Patents by Inventor Tien-Lung Hsu

Tien-Lung Hsu 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).

  • Ejection rotation power mechanism
    Publication number: 20020081193
    Abstract: The present invention relates to an ejection rotation power mechanism which includes (a) an externally covered ring mechanism, (b) an eccentric supporting rod mechanism, and (c) a power rotation wheel mechanism, whereby the ejection rotation power mechanism can convert into rotating force and provides stable and high efficient output.
    Type: Application
    Filed: December 27, 2000
    Publication date: June 27, 2002
    Inventor: Tien Lung Hsu
  • Hydraulic power conversion device
    Patent number: 6270323
    Abstract: A hydraulic power conversion device includes a main oil container, a pair of hydraulic pumps, a motor, a twin-circuitry hydraulic cylinder mechanism including a first hydraulic cylinder, a first piston, a piston rod, a sealer, a second piston, a high pressure leakage proof packing and a second hydraulic cylinder, the first hydraulic cylinder having same length as the second hydraulic cylinder but having a smaller diameter than the second hydraulic cylinder, the first hydraulic cylinder being connected with the second hydraulic cylinder by screws, the sealer being fitted between the first and second hydraulic cylinders to form two regions, the second hydraulic cylinder having an inlet provided with a first check valve and an outlet provided with a second check valve, an oil retrieving container connected with the inlet of the second hydraulic cylinder, and a hydraulic pressure storage trough.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: August 7, 2001
    Inventor: Tien-Lung Hsu
  • Hydraulic power conversion device
    Patent number: 6079209
    Abstract: A hydraulic power conversion device includes a main oil container having an inlet for supplementing hydraulic oil, a pair of hydraulic pumps connected to the main oil container, a motor drivingly connected with the hydraulic pumps, a twin-circuitry hydraulic cylinder mechanism including a first hydraulic cylinder, a first piston, a piston rod, a sealer, a second piston, a high pressure leakage proof packing and a second hydraulic cylinder, the first hydraulic cylinder having same length as the second hydraulic cylinder but having a smaller diameter than the second hydraulic cylinder, the first hydraulic cylinder being connected with the second hydraulic cylinder by screws, the sealer being fitted between the first and second hydraulic cylinders to form two regions, the second hydraulic cylinder having an inlet provided with a first check valve only allowing hydraulic oil to flow into the second hydraulic cylinder and an outlet provided with a second check valve only allowing hydraulic oil to flow out of the s
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: June 27, 2000
    Inventor: Tien-Lung Hsu