Patents by Inventor Benno Wenk

Benno Wenk 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: 6910744
    Abstract: The invention relates to a control device for compressed-air brakes having a control valve, comprising a housing, a piston rod, a piston, a second piston, a double-seat valve, having a control element, having a supply air reservoir, having a control chamber, having a main air pipe; one side of the piston being connected in a compressed-air carrying manner with the main air pipe; the other side of the piston being connected in a compressed-air carrying manner with the control chamber; one side of the second piston having a compressed-air connection to a brake cylinder or a brake cylinder pilot chamber; the double-seat valve being connected between a compressed-air connection of the supply air reservoir and the compressed-air connection to the brake cylinder or to the brake cylinder pilot chamber.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: June 28, 2005
    Assignee: Knorr-Bremse Systeme für Schienenfahrzeuge GmbH
    Inventors: Martin Heller, Benno Wenk, Stefan Sonntag
  • Patent number: 6846048
    Abstract: The invention relates to a pneumatic operating unit for compressed air brakes including a housing having at least one exterior compressed air connection device and at least one air-carrying connection. The operating unit further includes at least one piston, at least one piston rod, at least one valve body, at least one valve seat and at least one cylinder body fitted into the housing. The at least one cylinder body has at least one transverse connection and includes one or more of the at least one piston, valve seat and body. The at least one cylinder body also includes a seal in an axial direction between two transverse connections with respect to the housing so that the transverse connections are sealed off with respect to one another.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: January 25, 2005
    Assignee: Knorr-Bremse Systeme für Schienenfahrzeuge GmbH
    Inventors: Martin Heller, Benno Wenk, Stefan Sonntag
  • Publication number: 20030075977
    Abstract: The invention relates to a pneumatic operating unit for compressed-air brakes, having a housing, having at least one piston, having at least one piston rod, having at least one valve body, having at least one valve seat, that housing having at least one exterior compressed-air connection device.
    Type: Application
    Filed: August 9, 2002
    Publication date: April 24, 2003
    Applicant: Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH
    Inventors: Martin Heller, Benno Wenk, Stefan Sonntag
  • Publication number: 20030038540
    Abstract: The invention relates to a control device for compressed-air brakes having a control valve, comprising a housing, a piston rod, a piston, a second piston, a double-seat valve, having a control element, having a supply air reservoir, having a control chamber, having a main air pipe; one side of the piston being connected in a compressed-air carrying manner with the main air pipe; the other side of the piston being connected in a compressed-air carrying manner with the control chamber; one side of the second piston having a compressed-air connection to a brake cylinder or a brake cylinder pilot chamber; the double-seat valve being connected between a compressed-air connection of the supply air reservoir and the compressed-air connection to the brake cylinder or to the brake cylinder pilot chamber.
    Type: Application
    Filed: August 9, 2002
    Publication date: February 27, 2003
    Applicant: Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH
    Inventors: Martin Heller, Benno Wenk