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PT80142A - Operating exhaust turbocharged valved IC engine - by advancing exhaust valve opening with reducing engine load or speed to maintain charge air pressure above predetermined level - Google Patents

Operating exhaust turbocharged valved IC engine - by advancing exhaust valve opening with reducing engine load or speed to maintain charge air pressure above predetermined level

Info

Publication number
PT80142A
PT80142A PT8014285A PT8014285A PT80142A PT 80142 A PT80142 A PT 80142A PT 8014285 A PT8014285 A PT 8014285A PT 8014285 A PT8014285 A PT 8014285A PT 80142 A PT80142 A PT 80142A
Authority
PT
Portugal
Prior art keywords
engine
charge air
speed
valved
air pressure
Prior art date
Application number
PT8014285A
Other languages
German (de)
Portuguese (pt)
Other versions
PT80142B (en
Original Assignee
Audi Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Audi Ag filed Critical Audi Ag
Priority to PT8014285A priority Critical patent/PT80142B/en
Publication of PT80142A publication Critical patent/PT80142A/en
Publication of PT80142B publication Critical patent/PT80142B/en

Links

Classifications

    • Y02T10/144—

Landscapes

  • Supercharger (AREA)

Abstract

The method is intended for controlling the output of the exhaust-driven turbocharger of an i.c. engine (2) with inlet and exhaust valves. This is effected by advancing the opening times of the exhaust valves, e.g. with reducing engine load (alpha) or engine speed (n), pref. such that the pressure in the charge air line does not drop below a pre-determined level (P). For an engine with inlet and exhaust valves actuated via cam shafts (24,22), the rotational position of a shaft may be varied (54; 50,52, control 68) relative to the former (24).
PT8014285A 1985-03-21 1985-03-21 A process for controlling the power of an exhaust gas driven turbocharger feeding an internal combustion engine controlled by means of valves PT80142B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT8014285A PT80142B (en) 1985-03-21 1985-03-21 A process for controlling the power of an exhaust gas driven turbocharger feeding an internal combustion engine controlled by means of valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT8014285A PT80142B (en) 1985-03-21 1985-03-21 A process for controlling the power of an exhaust gas driven turbocharger feeding an internal combustion engine controlled by means of valves

Publications (2)

Publication Number Publication Date
PT80142A true PT80142A (en) 1985-04-01
PT80142B PT80142B (en) 1987-05-29

Family

ID=20083637

Family Applications (1)

Application Number Title Priority Date Filing Date
PT8014285A PT80142B (en) 1985-03-21 1985-03-21 A process for controlling the power of an exhaust gas driven turbocharger feeding an internal combustion engine controlled by means of valves

Country Status (1)

Country Link
PT (1) PT80142B (en)

Also Published As

Publication number Publication date
PT80142B (en) 1987-05-29

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Legal Events

Date Code Title Description
MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19940430