WO2016037686A1 - Turbocompresseur à gaz d'échappement - Google Patents

Turbocompresseur à gaz d'échappement Download PDF

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Publication number
WO2016037686A1
WO2016037686A1 PCT/EP2015/001731 EP2015001731W WO2016037686A1 WO 2016037686 A1 WO2016037686 A1 WO 2016037686A1 EP 2015001731 W EP2015001731 W EP 2015001731W WO 2016037686 A1 WO2016037686 A1 WO 2016037686A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
gas turbocharger
collar
housing
housing section
Prior art date
Application number
PCT/EP2015/001731
Other languages
German (de)
English (en)
Inventor
Joachim Delitz
Marek Kwasnitza
Original Assignee
Ihi Charging Systems International Gmbh
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 Ihi Charging Systems International Gmbh filed Critical Ihi Charging Systems International Gmbh
Publication of WO2016037686A1 publication Critical patent/WO2016037686A1/fr

Links

Classifications

    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/243—Flange connections; Bolting arrangements
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
    • F02C6/10—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant
    • F02C6/12—Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure

Definitions

  • the invention relates to an exhaust gas turbocharger specified in the preamble of claim 1. Art.
  • an exhaust gas turbocharger consists of a plurality of housing sections: a first housing section, which is generally traversed by hot gases, usually exhaust gas of an internal combustion engine, a second housing section, which rotatably mounted in the second housing portion Aufinnbare and between the first housing portion and a third
  • Housing portion which is permeated by ambient air in general, is positioned. Between the individual housing sections flange surfaces are formed, such that these flange surfaces are designed to be touched, so that leakage of the hot gas and the ambient air is largely avoided. If there are leaks between the flange surfaces, on the one hand, an overall efficiency of the exhaust gas turbocharger is reduced and, on the other hand, polluting exhaust gases occur between the first housing section and the second housing section, which is particularly to be avoided. It should be noted that the exhaust gas turbocharger should be dismantled, that is, for example, a cohesive connection between the individual flange surfaces could bring about a tightness between the flange surfaces, but then the exhaust gas turbocharger is no longer easy to disassemble and reassemble.
  • Threaded union nut produce, resulting in additional and not inconsiderable costs.
  • the published patent application DE 10 2008 057 504 A1 discloses an exhaust-gas turbocharger which, with the aid of tensioning clamps, clamps a tension between two Housing sections provides.
  • the clamps serve a gas-tight clamping of the housing sections against each other, wherein the clamping clips are positioned in sections on a circumference of the housing sections to be connected.
  • a problem is a quick assembly, since the clamps are to be mounted individually on the circumference.
  • the object of the present invention is to provide an exhaust gas turbocharger, the connection of two housing sections is fast and easy to produce while ensuring the connection.
  • Patent claim 1 solved.
  • Advantageous embodiments with expedient and non-trivial developments of the invention are specified in the remaining claims.
  • the invention relates to an exhaust gas turbocharger which has a first housing section of the exhaust gas turbocharger and a second housing section of the exhaust gas turbocharger.
  • the first housing section has a second housing section
  • Housing portion a the first collar opposite radially outwardly directed second collar, wherein the first housing portion and the second
  • Axially extending longitudinal axis are formed, and wherein a connection device is provided for connecting the two housing sections.
  • Connecting device is the first collar and the second collar in the radial and axial directions at least partially comprehensive formed strip-like.
  • connection device has a securing element.
  • the housing sections have high
  • the securing element is wedge-shaped, wherein a groove-shaped recess in the first collar and in the second collar is preferably introduced for producing a non-positive and positive connection, preferably with the aid of a milling method.
  • a radial securing of the connecting device can be achieved.
  • An axial securing of the connecting device is realized by means of the V-band clamp-like configuration of the connecting device.
  • the advantage of the exhaust gas turbocharger according to the invention is to be seen in that in particular a rotation of the first housing portion and the second housing portion is formed that a settlement behavior is prevented and the formation of a radial fuse is realized.
  • FIG. 1 is a perspective view of a first housing portion and a second housing portion of an exhaust gas turbocharger according to the invention
  • FIG. 2 is a perspective view of a connecting device of the exhaust gas turbocharger according to the invention, in a detailed view of the connecting device acc. Fig. 2, in a further perspective view of the connecting device according to. Fig. 2 in a plan view, in a further perspective view fragmentary the first housing portion and the second housing portion of the exhaust gas turbocharger according to the invention, in a further perspective view fragmentary the first housing portion and the second housing portion of the exhaust gas turbocharger according to the invention, in a further perspective view fragmentary the first housing portion and the second housing section of the exhaust gas turbocharger according to the invention without a connecting device, and in a cross section the connecting device in the region of the first housing section.
  • An inventive exhaust gas turbocharger 1 is in an exemplary
  • the exhaust gas turbocharger 1 has a first housing section 2, in the form of a flow-through exhaust gas guide section 2, which is traversed by exhaust gas during operation of the exhaust gas turbocharger 1 by a fluid, as a rule.
  • the exhaust gas is generally but not necessarily a
  • Combustion product of an internal combustion engine not shown.
  • the exhaust gas turbocharger 1 is assigned a second housing section 3, which is designed in the form of a bearing section and serves to support a running gear, not shown, of the exhaust gas turbocharger 1.
  • the bearing portion 3 is positioned between a non-illustrated through-flow air guide portion of the exhaust gas turbocharger 1 and the exhaust gas guide portion 2.
  • the running gear has a not-shown compressor wheel and a not-shown turbine wheel, which are rotatably connected to each other by means of a shaft, not shown.
  • the compressor wheel is not in one Compressor wheel chamber of the air guide section shown in more detail for sucking generally fresh air arranged.
  • the turbine wheel is rotatably received in a wheel chamber 4 of the exhaust gas guide section 2.
  • the turbine is in the operation of the exhaust gas turbocharger 1 of the
  • Exhaust gas flowing portion 2 exhaust flowing and driven, wherein it can perform a rotational movement.
  • This rotational movement is transferable by means of the shaft to the compressor wheel, which thus simultaneously to the rotational movement of the
  • Turbine wheel can perform a rotary motion. With the help of the compressor wheel and its rotary motion fresh air is sucked in, which is compressed in the air guide section.
  • the exhaust gas guide section 2 has a flow-through spiral channel 5, by means of which the fluid can be fed to the turbine wheel. Because of the high temperatures of the fluid flowing through the exhaust gas guide section 2, a heat shield not shown in detail is formed between the exhaust gas guide section 2 and the bearing section 3 for heat-insulating shielding of the bearing section 3. The heat shield is positioned in the area of the turbine wheel near its wheel back.
  • the exhaust gas guide section 2 has at its end facing the bearing section 3 a first flange surface 7.
  • This second flange surface 7 opposite a second flange 8 of the bearing portion 3 is formed, wherein the two flange surfaces 7, 8 are formed complementary.
  • the first housing section 2 has a radially outwardly directed first collar 9, which axially adjacent a radially outwardly directed second collar 10 of the second housing section 3 is assigned.
  • the first flange surface 7 and the second flange surface 8 extend over the first collar 9 and the second collar 10, respectively.
  • the two flange surfaces 7, 8 are opposite to a longitudinal axis 11 of the
  • Exhaust gas turbocharger 1 which corresponds to a rotational axis of the turbine wheel, formed both radially and axially extending.
  • the first housing section 2 and the second housing section 3 are connected to each other by means of a connecting device 12 in the region of the flange surfaces 7, 8.
  • the connecting device 12 comprises a first connecting band 13 and a second connecting band 14, which at one end are non-detachable by means of a first connecting element 15 and at the other end by means of a releasable second connecting element 16 are connected.
  • the connecting device 12 is in principle similar to one
  • Connecting device 12 is provided.
  • the first connecting band 13 and the second connecting band 14 are identical.
  • Connecting band 14 is angled to a first central portion 19 and second central portion 20 of the first connecting band 13 and the second
  • Connecting band 14 is formed, wherein the first end portion 17 and the second end portion 18 is radially formed by a positioned between the first connecting band 13 and the second connecting band 14 imaginary center outwardly extending.
  • the first end portion 17 and the second end portion 18 each have one
  • the first connecting element 15 is in the form of a rectangular plate 21, wherein the plate 21 has three receiving openings penetrating completely in its thickness, a first receiving opening 22, a second receiving opening 23 and a third receiving opening 24.
  • Receiving opening 24 are arranged at a first end 25 of the plate 21 and a second end 26 of the plate 21.
  • the second receiving opening 23 is positioned between the first receiving opening 22 and the third receiving opening 24.
  • the first receiving opening 22 receives a third end portion 27 of the first
  • the third end portion 27 is partially inserted through the first receiving opening 22.
  • a remote from the first central portion 19 arranged end of the third end portion 27 is formed such that the plate 21 is captively received.
  • the third receiving opening 24 receives a fourth end region 28.
  • the plate 21 is captively disposed between the first connecting band 13 and the second connecting band 14 in the form of a chain link.
  • the first collar 9 and the second collar 10 each have a recess 29, that is, they are partially formed on the first housing portion 2 and the second housing portion 3.
  • the recess 29 of the first housing section 2 is positioned next to the recess 29 of the second housing section 3.
  • the recess 29 is designed for at least partially receiving a wedge-shaped securing element 30.
  • the securing element 30 is wedge-shaped, with its large base 31 is positioned facing the plate. At this large base 31, a rectangular-shaped pin 32 is formed, which is inserted through the second receiving opening 23.
  • a securing ring 33 is designed to encompass the pin 32.
  • the securing ring 33 is formed adapted to an outer cross-sectional contour of the pin 32 and does not necessarily have a round or circular shape. Furthermore, it is preferably configured in the form of a snap ring.
  • the securing element 30 is received in the recess 29 in a supporting manner with its small base surface 34 facing away from the large base area 31. Due to the wedge shape of the securing element 30 is thus formed between the first collar 9 and the second collar 10 and the connecting device 12 is a non-positive and positive connection.
  • the two connecting bands 13, 14 are first connected to the plate 21 like a chain.
  • the movable receptacle of the plate 21 between the two connecting bands 13, 14 is required.
  • the respective end regions 27, 28 of the connecting bands 13, 14 can also be welded to their associated central portions 19, 20, whereby an eyelet-like shape of the end region 27, 28 is provided pay attention, so that the movable receptacle of the plate 21 is secured.
  • the advantage of the invention is a reduction of a setting behavior of the connecting device, as occurs, for example, when using a conventional V-band clamp. A twisting of the housing sections against each other is prevented by the locking of the tape with the help of

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)

Abstract

L'invention concerne un turbocompresseur à gaz d'échappement qui comprend une première partie de boîtier (2) du turbocompresseur à gaz d'échappement (1) et une seconde partie de boîtier (3) du turbocompresseur à gaz d'échappement (1). La première partie de boîtier (2) comporte une première attache (9) dirigée radialement vers l'extérieur et opposée à la seconde partie de boîtier (3) et la seconde partie de boîtier (3) comprend une seconde attache (10) dirigée radialement vers l'extérieur et opposée à la première bride (9) et la première partie de boîtier (2) et la seconde partie de boîtier (3) sont formées autour de l'axe longitudinal (11) en s'étendant à la fois radialement et le long de l'axe longitudinal (11). Un dispositif de liaison (12) est prévu pour relier les deux parties de boîtier (2, 3). Selon l'invention, le dispositif de liaison (12) comporte un élément de fixation (30) destiné à fixer la position.
PCT/EP2015/001731 2014-09-12 2015-08-25 Turbocompresseur à gaz d'échappement WO2016037686A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014113165.7A DE102014113165A1 (de) 2014-09-12 2014-09-12 Abgasturbolader
DE102014113165.7 2014-09-12

Publications (1)

Publication Number Publication Date
WO2016037686A1 true WO2016037686A1 (fr) 2016-03-17

Family

ID=54478691

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/001731 WO2016037686A1 (fr) 2014-09-12 2015-08-25 Turbocompresseur à gaz d'échappement

Country Status (2)

Country Link
DE (1) DE102014113165A1 (fr)
WO (1) WO2016037686A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240052959A1 (en) * 2021-02-03 2024-02-15 Norma Germany Gmbh Profile Clamp, Flange Connection, and Turbocharger Comprising Same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61218733A (ja) * 1985-03-25 1986-09-29 Hitachi Ltd 排気タ−ビン過給機
DE19816645A1 (de) * 1998-04-15 1999-10-21 Daimler Chrysler Ag Abgasturboladerturbine
WO2004022926A1 (fr) * 2002-09-05 2004-03-18 Honeywell International Inc. Turbocompresseur comprenant un dispositif de tuyere variable
EP2090755A1 (fr) * 2008-02-14 2009-08-19 ABB Turbo Systems AG Boîtier de turbosoufflante
DE102008057504A1 (de) 2008-11-15 2010-05-20 Bosch Mahle Turbo Systems Gmbh & Co. Kg Ladeeinrichtung
DE102010053078A1 (de) 2010-12-01 2012-03-29 Daimler Ag Abgasturbolader

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0606299D0 (en) * 2006-03-30 2006-05-10 Teconnex Ltd Clamping device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61218733A (ja) * 1985-03-25 1986-09-29 Hitachi Ltd 排気タ−ビン過給機
DE19816645A1 (de) * 1998-04-15 1999-10-21 Daimler Chrysler Ag Abgasturboladerturbine
WO2004022926A1 (fr) * 2002-09-05 2004-03-18 Honeywell International Inc. Turbocompresseur comprenant un dispositif de tuyere variable
EP2090755A1 (fr) * 2008-02-14 2009-08-19 ABB Turbo Systems AG Boîtier de turbosoufflante
DE102008057504A1 (de) 2008-11-15 2010-05-20 Bosch Mahle Turbo Systems Gmbh & Co. Kg Ladeeinrichtung
DE102010053078A1 (de) 2010-12-01 2012-03-29 Daimler Ag Abgasturbolader

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240052959A1 (en) * 2021-02-03 2024-02-15 Norma Germany Gmbh Profile Clamp, Flange Connection, and Turbocharger Comprising Same

Also Published As

Publication number Publication date
DE102014113165A1 (de) 2016-03-17

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