Turbocharger With An Annular Rotary Bypass Valve

A turbocharger includes an annular bypass passage with an annular bypass valve (70) disposed therein. The bypass valve includes a fixed annular valve seat (72) and a rotary annular valve member (74) disposed against the valve seat. The valve member (74) is rotatable about the axis for varying a degr...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	VALERIE BRIBANT, ALAIN LOMBARD, ANTOINE COSTEUX
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A turbocharger includes an annular bypass passage with an annular bypass valve (70) disposed therein. The bypass valve includes a fixed annular valve seat (72) and a rotary annular valve member (74) disposed against the valve seat. The valve member (74) is rotatable about the axis for varying a degree of alignment between orifices (75) in the valve seat (72) and valve member (74) so as to form flow passages having a flow area A for exhaust gas. The orifices (75) are shaped to provide a first phase of evolution of the flow area A from zero up to a value A 1 and then a second phase of evolution from the value A 1 up to a value A 2 , and such that the first and second phases have distinctly different slopes on a curve of flow area versus rotational position of the valve member (74), with a distinct break point in the curve between the first and second phases.