Patents by Inventor Gregor Dünnwald

Gregor Dünnwald 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).

  • Device for controlling a flow rate and expanding a fluid in a fluid circuit and method for operating the device
    Patent number: 12270483
    Abstract: A device for controlling a flow rate and expanding a fluid in a fluid circuit. The device is formed with an enclosure and a valve element arranged inside the enclosure. The valve element which is arranged movably in a linear movement in the direction of a longitudinal axis relative to the enclosure has a sealing surface and a control area formed at a first end face of the valve element and arranged adjacent to the sealing surface in the axial direction. The sealing surface is formed as a lateral surface of a straight circular cylinder with a constant outer diameter. An outer diameter of a surface of the control area corresponds to the outer diameter of the sealing surface. The control area has throughflow apertures and at least one control aperture. The valve element in the control area is formed with a substantially hollow circular cylindrical-shaped wall.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: April 8, 2025
    Assignee: HANON SYSTEMS
    Inventors: Carsten Ohrem, Daniel Zens, Gregor Dünnwald
  • DEVICE FOR CONTROLLING A FLOW RATE AND EXPANDING A FLUID IN A FLUID CIRCUIT AND METHOD FOR OPERATING THE DEVICE
    Publication number: 20220403941
    Abstract: A device for controlling a flow rate and expanding a fluid in a fluid circuit. The device is formed with an enclosure and a valve element arranged inside the enclosure. The valve element which is arranged movably in a linear movement in the direction of a longitudinal axis relative to the enclosure has a sealing surface and a control area formed at a first end face of the valve element and arranged adjacent to the sealing surface in the axial direction. The sealing surface is formed as a lateral surface of a straight circular cylinder with a constant outer diameter. An outer diameter of a surface of the control area corresponds to the outer diameter of the sealing surface. The control area has throughflow apertures and at least one control aperture. The valve element in the control area is formed with a substantially hollow circular cylindrical-shaped wall.
    Type: Application
    Filed: November 12, 2020
    Publication date: December 22, 2022
    Inventors: Carsten Ohrem, Daniel Zens, Gregor Dünnwald