Patents by Inventor Soundararajan Narayanasamy
Soundararajan Narayanasamy 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: 9576753Abstract: A contact system of a circuit breaker includes a fixed contact. The contact system also includes a moveable contact arm assembly comprising at least one moveable contact arm having a moveable contact thereon, the moveable contact arm moveable to define a closed condition and a blow open condition. The contact system further includes a carrier assembly operatively coupled to the moveable contact arm. The contact system yet further includes a latch plate operatively coupled to the carrier assembly. The contact system also includes a trip shaft operatively coupled to the carrier assembly, the trip shaft having a non-circular region defining an engagement surface disposed in contact with the latch plate in the closed condition. The contact system further includes a biasing portion of the moveable contact arm configured to rotate the trip shaft out of engagement with the latch plate and into the blow open condition.Type: GrantFiled: June 16, 2015Date of Patent: February 21, 2017Assignee: GENERAL ELECTRIC COMPANYInventors: Triplicane Gopikrishnan Babu, Maddela Rajesh Babu, Janakiraman Narayanan, Soundararajan Narayanasamy, Tanmay Pralhad Tamboli
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Patent number: 9576750Abstract: A conductor guide member for a circuit breaker terminal assembly includes a body having at least one conductor guide surface configured and disposed to facilitate alignment between at least one terminal connection member of the terminal assembly and at least one conductor. The at least one conductor guide surface gradually slopes from a first end to a second end. The second end defines a recess.Type: GrantFiled: June 25, 2015Date of Patent: February 21, 2017Assignee: GENERAL ELECTRIC COMPANYInventors: Soundararajan Narayanasamy, Wolfgang Meyer-Haack, Janakiraman Narayanan, Devendra Kumar Sharma
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Publication number: 20160372277Abstract: A contact system of a circuit breaker includes a fixed contact. The contact system also includes a moveable contact arm assembly comprising at least one moveable contact arm having a moveable contact thereon, the moveable contact arm moveable to define a closed condition and a blow open condition. The contact system further includes a carrier assembly operatively coupled to the moveable contact arm. The contact system yet further includes a latch plate operatively coupled to the carrier assembly. The contact system also includes a trip shaft operatively coupled to the carrier assembly, the trip shaft having a non-circular region defining an engagement surface disposed in contact with the latch plate in the closed condition. The contact system further includes a biasing portion of the moveable contact arm configured to rotate the trip shaft out of engagement with the latch plate and into the blow open condition.Type: ApplicationFiled: June 16, 2015Publication date: December 22, 2016Inventors: Triplicane Gopikrishnan BABU, Maddela Rajesh BABU, Janakiraman NARAYANAN, Soundararajan NARAYANASAMY, Tanmay Pralhad TAMBOLI
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Patent number: 9208962Abstract: A circuit breaker includes a housing, a stationary pole member fixedly mounted in the housing, a moveable pole member shiftably mounted within the housing, and a drive shaft mounted to the housing and operatively connected to the moveable pole member. An inertia latch stop member is mounted to the housing adjacent the drive shaft and an inertia latch is operatively connected to the drive shaft. The inertia latch is configured and disposed to extend from the drive shaft and engage the inertia latch stop member in response to a change in direction of rotation of the drive shaft from an opening direction to a closing direction following a trip event.Type: GrantFiled: November 26, 2013Date of Patent: December 8, 2015Inventors: Amit Bose, Anurag Arjundas Jivanani, Soundararajan Narayanasamy, Yatin Vilas Newase
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Patent number: 9184013Abstract: A conductor guide member for a circuit breaker terminal assembly includes a body having at least one conductor guide surface configured and disposed to facilitate alignment between at least one terminal connection member of the terminal assembly and at least one conductor. The at least one conductor guide surface gradually slopes from a first end to a second end. The second end defines a recess.Type: GrantFiled: June 21, 2013Date of Patent: November 10, 2015Assignee: GENERAL ELECTRIC COMPANYInventors: Soundararajan Narayanasamy, Wolfgang Meyer-Haack, Janakiraman Narayanan, Devendra Kumar Sharma
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Publication number: 20150294806Abstract: A conductor guide member for a circuit breaker terminal assembly includes a body having at least one conductor guide surface configured and disposed to facilitate alignment between at least one terminal connection member of the terminal assembly and at least one conductor. The at least one conductor guide surface gradually slopes from a first end to a second end. The second end defines a recess.Type: ApplicationFiled: June 25, 2015Publication date: October 15, 2015Inventors: Soundararajan Narayanasamy, Wolfgang Meyer-Haack, Janakiraman Narayanan, Devendra Kumar Sharma
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Publication number: 20150144471Abstract: A circuit breaker includes a housing, a stationary pole member fixedly mounted in the housing, a moveable pole member shiftably mounted within the housing, and a drive shaft mounted to the housing and operatively connected to the moveable pole member. An inertia latch stop member is mounted to the housing adjacent the drive shaft and an inertia latch is operatively connected to the drive shaft. The inertia latch is configured and disposed to extend from the drive shaft and engage the inertia latch stop member in response to a change in direction of rotation of the drive shaft from an opening direction to a closing direction following a trip event.Type: ApplicationFiled: November 26, 2013Publication date: May 28, 2015Applicant: General Electric CompanyInventors: Amit Bose, Anurag Arjundas Jivanani, Soundararajan Narayanasamy, Yatin Vilas Newase
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Publication number: 20140374226Abstract: A conductor guide member for a circuit breaker terminal assembly includes a body having at least one conductor guide surface configured and disposed to facilitate alignment between at least one terminal connection member of the terminal assembly and at least one conductor. The at least one conductor guide surface gradually slopes from a first end to a second end. The second end defines a recess.Type: ApplicationFiled: June 21, 2013Publication date: December 25, 2014Inventors: Soundararajan Narayanasamy, Wolfgang Meyer-Haack, Janakiraman Narayanan, Devendra Kumar Sharma
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Patent number: 8592709Abstract: An apparatus includes an enclosure, a plurality of circuit breaker sub poles, each enclosed within a chamber of the enclosure, and a plurality of arc chutes, each installed on one of the chambers enclosing the circuit breaker sub poles.Type: GrantFiled: April 15, 2008Date of Patent: November 26, 2013Assignee: General Electric CompanyInventors: Yatin Vilas Newase, Janakiraman Narayanan, Soundararajan Narayanasamy, Sachin Kurkure, Mahesh Jaywant Rane
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Patent number: 7943873Abstract: A circuit breaker with a locking mechanism is provided, which ensures that circuit breaker is switched OFF before applying any trip free locks. The circuit breaker includes a lay shaft coupled to the circuit breaker contacts, a lay shaft cam coupled to the lay shaft, a lifting plate configured to interface with the lay shaft cam, and a padlock plate configured to engage the lifting plate.Type: GrantFiled: April 15, 2008Date of Patent: May 17, 2011Assignee: General Electric CompanyInventors: Triplicane Gopikrishnan Babu, Janakiraman Narayanan, Amit Bose, Soundararajan Narayanasamy
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Patent number: 7935902Abstract: A contact arm assembly including a plurality of substantially parallel plates having a space between each of the plurality of substantially parallel plates and a plurality of finger assemblies, at least one of the plurality of finger assemblies being pivotally attached to the plurality of substantially parallel plates and being located in the space between each of the plurality of substantially parallel plates, each of the plurality of finger assemblies having a body and an arc runner, the arc runner being locked against the body in at least two locations.Type: GrantFiled: April 15, 2008Date of Patent: May 3, 2011Assignee: General Electric CompanyInventors: Yatin Vilas Newase, Janakiraman Narayanan, Pankaj Agrawal, Soundararajan Narayanasamy, Mahesh Jaywant Rane
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Patent number: 7936239Abstract: Disclosed herein is a breaker interlock system. The system includes, a trip unit for a breaker, and a breaker receptive of the trip unit. The breaker is closable when the trip unit is assembled thereto and the breaker is non-closable when the trip unit is not assembled to the breaker. The interlock system is further configured to prevent disassembly of the trip unit from the breaker when the breaker is in a closed configuration. The breaker having a plurality of solenoids and each of the plurality of solenoids is in operable communication with the breaker to trip the breaker on command. A first of the plurality of solenoids is responsive to a signal from the breaker via the trip unit, and a second of the plurality of solenoids is responsive to an externally supplied signal from a source other than the electronic trip unit.Type: GrantFiled: April 15, 2008Date of Patent: May 3, 2011Assignee: General Electric CompanyInventors: Triplicane Gopikrishnan Babu, Janakiraman Narayanan, Mahesh Jaywant Rane, Soundararajan Narayanasamy
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Patent number: 7863534Abstract: A spring discharge mechanism for a circuit breaker is provided. The mechanism includes two linkages for crashing or discharging the circuit breaker compression springs to allow the circuit breaker to be used in either fixed breaker installation or in an installation having a drawout mechanism. The secondary mechanism includes a manual activation linkage that couples with an interface plate. The interface plate is coupled to an opening latch shaft and a closing latch shaft that cooperates to discharge the circuit breaker compression springs. An interface lever is also coupled to the interface plate. The interface lever includes a roller that interacts with a pivoting cam lever coupled to a drawout mechanism. The cam lever interacts with the roller causing the interface lever to rotate the interface plate, the opening latch shaft and the closing latch shaft.Type: GrantFiled: April 15, 2008Date of Patent: January 4, 2011Assignee: General Electric CompanyInventors: Soundararajan Narayanasamy, Janakiraman Narayanan, Partha Sarathy Doddapadam Srinivasa Raghavachar, Triplicane Gopikrishnan Babu
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Patent number: 7847203Abstract: A system for indicating a position of an electrical distribution device configured to be racked into an electrically connected condition within an enclosure and racked out to an electrically disconnected condition via a racking mechanism is disclosed. The system includes a rotating indicator having at least a first position and a second position, the first position indicating the connected condition, and the second position indicating the disconnected condition, the indicator operably connected to the racking mechanism to rotate the indicator in response to movement of the racking mechanism between at least the connected condition and the disconnected condition. The system also includes a biasing device to bias rotation of the indicator toward the first position when the racking mechanism is in the connected condition and to bias rotation of the indicator toward the second position when the racking mechanism is in the disconnected condition.Type: GrantFiled: April 15, 2008Date of Patent: December 7, 2010Assignee: General Electric CompanyInventors: Janakiraman Narayanan, Soundararajan Narayanasamy, Partha Sarathy Doddapadam Srinivasa Raghavachar, Wolfgang Meyer-Haack
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Patent number: 7834281Abstract: A draw out circuit breaker assembly which includes a draw out circuit breaker having a plurality of contacts configured for connecting and disconnecting an electrical power source to an electrical load, a breaker cassette including a draw out support plate housing operational components of the draw out circuit breaker, and a port, and a collapsible telescopic racking handle stored collapsed in the port after the draw out circuit breaker is racked into the breaker cassette.Type: GrantFiled: April 15, 2008Date of Patent: November 16, 2010Assignee: General Electric CompanyInventors: Janakiraman Narayanan, Soundararajan Narayanasamy, Amit Bose, Partha Sarathy Doddapadam Srinivasa Raghavachar, Wolfgang Meyer-Haack
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Patent number: 7821775Abstract: Disclosed is a racking mechanism for a drawout circuit breaker including a cross shaft movably positioned in an enclosure and at least one input link in operable communication with the cross shaft via at least one connecting link. At least one racking cam is movably positioned in the enclosure and is in operable communication with the input link. Each racking cam has at least one cam slot receptive of a portion of the circuit breaker. Movement of the cross shaft about an axis of the cross shaft is capable of moving the at least one racking cam from an open position toward a closed position with the portion of the circuit breaker disposed in the at least one cam slot, thereby securing the circuit breaker in the enclosure and the at least one racking cam is in the closed position. A method for securing a circuit breaker in an enclosure and a circuit breaker assembly are also disclosed.Type: GrantFiled: April 15, 2008Date of Patent: October 26, 2010Assignee: General Electric CompanyInventors: Soundararajan Narayanasamy, Janakiraman Narayanan, Yatin Vilas Newase, Partha Sarathy Doddapadam Srinivasa Raghavachar
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Patent number: 7795551Abstract: An electrical distribution apparatus includes a fixed terminal, at least two fingers attached at respective pivot points in the apparatus, and a mechanical spring in operative communication with the at least two fingers, configured to provide tension upon separation of the at least two fingers. According to the apparatus, the at least two fingers are of a different length, length is a measure of the distance from a pivot point of a finger to an end of the finger, and the respective pivot points are each formed between the fixed terminal and each of the two fingers.Type: GrantFiled: April 15, 2008Date of Patent: September 14, 2010Assignee: General Electric CompanyInventors: Janakiraman Narayanan, Yatin Vilas Newase, Partha Sarathy Doddapadam Srinivasa Raghavachar, Soundararajan Narayanasamy, Mahesh Jaywant Rane
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Patent number: 7764485Abstract: An electrical distribution device assembly includes a drawout substructure having at least first and second opposing side portions. The electrical distribution device assembly also includes a telescoping rail unit mounted to one of the first and second opposing side portions. The telescoping rail unit includes a carrier rail having a carrier rail support surface and a loading rail having a loading rail support surface. The loading rail is slidably supported by the carrier rail to define an extended deployed configuration and a retracted stowed configuration. The electrical distribution device assembly also includes an electrical device is supported upon at least one of the carrier rail and the loading rail and is selectively shiftable into and out from the drawout substructure.Type: GrantFiled: April 15, 2008Date of Patent: July 27, 2010Assignee: General Electric CompanyInventors: Partha Sarathy Doddapadam Srinivasa Raghavachar, Janakiraman Narayanan, Soundararajan Narayanasamy
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Publication number: 20090255786Abstract: Disclosed is a circuit breaker with a locking mechanism, which ensures that circuit breaker is switched OFF before applying any trip free locks. Exemplary embodiments include a circuit breaker apparatus, including a lay shaft coupled to circuit breaker contacts, a lay shaft cam coupled to the lay shaft, a lifting plate configured to interface the lay shaft cam and a padlock plate configured to engage the lifting plate. Further exemplary embodiments include a circuit breaker system, the system including a circuit breaker having circuit breaker contacts and configured in an OFF condition, a padlock plate disposed on the circuit breaker, wherein the engagement of the padlock locks the circuit breaker into a trip free condition and a locking mechanism configured to lock the circuit breaker in the OFF condition in response to the engagement of the padlock plate.Type: ApplicationFiled: April 15, 2008Publication date: October 15, 2009Inventors: Triplicane Gopikrishnan Babu, Janakiraman Narayanan, Amit Bose, Soundararajan Narayanasamy
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Publication number: 20090256657Abstract: Disclosed herein is a breaker interlock system. The system includes, a trip unit for a breaker, and a breaker receptive of the trip unit. The breaker is closable when the trip unit is assembled thereto and the breaker is non-closable when the trip unit is not assembled to the breaker. The interlock system is further configured to prevent disassembly of the trip unit from the breaker when the breaker is in a closed configuration. The breaker having a plurality of solenoids and each of the plurality of solenoids is in operable communication with the breaker to trip the breaker on command. A first of the plurality of solenoids is responsive to a signal from the breaker via the trip unit, and a second of the plurality of solenoids is responsive to an externally supplied signal from a source other than the electronic trip unit.Type: ApplicationFiled: April 15, 2008Publication date: October 15, 2009Inventors: Triplicane Gopikrishnan Babu, Janakiraman Narayanan, Mahesh Jaywant Rane, Soundararajan Narayanasamy