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1. WO2022023023 - HYDRODYNAMIC RADIAL TILTING PAD BEARING

Publication Number WO/2022/023023
Publication Date 03.02.2022
International Application No. PCT/EP2021/069474
International Filing Date 13.07.2021
IPC
F16C 17/03 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
17Sliding-contact bearings for exclusively rotary movement
02for radial load only
03with tiltably-supported segments, e.g. Michell bearings
F16C 33/10 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
33Parts of bearings; Special methods for making bearings or parts thereof
02Parts of sliding-contact bearings
04Brasses; Bushes; Linings
06Sliding surface mainly made of metal
10Construction relative to lubrication
CPC
F16C 17/03
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
17Sliding-contact bearings for exclusively rotary movement
02for radial load only
03with tiltably-supported segments, e.g. Michell bearings
F16C 2360/23
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
2360Engines or pumps
23Gas turbine engines
F16C 33/108
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
33Parts of bearings; Special methods for making bearings or parts thereof
02Parts of sliding-contact bearings
04Brasses; Bushes; Linings
06Sliding surface mainly made of metal
10Construction relative to lubrication
1025with liquid, e.g. oil, as lubricant
106Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
108with a plurality of elements forming the bearing surfaces, e.g. bearing pads
Applicants
  • SIEMENS ENERGY GLOBAL GMBH & CO. KG [DE]/[DE]
Inventors
  • HOFMANN, Andreas
  • LEIDINGER, Bernd
Priority Data
10 2020 209 611.230.07.2020DE
Publication Language German (de)
Filing Language German (DE)
Designated States
Title
(DE) HYDRODYNAMISCHES RADIAL-KIPPSEGMENTLAGER
(EN) HYDRODYNAMIC RADIAL TILTING PAD BEARING
(FR) PALIER HYDRODYNAMIQUE À PATINS OSCILLANTS RADIAUX
Abstract
(DE) Die Erfindung betrifft ein Hydrodynamisches Radial- Kippsegmentlager (1) zur Lagerung einer Welle (2) umfassend einen, die Welle (2) radial umschließenden Tragring (3) und mehrere an einer Innenwandung (4) des Tragrings (3) angeordnete und voneinander beabstandete Kippsegmente (5) wobei beidseitig einer Kippachse (8), zwischen der Innenwandung (4) des Tragrings (3) und einer Kippsegmentrückseite (7) des Kippsegments (5) auf Grund der unterschiedlichen Krümmung von Kippsegmentrückseite (7) und Innenwandung (4) des Tragrings (3) Spalten (9) ausgebildet sind, welche mit einer Lagerflüssigkeit gefüllt sind. Bei einem Kippen des Kippsegments (5) wird Lagerflüssigkeit aus dem sich durch die Kippbewegung verengenden Spalt (9) gedrückt und in den sich durch die Kippbewegung erweiterten Spalt (9) hineingesaugt. Durch bauliche Maßnahmen wird der Strömungswiederstand der Lagerflüssigkeit beim Herausdrücken und Hineinsaugen in die Spalten (9) erhöhen und dadurch die Kippbewegung des Kippsegments (5) gedämpft.
(EN) The invention relates to a hydrodynamic radial tilting pad bearing (1) for mounting a shaft (2) comprising a supporting ring (3) radially enclosing the shaft (2) and a plurality of tilting pads (5) arranged on an inner wall (4) of the supporting ring (3) and spaced apart from one another, wherein on both sides of a tilting axis (8), between the inner wall (4) of the supporting ring (3) and a tilting pad reverse side (7) of the tilting pad (5), gaps (9) are formed as a result of the different curvature of the tilting pad reverse side (7) and the inner wall (4) of the supporting ring (3), said gaps being filled with a bearing liquid. When the tilting pad (5) is tilted, bearing liquid is forced out of the gap (9), which is narrowing as a result of the tilting movement, and is sucked into the gap (9), which is expanding as a result of the tilting movement. The flow resistance of the bearing liquid increases as a result of structural measures as the bearing liquid is forced out of and sucked into the gaps and the tilting movement of the tilting pad (5) is thereby damped.
(FR) L'invention concerne un palier hydrodynamique à patins oscillants radiaux (1) pour le montage d'un arbre (2) comprenant une bague de support (3) entourant radialement l'arbre (2) et plusieurs patins oscillants (5) disposés sur une paroi intérieure (4) de la bague de support (3) et espacés les uns des autres, où, de part et d'autre d'un axe d'oscillation (8), entre la paroi intérieure (4) de la bague de support (3) et un côté arrière de patin oscillant (7) du patin oscillant (5), des espaces (9) sont formés en raison de la différence de courbure entre le côté arrière de patin oscillant (7) et la paroi intérieure (4) de la bague de support (3), lesdits espaces étant remplis d'un liquide de palier. Lorsque le patin oscillant (5) est incliné, le liquide de palier est poussé hors de l'espace (9), qui se rétrécit suite au mouvement d'inclinaison, et est aspiré dans l'espace (9), qui se dilate suite au mouvement d'inclinaison. La résistance à l'écoulement du liquide de palier augmente suite à des mesures structurelles lorsque le liquide de palier est expulsé et aspiré dans les espaces et le mouvement d'oscillation du patin oscillant (5) est ainsi amorti.
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