Flap device and intake system

US9267472B2 · kind B2 · utility

Assignee

• Mahle International GmbH · DE

Inventors

• Marc-Thomas Eisele · Stuttgart, DE
• Ivano Morgillo · Rottenburg am Neckar, DE

Key dates

• Filing date: Jun 16, 2014
• Grant date: Feb 23, 2016
• Expiry date: Jun 16, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A valve device for an intake system of an internal combustion engine may include a housing and a flap arrangement. The housing may have one inlet duct per cylinder of the internal combustion engine. The flap arrangement may have a flap for each inlet duct for varying the cross-section of the respective inlet duct through which a flow can pass. The respective flap may be a trough-shaped flap having a curved stirrup region. The respective flap may be arranged between the stirrup ends eccentrically with respect to a flap pivot axis. The flap arrangement may have a common actuating shaft for the common pivoting of the flaps about the flap pivot axis. The actuating shaft may be coupled with an adjusting drive via a lever element having a metallic insert and a plastic body injected onto the insert.