Butterfly valve body

US6352241B1 · kind B1 · utility

Assignee

• Mannesmann VDO AG · DE

Inventors

• Thomas Hannewald · Griesheim, DE
• Armin Seeger · Bad Soden, DE
• Wilhelm Bock · Bad Hersfeld, DE

Key dates

• Filing date: Sep 8, 2000
• Grant date: Mar 5, 2002
• Expiry date: Sep 8, 2020

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05C2201/021
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A throttle body (1) which has a throttle housing (2) made of plastic, a throttle butterfly (5) being pivotably mounted in a conduit section (3) of the throttle housing (2), wherein, a metal cylinder (12) is provided in the conduit section (3) over at least part of the pivoting range of the throttle butterfly (5).