EP4500057A1 - Aufblasbare montagedichtung - Google Patents
Aufblasbare montagedichtungInfo
- Publication number
- EP4500057A1 EP4500057A1 EP23707660.9A EP23707660A EP4500057A1 EP 4500057 A1 EP4500057 A1 EP 4500057A1 EP 23707660 A EP23707660 A EP 23707660A EP 4500057 A1 EP4500057 A1 EP 4500057A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seal
- housing
- arrangement according
- opening
- fluid
- 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.)
- Pending
Links
Classifications
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H2057/0062—Tools specially adapted for assembly of transmissions
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H2057/0093—Means or measures for transport, shipping or packaging
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02078—Gearboxes for particular applications for wind turbines
Definitions
- the invention relates to an arrangement according to the preamble of claim 1, a method according to claim 8, a method according to claim 10 and a seal according to claim 12.
- Wind turbine gearboxes often have to be partially dismantled for assembly and disassembly.
- the gearbox housing is opened and the resulting opening is closed with a transport cover. Before the transport cover is attached, the housing is open. There is a risk that dirt particles will penetrate inside the gearbox.
- the invention is based on the object of preventing contamination from entering an open gearbox housing. This object is achieved by an arrangement according to claim 1, a method according to claim 8, a method according to claim 10 and a seal according to claim 12. Preferred developments are contained in the subclaims and result from the following description.
- the arrangement includes a gear, such as a wind turbine gear, and a seal.
- the transmission has a housing and at least one means arranged inside the housing.
- the interior of the housing refers to a cavity that is at least partially encapsulated by the housing. At least part of the agent is located in this cavity.
- the seal is located in a gap running between the means and the housing and is filled with a fluid subjected to excess pressure.
- Fluid refers to a liquid or a gas.
- the seal can be filled with air.
- An overpressure is a pressure that is above the ambient pressure. In this case it is a pressure that exceeds a pressure prevailing inside the housing.
- the seal is made of a material that is resilient to excess pressure.
- the seal preferably consists of an elastomer.
- the flexibility of the material causes the material to be elastically deformed and the seal to expand. This causes the seal to tense up in the gap running between the means and the housing.
- the means and the housing are pressurized along the gap through the seal. A corresponding force leads to the tensioning of the means.
- the seal Due to the tension, the seal is non-positively fixed in the gap and seals the gap. This prevents contamination from penetrating.
- the seal is characterized by the fact that it adapts its shape to the gap between the center and the housing. This makes it universally applicable. No special adjustments to the transmission are required.
- the seal completely fills the gap. This improves the sealing effect.
- the means is rotatably mounted in the housing.
- the means is, for example, a shaft or a planetary carrier.
- the seal in turn is designed to be rotationally symmetrical to an axis of rotation of the means.
- the seal can have the shape of a toroid.
- a toroid is a ring with a constant cross-section.
- the cross section is preferably circular or rectangular.
- the housing is preferably further developed with at least one opening.
- this opening can be closed with a cover.
- the housing can also consist of two or more parts, which together close the opening. If the housing parts are separated from each other, the opening is exposed accordingly.
- the seal can be inserted through the opening into the interior of the housing and placed in the gap.
- a transport cover is provided to close the opening.
- the opening is therefore closed or can be closed with the transport cover.
- a transport cover refers to a cover that is mounted on the housing for the purpose of transporting the gearbox in such a way that it closes the opening.
- the transport cover serves to close the opening in an airtight and/or oil-tight manner, while the seal is only intended as a temporary closure that protects the gearbox from contamination until the transport cover is attached.
- a method according to the invention is used to assemble and/or disassemble the development described above with a housing that has an opening. Carrying out the process requires that the seal is initially without excess pressure, i.e. before carrying out the subsequent process steps, and is located outside the housing. There may already be a fluid in the seal, such as air. However, its pressure initially corresponds to the ambient pressure.
- the seal is at least partially, preferably completely, inserted into the interior of the housing through the opening.
- the seal is then placed between the agent and the housing or in the gap. In this position the seal is filled with the fluid.
- the fluid is pressurized so that the seal between the medium and the housing becomes tense.
- the opening is then closed by the transport cover.
- the steps of the method according to the invention described above are carried out in reverse order to remove the seal. Accordingly, the seal is initially with the filled with the excess pressure fluid and clamped by the excess pressure in the gap between the means and the housing. At least part of the fluid is now drained from the seal, so that any further part of the fluid that may remain in the seal is at ambient pressure. This releases the tension of the seal between the means and the housing and the seal can be removed through the opening in a subsequent step.
- Fig. 1A shows a cross section of a transmission
- Fig. 1B is an axial view of the transmission.
- the transmission 101 shown in FIGS. 1A and 1B has a housing 103. This forms a flange 105.
- a part of the housing 103 shown in FIGS. 1A and 1B can be connected to another part, not shown, along the flange 105. The remaining part is removed for assembly and disassembly purposes. Then the transmission is opened, as shown in Figures 1A and 1B.
- a seal 107 is provided. This is between the housing se 103 and a rotatably mounted planet carrier 109 arranged and rotationally symmetrical to an axis of rotation of the planet carrier 109.
- the seal 107 is designed as an elastic ring. It can be filled with compressed air. As a result of being filled with compressed air, the seal 107 expands and is pressed against the housing 103 and the planet carrier 109. As a result, the seal 107 forms a barrier that prevents dirt from entering.
- a transport cover 111 shown in FIG. 1A seals the housing 103 in an oil-tight manner.
- the transport cover 111 is screwed to the flange 105.
- the seal 107 serves to protect the transmission from ingress of dirt until the transport cover 111 is installed. To start up the gearbox, it can be removed after the compressed air has been released.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- General Details Of Gearings (AREA)
- Sealing Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022202874.0A DE102022202874A1 (de) | 2022-03-24 | 2022-03-24 | Aufblasbare Montagedichtung |
| PCT/EP2023/054126 WO2023179987A1 (de) | 2022-03-24 | 2023-02-20 | Aufblasbare montagedichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4500057A1 true EP4500057A1 (de) | 2025-02-05 |
Family
ID=85384645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23707660.9A Pending EP4500057A1 (de) | 2022-03-24 | 2023-02-20 | Aufblasbare montagedichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12631246B2 (de) |
| EP (1) | EP4500057A1 (de) |
| CN (1) | CN119013490A (de) |
| DE (1) | DE102022202874A1 (de) |
| WO (1) | WO2023179987A1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2456614A (en) * | 1943-09-30 | 1948-12-21 | New Prod Corp | Marine reversing gear |
| US2752175A (en) * | 1950-02-09 | 1956-06-26 | Albert E Fletcher | Shaft seal |
| US3642291A (en) * | 1970-05-18 | 1972-02-15 | Goodrich Co B F | Inflatable seal |
| EP2388498B1 (de) * | 2010-05-21 | 2012-09-19 | Winergy AG | Getriebe für eine Windkraftanlage |
| JP2013060969A (ja) | 2011-09-12 | 2013-04-04 | Hitachi Constr Mach Co Ltd | オイルシール及び油圧ポンプ駆動装置 |
| ES2806749T3 (es) | 2013-10-15 | 2021-02-18 | Fm Energie Gmbh & Co Kg | Casquillo elástico para cojinetes planetarios |
-
2022
- 2022-03-24 DE DE102022202874.0A patent/DE102022202874A1/de active Pending
-
2023
- 2023-02-20 WO PCT/EP2023/054126 patent/WO2023179987A1/de not_active Ceased
- 2023-02-20 CN CN202380026843.6A patent/CN119013490A/zh active Pending
- 2023-02-20 US US18/848,543 patent/US12631246B2/en active Active
- 2023-02-20 EP EP23707660.9A patent/EP4500057A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023179987A1 (de) | 2023-09-28 |
| DE102022202874A1 (de) | 2023-09-28 |
| US12631246B2 (en) | 2026-05-19 |
| US20250198498A1 (en) | 2025-06-19 |
| CN119013490A (zh) | 2024-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE10325254C5 (de) | Montageschutzring | |
| DE2448199B2 (de) | Zentrifugenrotor | |
| DE2900610A1 (de) | Gasdruck-federelement, insbesondere fuer kofferraumhauben und hecktueren von kraftfahrzeugen | |
| EP3371019B1 (de) | Druckbegrenzungsventil | |
| EP4390186B1 (de) | Dichtungssystem für unterwasserturbine | |
| DE202016003401U1 (de) | Druckprüfvorrichtung | |
| DE2528546C2 (de) | Abdichtung für eine nichtsteigende Spindel eines Schiebers | |
| EP0478100B1 (de) | Absperrvorrichtung für eine Gasleitung | |
| EP2388498B1 (de) | Getriebe für eine Windkraftanlage | |
| WO2023179987A1 (de) | Aufblasbare montagedichtung | |
| DE69919681T2 (de) | Dichtungsanordnung mit Auftrieb für Turbomaschinenlagergehäuse | |
| EP3839299A1 (de) | Radialwellendichtung, faltenbalgflansch und montageverfahren hierfür | |
| DE102010013939A1 (de) | Schaltdom eines Zahnradwechselgetriebes | |
| DE102020002672B4 (de) | Becherförmiges Stellventil-Abschlussteil | |
| DE102018129054A1 (de) | Rotierende Pumpe | |
| DE4301293C2 (de) | Vorrichtung zum Entfernen kleiner Schmier- und Kühlflüssigkeitsleckagemengen | |
| DE102015012363A1 (de) | Wellenanordnung mit Radialwellendichtung, Betätigungsvorrichtung für ein Schaltgetriebe und Verfahren zum Abdichten des Radialspalts | |
| DE2038225C3 (de) | Drosselklappe mit aufblahbarer Ge hausedichtung | |
| DE2744172A1 (de) | Wellendichtung, insbesondere fuer grosse verdichterwellen | |
| DE3607736A1 (de) | Absperrklappe | |
| DE8612560U1 (de) | Lagergehäuse für ein zur Lagerung eines Ventilator-Laufrades dienendes Wälzlager | |
| DE102024002255B4 (de) | Antriebseinheit für ein Rührwerk mit Höhenverstellbarkeit in einem Prozessbehälter | |
| DE102019206237A1 (de) | Entlüftungsventil zum Entlüften einer Fahrzeugantriebsstrangkomponente, sowie Radkopfträger mit einem solchen Entlüftungsventil | |
| DE102021130714B3 (de) | Druckausgleichsvorrichtung sowie Bausatz mit Getriebe und Druckausgleichsvorrichtung | |
| DE102005046805A1 (de) | Scheibenbremse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| 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 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20240910 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |