Patents by Inventor Chandrakumar Kulkarni
Chandrakumar Kulkarni 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: 9120358Abstract: A hitch ball assembly includes a hitch ball supported on a housing, a bore within the hitch ball and housing, and a pin rotatable with respect to the hitch ball and housing. The pin is configured to engage a trailer coupler and rotate therewith. An angle sensor measures rotation of the pin to determine rotational movement of the trailer.Type: GrantFiled: December 17, 2013Date of Patent: September 1, 2015Assignee: Cequent Performance Products, Inc.Inventors: Douglas R. Motts, Chandrakumar Kulkarni, Fred Brickley
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Patent number: 9102267Abstract: A signal converter and method of converting a signal are provided. The converter includes a power supply, microcontroller and current sensor. The microcontroller is connected to a power supply and is configured to receive inputs from a vehicle and output signals to loads of a second vehicle. The sensor is connected to the microcontroller to monitor current flow at the loads. The output channels are configured to stagger activity on the output signals. The microcontroller reduces the duty cycle of the output signals if the current flow rises above a first threshold and resumes the output signal to full strength once the current flow falls bellow a second threshold. The method includes receiving an input signal, sending an output signal, measuring current flow, measuring temperature, reducing the power of the output signal, and restoring the output signal.Type: GrantFiled: May 14, 2012Date of Patent: August 11, 2015Assignee: Cequent Performance Products, Inc.Inventor: Chandrakumar Kulkarni
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Publication number: 20140324314Abstract: Towed vehicles can be extremely heavy. Accordingly, it is too much of a burden to the braking system of a towing vehicle to not have brakes on the towed vehicle. Controlling the brakes of the towed vehicle must be accurately applied otherwise very dangerous conditions can be created. A method of controlling braking of a towed vehicle is, therefore, needed. The method comprises receiving speed signals based on speed of a towing vehicle, or a towed vehicle, or both said towing vehicle and said towed vehicle, receiving pressure signals based on pressure of a hydraulic brake system of the towing vehicle, and generating a brake output signal based on the speed signals and the pressure signals.Type: ApplicationFiled: July 14, 2014Publication date: October 30, 2014Inventors: Marcia Albright, Chandrakumar Kulkarni
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Publication number: 20140288795Abstract: Towed vehicles can be extremely heavy. Accordingly, it is too much of a burden to the braking system of a towing vehicle to not have brakes on the towed vehicle. Controlling the brakes of the towed vehicle must be accurately applied otherwise undesirable conditions can be created. There is a need for a method for controlling braking of a towed vehicle. This method comprises receiving a first signal via a communication bus of a towing vehicle, the first signal relating to at least one operating condition of at least one the towing vehicle and a towed vehicle, sending a second signal to brakes of the towed vehicle, the second signal based on said first signal.Type: ApplicationFiled: June 9, 2014Publication date: September 25, 2014Inventors: Marcia Albright, Chandrakumar Kulkarni, Larry Eccleston
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Patent number: 8789896Abstract: Towed vehicles can be extremely heavy. Accordingly, it is too much of a burden to the braking system of a towing vehicle to not have brakes on the towed vehicle. Controlling the brakes of the towed vehicle must be accurately applied otherwise very dangerous conditions can be created. A method of controlling braking of a towed vehicle is, therefore, needed. The method comprises receiving speed signals based on speed of a towing vehicle, or a towed vehicle, or both said towing vehicle and said towed vehicle, receiving pressure signals based on pressure of a hydraulic brake system of the towing vehicle, and generating a brake output signal based on the speed signals and the pressure signals.Type: GrantFiled: October 11, 2005Date of Patent: July 29, 2014Assignee: Cequent Electrical ProductsInventors: Marcia Albright, Chandrakumar Kulkarni
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Patent number: 8746812Abstract: Towed vehicles can be extremely heavy. Accordingly, it is too much of a burden to the braking system of a towing vehicle to not have brakes on the towed vehicle. Controlling the brakes of the towed vehicle must be accurately applied otherwise undesirable conditions can be created. There is a need for a method for controlling braking of a towed vehicle. This method comprises receiving a first signal via a communication bus of a towing vehicle, the first signal relating to at least one operating condition of at least one the towing vehicle and a towed vehicle, sending a second signal to brakes of the towed vehicle, the second signal based on said first signal.Type: GrantFiled: October 11, 2005Date of Patent: June 10, 2014Inventors: Marcia Albright, Chandrakumar Kulkarni, Jerald Prater, Jason Reichard, Dennis Morse, Mark Austin, Pat Burgess, Marvin Hoot, Larry Eccleston, Steve Zavodny, Doug Marsden, Kirk Englert
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Publication number: 20140103619Abstract: A hitch ball assembly includes a hitch ball supported on a housing, a bore within the hitch ball and housing, and a pin rotatable with respect to the hitch ball and housing. The pin is configured to engage a trailer coupler and rotate therewith. An angle sensor measures rotation of the pin to determine rotational movement of the trailer.Type: ApplicationFiled: December 17, 2013Publication date: April 17, 2014Applicant: Cequent Performance Products, Inc.Inventors: Douglas R. Motts, Chandrakumar Kulkarni, Fred Brickley
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Publication number: 20120280807Abstract: A signal converter and method of converting a signal are provided. The converter includes a power supply, microcontroller and current sensor. The microcontroller is connected to a power supply and is configured to receive inputs from a vehicle and output signals to loads of a second vehicle. The sensor is connected to the microcontroller to monitor current flow at the loads. The output channels are configured to stagger activity on the output signals. The microcontroller reduces the duty cycle of the output signals if the current flow rises above a first threshold and resumes the output signal to full strength once the current flow falls bellow a second threshold. The method includes receiving an input signal, sending an output signal, measuring current flow, measuring temperature, reducing the power of the output signal, and restoring the output signal.Type: ApplicationFiled: May 14, 2012Publication date: November 8, 2012Applicant: CEQUENT PERFORMANCE PRODUCTS, INC.Inventor: Chandrakumar Kulkarni
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Patent number: 8179142Abstract: A signal converter and method of converting a signal are provided. The converter includes a power supply, microcontroller and current sensor. The microcontroller is connected to a power supply and is configured to receive inputs from a vehicle and output signals to loads of a second vehicle. The sensor is connected to the microcontroller to monitor current flow at the loads. The output channels are configured to stagger activity on the output signals. The microcontroller reduces the duty cycle of the output signals if the current flow rises above a first threshold and resumes the output signal to full strength once the current flow falls below a second threshold. The method includes receiving an input signal, sending an output signal, measuring current flow, measuring temperature, reducing the power of the output signal, and restoring the output signal.Type: GrantFiled: March 11, 2009Date of Patent: May 15, 2012Assignee: Cequent Electric ProductsInventors: Chandrakumar Kulkarni, Joseph B. Wells
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Publication number: 20100152989Abstract: A trailer mounted proportional brake controller for a towed vehicle and a method of controlling the brakes of a towed vehicle is described. The brake control unit may control the brakes of a towed vehicle. The brake control unit may include a power control unit and a hand control unit. The power control unit may be connected to the brakes of the towed vehicle and the power control unit may be capable of selectively controlling the brakes of the towed vehicle based on a set of braking parameters. The hand control unit may be configured to remotely communicate with the power control unit. The hand control unit may be capable of transmitting information to the power control unit to adjust at least one of the braking parameters and receiving information from the power control unit.Type: ApplicationFiled: November 25, 2009Publication date: June 17, 2010Inventors: Bruce Edward Smith, Mark William Austin, Richard Lyons Hilsbos, Chandrakumar Kulkarni
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Publication number: 20090302858Abstract: A signal converter and method of converting a signal are provided. The converter includes a power supply, microcontroller and current sensor. The microcontroller is connected to a power supply and is configured to receive inputs from a vehicle and output signals to loads of a second vehicle. The sensor is connected to the microcontroller to monitor current flow at the loads. The output channels are configured to stagger activity on the output signals. The microcontroller reduces the duty cycle of the output signals if the current flow rises above a first threshold and resumes the output signal to full strength once the current flow falls below a second threshold. The method includes receiving an input signal, sending an output signal, measuring current flow, measuring temperature, reducing the power of the output signal, and restoring the output signal.Type: ApplicationFiled: March 11, 2009Publication date: December 10, 2009Inventors: Chandrakumar Kulkarni, Joseph B. Wells
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Publication number: 20060214506Abstract: Towed vehicles can be extremely heavy. Accordingly, it is too much of a burden to the braking system of a towing vehicle to not have brakes on the towed vehicle. Controlling the brakes of the towed vehicle must be accurately applied otherwise undesirable conditions can be created. There is a need for a method for controlling braking of a towed vehicle. This method comprises receiving a first signal via a communication bus of a towing vehicle, the first signal relating to at least one operating condition of at least one the towing vehicle and a towed vehicle, sending a second signal to brakes of the towed vehicle, the second signal based on said first signal.Type: ApplicationFiled: October 11, 2005Publication date: September 28, 2006Inventors: Marcia Albright, Chandrakumar Kulkarni, Jerald Prater, Jason Reichard, Dennis Morse, Mark Austin, Pat Burgess, Marvin Hoot, Larry Eccleston, Steve Zavodny, Doug Marsden, Kirk Englert
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Publication number: 20060076827Abstract: Towed vehicles can be extremely heavy. Accordingly, it is too much of a burden to the braking system of a towing vehicle to not have brakes on the towed vehicle. Controlling the brakes of the towed vehicle must be accurately applied otherwise very dangerous conditions can be created. A method of controlling braking of a towed vehicle is, therefore, needed. The method comprises receiving speed signals based on speed of a towing vehicle, or a towed vehicle, or both said towing vehicle and said towed vehicle, receiving pressure signals based on pressure of a hydraulic brake system of the towing vehicle, and generating a brake output signal based on the speed signals and the pressure signals.Type: ApplicationFiled: October 11, 2005Publication date: April 13, 2006Inventors: Marcia Albright, Chandrakumar Kulkarni