Patents by Inventor Pengjin Lin

Pengjin Lin 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).

  • Low liquid level detecting device and method
    Patent number: 8689627
    Abstract: The invention discloses a low liquid level detecting device comprising a float sensor and a casing. The casing has first to third chambers formed between an upper wall and a bottom wall. The top portion of the first chamber is formed with a top opening. The bottom portion of the first chamber communicates with the bottom portion of the second chamber. The top portion of the second chamber communicates with the top portion of the third chamber. The bottom portion of the third chamber is formed with a bottom opening. A float sensor is mounted inside the third chamber. A drain hole is formed through the bottom part of a chamber wall surrounding the third chamber. A method for detecting a low liquid level using the above low liquid level detecting device is also disclosed.
    Type: Grant
    Filed: July 5, 2010
    Date of Patent: April 8, 2014
    Assignee: Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
    Inventors: Jizhou Wu, Pengjin Lin
  • LOW LIQUID LEVEL DETECTING DEVICE AND METHOD
    Publication number: 20100269587
    Abstract: The invention discloses a low liquid level detecting device comprising a float sensor and a casing. The casing has first to third chambers formed between an upper wall and a bottom wall. The top portion of the first chamber is formed with a top opening. The bottom portion of the first chamber communicates with the bottom portion of the second chamber. The top portion of the second chamber communicates with the top portion of the third chamber. The bottom portion of the third chamber is formed with a bottom opening. A float sensor is mounted inside the third chamber. A drain hole is formed through the bottom part of a chamber wall surrounding the third chamber. A method for detecting a low liquid level using the above low liquid level detecting device is also disclosed.
    Type: Application
    Filed: July 5, 2010
    Publication date: October 28, 2010
    Applicant: SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD.
    Inventors: Jizhou WU, Pengjin LIN
  • Low liquid level detecting device and method
    Patent number: 7748269
    Abstract: The invention discloses a low liquid level detecting device comprising a float sensor and a casing. The casing has first to third chambers formed between an upper wall and a bottom wall. The top portion of the first chamber is formed with a top opening. The bottom portion of the first chamber is fluid communicated with the bottom portion of the second chamber. The top portion of the second chamber is fluid communicated with the top portion of the third chamber. The bottom portion of the third chamber is formed with a bottom opening. A float sensor is mounted inside the third chamber. A drain hole is formed through the bottom part of a chamber wall surrounding the third chamber. A method for detecting a low liquid level using the above low liquid level detecting device is also disclosed.
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: July 6, 2010
    Assignee: Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
    Inventors: Jizhou Wu, Pengjin Lin
  • Low liquid level detecting device and method
    Publication number: 20080168836
    Abstract: The invention discloses a low liquid level detecting device comprising a float sensor and a casing. The casing has first to third chambers formed between an upper wall and a bottom wall. The top portion of the first chamber is formed with a top opening. The bottom portion of the first chamber is fluid communicated with the bottom portion of the second chamber. The top portion of the second chamber is fluid communicated with the top portion of the third chamber. The bottom portion of the third chamber is formed with a bottom opening. A float sensor is mounted inside the third chamber. A drain hole is formed through the bottom part of a chamber wall surrounding the third chamber. A method for detecting a low liquid level using the above low liquid level detecting device is also disclosed.
    Type: Application
    Filed: November 20, 2007
    Publication date: July 17, 2008
    Inventors: Jizhou Wu, Pengjin Lin