Patents by Inventor Sebastian Le Mer

Sebastian Le Mer 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).

  • Combined service brake and spring type brake cylinder having internal ventilation
    Patent number: 7845474
    Abstract: A combined service brake and spring brake cylinder has a diaphragm arranged in a housing of the service brake cylinder. At one side, the diaphragm delimits a service brake chamber acted on with a service brake pressure, and at the other side delimits a chamber accommodating a return spring. A spring brake piston is arranged in a housing of the spring brake cylinder, which at one side delimits a spring brake chamber and at the other side delimits a spring chamber. A piston rod supports a ventilation valve which produces or blocks a flow connection between the spring chamber and the service brake chamber. The ventilation valve includes a piston interacting with a valve seat. At least one further piston interacts with a further valve seat and opens at least one further flow cross-section when in its position raised from the further valve seat.
    Type: Grant
    Filed: July 27, 2006
    Date of Patent: December 7, 2010
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Antony Schodrowski, Sebastian Le Mer
  • Combined Service Brake And Spring Type Brake Cylinder Having Internal Ventilation
    Publication number: 20100007201
    Abstract: A combined service brake and spring brake cylinder has a diaphragm arranged in a housing of the service brake cylinder. At one side, the diaphragm delimits a service brake chamber acted on with a service brake pressure, and at the other side delimits a chamber accommodating a return spring. A spring brake piston is arranged in a housing of the spring brake cylinder, which at one side delimits a spring brake chamber and at the other side delimits a spring chamber. A piston rod supports a ventilation valve which produces or blocks a flow connection between the spring chamber and the service brake chamber. The ventilation valve includes a piston interacting with a valve seat. At least one further piston interacts with a further valve seat and opens at least one further flow cross-section when in its position raised from the further valve seat.
    Type: Application
    Filed: July 27, 2006
    Publication date: January 14, 2010
    Inventors: Antony Schodrowski, Sébastian Le Mer