1998-02-23

Sealing Systems for Composite Intake Manifolds 980576

The flange interfaces of composite intake manifolds can be successfully sealed using homogeneous press-in-place gaskets, but it is essential for a smooth program launch that a team approach is used. Press-in-place gaskets provide:
  • Accommodation for the variation inherent in large composite moldings
  • Effective sealing under a broad range of conditions
  • An economical sealing system
  • The ability for the OEM to receive a manifold preassembled with gaskets
Figure 1 shows a typical arrangement of such a gasket.
The following list outlines the topics covered in this paper:
  1. 1.
    Introduction
  2. 2.
    Intake manifold sealing requirements
  3. 3.
    Challenges unique to composite manifolds
  4. 4.
    Press-in-place gaskets
  5. 5.
    Material selection
  6. 6.
    Design verification
  7. 7.
    EGR tube sealing

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