WO2016001364A1 - Déviation de flux dans une turbomachine - Google Patents

Déviation de flux dans une turbomachine Download PDF

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Publication number
WO2016001364A1
WO2016001364A1 PCT/EP2015/065108 EP2015065108W WO2016001364A1 WO 2016001364 A1 WO2016001364 A1 WO 2016001364A1 EP 2015065108 W EP2015065108 W EP 2015065108W WO 2016001364 A1 WO2016001364 A1 WO 2016001364A1
Authority
WO
WIPO (PCT)
Prior art keywords
flow
segment
deflecting
deflection
fluid flow
Prior art date
Application number
PCT/EP2015/065108
Other languages
German (de)
English (en)
Inventor
Ludger Alfes
Wolfgang Freund
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP15733463.2A priority Critical patent/EP3140549A1/fr
Publication of WO2016001364A1 publication Critical patent/WO2016001364A1/fr

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Classifications

    • 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
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/04—Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L43/00—Bends; Siphons
    • F16L43/001—Bends; Siphons made of metal
    • F16L43/002—Bends; Siphons made of metal and formed from sheet having a circular passage
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/292—Three-dimensional machined; miscellaneous tapered

Definitions

  • the invention relates to a device for deflecting a fluid flow for a turbomachine, in particular for a multi-stage compressor, such as a Getriebeturbover Actually Disposement, and a method for producing such a device.
  • Compressors or fluid compressing devices are used in various industries for various applications involving compression or compression of fluids, especially (process) gases.
  • Known examples of this are turbo compressors in mobile industrial applications, such as in exhaust gas turbochargers or in jet engines, or in stationary industrial applications, such as gearbox or turbo compressor for air separation.
  • a plurality of such compressor stages can be connected in series, wherein the fluid to be compressed is guided from the compressor stage to the compressor stage.
  • turbocompressors As types of turbocompressors, a distinction is made between radial and axial compressors.
  • the fluid to be compressed for example a process gas
  • the fluid to be compressed flows in a direction parallel to Axle (axial direction) through the compressor.
  • the gas flows axially into the impeller of
  • the 90 ° elbow in the form of two individually manufactured, each cut to 45 ° or produced from correspondingly cut ⁇ cut sheets, (at the 45 ° cutting edges) welded together hollow cylinders with the same internal cross-sections.
  • a (concentric) Re ⁇ duzier for example a DIN-part according to DIN 2616 in the form of a (concentric) cone with a cone angle (hal ⁇ via opening angle between the surface line and the
  • Cone axis of about 30 °, which is a pipeline nominal width of the 90 ° elbow or its supply to a
  • Ver Whyrsaugnennweite the corresponding (downstream of the fluid) compressor stage reduced.
  • the invention has for its object to realize a Strömungsum- steering for a turbomachine, which improves the disadvantages of the prior art, in particular which is simple and inexpensive to produce and allows a uniform and vortex-free flow.
  • the object is achieved by a device for deflecting a fluid flow for a turbomachine, in particular for a multi-stage compressor, and a method for producing such a device having the features according to the respective independent claim.
  • the device for deflecting a fluid flow for a turbomachine in particular for a multi-stage compressor, and a method for producing such a device having the features according to the respective independent claim.
  • Turbomachine provides a first tubular Strömungsum- steering segment with a first flow inlet and ei ⁇ ner first flow outlet opening and a first segment longitudinal axis.
  • the fluid flow may be the first flow diverting segment (entering at the first flow inlet) from the first Flow inlet opening - in the first flow direction along the first segment longitudinal axis (also simplified only tube (- middle / longitudinal) axis) - to the first Strömungsaustrittsöff ⁇ tion (where exiting at the first flow outlet opening) flow through.
  • the device for deflecting a fluid flow for a turbomachine provides a second flow deflection segment - also with a second flow inlet and a second flow outlet opening and a second segment longitudinal axis.
  • the fluid flow can flow through the second flow deflection segment (entering at the second flow inlet opening) from the second flow inlet opening-in the second flow direction along the second segment longitudinal axis-to the second flow outlet opening (exiting there at the second flow outlet opening).
  • the first flow outlet opening of the first Strömungsum- steering segment is connected to the apparatus in such a manner with the two ⁇ th flow inlet opening of the second segment Strömungsumlen- effect that the second segment of the longitudinal axis is inclined by a predetermined inclination angle relative to the longitudinal axis of the first segment.
  • the first flow deflection segment is - via its first flow outlet opening with the second flow deflection segment - at local second Strö ⁇ mung inlet opening - connected (seam) - tilted / tilted by a predetermined kink or inclination angle against the second Strö ⁇ mungsumlenkungssegment.
  • the flow of fluid can thus - when flowing through the two flow deflection segments along the first and the second segment longitudinal axis - by a (dependent on the predetermined inclination / bending angle) deflection angle (bending / inclination angle and deflection angles are mutually complementary to 180 °) vice ⁇ deflects.
  • connection between the flow deflection segments can be realized by means of a joining method, in particular by a thermal joining method, such as welding
  • the device then provides that the first one
  • the internal cross-sectional variation of a flow deflection segment via a (longitudinal) portion or each of a plurality of (longitudinal) can portions of the longitudinal extension of the Strö ⁇ mung deflection segments or over the entire Leksser ⁇ extension of the flow deflection segment continuously and / or batchwise, in one or done in several stages.
  • the device here sees one (or two) tubular body (hollow) through which the fluid or fluid flow can flow with a simultaneous integrated change in cross-section ("integrated reducing device").
  • the device realized so in a simple and inexpensive way a flow deflection with simultaneous
  • Cross-section reduction simultaneously (in one component) - and not (in the flow direction) behind one another or in the flow direction following the deflection, so the device can also build compact and space saving, are additional, separate (below the flow deflection to be built ⁇ end) cross-sectional adjustments / Adaptation pieces, in particular reducers or reducers, are no longer necessary here.
  • the device realizes with its cross-section-reducing segments at its interface between the two flow deflection segments a small or reduced flow cross-section (in comparison to non-cross-section-reducing segment bends), which reduces the cost of materials in the device, their costs and Processing costs reduced.
  • the device can be so particular suction lines in multi-stage compressors, such as in Gereteturboverdichtern, (which suction lines flow deflections (from one to the next compressor stage) and
  • a conical tube is divided into two tube segments by a miter cut (with a predefinable miter cutting angle of, for example, approximately 45 °), whereby the first and the second flow deflection segments are formed become .
  • the first flow outlet opening of the first Strömungsum- steering segment forms the one Mithrungsterrorism
  • the second flow inlet opening of the second flow deflection segment forms the other miter cut surface.
  • the two pipe segments are then joined together at their miter cuts, for example by means of a thermal joining process, such as welding, (one pipe segment being inclined relative to the other by twice the bevel cutting angle (inclination angle) and with the two segment longitudinal axes offset from one another). , whereby the connection between the first and the second Strömungsumlenkungssegment (with there inclination / bending angle) - and so the device for deflecting a fluid flow for a turbomachine - made ⁇ the ⁇ .
  • a thermal joining process such as welding
  • the method thus allows for easy, material and
  • exactly one first and one second flow deflection segment if appropriate connected to one another by means of a thermal or mechanical joining process, are provided.
  • a streamlined 90 ° (segment) manifolds (90 ° Deflection / deflection angle) can be realized.
  • the first flow deflection segment at its first flow outlet opening has a 45 ° (miter) cut (hereinafter also generally referred to as cut edge) and / or the second flow - Mung deflection segment at its second flow inlet ⁇ opening has a 45 ° (miter) section.
  • the first flow deflection segment can also have a 45 ° (miter) cut / cut edge at its first flow inlet opening or the second flow deflection segment can te flow deflection segment at its second Strömungsaus ⁇ outlet opening a 45 ° (miter) cut / cut edge on ⁇ wise.
  • a plurality of the first and / or second Strömungsumschungs- segments are provided.
  • this development realizes a "multi / multi-segment manifold" whose "individual kinks" between each two of the flow deflection segments add up to the total kink - and thus to the total deflection.
  • the individual segments can be connected to each other by means of a thermal and / or mechanical joining process.
  • the individual segments can also be produced by mitring cuts on a conical tube therefrom . If the flow diversion is distributed over several / many individual kinks, a particularly streamlined (total) deflection can be realized thereby.
  • flow guide elements in particular straight flow conducting sheets and / or curved deflecting vanes are arranged.
  • the flow guidance in the device can be improved and / or secondary disturbances by vortices in the region of the deflection / deflections can be minimized.
  • Such flow guide can be inserted into the device or into the interior of the device, for example, transferred to the flow deflection segments provided / incorporated slots - and then by means of a Fügever ⁇ driving, such as a thermal joining method, for example by welding, within (for example by an internal weld) and / or outside (for example by an external weld) are fixed to the device.
  • a Fügever ⁇ driving such as a thermal joining method, for example by welding, within (for example by an internal weld) and / or outside (for example by an external weld) are fixed to the device.
  • additional, additional attachment parts such as an additional tube or a further tube guide and / or a reduction, may be provided on the device.
  • a further tubular Strömungsseg ⁇ ment in particular straight pipe segment or a Reduzierseg- ment.
  • complex flow guides can be made streamlined. If a (flow) cross-section reduction or a part of a required (total) cross-section reduction already takes place through the device, then a cone angle at a Reduziersegment (reduction) - streamlined - can turn out to the predetermined (total)
  • Compressor suction range to realize.
  • first and / or the second flow deflection segment consist of a metal connection.
  • Sheet metal / sheet metal parts are particularly preferably used ⁇ bar, such parts are available inexpensively.
  • the device in a suction line of a
  • Compressor stage of a multi-stage compressor in particular a transmission compressor is arranged.
  • the device can thus - in a particularly simple, inexpensive, compact and streamlined manner - direct the flow and its cross section of nominal pipe diameter
  • the device can also be used for other types of turbomachines, such as turbines, for local flow guidance, for example between turbine stages.
  • turbomachines such as turbines
  • local flow guidance for example between turbine stages.
  • FIG. 2 shows a bladed segmental manifold in a suction line in a multi-stage transmission compressor.
  • Exemplary embodiment concentrically bladed manifold in a multistage transmission compressor (FIG. 1)
  • a process gas 2 in a multi-stage gear compressor 3 from an intercooler 26 between two compressor stages 28, 29, ie (in general nomenclature) a first 28 and a subsequent second compressor stage 29, is from Aufstel ⁇ lt] lungs strictlyn reasons or structural reasons, a flow of the process gas 2 with a flow deflection of 90 ° necessary.
  • This flow guidance or the 90 ° flow deflection is 15 compact as possible with small dimensions and strömungsgüns ⁇ tig to make the transmission compressor 3 even compact and cost-effective and with high efficiency.
  • the process gas flow after the 90 ° deflection should be performed uniformly without disturbing vortex in the compressor suction side 27 of the second compressor stage 29, thereby 30 a uniform flow of impellers (not shown) of this compressor stage 29 and a high efficiency of the compressor stage 29 and des Gear compressor 3 to ensure ⁇ afford.
  • FIG. 1 shows a detail of the flow guidance with a concentrically bladed 90 ° bend 1 in the suction line 21 between the first and the second compressor stage 28, 29 in the multi-stage gearbox compressor 3, which is on simple and cost-effective manner called requirements rea ⁇ linstrument.
  • FIG 1 shows, the concentrically bladed 90 ° elbow 1, a first conical 4 and a second conical segment 8, which by a 45 ° miter 15, 16 on a conical metallic tube 23 (each to the pipe center axis / -lijnsachse 7, 11 normal entrance 5 and exit surface 10) are made.
  • This conical tube 23 has a cone angle ( ⁇ , ⁇ ) 13, 14 of about 7.5 °, whereby an initial / initial cross-section 24 of about 1200 mm over a length (of the conical tube) of about 500 mm an end cross section 25 of about 1069 mm
  • the conical tube 23 By a - in some the middle of the longitudinal extent of the conical tube 23 attached - 45 ° miter 15, 16 (cutting edge is tilted by 45 ° to the normal to the pipe center line or pipe axis 7, 11), the conical tube 23 in two ( Tei ⁇ le / segments 4, 8 separated, resulting in the two segments 4, 8 "their" 45 ° miter cut surfaces (as the outlet opening 6 of the first 4 or as an inlet opening 9 of the second segment 8 forming surfaces ).
  • the compound is unsymmetrical and the point of intersection 30 of the two center lines 7, 11 of the two segments 4, 8 is situated, as FIG 1 shows outside the miter cut / the miter cut ⁇ surfaces or connecting surface / Buckling surface (6/15, 9/16).
  • the ⁇ ser offset of the intersection point 30 enables the two segments 4, 8 at their miter cuts / -flachen (6/15, 9/16) aerodynamically be welded without edge offset.
  • Compressor suction range 25, here 1069 mm Compressor suction range 25, here 1069 mm) streamlined into a component, which also builds compact and space-saving integrated. Furthermore realized the 90 ° elbow 1 with his
  • cross-section reducing two segments 4, 8 at their interface a small or reduced flow cross-section 17 (compared to non-cross section reducing segment bend), which reduces the cost of materials - since thinner wall thicknesses at the conical tube 23 are possible - at the 90 ° elbow 1 and thereby also the costs and proces ⁇ maintenance effort reduced.
  • the following curved curved guide vanes 18 are used in the region of the miter cut (6/15, 9/16) or the segment connection .
  • slits 31 are introduced into the 90 ° bend 1 over the circumference 17 in the area of the segment connection (6/15, 9/16), in which the deflection vanes are distributed uniformly 18 are inserted into the interior of the 90 ° elbow 1 - and fixed by Au- hversch conductedung on the 90 ° elbow 1.
  • the process gas 2 flows through a 100 mm short, cylindrical, immediately (in the flow direction) after the 90 ° elbow 1 arranged pipe section 33, which also has the Ver Whyrsaugnennweitenquerrough 25 of about 1069 mm.
  • Flanged compressor stage 29 By this, shown in Figure 1, cost, low Mate ⁇ rialetzwand and welding cost-requiring, flow-efficient flow deflection with simultaneous reduction of the flow cross-section suction lines of transmission compressors can be made more compact and less expensive and streamlined. This makes it possible to reduce the overall installation space of transmission compressors or systems and thereby save further costs.
  • FIG 2 shows a detail of an alternative Strö ⁇ mung lead in the suction line 21 of the transmission compressor 3 (of Figure 1), which alternative flow guide - as that of Figure 1 - in a simple and Inexpensive manner the ge ⁇ named requirements for such flow guides, such as compact design, streamlined, material-saving, easy to build, inexpensive, high efficiency realized.
  • the segment bend 1 has a plurality, ie in this case four, conical (in the following further used nomenclature one to four) (individual) segments 4, 8, 4, 8, which are formed by corresponding miter cuts 15, 16 on a conical metallic tube 23 (with each of the pipe center axis / longitudinal axis 7, 11, 7, 11 normal entry ⁇ 5 or exit surface 10) are made.
  • This conical tube 23 has a cone angle 13, 14 ( ⁇ , ⁇ ) of about 5 °, whereby a starting / starting cross-section 24 of about 1200 mm over a length (of the conical tube 23) of about 500 mm on a End cross section 35 of about 1113 mm redu ⁇ is reduced.
  • the conical tube 23 in four (approximately equally long) parts / segments 4, 8, 4, 8 separated, where ⁇ by itself at the four Segments 4, 8, 4, 8 "their" 15 ° face cut surfaces (6/15, 9/16, 10/15, 5/16, 6/15, 9/16)
  • a respectively cut part / segment 4, 8, 4, 8 is rotated / rotated by 180 ° about its respective center line 7, 11 to the respective other cut part / segment 4, 8, 4, 8 by 30 °, tilted / tilted by 30 ° 12 (Single-flow deflection 22) and then at the center line 7, 11 offset at the miter cut, ie on the edge coverage at both miter cut surfaces (6/15,
  • This respective offset of the crossing point 30 makes it possible to the segments 4, 8, 4, 8 at their miter cuts / - surfaces (6/15, 9/16, 10/15, 5/16, 6/15, 9/16) respectively to weld in a streamlined manner without edge offset.
  • straight flow-conducting sheets 18 are arranged in the middle two segments 8, 4 (segment two 8 and segment three 4) between the miter cuts (FIG. 15, 9/16, 10/15, 5/16, 6/15, 9/16).
  • the process gas 2 After emerging from the segmental manifold 1 flows through (in Strö ⁇ flow direction 32 and with flow segment longitudinal / - central axis 20 in extension of the (fourth) segment length - / - central axis), the process gas 2, a conical, exhibiting a cone angle of approximately 7 °, 179 mm short, directly (arranged in flow ⁇ direction 32) after the Segmentkrümmer 1 Reduzie- extension piece 19, that the flow cross-section at the Pro ⁇ zessgasströmung (from the exit cross-section 35 at the wide Segmentkrümmer 1 of about 1113 mm) to the
  • This reduction piece 19 is then applied to a suction nozzle 34 at the suction side 27 of the second compressor stage being flanged ⁇ 28th
  • cost, low Mate ⁇ rialetzwand and welding effort required, flow-favorable flow deflection with simultaneous reduction of the flow cross-section suction lines of transmission compressors can be made more compact and cost effective and streamlined. This makes it possible to reduce the overall installation space of transmission compressors or systems and thereby save further costs.

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

Abstract

L'invention concerne un dispositif (1) pour la déviation de flux (2) dans une turbomachine (3), notamment dans un compresseur à plusieurs étages (3) tel qu'un turbocompresseur à engrenage (3), ainsi qu'un procédé de fabrication d'un tel dispositif (1). Le dispositif (1) présente un premier et un deuxième segment tubulaire de déviation de flux (4, 8) comprenant une première ou une deuxième ouverture d'entrée de flux (5, 9) et une première ou une deuxième ouverture de sortie de flux (6, 10), ainsi qu'un premier ou un deuxième axe longitudinal de segment (7, 11). La première ouverture de sortie de flux (6) du premier segment de déviation de flux (4) est reliée à la deuxième ouverture d'entrée de flux (9) du deuxième segment de déviation de flux (8) de telle manière que le deuxième axe longitudinal de segment (11) est incliné de l'ordre d'un angle d'inclinaison prédéfinissable (12) par rapport au premier axe longitudinal de segment (7). Pour réaliser un dispositif (1) simple et économique, le premier et/ou le deuxième segment tubulaire de déviation de flux (4, 8) présentent le long de leur axe longitudinal de segment (7, 11) respectif une première ou une deuxième modification de section transversale intérieure (13, 14). Selon le procédé, un tube conique (23) est divisé par une coupe d'onglet (15, 16) en deux segments de tube (4, 8) et les deux segments de tube (4, 8) sont reliés l'un à l'autre au niveau de leurs coupes d'onglet (15, 16).
PCT/EP2015/065108 2014-07-03 2015-07-02 Déviation de flux dans une turbomachine WO2016001364A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15733463.2A EP3140549A1 (fr) 2014-07-03 2015-07-02 Déviation de flux dans une turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014212910.9 2014-07-03
DE102014212910.9A DE102014212910A1 (de) 2014-07-03 2014-07-03 Strömungsumlenkung bei einer Strömungsmaschine

Publications (1)

Publication Number Publication Date
WO2016001364A1 true WO2016001364A1 (fr) 2016-01-07

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EP (1) EP3140549A1 (fr)
DE (1) DE102014212910A1 (fr)
WO (1) WO2016001364A1 (fr)

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WO2020161190A1 (fr) * 2019-02-08 2020-08-13 Norma Germany Gmbh Équerre de liaison par communication fluidique de conduits de fluide d'un véhicule
US11098730B2 (en) 2019-04-12 2021-08-24 Rolls-Royce Corporation Deswirler assembly for a centrifugal compressor
US11187243B2 (en) 2015-10-08 2021-11-30 Rolls-Royce Deutschland Ltd & Co Kg Diffusor for a radial compressor, radial compressor and turbo engine with radial compressor
US11286952B2 (en) 2020-07-14 2022-03-29 Rolls-Royce Corporation Diffusion system configured for use with centrifugal compressor
US11441516B2 (en) 2020-07-14 2022-09-13 Rolls-Royce North American Technologies Inc. Centrifugal compressor assembly for a gas turbine engine with deswirler having sealing features
RU2783572C1 (ru) * 2019-02-08 2022-11-14 НОРМА Германи ГмбХ Угловой элемент для проточного соединения трубопроводов для текучей среды в транспортном средстве
US11578654B2 (en) 2020-07-29 2023-02-14 Rolls-Royce North American Technologies Inc. Centrifical compressor assembly for a gas turbine engine
DE102021210595A1 (de) 2021-09-23 2023-03-23 Volkswagen Aktiengesellschaft Radiallüfter mit mindestens einem luftaustrittsseitig angeordneten Luftleitelement und Fahrzeugsitz mit einem solchen Radiallüfter

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US11187243B2 (en) 2015-10-08 2021-11-30 Rolls-Royce Deutschland Ltd & Co Kg Diffusor for a radial compressor, radial compressor and turbo engine with radial compressor
WO2020161190A1 (fr) * 2019-02-08 2020-08-13 Norma Germany Gmbh Équerre de liaison par communication fluidique de conduits de fluide d'un véhicule
CN113227589A (zh) * 2019-02-08 2021-08-06 德国诺玛公司 流体地连接车辆的流体管路的角件
RU2783572C1 (ru) * 2019-02-08 2022-11-14 НОРМА Германи ГмбХ Угловой элемент для проточного соединения трубопроводов для текучей среды в транспортном средстве
US11098730B2 (en) 2019-04-12 2021-08-24 Rolls-Royce Corporation Deswirler assembly for a centrifugal compressor
US11286952B2 (en) 2020-07-14 2022-03-29 Rolls-Royce Corporation Diffusion system configured for use with centrifugal compressor
US11441516B2 (en) 2020-07-14 2022-09-13 Rolls-Royce North American Technologies Inc. Centrifugal compressor assembly for a gas turbine engine with deswirler having sealing features
US11815047B2 (en) 2020-07-14 2023-11-14 Rolls-Royce North American Technologies Inc. Centrifugal compressor assembly for a gas turbine engine with deswirler having sealing features
US11578654B2 (en) 2020-07-29 2023-02-14 Rolls-Royce North American Technologies Inc. Centrifical compressor assembly for a gas turbine engine
DE102021210595A1 (de) 2021-09-23 2023-03-23 Volkswagen Aktiengesellschaft Radiallüfter mit mindestens einem luftaustrittsseitig angeordneten Luftleitelement und Fahrzeugsitz mit einem solchen Radiallüfter

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