Passively variable plenum volume for a vehicle intake...

Details Passively variable plenum volume for a vehicle intake... Passively variable plenum volume for a vehicle intake...

2007-10-16

2007-10-16

Miller, Carl S. (Department: 3747)

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

C123S184210

Reexamination Certificate

active

10601450

ABSTRACT:
An intake manifold assembly (10) includes a plenum (14) and a variable volume assembly (20). The variable volume assembly (20) includes a deformable member (22) and a biasing member (24). The biasing member (24) positions the deformable member (22) at a predetermined position in response to a vacuum pressure within the plenum (14) to define a volume within the deformable member (22) to change the operational characteristics of the intake manifold assembly (10).

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