EP0703366B1 - Rotierende Maschine mit Axialschub - Google Patents

Rotierende Maschine mit Axialschub Download PDF

Info

Publication number
EP0703366B1
EP0703366B1 EP95402111A EP95402111A EP0703366B1 EP 0703366 B1 EP0703366 B1 EP 0703366B1 EP 95402111 A EP95402111 A EP 95402111A EP 95402111 A EP95402111 A EP 95402111A EP 0703366 B1 EP0703366 B1 EP 0703366B1
Authority
EP
European Patent Office
Prior art keywords
rotor
shaft
bearing
connection base
work
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
EP95402111A
Other languages
English (en)
French (fr)
Other versions
EP0703366A1 (de
Inventor
Daniel Bolusset
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.)
Areva NP SAS
Original Assignee
Framatome SA
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 Framatome SA filed Critical Framatome SA
Publication of EP0703366A1 publication Critical patent/EP0703366A1/de
Application granted granted Critical
Publication of EP0703366B1 publication Critical patent/EP0703366B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/166—Sliding contact bearing
    • F01D25/168—Sliding contact bearing for axial load mainly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/051—Axial thrust balancing
    • F04D29/0513—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053—Shafts
    • F04D29/054—Arrangements for joining or assembling shafts

Definitions

  • the shafts of turbine engine rotors such as gas or steam turbines and centrifugal compressors or axial ones carry working elements such as wheels paddle. These organs ensure a transformation between a thermal energy present in a workplace typically gaseous and mechanical energy present on the rotor shaft.
  • the rotor of such a machine is held in position radial by bearings and in axial position by a stop. Its connection in rotation with other rotating elements of the machine is ensured by a coupling system transmitting a couple of work.
  • An object of the present invention is to give a possibility to raise the value of these speeds critical, and therefore more easily ensure a high performance operation.
  • the rotor working members ensuring the compression are impellers.
  • the tree that carries them is supported by bearings which provide the dynamic stiffness and damping characteristics necessary to ensure its stability in rotation.
  • bearings Two types bearings are used: hydrodynamic bearings with oil and active magnetic bearings.
  • Compressed gases are often dangerous and must be confined within the compressor casing. To do this, a seal is interposed at each crossing of this envelope by the tree. Many types can be used depending on the applications: oil, mechanical oil seals and now, dry fillings.
  • the axial thrust generated by the compression is, in part, compensated by a balancing piston; the thrust residual is balanced by that of an axial stop, i.e. with pads lubricated with oil, either magnetic.
  • the present invention also aims to allow simply and inexpensively produce a rotor capable of experience significant axial thrusts while turning high speed and transmitting large torques.
  • this invention provides a at least partial integration of rotor parts ensuring the function of an axial stop and that of a coupling plate transmitting the working torque. This integration makes it possible to reduce the door masses to false which, by their gyroscopic effects in particular, affect the dynamic stability of the rotor and thus reduce the range of machine rotational speeds.
  • Figure 1 shows a view in half axial section of a known compressor.
  • Figure 2 shows a view in half axial section of a compressor according to this invention.
  • the rotary stop and the coupling wall typically have the respective shapes of a stop and a coupling plate. Their bases of connection are mounted outside the segment of work to limit the range of the tree and the masses supported by it between the bearings. Landing 62 or 12 closest to the coupling plate will be said below "front landing”.
  • the torque balancing device transmits the torque from work on the coupling plate via a flexible coupling system 87 or 37 allowing rotational edgings between the rotor shaft and that of the torque balancing member while decoupling the bending vibrations of the two shafts.
  • the thrust disc 82 is mounted near the rear bearing 60 to limit the length of the tree overhang beyond the front landing.
  • connection bases axial stop and coupling are one and the same connection base 30.
  • the axial stop rotor assemblies and coupling consist of one and the same transmission part 30, 32, 34 comprising the base of connection 30.
  • This base is connected to the inner edge a transmission disc 32, 34 of annular shape.
  • a central part 34 of this transmission disc constitutes the coupling wall, a peripheral part 32 of this transmission disc constituting the rotary stop.
  • connection base could be mounted around the tree.
  • the shaft 16 is hollow at least near its end front 17 and the connection base 30 is fixed against the inner surface of this tree in the vicinity of this end.
  • the rotary stop 32 and the coupling wall extend radially and are then located axially in front of this front end.
  • the bearing surface on the base shaft connection 30 can be conical, as shown, or cylindrical. It is mounted by hydraulic fitting or hot, practically within the bearing range before.
  • connection base 30 It is locked axially by an axial screw 46 extending into the connection base 30 and screwing in an internal shoulder 48 of the shaft 6. Wedges of setting 47 allow precise positioning longitudinal of the connection base 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Claims (2)

  1. Rotationsmaschine mit Axialdruck, diese Maschine umfaßt :
    einen Stator (2)
    einen Rotor (4), welcher sich um eine im wesentlichen horizontale Achse (6) dreht, um auf einem Arbeitsbereich eine Arbeit durchzuführen, so daß dieser Rotor von diesem Bereich zugleich ein Moment und einen Axialdruck erhält;
    und ein Organ zum Momentenausgleich (8), welches sich wie dieser Rotor dreht und dabei ihm ein ausgleichendes Arbeitsmoment aufbringt, Moment, welches dieses Rotor von dem Arbeitsbereich erhält ;
       dieser Stator umfaßt zumindest :
    zwei Lager (10,12) als Auflage für diesen Rotor,
    und ein Statorteil mit Axialdrucklager (14), um diesen Rotor durch Aufbringung eines Axialdruckes axial zu halten
       wobei dieser Rotor zumindest umfaßt:
    eine Welle (16), welche sich auf besagter Achse erstreckt,
    zwei an dieser Welle ausgebildete Kurbelwellenlager (18, 20), welche mit den beiden genannten Lagern (10,12) zusammenwirken, um diese Welle zu tragen, wobei diese beiden Kurbelwellenlager untereinander an dieser Welle ein Arbeitssegment (22) abgrenzen,
    Arbeitsorgane (24,26,28), welche an dieser Welle in dem Arbeitssegment angebracht sind, um die besagte Arbeit auszuführen, wenn sich dieser Rotor dreht,
    eine Rotoreinheit mit Axialdrucklager (30,32), welche einerseits eine rohrartige, koaxial an dieser Welle außerhalb dieses Arbeitssegmentes aufliegende Anschlußfläche (30) und andererseits einen Drehanschlag mit einem umlaufenden, an dieser Welle und dieser Lagerauflagefläche radial überstehenden Teil (32) umfaßt, wobei dieser Drehanschlag mit besagtem Statorteil mit Axialdrucklager zusammenwirkt, um besagten Axialdruck an diese Welle über diese Lageranschlußfläche zu übertragen ;
    und eine Kupplungs-Rotoreinheit (30,34), welche einerseits besagte Anschlußfläche umfaßt und andererseits eine Kupplungswand (34), welche radial an dieser Welle und dieser Kupplungsanschlußfläche übersteht ; wobei diese Kupplungswand mit besagtem Momentenausgleichsorgan (8) gekoppelt ist, um besagtes Arbeitsmoment an diese Welle über diese Kupplungs-Anschlußfläche zu übertragen.
    wobei diese Maschine dadurch gekennzeichnet ist, daß besagte Anschlußfläche (30) an den Innenrand einer ringförmigen Übertragungsscheibe (32,34) angeschlossen wird, daß ein zentraler Teil (34) dieser Übertragungsscheibe besagte Kupplungswand bildet, daß ein umlaufender Teil (32) dieser Übertragungsscheibe besagten Drehanschlag bildet.
  2. Maschine nach Patentanspruch 1, wobei diese Maschine dadurch gekennzeichnet ist, daß besagte Welle (16) zumindest nahe eines Endes hohl ist und so ein vorderes Ende (17) bildet; daß besagte Anschlußfläche (30) an der Innenfläche dieser Welle nahe des vorderen Endes befestigt ist, daß der Drehanschlag (32) und die Kupplungswand sich radial ausdehnen und axial vor diesem vorderen Ende befindlich sind.
EP95402111A 1994-09-23 1995-09-19 Rotierende Maschine mit Axialschub Expired - Lifetime EP0703366B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9411365A FR2724974B1 (fr) 1994-09-23 1994-09-23 Machine rotative a poussee axiale
FR9411365 1994-09-23

Publications (2)

Publication Number Publication Date
EP0703366A1 EP0703366A1 (de) 1996-03-27
EP0703366B1 true EP0703366B1 (de) 1998-11-18

Family

ID=9467210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95402111A Expired - Lifetime EP0703366B1 (de) 1994-09-23 1995-09-19 Rotierende Maschine mit Axialschub

Country Status (4)

Country Link
EP (1) EP0703366B1 (de)
DE (1) DE69506069T2 (de)
FR (1) FR2724974B1 (de)
NO (1) NO953728L (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI1009988A2 (pt) * 2009-04-01 2016-03-15 Siemens Ag "rotor para uma turbomáquina"

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB595669A (en) * 1942-04-27 1947-12-12 Power Jets Ltd Rotor assembly
US1789329A (en) * 1923-04-19 1931-01-20 Carrier Engineering Corp Sealing and thrust balancing means for rotary compressors and analogous machines
US4234290A (en) * 1978-11-30 1980-11-18 Binks Manufacturing Company Turbine pump
DE3214030C2 (de) * 1981-05-22 1986-01-02 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Starre Wellenkupplung für mit senkrechter Welle angeordnete Kreiselpumpen

Also Published As

Publication number Publication date
NO953728L (no) 1996-03-25
FR2724974B1 (fr) 1996-11-22
EP0703366A1 (de) 1996-03-27
DE69506069T2 (de) 1999-05-20
NO953728D0 (no) 1995-09-21
FR2724974A1 (fr) 1996-03-29
DE69506069D1 (de) 1998-12-24

Similar Documents

Publication Publication Date Title
EP1505264B1 (de) Niederdruck-Turbine einer Turbomaschine
CA2518355C (fr) Retenue des clavettes de centrage des anneaux sous aubes de stator a calage variable d'un moteur a turbine a gaz
EP3137741B1 (de) Flugzeugtriebwerk mit verbessertem der ziehen mechanischen leistung
FR3049008A1 (fr) Turboreacteur comprenant un arbre basse pression supercritique
EP1626170A1 (de) Turbomaschine mit gegenläufigem Gebläse
EP1749977B1 (de) Dichtungssystem des hinteren lagergehäuses eines strahltriebwerks
FR3019865A1 (fr) Dispositif de blocage d'ecrou
FR2856440A1 (fr) Compresseur de turbomachine et roue dudit compresseur
FR2563276A1 (fr) Ensemble de paliers pour une turbine a gaz de suralimentation d'un moteur compound et moteur ainsi obtenu
EP2071141B1 (de) Dichte Befestigung eines Lagerträgers in einem Turbotriebwerk
CA2464335C (fr) Machine volumetrique rotative
EP0703366B1 (de) Rotierende Maschine mit Axialschub
FR2595430A1 (fr) Dispositif d'etancheite pour machine a fluide rotative
FR2602847A1 (fr) Systeme d'etancheite pour arbre tournant dans un element support
FR2639674A1 (fr) Dispositif d'etancheite pour les chambres menagees entre les arbres coaxiaux de turbomachines
FR3066533B1 (fr) Ensemble d'etancheite pour une turbomachine
EP3976926B1 (de) Turbomaschinenanordnung mit dämpfer
FR3027070B1 (fr) Turbomachine tournant a des vitesses elevees
WO2017137701A1 (fr) Systeme de mise en rotation d'une soufflante d'un turboreacteur
EP2631490B1 (de) Radiales Schaufelrad mit radial freiem Basisring
FR2564548A1 (fr) Dispositif d'accouplement hydrodynamique.
FR2465063A1 (fr) Unite motrice d'un outil de desagregation des roches et sa liaison avec cet outil
WO2019110892A1 (fr) Train planetaire
FR3104195A1 (fr) fixation améliorée d’aubages de turbine contrarotative
FR3126017A1 (fr) Module de soufflante a pales a calage variable

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE CH DE GB IT LI

17P Request for examination filed

Effective date: 19960629

17Q First examination report despatched

Effective date: 19970602

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE GB IT LI

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: MICHELI & CIE INGENIEURS-CONSEILS

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 69506069

Country of ref document: DE

Date of ref document: 19981224

ITF It: translation for a ep patent filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19990129

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20010926

Year of fee payment: 7

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

REG Reference to a national code

Ref country code: CH

Ref legal event code: PUE

Owner name: FRAMATOME TRANSFER- THERMODYN

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

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

Effective date: 20020930

BERE Be: lapsed

Owner name: *FRAMATOME

Effective date: 20020930

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20130927

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20130927

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20130924

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20130927

Year of fee payment: 19

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69506069

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20140919

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69506069

Country of ref document: DE

Effective date: 20150401

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

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

Effective date: 20140930

Ref country code: CH

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

Effective date: 20140930

Ref country code: GB

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

Effective date: 20140919

Ref country code: DE

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

Effective date: 20150401

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

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

Effective date: 20140919