Patents by Inventor Lake ZHAO

Lake ZHAO 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).

  • Circumferential arrangement of stator winding end leads
    Patent number: 12249885
    Abstract: A stator for a rotating electrical machine is disclosed, the stator comprising a stator core (16) comprising stator slots and a plurality of stator coils. The stator coils comprise side windings (17) located in the stator slots, end windings (18) which extend out of the stator slots, and end leads (28) for connecting the stator coils. The end leads (28) run circumferentially around a radially outwards side of the end windings (18). A spacer (34) may be provided to space the end leads from each other and from the end windings. This may help to improve cooling, help to improve electrical separation, and may be more efficient in terms of space requirements and ease of manufacture than previous arrangements.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: March 11, 2025
    Assignee: Cummins Generator Technologies Limited
    Inventors: Yogesh Wani, Peethamparam Anpalahan, Darren Camilleri, Narasimha Saraswati, Hu Guoqing, Lake Zhao
  • STATOR WINDING ARRANGEMENT
    Publication number: 20220014064
    Abstract: A stator for a rotating electrical machine is disclosed, the stator comprising a stator core (16) comprising stator slots and a plurality of stator coils. The stator coils comprise side windings (17) located in the stator slots, end windings (18) which extend out of the stator slots, and end leads (28) for connecting the stator coils. The end leads (28) run circumferentially around a radially outwards side of the end windings (18). A spacer (34) may be provided to space the end leads from each other and from the end windings. This may help to improve cooling, help to improve electrical separation, and may be more efficient in terms of space requirements and ease of manufacture than previous arrangements.
    Type: Application
    Filed: October 14, 2019
    Publication date: January 13, 2022
    Inventors: Yogesh WANI, Peethamparam ANPALAHAN, Darren CAMILLERI, Narasimha SARASWATI, Hu GUOQING, Lake ZHAO