exhaust throttle valve

German translation: Auspuff-Drosselklappe

English term or phrase:exhaust throttle valve
German translation:Auspuff-Drosselklappe
Entered by: Heike Holthaus

14:48 Dec 13, 2018
English to German translations [PRO]
Tech/Engineering - Automotive / Cars & Trucks / Diesel engine
English term or phrase: exhaust throttle valve
Exhaust flap (Section title)
Exhaust throttle valve is used for exhaust thermal management
Position is defined by a characteristic mapping
Exhaust gas temperature must be at least 200° C, in order to have enough ammonia available
Exhaust throttle valve can be used at the same time as the engine brake valve (depends on machine)

The next section is about SCR function

The Fig. shows the exhaust flap attached to some "control unit"

Wikipedia under "throttle" points to EGR: The power output of a diesel engine is controlled by regulating the quantity of fuel that is injected into the cylinder. Because diesel engines do not need to control air volumes, they usually lack a butterfly valve in the intake tract. An exception to this generalization is newer diesel engines meeting stricter emissions standards, where such a valve is used to generate intake manifold vacuum, thereby allowing the introduction of exhaust gas (see EGR) to lower combustion temperatures and thereby minimize NOx production.

However the EGR valve does not at all look like what is shown under the heading "Exhaust Flap"

Under "Abgassdrosselventil" oder "Abgas-Drosselventil" Google returns a lot of patents and pointers to AGR.

So, what is the correct technical term for this valve in German? Is it the EGR valve we are talking about?
Heike Holthaus
United States
Local time: 07:35
Steuert die Abgastemperatur, dient auch als Motorbremse.
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Local time: 13:35
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1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5

Steuert die Abgastemperatur, dient auch als Motorbremse.

Example sentence(s):
  • Mit Auspuff-Drosselklappe erreicht der Motor bei 2100 1/min eine Bremsleistung von etwa 100 kW

Local time: 13:35
Specializes in field
Native speaker of: Native in GermanGerman
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