Patents by Inventor Qinyang Rao

Qinyang Rao 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).

  • Patent number: 10837413
    Abstract: An air delivery system for an engine includes a first air filter, a second air filter, a first conduit, a second conduit, an air box, and a third conduit. Each of the first air filter and the first conduit, and each of the second air filter and the second conduit are disposed at a first angle with respect to a lateral axis of the air box. The first angle is adapted to limit restriction to flow of intake air from each of the first air filter and the second air filter toward the air box. The third conduit is disposed at a second angle with respect to a longitudinal axis of the air box. The second angle is adapted to limit restriction to the flow of intake air from the air box to the engine.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: November 17, 2020
    Assignee: Caterpillar Inc.
    Inventors: Kalpeshbhai Ghanshyambhai Patel, Qinyang Rao, Dallas James Coffey, Amit Kashyap, Daniel Unger
  • Publication number: 20190390635
    Abstract: An air delivery system for an engine includes a first air filter, a second air filter, a first conduit, a second conduit, an air box, and a third conduit. Each of the first air filter and the first conduit, and each of the second air filter and the second conduit are disposed at a first angle with respect to a lateral axis of the air box. The first angle is adapted to limit restriction to flow of intake air from each of the first air filter and the second air filter toward the air box. The third conduit is disposed at a second angle with respect to a longitudinal axis of the air box. The second angle is adapted to limit restriction to the flow of intake air from the air box to the engine.
    Type: Application
    Filed: June 26, 2018
    Publication date: December 26, 2019
    Applicant: Caterpillar Inc.
    Inventors: Kalpeshbhai Ghanshyambhai Patel, Qinyang Rao, Dallas James Coffey, Amit Kashyap, Daniel Unger
  • Publication number: 20180142602
    Abstract: A dust ejector and exhaust tube assembly is provided. The dust ejector and exhaust tube assembly comprises an exhaust tube, and a dust ejector tube at least partially located within the exhaust tube. The dust ejector tube includes a tube portion having a constant diameter smaller than a diameter of the exhaust tube. The dust ejector tube further includes an outlet portion including an outlet of the dust ejector tube. The outlet of the dust ejector tube has a diameter larger than the constant diameter of the tube portion.
    Type: Application
    Filed: November 22, 2016
    Publication date: May 24, 2018
    Applicant: Caterpillar Global Mining Equipment LLC
    Inventors: Jerry E. BERKELAND, Qinyang RAO
  • Patent number: 9970523
    Abstract: A torque converter includes a housing, and an impeller shell disposed within the housing. The impeller shell has a back wall, and a plurality of fins radially arranged and extending outwardly from the back wall. The torque converter further includes a backing hub rigidly coupled to the back wall of the impeller shell. The backing hub has a barrier element extending therefrom. A free end of the barrier element is disposed proximal to the housing to restrict a flow of fluid therebetween.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: May 15, 2018
    Assignee: Caterpillar Inc.
    Inventors: Valerie Annette Ross, Xuekui Lan, Jim Wu, Qinyang Rao, Timothy M. Waters, Weixue Tian
  • Publication number: 20170059022
    Abstract: A torque converter includes a housing, and an impeller shell disposed within the housing. The impeller shell has a back wall, and a plurality of fins radially arranged and extending outwardly from the back wall. The torque converter further includes a backing hub rigidly coupled to the back wall of the impeller shell. The backing hub has a barrier element extending therefrom. A free end of the barrier element is disposed proximal to the housing to restrict a flow of fluid therebetween.
    Type: Application
    Filed: August 28, 2015
    Publication date: March 2, 2017
    Applicant: Caterpillar Inc.
    Inventors: Valerie Annette Ross, Xuekui Lan, Jim Wu, Qinyang Rao, Timothy M. Waters, Weixue Tian