Patents by Inventor Shu-Chen Tsui

Shu-Chen Tsui 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).

  • Support assembly for a motor shaft of a centrifugal submersible pump
    Patent number: 6561697
    Abstract: A support assembly has two support devices. Each support device has a base, a bearing seat with a thrust bearing and a thrust journal. The two support devices can support the shaft together. The force applied to the structure of each support device is reduced, and the friction between each thrust journal and the corresponding thrust bearing is also reduced. The useful life of the support assembly is prolonged.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: May 13, 2003
    Assignee: Sea Chung Electric Co., Ltd.
    Inventor: Shu-Chen Tsui
  • SPIRAL FLUTED WHEEL FOR A WATER PUMP
    Publication number: 20030021688
    Abstract: A spiral fluted wheel for a water pump is composed of a first plate (10), a second plate (20) corresponding to the first plate (10), and a plurality of spiral impellers (30) sandwiched between the first plate (10) and the second plate (20). Each spiral impeller (30) has planned complementary flanges so as to combine with adjacent spiral impellers (30) easily and precisely.
    Type: Application
    Filed: July 25, 2001
    Publication date: January 30, 2003
    Applicant: Sea Chung Electric Co., Ltd.
    Inventor: Shu-Chen Tsui
  • Spiral fluted wheel for a water pump
    Patent number: 6503057
    Abstract: A spiral fluted wheel for a water pump is composed of a first plate (10), a second plate (20) corresponding to the first plate (10), and a plurality of spiral impellers (30) sandwiched between the first plate (10) and the second plate (20). Each spiral impeller (30) has planned complementary flanges so as to combine with adjacent spiral impellers (30) easily and precisely.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: January 7, 2003
    Assignee: Sea-Chung Electric Co., Ltd.
    Inventor: Shu-Chen Tsui
  • Spiral fluted wheel for a pump
    Publication number: 20030002985
    Abstract: A spiral fluted wheel (10) for a pump is composed of a first plate (11), a second plate (12) corresponding to the first plate (11), and a plurality of spiral blades sandwiched between the first plate (11) and the second plate (12). The plurality of spiral blades are combined easily and each has a large welding area corresponding to the first plate (11) and the second plate (12) so as to make the wheel have excellent endurance and precision in structure.
    Type: Application
    Filed: July 2, 2001
    Publication date: January 2, 2003
    Inventor: Shu-Chen Tsui
  • Support assembly for a motor shaft of a centrifugal submersible pump
    Publication number: 20020196988
    Abstract: A support assembly has two support devices. Each support device has a base, a bearing seat with a thrust bearing and a thrust journal. The two support devices can support the shaft together. The force applied to the structure of each support device is reduced, and the friction between each thrust journal and the corresponding thrust bearing is also reduced. The useful life of the support assembly is prolonged.
    Type: Application
    Filed: June 25, 2001
    Publication date: December 26, 2002
    Inventor: Shu-Chen Tsui