Patents by Inventor Honggang Yyang

Honggang Yyang 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).

  • METHOD FOR IMPROVING THE PRECISION AND RELIABILITY OF CIRCUIT HEATING CONTROL THROUGH A 1 - WIRE SENSOR
    Publication number: 20090171514
    Abstract: A method for improving the precision and reliability of the heating control for an anesthetic machine circuit, comprises: a 1-wire temperature sensor is positioned in the anesthetic machine circuit and electrically connected to a control unit. The control unit reads the ID and verification code of the temperature sensor according to 1-wire protocol and determines the validity of the temperature sensor. The control unit reads the temperature value of the temperature sensor and compares it with the target control temperature. The control unit then turns on the control switch when requiring heating such that power supply powers the heater and the circuit temperature rises, or on the contrary turns off the control switch and the circuit temperature drops according to a control algorithm. The average power of the heater is controlled by PWM method such that the circuit is operated at a predetermined control temperature.
    Type: Application
    Filed: December 27, 2008
    Publication date: July 2, 2009
    Applicant: BEIJING AEONMED CO., LTD.
    Inventors: Honggang Yyang, Fei Cheng, Wei Wang