Patent · US Active

Valve control system with malfunction detection

US8256391B2 · kind B2 · utility

0Cited by

1References

5Claims

0Family size

Assignee

VALEO SYSTEMES DE CONTROLE MOTEUR · FR

Inventors

Nicolas Gelez · Le Pecq, FR
Boris Bouchez · Drammen, NO

Key dates

Filing date	Sep 19, 2007
Grant date	Sep 4, 2012
Priority date	—
Expiry date	Mar 20, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/40
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a valve control system for an engine including at least one cylinder (1, 2, 3, 4) with valves (5, 6), wherein said system comprises valve electromagnetic actuation members (7, 9, 10) associated with a management unit (11, 15) that controls the actuation members, said system comprising a member (11, 12, 13) for detecting a malfunction of the actuation members and a member (11, 12, 13) for electrically insulating the faulty actuation member.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.