Switching drum seal

Details Switching drum seal Switching drum seal

2006-11-29

2009-02-03

Kamen, Noah (Department: 3747)

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

C123S190170

Reexamination Certificate

active

07484490

ABSTRACT:
A switching drum seal (1) for a switching drum (11) for sealing an intake pipe in an intake manifold system of a multi-cylinder internal combustion engine, having two spaced-apart, circumferentially extending circumferential sealing sections (2) with circumferential sealing surfaces (3) and two spaced-apart, axially extending axial sealing sections (4) with axial sealing surfaces (5) and having at least one resilient element (7) to impart resilience to at least one circumferential sealing section (2) perpendicular to its circumferential sealing surface. The resilient element (7) extends in a region between the switching drum (11) and one of the circumferential sections (2) and is supported on the switching drum (11).

REFERENCES:
patent: 6138628 (2000-10-01), Alex et al.
patent: 6588389 (2003-07-01), Jessberger et al.
patent: 197 12 680 (1998-10-01), None
patent: 199 44 108 (2001-03-01), None

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