Patents by Inventor Yiu Leung Man

Yiu Leung Man 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).

  • Publication number: 20110031835
    Abstract: An automated manual transmission comprises a hydraulic pump and a motor for driving the hydraulic pump. The motor comprises a stator and a rotor rotatably mounted to the stator, the stator comprising a housing and a motor end cap fixed to the housing, the rotor comprising a rotatable shaft rotatably supported by a bearing which is installed to the end cap. The bearing comprises an inner race, an outer race, rollers disposed between the inner race and the outer race, and roll holder for holding the rollers. A ring-shaped seal member is arranged at one axial end of the bearing to seal the gap between the inner race and outer race. The end cap is molded at outer peripheral surface of the outer race.
    Type: Application
    Filed: August 5, 2010
    Publication date: February 10, 2011
    Inventors: Harry Hang Fung CHANG, Yiu Leung Man, Yao Fei Li
  • Patent number: 6873083
    Abstract: A multi-brush cage assembly for a subfractional horsepower electric motor has two brushes 22, 23 received in separate chambers 24, 25 of the cage and urged by springs 26, 27 towards a commutator 15 of the motor. An L-shaped changeover lever 30 is located on a pivot 33 between the chambers and keeps one brush 23 retracted until the other brush 22 has worn out.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: March 29, 2005
    Assignee: Johnson Electric S.A.
    Inventors: Fretrick Siu Kwan Ko, Yiu Leung Man
  • Publication number: 20040183394
    Abstract: A multi-brush cage assembly for a subfractional horsepower electric motor has two brushes 22, 23 received in separate chambers 24, 25 of the cage and urged by springs 26, 27 towards a commutator 15 of the motor. An L-shaped changeover lever 30 is located on a pivot 33 between the chambers and keeps one brush 23 retracted until the other brush 22 has worn out.
    Type: Application
    Filed: May 21, 2003
    Publication date: September 23, 2004
    Inventors: Fretrick Siu Kwan Ko, Yiu Leung Man