Transition control for multiple displacement engine

Details Transition control for multiple displacement engine Transition control for multiple displacement engine

2006-04-04

2006-04-04

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

Reexamination Certificate

active

07021273

ABSTRACT:
A process for enabling cylinder deactivation in a multiple displacement engine involving oil aeration includes detecting engine speed. Once the engine speed has been determined, a delay period is established prior to enabling cylinder deactivation. The delay period is a function of whether engine speed exceeds a preselected threshold and an amount by which the threshold is exceeded. When the delay period expires, a request is generated for cylinder deactivation.

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