Patent · US Expired

Throttle flap construction for an exhaust gas duct of an internal combustion engine

US5342019A · kind A · utility

11Cited by

4References

5Claims

0Family size

Assignee

MTU Motoren-und Turbinen-Union Friedrichshafen GmbH · DE

Inventors

Hermann Braun · Eislingen/Fils, DE
Georg Ruetz · Markdorf, DE

Key dates

Filing date	Aug 27, 1993
Grant date	Aug 30, 1994
Priority date	—
Expiry date	Aug 27, 2013

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/6048
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A throttle flap construction (12) is installed in an exhaust gas duct (11). For the installation the duct wall is provided with a radially facing, axially extending narrow slot (20) centrally provided with a circular opening so that a flap disk (14) may pass radially inwardly through the slot while a bearing portion (17) of the flap disk (14) may pass through the central circular opening. During installation, the flap disk (14) extends vertically when the throttle unit is inserted, a cover (16) is bolted to a flange (11A) surrounding the slot (20) and the central opening (21). Thus, the duct (11) can be properly sealed without cutting entirely through the duct in a radial plane.

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