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1. US20180195432 - EXHAUST-GAS TURBOCHARGER HAVING A WASTEGATE DEVICE

Office United States of America
Application Number 15738402
Application Date 02.06.2016
Publication Number 20180195432
Publication Date 12.07.2018
Publication Kind A1
IPC
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
B
INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
37
Engines characterised by provision of pumps driven at least for part of the time by exhaust
12
Control of the pumps
18
by bypassing exhaust
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
D
NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
17
Regulating or controlling by varying flow
10
Final actuators
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
1
Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
16
with pivoted closure members
18
with pivoted discs or flaps
20
with axis of rotation arranged externally of valve member
F02B 37/18
F01D 17/10
F16K 1/20
CPC
F01D 17/105
F02B 37/186
F05D 2220/40
F16K 1/2014
Applicants CONTINENTAL AUTOMOTIVE GMBH
Inventors Christoph Sparrer
Georg Mehne
Priority Data 10 2015 212 381.2 02.07.2015 DE
Title
(EN) EXHAUST-GAS TURBOCHARGER HAVING A WASTEGATE DEVICE
Abstract
(EN)

The invention relates to an exhaust-gas turbocharger for an internal combustion engine (1), having a turbine (2), having a compressor wheel (4), which is connected to said turbine by means of a shaft, and having a wastegate device (8), which wastegate device has a wastegate actuator (5), has a wastegate drive shaft (7) rotatable about an axis of rotation (6), and has a flap (20a, 20b, 20c, 20d, 20e, 20f, 20g) which is fastened to said drive shaft and which is pivotable about the axis of rotation and which has a covering surface (9) for potentially opening up and closing off a wastegate opening (10a), wherein the wastegate flap and the wastegate opening (10a) that can be closed off by means of said wastegate flap are designed in such a way that the distance between the center of area (11, 1a) of the covering surface (9), which covers the wastegate opening, of the wastegate flap and the axis of rotation (6) is smaller than the radius of a circular surface of equal surface area.