Patents by Inventor Xiaoxiong HU

Xiaoxiong HU 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).

  • Vacuum breaking device for vacuum generator
    Patent number: 11506225
    Abstract: A vacuum breaking device for a vacuum generator, includes a main housing, wherein the main body is provided with an air supply port, a vacuum interface chamber and a vacuum generating chamber. An intake passage is arranged inside the main housing, a pilot valve controlled by an electromagnetic pilot valve assembly is arranged between the intake passage and the air supply port. The pilot valve includes a pilot valve body, a pilot valve core and a pilot valve spring. A throttle pipe is arranged axially inside the main housing. A pneumatic on-off valve is arranged between the vacuum interface chamber and the vacuum generating chamber and outside the throttle pipe. The pneumatic on-off valve includes a slide core and a slide core spring, and a control chamber mated with an end surface of the slide core is arranged inside the main housing.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: November 22, 2022
    Assignee: XINGYU ELECTRON (NINGBO) CO., LTD
    Inventors: Jianbo Cao, Dongjie Zhu, Guangjing Chen, Xiaoxiong Hu
  • VACUUM BREAKING DEVICE FOR VACUUM GENERATOR
    Publication number: 20200277971
    Abstract: A vacuum breaking device for a vacuum generator, includes a main housing, wherein the main body is provided with an air supply port, a vacuum interface chamber and a vacuum generating chamber. An intake passage is arranged inside the main housing, a pilot valve controlled by an electromagnetic pilot valve assembly is arranged between the intake passage and the air supply port. The pilot valve includes a pilot valve body, a pilot valve core and a pilot valve spring. A throttle pipe is arranged axially inside the main housing. A pneumatic on-off valve is arranged between the vacuum interface chamber and the vacuum generating chamber and outside the throttle pipe. The pneumatic on-off valve includes a slide core and a slide core spring, and a control chamber mated with an end surface of the slide core is arranged inside the main housing.
    Type: Application
    Filed: September 30, 2019
    Publication date: September 3, 2020
    Applicant: XingYu Electron (Ningbo) CO.,LTD
    Inventors: Jianbo CAO, Dongjie ZHU, Guangjing CHEN, Xiaoxiong HU