Patents by Inventor Pingping XIAN

Pingping XIAN 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: 11731484
    Abstract: A vehicle air conditioning device having a split housing structure includes: a front housing disposed in a compartment of a vehicle; a heat exchanger disposed in the front housing, a rear housing disposed in an engine room or a motor room of the vehicle; a firewall through which the front housing is connected with the rear housing; an inlet; a blower disposed in the rear housing; an evaporator configured to cool air or to chill air; upper and lower mixing doors disposed in an up-and-down direction downstream of the evaporator; a first plate member disposed between the upper and lower mixing doors; a second plate member disposed downstream of the heat exchanger; an upper outlet; and a lower outlet. The first plate member divides the airflow from the evaporator, and the upper and lower mixing doors each guides the airflow to selectively flow through the heat exchanger.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: August 22, 2023
    Assignee: DENSO CORPORATION
    Inventors: Lei Zhang, Xiaoya Su, Yunfei Hu, Pingping Xian
  • Publication number: 20210213799
    Abstract: A vehicle air conditioning device having a split housing structure includes: a front housing disposed in a compartment of a vehicle; a heat exchanger disposed in the front housing, a rear housing disposed in an engine room or a motor room of the vehicle; a firewall through which the front housing is connected with the rear housing; an inlet; a blower disposed in the rear housing; an evaporator configured to refrigerate air; upper and lower mixing doors disposed in an up to down direction on a downstream of the evaporator; a first plate member disposed between the upper and lower mixing doors; a second plate member disposed on a downstream of the heat exchanger; an upper outlet; and a lower outlet. The first plate member divides the airflow from the evaporator, and the upper and lower mixing doors each guides the airflow to selectively flow through the heat exchanger.
    Type: Application
    Filed: January 4, 2021
    Publication date: July 15, 2021
    Inventors: Lei ZHANG, Xiaoya SU, Yunfei HU, Pingping XIAN