Patents by Inventor Litcho Datzov

Litcho Datzov 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).

  • Ferroresonant transformer systems and methods
    Patent number: 11322974
    Abstract: A ferroresonant transformer assembly comprising, a core, a main shunt, first, second, and third windings, first and second tap connectors, and a selection connector. The first windings configured to be operatively connected to a primary power source. The first tap connector operatively connected to a first intermediate point defined by the third windings. The second tap connector operatively connected to a second intermediate point defined by the third windings. The selection connector operatively connected to the at least one load. Based on voltage requirements of the at least one load, the selection connector is operatively selectively connected to a selected tap connector selected from the first and second tap connectors.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: May 3, 2022
    Assignee: Alpha Technologies Services, Inc.
    Inventors: Thanh Le, James Richardson, Litcho Datzov
  • Ferroresonant Transformer Systems and Methods
    Publication number: 20210036546
    Abstract: A ferroresonant transformer assembly comprising, a core, a main shunt, first, second, and third windings, first and second tap connectors, and a selection connector. The first windings configured to be operatively connected to a primary power source. The first tap connector operatively connected to a first intermediate point defined by the third windings. The second tap connector operatively connected to a second intermediate point defined by the third windings. The selection connector operatively connected to the at least one load. Based on voltage requirements of the at least one load, the selection connector is operatively selectively connected to a selected tap connector selected from the first and second tap connectors.
    Type: Application
    Filed: October 20, 2020
    Publication date: February 4, 2021
    Inventors: Thanh Le, James Richardson, Litcho Datzov
  • Ferroresonant transformer for use in uninterruptible power supplies
    Patent number: 10819144
    Abstract: A ferroresonant transformer assembly, which is adapted to be connected to a primary power source, an inverter system, a resonant capacitor, and at least one load, comprises a core, a main shunt, and first, second, and third windings. The main shunt is arranged to define a primary side and a secondary side of the ferroresonant transformer. The first windings are arranged on the primary side of the ferroresonant transformer and are configured to be operatively connected to the primary power source. The second windings are arranged on the secondary side of the ferroresonant transformer and are configured to be operatively connected to the inverter system. The third windings arranged on the secondary side of the ferroresonant transformer and are configured to be selectively operatively connected to or disconnected from the resonant capacitor.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: October 27, 2020
    Assignee: ALPHA TECHNOLOGIES SERVICES, INC.
    Inventors: Thanh Le, James Richardson, Litcho Datzov
  • Ferroresonant Transformer for Use in Uninterruptible Power Supplies
    Publication number: 20170229906
    Abstract: A ferroresonant transformer assembly, which is adapted to be connected to a primary power source, an inverter system, a resonant capacitor, and at least one load, comprises a core, a main shunt, and first, second, and third windings. The main shunt is arranged to define a primary side and a secondary side of the ferroresonant transformer. The first windings are arranged on the primary side of the ferroresonant transformer and are configured to be operatively connected to the primary power source. The second windings are arranged on the secondary side of the ferroresonant transformer and are configured to be operatively connected to the inverter system. The third windings arranged on the secondary side of the ferroresonant transformer and are configured to be selectively operatively connected to or disconnected from the resonant capacitor.
    Type: Application
    Filed: April 24, 2017
    Publication date: August 10, 2017
    Inventors: Thanh Le, James Richardson, Litcho Datzov
  • Ferroresonant transformer for use in uninterruptible power supplies
    Patent number: 9633781
    Abstract: A ferroresonant transformer is adapted to be connected to a primary power source, an inverter system, and a resonant capacitor. The ferroresonant transformer comprises a core, a main shunt arranged to define a primary side and a secondary side of the ferroresonant transformer, first windings arranged on the primary side of the ferroresonant transformer, second windings arranged on the secondary side of the ferroresonant transformer, and third windings arranged on the secondary side of the ferroresonant transformer. The first windings are operatively connected to the primary power source.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: April 25, 2017
    Assignee: Alpha Technologies Inc.
    Inventors: Thanh Le, James Richardson, Litcho Datzov
  • Ferroresonant Transformer for Use in Uninterruptible Power Supplies
    Publication number: 20140062189
    Abstract: A ferroresonant transformer is adapted to be connected to a primary power source, an inverter system, and a resonant capacitor. The ferroresonant transformer comprises a core, a main shunt arranged to define a primary side and a secondary side of the ferroresonant transformer, first windings arranged on the primary side of the ferroresonant transformer, second windings arranged on the secondary side of the ferroresonant transformer, and third windings arranged on the secondary side of the ferroresonant transformer. The first windings are operatively connected to the primary power source.
    Type: Application
    Filed: November 4, 2013
    Publication date: March 6, 2014
    Applicant: Alpha Technologies Inc.
    Inventors: Thanh Le, James Richardson, Litcho Datzov
  • Ferroresonant transformer for use in uninterruptible power supplies
    Patent number: 8575779
    Abstract: A ferroresonant transformer comprises a core, a main shunt, first windings, second windings, and third windings. The main shunt arranged relative to the core to define a primary side and a secondary side of the ferroresonant transformer. The first windings are arranged on the primary side of the ferroresonant transformer and are operatively connected to the primary power source. The second windings are arranged on the secondary side of the ferroresonant transformer and are operatively connected to the secondary power source. The third windings are arranged on the secondary side of the ferroresonant transformer and are operatively connected to the resonant capacitor. When a primary signal is present on the first windings, a first output signal is present on at least a portion of the third windings. When a secondary power is present on the second windings, a second output signal is present on at least a portion of the third windings.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: November 5, 2013
    Assignee: Alpha Technologies Inc.
    Inventors: Thanh Le, James Richardson, Litcho Datzov
  • Ferroresonant transformer for use in uninterruptible power supplies
    Publication number: 20110198932
    Abstract: A ferroresonant transformer comprises a core, a main shunt, first windings, second windings, and third windings. The main shunt arranged relative to the core to define a primary side and a secondary side of the ferroresonant transformer. The first windings are arranged on the primary side of the ferroresonant transformer and are operatively connected to the primary power source. The second windings are arranged on the secondary side of the ferroresonant transformer and are operatively connected to the secondary power source. The third windings are arranged on the secondary side of the ferroresonant transformer and are operatively connected to the resonant capacitor. When a primary signal is present on the first windings, a first output signal is present on at least a portion of the third windings. When a secondary power is present on the second windings, a second output signal is present on at least a portion of the third windings.
    Type: Application
    Filed: July 7, 2010
    Publication date: August 18, 2011
    Applicant: Alpha Technologies Inc.
    Inventors: Thanh Le, James Richardson, Litcho Datzov