosure relates to sensors including pressure sensors, humidity sensors, flow sensors, etc. In some illustrative cases, a sensor assembly may include a pressure port connected to a sensor unit, an electrical connector connected to the sensor unit and an outer housing encompassing at least portions of the pressure port, sensor unit and electrical connector. In one example, the sensor unit may include a carrier carrying a sense element, where the carrier may extend into a recess of the pressure port and may be secured to the pressure port at an internal side thereof through the use of an adhesive layer.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: September 17, 2013
    Assignee: Honeywell International Inc.
    Inventors: Todd Eckhardt, Alistair David Bradley, Sunil Job, Palani Thanigachalam, Jim Machir