Patents by Inventor Weilin Han

Weilin Han 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).

  • Undercarriage and keylock assembly for use with a circuit breaker
    Patent number: 8471159
    Abstract: An undercarriage for use with a circuit breaker includes a bottom plate, a front beam removably coupled to the bottom plate via a lead screw, wherein the lead screw is configured to engage with a threaded support that is coupled to the bottom plate to facilitate racking the circuit breaker in a switchgear. The undercarriage also includes a keylock assembly configured to enable racking the circuit breaker in the switchgear. The keylock assembly includes a lock and an interlock configured to couple to the lock such that the interlock is movable between a locked position and an unlocked position, wherein engagement of a racking handle with the lead screw is enabled when the interlock is in the unlocked position.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: June 25, 2013
    Assignee: General Electric Company
    Inventor: Weilin Han
  • UNDERCARRIAGE AND KEYLOCK ASSEMBLY FOR USE WITH A CIRCUIT BREAKER
    Publication number: 20120118711
    Abstract: An undercarriage for use with a circuit breaker includes a bottom plate, a front beam removably coupled to the bottom plate via a lead screw, wherein the lead screw is configured to engage with a threaded support that is coupled to the bottom plate to facilitate racking the circuit breaker in a switchgear. The undercarriage also includes a keylock assembly configured to enable racking the circuit breaker in the switchgear. The keylock assembly includes a lock and an interlock configured to couple to the lock such that the interlock is movable between a locked position and an unlocked position, wherein engagement of a racking handle with the lead screw is enabled when the interlock is in the unlocked position.
    Type: Application
    Filed: November 15, 2010
    Publication date: May 17, 2012
    Inventor: Weilin Han