Patents Assigned to Dr. Alois Stankiewica GmbH
  • Motor vehicle noise insulation
    Patent number: 4655496
    Abstract: A partition (4) for separating the engine compartment (2) from the passenger compartment (3) of a motor vehicle comprises a wall (5) and a covering (6) of noise-insulating material on the engine compartment side of the wall. The partition (4) has convex or concave deformations (8, 9, 11) in one or several areas of the high noise occurrence.
    Type: Grant
    Filed: November 4, 1985
    Date of Patent: April 7, 1987
    Assignee: Dr. Alois Stankiewica GmbH
    Inventors: Heinemann Gahlau, Klaus Wittenmayer, Manfred Laubner, Herbert Baumeister