EP1303683B2 - Turbokompressor mit verstellbaren leitschaufeln und schneckengehäuse/einlauf aus blech - Google Patents

Turbokompressor mit verstellbaren leitschaufeln und schneckengehäuse/einlauf aus blech Download PDF

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Publication number
EP1303683B2
EP1303683B2 EP00953257A EP00953257A EP1303683B2 EP 1303683 B2 EP1303683 B2 EP 1303683B2 EP 00953257 A EP00953257 A EP 00953257A EP 00953257 A EP00953257 A EP 00953257A EP 1303683 B2 EP1303683 B2 EP 1303683B2
Authority
EP
European Patent Office
Prior art keywords
casing
nozzle
cartridge
exhaust
central
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP00953257A
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English (en)
French (fr)
Other versions
EP1303683A1 (de
EP1303683B1 (de
Inventor
Giorgio Figura
Denis AlliedSignal Turbo SA JECKEL
Eric AlliedSignal Turbo SA DECHANET
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
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
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Application filed by Honeywell International Inc filed Critical Honeywell International Inc
Publication of EP1303683A1 publication Critical patent/EP1303683A1/de
Application granted granted Critical
Publication of EP1303683B1 publication Critical patent/EP1303683B1/de
Publication of EP1303683B2 publication Critical patent/EP1303683B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/165—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for radial flow, i.e. the vanes turning around axes which are essentially parallel to the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/026—Scrolls for radial machines or engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/40—Application in turbochargers

Definitions

  • the present invention generally relates to the field of turbochargers having variable turbine inlet geometries according to claim 1.
  • the present invention more particularly provides a structural arrangement for a variable inlet blade support independent of the turbine housing.
  • turbochargers have significantly increased the overall efficiency and capabilities of turbochargers
  • complexity of support and actuation structures for the blades has increased manufacturing costs and occasionally created maintenance issues.
  • connection of the blade support structure to the turbine housing limits the design and structure flexibility of the turbine housing.
  • Turbine casings are a sensitive thermal load that can affect the performance of emission systems in automotive applications.
  • integration of turbine casings in the exhaust manifold can produce a reduction in the number of parts and the complexity for an automotive turbocharger installation. It is therefore desirable to provide variable nozzle structural support arrangements independent of the turbine housing to improve actuation systems to increase reliability and lower manufacturing costs for the turbochargers that use them.
  • the object of the present invention is the provision of a turbocharger comprising an improved reliability actuation system. This object is achieved by a turbocharger having a combination of the features of claim 1.
  • a variable geometry turbocharger utilizing the present invention includes a central housing having a central bore for carrying a shaft-bearing bearing assembly with a turbine wheel mounted at a first end and a compressor turbine mounted at a second end.
  • a compressor casing incorporating the turbine is attached to the central casing and has an air inlet and a compressed air outlet.
  • a cartridge having a base and an insert is attached to the central housing opposite the compressor housing.
  • the cartridge has a base and an insert.
  • the base and the insertion piece mutually form an exhaust inlet nozzle and the nozzle has an exhaust outlet with an aerodynamic contour corresponding to the turbine wheel.
  • a plurality of blades having rotation posts extending from a first surface substantially parallel to the inner wall of the nozzle constitute the variable nozzle.
  • the posts are received in circumferentially spaced openings in the base of the inner wall of the nozzle.
  • the posts have actuating arms extending to engage in notches in a unison ring engaged between the central housing and the base.
  • the operation of the ring in unison is effected by a crank comprising an actuating arm engaging in a slot in the ring in unison.
  • the crank is continuously movable from a first position to a second position, causing the actuating arm to move in the radial slot and imparting a force perpendicular to the radial slot to drive the rotational movement of the ring to the unison.
  • the rotation movement of the ring in unison causes the blades to rotate by the blade arms.
  • a sheet metal exhaust casing is mounted on the cartridge on the central casing, providing an inlet for the exhaust gas into the nozzle.
  • FIG. figure 1 the embodiment of the invention shown in FIG. figure 1 comprises a compressor housing 10 which is connected to a rear plate 12 using two clamps 14 or more fastened by bolts 16.
  • the back plate is fixed to a central housing 18 with several bolts 20 and an annular seal 22.
  • the sheet metal exhaust casing 24 is connected to the central casing using strips 26 fixed by bolts 28.
  • the exhaust gas or other high-energy gas supplying the turbocharger enter the exhaust casing through the entrance 32.
  • a cartridge generally designated 34, is mounted on the central casing.
  • a turbine wheel and shaft assembly 30 is carried by the bearing, the turbine wheel being suspended within the cartridge.
  • Multiple vanes 36 are mounted on a cartridge base 38.
  • the vanes pivot on posts 40 extending from the vanes into holes 42 in a surface 43 of the base which constitutes the inner wall of the inlet nozzle.
  • Actuating arms 44 extend from the blade posts to engage in notches 46 in the unison ring 48.
  • An actuating crank 50 terminates at a first end by a lever arm 52 carrying a pin 54 for engaging with the slot 56 in the ring in unison for rotation of the ring.
  • the crank extends from a boss 58 in the central housing through a sleeve 60 terminating on an outer arm 62 for engagement by an actuating device.
  • An insertion piece 64 is fixed to the central casing by bolts 66 received in holes 68.
  • Support posts 70 hold the base, pressing the base against spacing pins 39 (best seen on the figure 1 ) received in the central housing.
  • An edge 71 which extends around the circumference of the insertion piece is also engaged by the V-band clamp.
  • the insertion piece has the outer wall of the nozzle 72 in the immediate vicinity of the blades.
  • the insertion piece constitutes the exhaust gas outlet of the turbine 73 with an aerodynamic contour fixing the blades on the wheel of the turbine.
  • the insertion piece and the base with the vanes attached and the actuating elements constitute the cartridge, which is separated from both the central casing and the exhaust casing and fixed between these two components.
  • the use of the cartridge of the present invention makes it possible to simplify the exhaust casing with respect to the prior art designs, facilitating improvements such as a sheet metal exhaust casing, as shown in the embodiments of the invention. drawings.
  • a bearing system having two bearings 74 and a bearing spacer 76 or, in other embodiments, a unit bearing, supports mounting of the shaft wheel in the central bore of the central housing 78.
  • the shaft further extends through a bearing ring 80 which engages with a bearing bearing 82 carried between the central housing and the rear plate of the compressor.
  • a piston ring 84 seals the bearing ring with the shaft bore in the back plate.
  • the compressor turbine 86 is attached to the shaft wheel assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)
  • Control Of Turbines (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Non-Positive Displacement Air Blowers (AREA)

Claims (1)

  1. Turbokompressor mit variabler Geometrie, der ein Turbokompressorgehäuse (18, 24) und einen Leitschaufelträger mit variablem Einlauf (34), der von dem Turbokompressorgehäuse getrennt ist, aufweist, wobei
    der Leitschaufelträger mit variablem Einlauf eine Düseninnenwand und eine Düsenaußenwand (72) in beabstandeter Beziehung in Bezug zu der Düseninnenwand aufweist, um eine Düse zu bilden, und versehen mit mehreren Leitschaufeln (36), die zwischen der Düseninnenwand und der Düsenaußenwand gestützt werden,
    der Leitschaufelträger mit variablem Einlauf ferner einen Mechanismus (40, 48, 50) aufweist, der dazu bestimmt ist, die Leitschaufeln (36) zur Rotation zu bringen und eine Patrone (34) darstellt, die einen Sockel (38) aufweist, der die Düseninnenwand definiert, und ein Einsatzteil (64), das die Düsenaußenwand (72) definiert und einen Auspuffauslass mit aerodynamischer Kontur aufweist, die im Wesentlichen einem Turbinenrad entspricht,
    das Turbokompressorgehäuse ein Kompressorgehäuse gegenüber der Patrone aufweist, das ein Kompressorrad einschließt und einen Drucklufteingang und einen Druckluftausgang hat, wobei das Turbokompressorgehäuse weiterhin ein Auspuffgehäuse (24) aufweist, das einen Eingang für die Abgase in das Innere der Düse aufweist, wobei das Auspuffgehäuse außerhalb der Patrone (34) befestigt ist, sowie ein zentrales Gehäuse (18), das eine mittlere Bohrung mit einem Lager enthält, das eine Welle mit dem Turbinenrad stützt, das an der Welle befestigt ist, die sich durch die mittlere Bohrung erstreckt und von dem Lager gestützt wird, wobei das Kompressorrad distal bezüglich des Turbinenrads an der Welle befestigt ist, wobei
    die Patrone (34) durch das Einsatzteil (64), das auf dem zentralen Gehäuse (18) montiert ist, mit dem zentralen Gehäuse (18) gekoppelt ist, wobei das Einsatzteil (64) durch in Löchern (68) aufgenommene Bolzen (66) an dem zentralen Gehäuse (18) befestigt ist,
    wobei das Auspuffgehäuse (24) aus Blech hergestellt ist und durch eine V-förmige Bandklammer (26), die weiterhin einen Rand (71) in Eingriff nimmt, der sich um den Umfang des Einsatzteils (64) erstreckt, an dem zentralen Gehäuse (18) befestigt ist.
EP00953257A 2000-07-19 2000-07-19 Turbokompressor mit verstellbaren leitschaufeln und schneckengehäuse/einlauf aus blech Expired - Lifetime EP1303683B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR2000/002068 WO2002006637A1 (fr) 2000-07-19 2000-07-19 Turbocompresseur a geometrie variable avec virole en tole

Publications (3)

Publication Number Publication Date
EP1303683A1 EP1303683A1 (de) 2003-04-23
EP1303683B1 EP1303683B1 (de) 2008-07-30
EP1303683B2 true EP1303683B2 (de) 2012-09-19

Family

ID=8847164

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00953257A Expired - Lifetime EP1303683B2 (de) 2000-07-19 2000-07-19 Turbokompressor mit verstellbaren leitschaufeln und schneckengehäuse/einlauf aus blech

Country Status (13)

Country Link
US (1) US6951450B1 (de)
EP (1) EP1303683B2 (de)
JP (1) JP4846961B2 (de)
KR (1) KR100669487B1 (de)
CN (1) CN1304732C (de)
AT (1) ATE403068T1 (de)
AU (1) AU2000265774A1 (de)
BR (1) BR0017293B1 (de)
CA (1) CA2416331C (de)
DE (1) DE60039723D1 (de)
HU (1) HUP0301321A2 (de)
MX (1) MXPA03000497A (de)
WO (1) WO2002006637A1 (de)

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US10544703B2 (en) 2017-01-30 2020-01-28 Garrett Transportation I Inc. Sheet metal turbine housing with cast core
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Also Published As

Publication number Publication date
BR0017293B1 (pt) 2008-11-18
ATE403068T1 (de) 2008-08-15
AU2000265774A1 (en) 2002-01-30
US6951450B1 (en) 2005-10-04
EP1303683A1 (de) 2003-04-23
HUP0301321A2 (en) 2003-08-28
CN1433501A (zh) 2003-07-30
CN1304732C (zh) 2007-03-14
WO2002006637A1 (fr) 2002-01-24
MXPA03000497A (es) 2004-09-10
CA2416331A1 (en) 2002-01-24
JP2004505190A (ja) 2004-02-19
KR20030020389A (ko) 2003-03-08
JP4846961B2 (ja) 2011-12-28
CA2416331C (en) 2009-10-20
DE60039723D1 (de) 2008-09-11
KR100669487B1 (ko) 2007-01-16
EP1303683B1 (de) 2008-07-30
BR0017293A (pt) 2003-07-29

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