Exhaust pulse control unit

Details Exhaust pulse control unit Exhaust pulse control unit

2005-01-11

2005-01-11

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Pulsed, timed, tuned or resonating exhaust

C060S282000, C060S322000

Reexamination Certificate

active

06840037

ABSTRACT:
An exhaust pulse control unit (10) for increasing exhaust manifold vacuum in an engine comprises an inlet (11), an outlet (12) and an intermediate containment zone (13). An exhaust pulse capture and expansion zone (14) is located between the inlet and intermediate zone and a merging zone (17) between the intermediate zone and the outlet. The capture and expansion zone may consist of two stages with the first stage providing a relatively rapid increase in exhaust gas volume.

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