WO2015028051A1 - Palier axial à air et micro-turbine à gaz - Google Patents

Palier axial à air et micro-turbine à gaz Download PDF

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Publication number
WO2015028051A1
WO2015028051A1 PCT/EP2013/067737 EP2013067737W WO2015028051A1 WO 2015028051 A1 WO2015028051 A1 WO 2015028051A1 EP 2013067737 W EP2013067737 W EP 2013067737W WO 2015028051 A1 WO2015028051 A1 WO 2015028051A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
segment
segments
axialluftlager
foil
Prior art date
Application number
PCT/EP2013/067737
Other languages
German (de)
English (en)
Inventor
Sebastian KIEßLING
Heinz Peter Berg
Christian Schumacher
Original Assignee
Lux Powertrain S.A.
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 Lux Powertrain S.A. filed Critical Lux Powertrain S.A.
Priority to PCT/EP2013/067737 priority Critical patent/WO2015028051A1/fr
Publication of WO2015028051A1 publication Critical patent/WO2015028051A1/fr

Links

Classifications

    • 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
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/08—Heating air supply before combustion, e.g. by exhaust gases
    • F02C7/10—Heating air supply before combustion, e.g. by exhaust gases by means of regenerative heat-exchangers
    • 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
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/042—Sliding-contact bearings for exclusively rotary movement for axial load only with flexible leaves to create hydrodynamic wedge, e.g. axial foil bearings
    • 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
    • F05D2240/00—Components
    • F05D2240/50—Bearings
    • F05D2240/52—Axial thrust bearings
    • 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
    • F05D2250/80—Size or power range of the machines
    • F05D2250/82—Micromachines
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/23—Gas turbine engines

Definitions

  • the invention relates to a Axialluftlager according to the preamble of claim 1 and a micro gas turbine.
  • an axial air bearing of the type mentioned is known, which has a film stack, which is composed of a variety of differently constructed films.
  • the invention begins, whose task is to provide an improved and simplified Axialluftlager ready.
  • This object is achieved according to the present invention with an axial air bearing of claim 1.
  • the invention is based on an axial air bearing with a housing component and a rotating component and an annular film stack.
  • the film stack has a number (n) of similar annular films, the number being greater than or equal to three (n> 3), and each film has:
  • the invention is based on the consideration that different functions that have to be fulfilled by a film stack within an axial air bearing can be imaged on a single film.
  • the invention is based on the finding that by realizing all the functions of a film stack of an axial air bearing in a single film, the coordination of the components of a film stack with each other is significantly simplified and in addition the manufacturing process can be realized inexpensively, since only one type of film must be produced.
  • the invention has recognized that it is possible to realize all the functions of a film stack with the aid of more than two identical films by twisting these similar films against one another, in particular turning them one after the other in the same direction, and arranging them one above the other.
  • a film stack having a sequence of functional segments which are suitable for providing the function of the axial air bearing.
  • the interruption which passes from an inner edge of the film to an outer edge of the film and is arranged between two functional ring segments, serves to interlock the films before they are twisted.
  • the concept of the invention accordingly provides to combine the function of a film stack in an axial air bearing on a single type of film and to arrange a plurality of these films one above the other in a twisted or overlapping manner. With the help of the concept, a simple and cost-effective production of axial air bearings, which are equipped with these film stacks, possible.
  • the invention also leads to a micro gas turbine according to claim 20 comprising a combustion chamber, a generator, a recuperator and a turbo group, the micro gas turbine having an axial air bearing according to the above concept.
  • an axial air bearing is advantageous in which the similar annular films have at least one support film segment, which is designed to support a spring, and at least one spring foil segment, which is designed to perform a spring function, and a tread segment configured to form part of the tread of the axial air bearing.
  • the interruption of the film is immediately adjacent to the tread segment of the film, so that the tread consists of n tread segments, each allowing the formation of an air wedge.
  • the sequence of segments in the film stack has a support film segment of one of the films on a side associated with the housing component and a tread segment of one of the other films on a side associated with the rotating component.
  • the axial air bearing has a film stack which has the same or more than four films, more preferably a number of films of four or five but otherwise between 4 and 30 films.
  • the number of functional ring segments of a film is basically not limited and is in particular at four or five but otherwise between 4 and 30 depending on the number of films.
  • the sequence of the film stack has a plurality of support film segments and / or a plurality of spring film segments. The support of the spring and the spring function itself, the axial bearing is very important. Depending on the load, different stiffnesses in the film stack can be realized via different support film segments and different spring foil segments, and the air wedge forming under the tread segment can be designed.
  • each film has a plurality of support film segments arranged side by side in the circumferential direction and a plurality of spring film segments arranged side by side
  • a sequence of the film stack can be realized in which a plurality of support film segments are arranged one above the other on the side assigned to the housing component, to which then several spring film segments follow, and finally the film stack is completed with a tread segment.
  • an optimal support of a contiguous spring region can be achieved from several spring foil segments.
  • the support film segments and spring foil segments on the film in the circumferential direction may be arranged alternately side by side. This embodiment of the foils leads to a foil stack, in which, starting with a support foil, the sequence likewise has alternating support foil segments and spring foil segments.
  • each spring foil segment can be supported individually by a support foil segment.
  • a functional ring segment has curved boundaries in the circumferential direction, in another embodiment, the boundaries of a functional ring segment in the circumferential direction but also be straight.
  • functional ring segments in their boundaries in the circumferential direction can also have functional elements, such as webs, which likewise influence the rigidity of the functional ring segments.
  • functional ring segments each have at least one inner and one outer ring segment, which are connected to one another via at least one web. In this case, both a connection of the functional ring segments with each other via a continuous formation of an outer ring segment as well as a continuous formation of an inner ring segment is possible.
  • a support foil segment of each foil has an outer ring segment and an inner ring segment, which are connected via at least one web.
  • a spring foil segment of each foil has an outer ring segment on which inwardly directed webs are arranged, whose end facing away from the outer ring segment has the shape of a ring segment and wherein the end of the webs facing away from the outer ring segment are not connected to one another.
  • the spring foil segment of each foil has an outer ring segment, on which inwardly directed webs are arranged whose end facing away from the outer ring segment has the shape of an arrowhead and wherein the ends of the webs facing away from the outer ring segment are not connected to one another.
  • the Lauffolienseg- ment of each film is constructed with an outer ring segment and an inner ring segment, which are connected via at least one web.
  • a web of the respective functional ring segment may be arranged at right angles to the outer and inner ring segment, but also all other angular relationships between 0 ° and 180 ° are within the scope of embodiments according to the invention. Also, the use of different angular relationships between web and inner or outer ring segment is the settings of desired stiffness of the respective functional ring segment.
  • a web inner and outer ring segments of the different functional ring segments can also be connected by means of any other connecting elements that are designed like a foil and are suitable to set predetermined stiffness or strength.
  • a connecting element can also be over extend the full extent of a ring segment.
  • different angular orientations of webs can be used to realize different stiffnesses and spring functions.
  • different functional segments can also be formed by means of wave profiles, grooves, openings or reinforcements such as knobs.
  • the different embodiments in turn lead to the formation of different stiffness and spring properties and influence the formation of the air wedge.
  • the axial air bearing on two housing components wherein a first housing member is formed to receive a first film stack, and a second housing member is formed to receive a second film stack.
  • a rotating component can be mounted between two housing components.
  • a film stack is attached axially or radially to a housing member by means of a fastener.
  • the films may have recesses or extensions on which the fastener can attack.
  • the housing component has a recess into which an extension of the films can be inserted.
  • Figure 1 is a schematic representation of a system of a micro gas turbine with a powerhead and a thrust bearing.
  • Figure 2 is a schematic representation of a first embodiment of an annular film of a film stack.
  • FIG. 3 shows a schematic representation of an embodiment of a film stack in a perspective plan view (FIG. 3A) and in a side view (FIG. 3B) with a film of FIG. 2;
  • FIG. 4 is a schematic representation of a housing part of a thrust bearing with a film stack according to FIG. 3 in a plan view (FIG. 4A) and a perspective view (FIG. 4B);
  • FIG. 5 in views (A) to (H) are schematic representations of various embodiments of functional ring segments
  • Fig. 6 is a schematic representation of a second embodiment of an annular film of a film stack
  • FIG. 7 shows an exemplary representation of the possibilities of a spring function formation with a film of FIG. 2 or FIG. 6;
  • FIG. 8 shows a foil stack with five foils of FIG. 6, wherein one segment type comes to lie twice in an angular range for one segment; 9 shows a first preferred selection of possibilities for fastening the films to a film carrier;
  • Fig. 10 shows a schematic representation of a housing part of a thrust bearing with a foil stack with foils according to Fig. 3 in a plan view
  • Fig. 1 shows a system of a micro gas turbine 1000 with a powerhead 1 100 include a turbo group 1 1 10, a combustion chamber 1 120 and a the Powerhead downstream recuperator 1200 for heat exchange between the exhaust and charge air of the Powerhead 1 100 and powered by the Powerhead 1 100 generator 1400.
  • the turbo group is present with a compressor wheel 1 1 1 1 for charge air LL and a turbine wheel 1 1 12 driven by fuel gas BG on coupled to a common shaft 1 1 13.
  • the shaft 1 1 13 in turn is coupled to drive the generator 1400 with a rotatably mounted in the stator of the generator rotor of the generator.
  • the shaft 1 1 13 of the turbo group 1 1 10 is presently axially and radially mounted, namely in particular in this embodiment by means of an air bearing assembly comprising a radial air bearing 1 1 14 and an axial bearing 1 1 15.
  • exhaust AG of the powerhead 1 100 is present in a direction RA along the axis A of the micro gas turbine 1000 to the recuperator 1200 supplied.
  • the recuperator 1200 is designed to preheat charge air LL conducted via a peripheral gas guide 1300 by heat exchange with the exhaust gas AG, which in turn leaves the recuperator 1200 via an exhaust gas outlet.
  • the peripheral gas guide 1300 includes a charge air supply 1310, a charge air discharge 1320, an exhaust gas supply 1330, and an exhaust gas discharge 1340.
  • the axial air bearing 1 15 here comprises two housing components, wherein a first housing member is adapted to receive a first film stack and a second housing member is adapted to receive a second film stack, and arranged between the housing components and stored with the help of the film stack part of the rotor.
  • a first housing member is adapted to receive a first film stack
  • a second housing member is adapted to receive a second film stack, and arranged between the housing components and stored with the help of the film stack part of the rotor.
  • the film 2100 shows a schematic illustration of a film 2100 of the film stack 2000 of the axial air bearing 1 1 15.
  • the film 2100 has five functional ring segments 21 10, 21 10a, 2120, 2120a, 2130 arranged next to one another.
  • the functional ring segments 21 10 and 21 10a are supporting foil segments and designed to support a spring.
  • the functional ring segments 2120 and 2120a are spring foil segments that are configured to perform a spring function.
  • the functional ring segment 2130 is finally a running surface segment.
  • the film 2100 also has an interruption 2140 located immediately adjacent the tread segment 2130.
  • the support film segment 21 10 has an outer ring segment 21 1 1 and an inner ring segment 21 13, which are connected to each other via two webs 21 12.
  • the support film segment 21 10a as well as the support film segment 21 10 performs a supporting function for springs, it has, in contrast to the support film segment 21 10 only one web between an outer ring segment and an inner ring segment.
  • the two spring foil elements 2120 and 2120a are the same design in the present embodiment.
  • the spring foil segment 2120 has an outer ring segment 2121, on which two webs 2122 and 2124 are mounted, each of which has a ring segment 2123, 2125 on its end facing away from the outer ring segment 2121.
  • the two inner ring segments 2123 and 2125 are not connected to each other.
  • the spring function of the spring foil segments 2120 and 2120a in the present embodiment is exerted by the inner ring segments 2123, 2125 and the webs 2124, 2122 connecting them to the outer ring segment 2121.
  • the continuous inner ring segments 21 13 of the support film segments support in the film stack on them mounted spring foils. Further advantageous embodiments of the ends of the webs are, for example, arrowheads.
  • the tread segment 2130 has an outer ring segment 2131 and an inner ring segment 2131, wherein both ring segments are connected via two webs 2132.
  • the tread segment 2130 forms part of the running surface of the axial air bearing in the film stack 2000 and faces a rotating component in the axial air bearing.
  • the interruption 2140 arranged alongside the tread segment ensures that an air channel can form beneath the tread segment 2130 in the film stack.
  • the arrangement of the similar films one above the other in the film stack is shown in the following figure.
  • FIG. 3A shows a film stack consisting of five similar annular foils 2100, 2200, 2300, 2400, 2500.
  • the foils are twisted against each other and overlapping each other and arranged such that a closed tread 2001 is formed, which consists of the tread segments 2130, 2230, 2330, 2430, 2530, the respective films is formed.
  • Under the tread segments can form an air wedge in the film stack. This is influenced inter alia by the rigidity of the film stack or the individual functional ring segments of the films and thus by the sequence of functional ring segments in the film stack 2000.
  • the sequence of functional ring segments in the film stack is shown in FIG. 3B by way of example at point BB in FIG. 3A.
  • the sequence of the ring segments is as follows: First, the support film segment 2410 of the film 2400 above the support film segment 2510a of the film 2500 disposed above the spring film segment 2120 of the film 2100, above this the spring film segment 2220a of the film 2200 and finally the tread segment 2330 of Film 2300.
  • This sequence of two support film segments followed by two spring film segments and finally a tread segment is the same in the illustrated embodiment at each point of the film stack in the circumferential direction.
  • all other numbers of films> 3 are also advantageous in the context of the invention. Thus, for example, be integrated by a larger number of films more functional areas and the stiffness or the spring function of the film stack are optimally adapted.
  • FIG. 4 shows a housing component 3000 of an axial air bearing in a plan view (FIG. 4A) and a perspective view (FIG. 4B) in which a film stack 2000 according to FIG. 3A is arranged. Via the bore 3010, active air and / or passive air can be supplied to the bearing for an axial thrust compensation.
  • active air and / or passive air can be supplied to the bearing for an axial thrust compensation.
  • the spring foil stack can be fixed to the housing component via the support foil segments; preferably via a fastening opening in the film stack or a similar bore, in which a bolt engages according to the principle of the example in Fig. 10.
  • the axial air bearing 1 1 15 used in the micro gas turbine 1000 of FIG. 1 has two such housing components 3000, in each of which a film stack 2000 is arranged. Between the housing components is one with part of the rotor, via which the axial bearing of the rotor is ensured.
  • FIG. 5 shows a schematic illustration of various embodiments of functional ring segments.
  • a multiplicity of formations of the functional ring segments can be used, some of which are shown by way of example in FIG. 5 at cutouts of functional ring segments.
  • functional ring segments may have a wave profile (FIG. 5A) or a serrated profile (FIG. 5B).
  • FIG. 5C shows the formation of nubs on the functional ring segment
  • FIG. 5D openings in the functional ring segment
  • FIG. 5E Another possibility for influencing the rigidity and strength of the functional ring segments is the connection of the functional ring segments with one another.
  • FIG. 5F shows various possibilities of connection. The connection is made here in each case by means of webs which can be designed with a uniform width, but also with a continuously decreasing width or with rounded outer contours.
  • the rigidity can also be achieved via different angular relationships between the webs and the inner and outer ring segments and also over the number of webs and thus the distance between the webs are influenced.
  • 5G shows examples of different arrangements of webs between inner and outer ring segments in embodiments in which functional ring segments are interconnected via a continuous inner ring segment.
  • 5H shows examples of different arrangements of webs in embodiments in which functional ring segments are connected to one another via a continuous outer ring segment.
  • FIG. 6 shows a particularly preferred foil with an arrangement of a number corresponding to the number (n) in the circumferential direction (U) juxtaposed functional ring segments 61 10, 61 10a, 61 10b, 6120 and 6130 different types, in the order mentioned next to one of a The inner edge of the film to an outer edge of the film and continuous between two functional ring segments 61 10 and 6130 arranged interruption 6001.
  • the functional ring segments 61 10a, 61 10b here each comprise only a simple segment angle range, but together (because of the same design) include these one double segment angle range.
  • FIG. 7 shows a first possibility on the functional ring segments 61 10, 61 10 a, 61 10 b, 6120 and 6130 of different types-which are shown in FIG. 6 in particular, but also in FIG. 2 in principle and in a different order-in four layers to combine four films, namely for the case that the functional ring segment 61 10c (instead of the functional ring segments 61 10a, 61 10b of FIG. 6) here only a simple segment angle range comprises.
  • FIG. 8 shows a further possibility of the functional ring segments 61 10, 6210 a, 6310 b, 6420 and 6530 of different types-which are shown in FIG. 6 in particular, but also in FIG.
  • view (A) shows a top view of the stack, in which all films are shown by different line types. This ensures that in a single segment angle range of the section shown here, a support film segment 6210a, 6310b comes to lie twice. This has advantageous effects on the stability of the film stack, since the double layer is continued over the entire peripheral region of the stack, similar to the model of the functional ring segments 6210a, 6310b.
  • FIGS. 7 and 8 show various attachment possibilities of at least one film of a film stack, in particular on a mounting base, preferably on a non-rotating housing component.
  • a first film may be fastened with a second film. Basically, the attachment of only one film may be sufficient.
  • FIG. 1 shows an example of an axial attachment of all the films of the stack by means of a continuous bolt through an opening in all films; As a result, a particularly preferred rotation of all films is achieved to each other.
  • View (B) clearly shows the possibility of fixing at least one foil, preferably any number of foils of a stack in a fastening guided along a radial extension of a foil.
  • a Einsteckbefest only the view (C) is designed in the form of a tongue and groove-like connection, in which a hook-like projection engages in a likewise hook-like formed carrier recess. This can be done by means of a fastening element and / or fastening part of a functional ring segment, in particular a support foil segment and / or a running foil segment. Also an attachment via a fastening means to a housing component, and / or to a further foil segment of another foil, and / or to a foil-different fastening. Means is within the scope of the invention.
  • the film or films can be rigidly attached or else merely held or held.
  • FIG. 10 shows an arrangement of a film stack 6000 with films according to FIG. 6 in a housing component 7000 of a thrust bearing.
  • the films of the film stack in this case have fastening openings 6800, by means of which the films can be fastened together to the housing component by means of fastening means, such as bolts (not shown here), to be introduced into the fastening openings.
  • the fastening means can be introduced into fastening openings of the housing component or otherwise secured to the housing component.
  • the housing component 7000 has holes 7010 through which active air and / or passive air can be supplied to the bearing for axial thrust compensation.
  • 2110, 2110a, 2410, 2510a support film segment 2111, 212, 2131 outer ring segment
  • 6210a, 6310b support foil segments

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Support Of The Bearing (AREA)

Abstract

L'invention concerne un palier axial à air comportant un composant de boîtier et un élément rotatif qui comprend une pile de films annulaires comportant un nombre n de films annulaires identiques avec n > 3. Chaque film comporte n segments annulaires fonctionnels de types différents disposés l'un à côté de l'autre dans la direction périphérique U ainsi qu'un passage (2140) qui s'étend de bout en bout d'un bord intérieur du film à un bord extérieur du film et qui est disposé entre deux segments annulaires fonctionnels. Les films de même type sont torsadés l'un par rapport à l'autre et disposés l'un sur l'autre de telle que la pile de films comporte dans une direction axiale A un ordre de segments qui reste le même lorsque l'on observe dans la direction périphérique, n segments identiques de différents films formant une bande de roulement d'un palier axial à air.
PCT/EP2013/067737 2013-08-27 2013-08-27 Palier axial à air et micro-turbine à gaz WO2015028051A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/067737 WO2015028051A1 (fr) 2013-08-27 2013-08-27 Palier axial à air et micro-turbine à gaz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/067737 WO2015028051A1 (fr) 2013-08-27 2013-08-27 Palier axial à air et micro-turbine à gaz

Publications (1)

Publication Number Publication Date
WO2015028051A1 true WO2015028051A1 (fr) 2015-03-05

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019202572A1 (de) * 2019-02-26 2020-08-27 Robert Bosch Gmbh Oberfolie und Axial-Folienlager
DE102019202573A1 (de) * 2019-02-26 2020-08-27 Robert Bosch Gmbh Axial-Folienlager
WO2021001016A1 (fr) * 2019-07-01 2021-01-07 Bladon Jets Holdings Limited Palier de butée à feuilles souples
WO2024078773A1 (fr) * 2022-10-13 2024-04-18 Robert Bosch Gmbh Feuille pour palier à feuille axial, palier à feuille axial et compresseur avec palier à feuille axial

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082375A (en) 1976-12-17 1978-04-04 United Technologies Corporation Dual wedge fluid thrust bearing including wave spring
US5961217A (en) * 1997-03-28 1999-10-05 Mohawk Innovative Technology, Inc. High load capacity compliant foil hydrodynamic thrust bearing
JP2003148461A (ja) * 2001-11-15 2003-05-21 Mitsubishi Heavy Ind Ltd 動圧型気体軸受及び動圧型気体軸受を備えたマイクロガスタービン
EP1337761B1 (fr) 2000-11-15 2006-12-27 Capstone Turbine Corporation Palier de butee a film souple
WO2013028507A2 (fr) * 2011-08-24 2013-02-28 Borgwarner Inc. Agencement de palier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082375A (en) 1976-12-17 1978-04-04 United Technologies Corporation Dual wedge fluid thrust bearing including wave spring
US5961217A (en) * 1997-03-28 1999-10-05 Mohawk Innovative Technology, Inc. High load capacity compliant foil hydrodynamic thrust bearing
EP1337761B1 (fr) 2000-11-15 2006-12-27 Capstone Turbine Corporation Palier de butee a film souple
JP2003148461A (ja) * 2001-11-15 2003-05-21 Mitsubishi Heavy Ind Ltd 動圧型気体軸受及び動圧型気体軸受を備えたマイクロガスタービン
WO2013028507A2 (fr) * 2011-08-24 2013-02-28 Borgwarner Inc. Agencement de palier

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019202572A1 (de) * 2019-02-26 2020-08-27 Robert Bosch Gmbh Oberfolie und Axial-Folienlager
DE102019202573A1 (de) * 2019-02-26 2020-08-27 Robert Bosch Gmbh Axial-Folienlager
WO2021001016A1 (fr) * 2019-07-01 2021-01-07 Bladon Jets Holdings Limited Palier de butée à feuilles souples
CN114502850A (zh) * 2019-07-01 2022-05-13 布雷顿喷气控股有限公司 弹性箔片推力轴承
JP2022549054A (ja) * 2019-07-01 2022-11-24 ブレイドン ジェッツ ホールディングス リミテッド コンプライアントフォイルスラストベアリング
US11859659B2 (en) 2019-07-01 2024-01-02 Bladon Jets Holdings Limited Compliant foil thrust bearing
WO2024078773A1 (fr) * 2022-10-13 2024-04-18 Robert Bosch Gmbh Feuille pour palier à feuille axial, palier à feuille axial et compresseur avec palier à feuille axial

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