Patents by Inventor Fanping Sun
Fanping Sun 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: 20120074396Abstract: There is provided an electroactive material having Formula I wherein: Q is the same or different at each occurrence and can be O, S, Se, Te, NR, SO, SO2, or SiR3; R is the same or different at each occurrence and can be hydrogen, alkyl, aryl, alkenyl, or alkynyl; and R1 through R6 are the same or different and can be hydrogen, alkyl, aryl, halogen, hydroxyl, aryloxy, alkoxy, alkenyl, alkynyl, amino, alkylthio, phosphino, silyl, —COR, —COOR, —PO3R2, —OPO3R2, or CN.Type: ApplicationFiled: December 2, 2011Publication date: March 29, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: HONG MENG, FANPING SUN
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Patent number: 8115200Abstract: There is provided an electroactive material having Formula I wherein: Q is the same or different at each occurrence and can be O, S, Se, Te, NR, SO, SO2, or SiR3; R is the same or different at each occurrence and can be hydrogen, alkyl, aryl, alkenyl, or alkynyl; and R1 through R6 are the same or different and can be hydrogen, alkyl, aryl, halogen, hydroxyl, aryloxy, alkoxy, alkenyl, alkynyl, amino, alkylthio, phosphino, silyl, —COR, —COOK, —PO3R2, —OPO3R2, or CN.Type: GrantFiled: December 9, 2008Date of Patent: February 14, 2012Assignee: E.I. du Pont de Nemours and CompanyInventors: Hong Meng, Fanping Sun
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Patent number: 8087637Abstract: A controlled pressure release valve controls the gas flow in high-pressure systems. The valve includes a valve body, a slidable spool, a primary flow passage, a first and second chamber, a first and second spring, a first and second passages, and a valve actuator. The valve body has a gas inlet and a gas outlet and houses the slidable spool. The slidable spool has a first end and a second end, and is slidable between a first position and a second position. The primary flow passage connects the gas inlet and the gas outlet and increases with lineal movement of the slidable spool. The first chamber is located adjacent the first end of the slidable spool and a second chamber is located adjacent the second end of the slidable spool. The sliding spool is biased toward the first position by a gas pressure applied by the second chamber and the second spring.Type: GrantFiled: April 7, 2005Date of Patent: January 3, 2012Assignee: Chubb International Holdings LimitedInventors: Fanping Sun, Zaffir Chaudhry, Muhidin A. Lelic
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Publication number: 20110291428Abstract: A clutch for an electronic door lock includes a primary mover, a pivotal pawl, a first shaft, and a second shaft. The second shaft is axially co-aligned with the first shaft and is rotatably mounted adjacent the rotatable first shaft. The primary mover is selectively actuatable to engage the pawl such that rotation of the first shaft relative to the second shaft by a user pivots the pawl into coupling engagement between the first shaft and the second shaft.Type: ApplicationFiled: February 20, 2009Publication date: December 1, 2011Applicant: UTC FIRE & SECURITY CORPORATIONInventors: John M. Milton-Benoit, Ulf J. Jonsson, Robert H. Dold, Fanping Sun, Zaffir A. Chaudhry
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Publication number: 20110260081Abstract: A self-regulating valve controls the flow of high pressure gas discharging from a gas cylinder in a fire suppression system in response to a detection of a fire within a protected space by a two-step process which reduces the pressure rise within the protected space upon release of the fire suppression gas into the protected space.Type: ApplicationFiled: December 29, 2008Publication date: October 27, 2011Applicant: UTC Fire & Security CorporationInventors: Muhidin A. Lelic, Fanping Sun, Zaffir A. Chaudhry, Tony George, Lyle H. Hamilton, Robert G. Dunster, Rob J. Lade, Paul C. Upton, Mark Williamson
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Publication number: 20110260581Abstract: A sensor includes a film, at least one piezoelectric strip disposed on the film, a first conductive line disposed on the film, the first conductive line electrically connected to a first portion of the at least one piezoelectric strip, a second conductive line disposed on the film, the second conductive line electrically connected to a second portion of the at least one piezoelectric strip, and a dampening member disposed on the at least one piezoelectric strip.Type: ApplicationFiled: April 25, 2011Publication date: October 27, 2011Applicant: SIKORSKY AIRCRAFT CORPORATIONInventors: Anindya Ghoshal, Zaffir A. Chaudhry, Fanping Sun
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Patent number: 8020833Abstract: A two-step, self-regulating valve (16) controls gas flow from a gas cylinder (12) in a high pressure system. The valve (16) includes a valve body (24), a piston (26), a plug (28), a valve actuator (34), and a piston actuator (32). The piston (26) is movable within the valve body (24) along an axis between a first and a second position. The plug (28) is movable within the valve body (24) along the axis between a valve closed position, a partially open position, and a fully open position. The valve actuator (34) allows the plug (28) to move from the valve closed position to the partially open position. The piston actuator (32) causes the piston (26) to move from the first position to the second position when a gas pressure in the gas cylinder (12) is less than a setpoint. When the piston (26) moves to the second position, the piston (26) allows the plug (28) to move from the partially open position to the fully open position.Type: GrantFiled: December 22, 2005Date of Patent: September 20, 2011Assignee: CHUBB International Holding LimitedInventors: Fanping Sun, Muhidin A. Lelic, Zaffir Chaudhry, Tony George, Lyle Hamilton
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Publication number: 20110210564Abstract: An actuator for an electronic door lock includes a stationary first magnet assembly, a beam, and a second magnet assembly. The first magnet includes at least one magnet stationarily positioned within the electronic door lock. The beam is movable relative to the first magnet assembly to a first position and a second position. The second magnet assembly is connected to the beam and is configured to be magnetically repulsed away from the first magnet assembly. The repulsion of the second magnet assembly maintains the beam in either the first or second position until the beam is selectively actuated therefrom.Type: ApplicationFiled: December 2, 2008Publication date: September 1, 2011Applicant: UTC Fire & Security CorporationInventors: Fanping Sun, Zaffir A. Chaudhry, Ulf J. Jonsson, John M. Milton-Benoit, Kitty P. Liu
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Publication number: 20110209507Abstract: A clutch for an electronic door lock includes a first shaft, a second shaft, a spring, a rheological fluid, and a plunger. The second shaft has an aperture therein and is axially co-aligned with the first shaft and is rotatably mounted adjacent the rotatable first shaft. The spring is disposed in the aperture in the second shaft. The rheological fluid is held within the aperture and is capable of changing viscosities in response to the application of an electrical current across the fluid. The plunger is biased by the spring into selective coupling engagement with the first shaft and is capable of selective motion into the aperture in response to contact by a camming surface of the first shaft due to relative rotation of the first shaft with respect to the second shaft.Type: ApplicationFiled: November 28, 2008Publication date: September 1, 2011Inventors: Fanping Sun, Zaffir A. Chaudhry, John M. Milton-Benoit, Ulf J. Jonsson
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Publication number: 20100262300Abstract: A vibration suppressor system includes a control system operable to control power from a power system to an actuator system in response to a minimal actuation power algorithm. The minimal actuation power algorithm employs a real electric power consumption of the actuator system as a single control objective function to suppress a vibration of the structure.Type: ApplicationFiled: March 28, 2010Publication date: October 14, 2010Inventors: Fanping Sun, Zaffir A. Chaudhry
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Patent number: 7762770Abstract: A helicopter rotor blade that has a blade body and a control flap secured to the blade body. The rotor blade has a first primary mover capable of generating a first linear motion that is sufficient to generate a high amplitude, low frequency motion of the control flap; and a second primary mover capable of generating a second linear motion that is sufficient to generate a small amplitude, high frequency motion of the control flap. Further, the rotor blade has a coupling transmission for combining the first linear motion with the second linear motion that generates a cumulative linear motion; and a second transmission device that causes the cumulative linear motion to rotate the control flap.Type: GrantFiled: December 14, 2006Date of Patent: July 27, 2010Assignee: Sikorsky Aircraft CorporationInventors: Fanping Sun, Zaffir A. Chaudhry, Jimmy Lih-Min Yeh, Michael G. O'Callaghan, Ulf J. Jonsson, Brian E. Wake, Robert H. Dold
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Patent number: 7677868Abstract: A self-lubricated actuator for a rotor blade flap of a helicopter having a housing; a motor having a shaft disposed in a bearing is provided. The actuator further has an output rod and a mechanism operatively associated with the motor and the output rod to transmit movement from the motor to the output rod. The housing includes a lubrication medium capable of substantially immersing the bearing, the motor shaft and the mechanism during operation.Type: GrantFiled: December 7, 2006Date of Patent: March 16, 2010Assignee: Sikorsky Aircraft CorporationInventors: Zaffir Chaudhry, Andrew John Collins, Ulf J Jonsson, Fanping Sun, Brian E Wake, Michael G O'Callaghan, Jimmy Lin-Min Yeh
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Publication number: 20090178811Abstract: A two-step, self-regulating valve (16) controls gas flow from a gas cylinder (12) in a high pressure system. The valve (16) includes a valve body (24), a piston (26), a plug (28), a valve actuator (34), and a piston actuator (32). The piston (26) is movable within the valve body (24) along an axis between a first and a second position. The plug (28) is movable within the valve body (24) along the axis between a valve closed position, a partially open position, and a fully open position. The valve actuator (34) allows the plug (28) to move from the valve closed position to the partially open position. The piston actuator (32) causes the piston (26) to move from the first position to the second position when a gas pressure in the gas cylinder (12) is less than a setpoint. When the piston (26) moves to the second position, the piston (26) allows the plug (28) to move from the partially open position to the fully open position.Type: ApplicationFiled: December 22, 2005Publication date: July 16, 2009Applicant: Chubb International Holdings LimitedInventors: Fanping Sun, Muhidin A. Lelic, Zaffir Chaudhry, Tony George, Lyle Hamilton
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Publication number: 20090173900Abstract: A controlled pressure release valve controls the gas flow in high-pressure systems. The valve includes a valve body, a slidable spool, a primary flow passage, a first and second chamber, a first and second spring, a first and second passages, and a valve actuator. The valve body has a gas inlet and a gas outlet and houses the slidable spool. The slidable spool has a first end and a second end, and is slidable between a first position and a second position. The primary flow passage connects the gas inlet and the gas outlet and increases with lineal movement of the slidable spool. The first chamber is located adjacent the first end of the slidable spool and a second chamber is located adjacent the second end of the slidable spool. The sliding spool is biased toward the first position by a gas pressure applied by the second chamber and the second spring.Type: ApplicationFiled: April 7, 2005Publication date: July 9, 2009Applicant: Chubb InternationalInventors: Fanping Sun, Zaffir Chaudhry, Muhidin A. Lelic
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Publication number: 20080145220Abstract: A helicopter rotor blade having a blade body that defines a confined space and a control flap that is secured to the blade body that moves through a range of motion. An electric machine is secured inside of the rotor blade body that rotates a motor shaft. A transmission device is secured to the motor shaft and the control flap that transfers rotary motion of the motor shaft to the control flap to generate movement of the control flap through its range of motion. The transmission device remains substantially within the confined space throughout the range of motion.Type: ApplicationFiled: December 14, 2006Publication date: June 19, 2008Inventors: Jimmy Lih-Min Yeh, Fanping Sun, Zaffir A. Chaudhry, Robert H. Dold, Ulf J. Jonsson, Brian E. Wake, Michael G. O'Callaghan
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Publication number: 20080145221Abstract: A helicopter rotor blade that has a blade body and a control flap secured to the blade body. The rotor blade has a first primary mover capable of generating a first linear motion that is sufficient to generate a high amplitude, low frequency motion of the control flap; and a second primary mover capable of generating a second linear motion that is sufficient to generate a small amplitude, high frequency motion of the control flap. Further, the rotor blade has a coupling transmission for combining the first linear motion with the second linear motion that generates a cumulative linear motion; and a second transmission device that causes the cumulative linear motion to rotate the control flap.Type: ApplicationFiled: December 14, 2006Publication date: June 19, 2008Inventors: Fanping Sun, Zaffir A. Chaudhry, Jimmy Lih-Min Yeh, Michael G. O'Callaghan, Ulf J. Jonsson, Brian E. Wake, Robert H. Dold
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Publication number: 20080138203Abstract: A self-lubricated actuator for a rotor blade flap of a helicopter having a housing; a motor having a shaft disposed in a bearing is provided. The actuator further has an output rod and a mechanism operatively associated with the motor and the output rod to transmit movement from the motor to the output rod. The housing includes a lubrication medium capable of substantially immersing the bearing, the motor shaft and the mechanism during operation.Type: ApplicationFiled: December 7, 2006Publication date: June 12, 2008Applicant: Sikorsky Aircraft CorporationInventors: Andrew John Collins, Zaffir Chaudhry, Ulf J Jonsson, Fanping Sun, Brian E. Wake, Michael G. O'Callaghan, Jimmy Lin-Min Yeh
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Publication number: 20080101931Abstract: A device for controlling the pitch of a helicopter's rotor blade, the device having a BLDC motor based actuator; and at least one control surface operatively connected to the BLDC motor based actuator. The actuator and the control surface are preferably fully integrated into the interior profile of the rotor blade and are capable of controlling the PFC of the helicopter and improving HHC during operation by reducing noise and vibration. The motor is preferably a high power density motor incorporating rare earth permanent magnets connected to a roller/ball screw or planetary gear set to provide the right combination of force/torque, stroke and frequency.Type: ApplicationFiled: December 9, 2005Publication date: May 1, 2008Inventors: Zaffir Chaudhry, Brian E. Wake, Fanping Sun, Richard Jeremy Bedwell, Jimmy Lin-Min Yeh, Lee A. Hoffman
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Publication number: 20040150529Abstract: A sensor system includes a power harvesting subsystem, a control subsystem, a sensor subsystem and a communication subsystem. Electromechanical systems generate and dissipate multiple forms of waste energy as a by-product of system operation. Waste energy in the system may lead to destructive side effects which adversely affect the life of system elements. The sensor system is powered above a predetermined level and communicates the sensed information to a remote processor for system diagnosis.Type: ApplicationFiled: January 30, 2003Publication date: August 5, 2004Inventors: Jeffrey T. Benoit, Balkrishna S. Annigeri, Richard P. Card, Fanping Sun, Bhalchandra R. Tulpule, Howard A. Winston
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Patent number: 6768312Abstract: A structural integrity monitoring system includes a piezoelectric sensor that is adapted to be secured to or embedded within an item of interest. A resistive element is placed in series with the piezoelectric sensor. An output from the series combination of the resistive element and the sensor is conditioned and then transmitted wirelessly to a remote location. An interface located at the remote location receives the transmitted signal, determines the content of the signal and provides an output indicative of the structural integrity of the item of interest.Type: GrantFiled: June 6, 2001Date of Patent: July 27, 2004Assignee: United Technologies CorporationInventors: Fanping Sun, Balkrishna S. Annigeri, Howard Winston