Patents by Inventor Anton Stefanic

Anton Stefanic 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).

  • Patent number: 11788644
    Abstract: A proportional valve is provided that comprises an input port (3) and an output port (5), with a diaphragm (19) therebetween. A diaphragm plate (21) with a pilot orifice (31) formed therethrough is mounted to the diaphragm (19). The valve has a solenoid (7) comprising an armature (15) and a field winding (17), with the armature being movable in an opening direction in response to a magnetic field generated by the field winding. A spring assembly (13) is arranged to provide a biassing force to the armature (15) in its closing direction. In its closed position, the diaphragm plate (21) sits in a main orifice (20) between the input and output ports to block flow of fluid therebetween, with the armature (15) blocking the pilot orifice (31). Opening movement of the armature (15) opens the pilot orifice (31) to allow fluid to flow therethrough, in turn allowing the diaphragm plate (21) to move out of the main orifice (20) to create a gap allowing flow of fluid from the input port (3) to the output port (5).
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: October 17, 2023
    Assignees: Hydralectric Group Ltd, EKI D.O.O.
    Inventors: Michael Quinn, Anton Stefanic
  • Publication number: 20170363224
    Abstract: A proportional valve is provided that comprises an input port (3) and an output port (5), with a diaphragm (19) therebetween. A diaphragm plate (21) with a pilot orifice (31) formed therethrough is mounted to the diaphragm (19). The valve has a solenoid (7) comprising an armature (15) and a field winding (17), with the armature being movable in an opening direction in response to a magnetic field generated by the field winding. A spring assembly (13) is arranged to provide a biassing force to the armature (15) in its closing direction. In its closed position, the diaphragm plate (21) sits in a main orifice (20) between the input and output ports to block flow of fluid therebetween, with the armature (15) blocking the pilot orifice (31). Opening movement of the armature (15) opens the pilot orifice (31) to allow fluid to flow therethrough, in turn allowing the diaphragm plate (21) to move out of the main orifice (20) to create a gap allowing flow of fluid from the input port (3) to the output port (5).
    Type: Application
    Filed: December 2, 2015
    Publication date: December 21, 2017
    Inventors: Michael Quinn, Anton Stefanic