Patents by Inventor Zhengchao Hu

Zhengchao 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).

  • Patent number: 10955063
    Abstract: A pneumatic amplifier includes a valve body, a first comparison chamber, a third comparison chamber and a second comparison chamber. A first diaphragm and a second diaphragm are arranged in the first comparison chamber and fixed to the valve body. A mounting plate A is fixedly arranged between the first diaphragm and the second diaphragm. A seventh diaphragm, an eighth diaphragm, a ninth diaphragm and a tenth diaphragm are arranged in the second comparison chamber and fixedly arranged on the valve body. A mounting plate C is fixedly arranged among the seventh diaphragm, the eighth diaphragm, the ninth diaphragm and the tenth diaphragm. A third diaphragm, a fourth diaphragm, a fifth diaphragm and a sixth diaphragm are arranged in the third comparison chamber and fixed to the valve body. A mounting plate B is fixedly arranged among the third diaphragm, the fourth diaphragm, the fifth diaphragm and the sixth diaphragm.
    Type: Grant
    Filed: September 30, 2018
    Date of Patent: March 23, 2021
    Assignee: MERCURY INSTRUMENTS (CHENGDU) CORPORATION
    Inventors: Zhengchao Hu, Keyang Lei
  • Publication number: 20210025515
    Abstract: A pneumatic amplifier includes a valve body, a first comparison chamber, a third comparison chamber and a second comparison chamber. A first diaphragm and a second diaphragm are arranged in the first comparison chamber and fixed to the valve body. A mounting plate A is fixedly arranged between the first diaphragm and the second diaphragm. A seventh diaphragm, an eighth diaphragm, a ninth diaphragm and a tenth diaphragm are arranged in the second comparison chamber and fixedly arranged on the valve body. A mounting plate C is fixedly arranged among the seventh diaphragm, the eighth diaphragm, the ninth diaphragm and the tenth diaphragm. A third diaphragm, a fourth diaphragm, a fifth diaphragm and a sixth diaphragm are arranged in the third comparison chamber and fixed to the valve body. A mounting plate B is fixedly arranged among the third diaphragm, the fourth diaphragm, the fifth diaphragm and the sixth diaphragm.
    Type: Application
    Filed: September 30, 2018
    Publication date: January 28, 2021
    Applicant: MERCURY INSTRUMENTS (CHENGDU) CORPORATION
    Inventors: Zhengchao HU, Keyang LEI
  • Publication number: 20090022058
    Abstract: A method and a system for detecting and reporting faults of data transmission equipment. The method includes: detecting the fault causes of the local data transmission equipment, sending the detected fault causes and important state information of the local data transmission equipment to the peer data transmission equipment, and identifying the received fault causes and important state information and reporting them to the NMS.
    Type: Application
    Filed: September 26, 2008
    Publication date: January 22, 2009
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Yong Li, Zhengchao Hu, Enchang Dong, Zhenyu Tang