Systems and methods for counter flow management and valve motion sequencing in enhanced engine braking

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11542877
APP PUB NO 20190040802A1
SERIAL NO

16054701

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Abstract

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Systems and methods for managing excessive intake flow path pressure and counter flow are implemented to support enhanced engine braking applications, such as 2-stroke or 1.5-stroke engine braking implementations where the intake flow path may be exposed to excessive transient pressures in the combustion chamber during activation or deactivation of an engine brake. Intake throttle, exhaust gas recirculation (EGR) valve, intake manifold blow-off valve, compressor bypass valve, exhaust throttle, turbocharger geometry or turbocharger waste gate may be controlled to effectuate counter flow management separately or in combination. Excessive transient conditions may also be prevented or managed by sequential valve motion in which brake motion activation occurs first and then exhaust valve main event deactivation occurs second. Delay between brake activation and main event deactivation may be facilitated using mechanical and/or hydraulic implements as well as electronically.

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Patent Owner(s)

Patent OwnerAddress
JACOBS VEHICLE SYSTEMS INC22 EAST DUDLEY TOWN ROAD BLOOMFIELD CT 06002

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alexandru, Matei Longmeadow, US 13 29
Baltrucki, Justin D Canton, US 35 74
Lilly, Ryan Manchester, US 4 9

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