Patents by Inventor Qunyi Ma

Qunyi Ma 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: 12123430
    Abstract: An inlet guide vane mechanism comprises: a flow guide body having a front end section, a middle section and a rear end section, wherein the front end section, the middle section and the rear end section respectively have streamline contours in symmetry about the impeller axis and are transitionally connected by smooth curved surfaces, the flow guide body comprises an air inlet pipe arranged along the impeller axis, one end of the air inlet pipe being fixed at the front end section of the flow guide body, and the other end thereof being fixed at the rear end section of the flow guide body; a support structure for fixing the flow guide body at the air inlet end of the centrifugal compressor; and a plurality of inlet guide vanes rotatably fixed in the circumferential direction of the middle section of the flow guide body through a rotating shaft thereof, respectively.
    Type: Grant
    Filed: April 18, 2023
    Date of Patent: October 22, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Lei Yu, Fujin Feng, Huiliang Zhang, Qunyi Ma, Vishnu Sishtla
  • Patent number: 12044259
    Abstract: A piping assembly and a refrigeration system. The piping assembly includes: an inlet portion extending along an inlet axis; an outlet portion extending along an outlet axis, wherein a predetermined angle is formed between the inlet axis and the outlet axis; a transition portion being attached between the inlet portion and the outlet portion and defining a transition axis; a cavity extending from the inlet portion to the outlet portion through the transition portion; and a first straightening portion including a plurality of deflector plates attached to an inner wall of the cavity, wherein the first straightening portion includes at least a first deflector plate and a second deflector plate connected at an angle, and the first deflector plate and the second deflector plate are configured to extend in parallel with a part of the outlet axis and a part of the transition axis.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: July 23, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Lei Yu, Fujin Feng, Yuchang Shao, Xu Jiang, Qunyi Ma
  • Publication number: 20230332621
    Abstract: An inlet guide vane mechanism comprises: a flow guide body having a front end section, a middle section and a rear end section, wherein the front end section, the middle section and the rear end section respectively have streamline contours in symmetry about the impeller axis and are transitionally connected by smooth curved surfaces, the flow guide body comprises an air inlet pipe arranged along the impeller axis, one end of the air inlet pipe being fixed at the front end section of the flow guide body, and the other end thereof being fixed at the rear end section of the flow guide body; a support structure for fixing the flow guide body at the air inlet end of the centrifugal compressor; and a plurality of inlet guide vanes rotatably fixed in the circumferential direction of the middle section of the flow guide body through a rotating shaft thereof, respectively.
    Type: Application
    Filed: April 18, 2023
    Publication date: October 19, 2023
    Inventors: Lei Yu, Fujin Feng, Huiliang Zhang, Qunyi Ma, Vishnu Sishtla
  • Publication number: 20230288107
    Abstract: A throttling device, including a tank for accommodating liquid refrigerant, with an orifice plate arranged at an outlet of the tank; a floating ball capable of floating on a liquid surface of the refrigerant; a pivot rod pivotally fixed on the tank through a pivot shaft; a connecting rod, with one end thereof fixedly connected with the floating ball, and the other end thereof fixedly connected with the pivot rod; a valve plate fixed on the pivot rod and located near an orifice of the orifice plate, wherein the valve plate is capable of adjusting a flow area of the orifice under the action of the pivot rod; and a limit piece located above the valve plate and being movable to limit the valve plate.
    Type: Application
    Filed: March 6, 2023
    Publication date: September 14, 2023
    Inventors: Yang Yu, Lihui Yang, Haiping Ding, Qunyi Ma, Rui Rui, Lei Yu
  • Publication number: 20220034338
    Abstract: A piping assembly and a refrigeration system. The piping assembly includes: an inlet portion extending along an inlet axis; an outlet portion extending along an outlet axis, wherein a predetermined angle is formed between the inlet axis and the outlet axis; a transition portion being attached between the inlet portion and the outlet portion and defining a transition axis; a cavity extending from the inlet portion to the outlet portion through the transition portion; and a first straightening portion including a plurality of deflector plates attached to an inner wall of the cavity, wherein the first straightening portion includes at least a first deflector plate and a second deflector plate connected at an angle, and the first deflector plate and the second deflector plate are configured to extend in parallel with a part of the outlet axis and a part of the transition axis.
    Type: Application
    Filed: July 21, 2021
    Publication date: February 3, 2022
    Inventors: Lei Yu, Fujin Feng, Yuchang Shao, Xu Jiang, Qunyi Ma