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WO1998035873A1 - Palier lisse, notamment pour monter le panneau de cale d'un navire - Google Patents

Palier lisse, notamment pour monter le panneau de cale d'un navire

Info

Publication number
WO1998035873A1
WO1998035873A1 PCT/EP1998/000842 EP9800842W WO9835873A1 WO 1998035873 A1 WO1998035873 A1 WO 1998035873A1 EP 9800842 W EP9800842 W EP 9800842W WO 9835873 A1 WO9835873 A1 WO 9835873A1
Authority
WO
WIPO (PCT)
Prior art keywords
sliding block
sliding
intermediate element
bearing according
plain bearing
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.)
Ceased
Application number
PCT/EP1998/000842
Other languages
German (de)
English (en)
Inventor
Jochen Corts
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO1998035873A1 publication Critical patent/WO1998035873A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/002—Elastic or yielding linear bearings or bearing supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
    • B63B19/12—Hatches; Hatchways
    • B63B19/14—Hatch covers
    • 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
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/02—Sliding-contact bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
    • B63B19/12—Hatches; Hatchways
    • B63B19/14—Hatch covers
    • B63B19/18—Hatch covers slidable
    • B63B2019/185—Hatch covers slidable with sliding bearings
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/30—Ships, e.g. propelling shafts and bearings therefor

Definitions

  • Plain bearings in particular for storing a hatch cover on a ship
  • the present invention relates to a slide bearing, in particular for mounting a hatch cover on a ship, with a load-side upper bearing section and a bearing which supports it, which has a base plate which can be fastened to a supporting body and a sliding block mounted thereon with a sliding bearing (1 6) has, which is in flat contact with an underside of the upper bearing section in operation.
  • Such plain bearings are used on ships to store hatch covers. Very large bearing forces are often to be transferred from a hatch cover to a hull by means of the plain bearing, in particular when deck loads, for example containers, are being driven on the hatch covers.
  • deck loads for example containers
  • hatch covers During storage, there are regular relative movements between the hatch cover and the hull, which are transmitted to the upper bearing section fastened to the hatch cover, which is often referred to as the counterplate, and to the base plate fastened to the coals.
  • Such relative movements can be caused, for example, by movements of the hatch cover when opening and closing and by deformations of the hatch cover or of the entire ship's hull at sea.
  • the relative movements are primarily pushing and tilting movements between the bearing partners, namely the upper section of the bearing and the support.
  • the transfer of the transferred material is i.a. due to the fact that it adheres poorly to the upper bearing section, since there is usually dirt on the underside of the bearing section.
  • the material exfoliates as a result of the mechanical action due to the frictional forces generated during the pushing movement.
  • Material detached from the upper storage section is generally replaced again by retransmission of material of the sliding support. This creates a large amount of material from the sliding pad over time, which results in a short service life of the sliding bearing.
  • the plain bearing of the type mentioned at the outset has the disadvantage that larger positional deviations of the upper bearing section relative to the lower base plate, caused by a tilting movement, compared to a normal position in which the upper bearing section and the base plate are arranged essentially parallel the plain bearing can be compensated poorly, since it is quite rigid overall despite a certain elasticity of the sliding pad.
  • Such a positional deviation or inclination of the upper bearing section relative to the lower base plate can be caused by deformations of the entire ship's hull at sea when the waves are strong and / or by deformations of the hatch covers loaded with large loads. It can have the consequence that very large surface pressures and thus material loads occur locally on the contact surface between the sliding support and the upper bearing section.
  • an elastic block which is referred to as "Flexipad”
  • the elastic block lies with its underside facing away from the hatch cover on the fill side on a flat plate.
  • a sliding movement to compensate for thrust movements between the bearing partners is not possible with this bearing. Rather, thrust movements between the bearing partners have to be absorbed solely because of the elasticity of the flexible block.
  • the block can be loaded with extreme shear stresses; all of the shear deformation must be compensated for by the flexible block. This leads to extreme stress on the block.
  • Another plain bearing offered by a company “Bakker Rubber” as “rubber plain bearing” represents a combination of a plain bearing of the type mentioned above and a previously described bearing with a flexible block.
  • This bearing has between an upper bearing section and the top of the rubber block a sliding surface for a sliding movement and enables a tilting movement and inclination of the upper bearing section relative to a lower base plate.
  • a PTFE layer is provided on the top of the flexible block as a sliding layer between the bearing partners, this bearing causes the above-described detachment of material from the sliding layer and a transfer of detached material to the upper layer Bearing section from which the transferred PTFE then detaches again. The result is a short downtime of the warehouse.
  • the present invention has for its object to provide a plain bearing of the type mentioned, which largely avoids the disadvantages of the prior art, has long service life and enables sliding and tilting movements between the parts to be stored.
  • the object is achieved in a bearing of the type mentioned in that the sliding block is movably mounted on the base plate by means of an elastic intermediate element arranged between the base plate and sliding block, and that on the underside of the upper bearing section which is in contact with the sliding support Layer of polytetrafluoroethylene (PTFE) is permanently attached.
  • PTFE polytetrafluoroethylene
  • transverse movements and tilting movements between a hatch cover and the sill which can result from larger elastic deformations of the entire ship's hull and / or the hatch cover, can be flexibly compensated for.
  • the elastic intermediate element and the sliding block cooperate in such a way that an inclination of the bearing partners and a smaller transverse movement of the elastic intermediate element are compensated for by an elastic deformation of the intermediate element, while a stronger transverse movement with larger deflections of the bearing partners relative to one another is compensated for by a sliding movement. Due to this interaction of the sliding block and the intermediate element, the latter is only subjected to a limited shear stress.
  • positional inaccuracies of the components of the bearing and of the hatch cover and of the coals caused by manufacturing tolerances are also easily compensated for with the plain bearing according to the invention.
  • the permanent attachment of a defined PTFE layer on the underside of the upper bearing section ensures that the PTFE does not only stick there for a short time - as in the prior art - but also permanently from the beginning, and thus removes material from the glide -
  • the circulation of the support is reduced. This results in a longer service life for the plain bearing, since wear on the plain bearing is significantly reduced.
  • the permanent attachment of the defined PTFE layer has the advantage that the upper bearing section is provided with a protective layer that protects against corrosion.
  • a particularly preferred embodiment of the invention is characterized in that the elastic intermediate element is essentially designed as a rubber block and the sliding block on the one hand and the base plate on the other are vulcanized onto the rubber block.
  • a rubber block is resistant to sea water and can easily be permanently connected to the sliding block and the base plate by vulcanization.
  • the rubber block is reinforced with rigid inserts which have a significantly greater strength relative to the rubber. With the help of the inserts embedded in the rubber block, the elastic behavior of the intermediate element can be influenced in order to be able to adapt the slide bearing according to the invention to the respective storage conditions of the individual case.
  • the inserts are advantageously designed as plates made of steel, expediently stainless steel.
  • the PTFE layer attached to the underside of the upper bearing section has a thickness of several micrometers and completely covers the underside.
  • a PTFE layer of this small thickness is sufficient to achieve the advantages according to the invention, in particular to reduce wear. By completely covering the underside, it is also protected against corrosion or dirt.
  • a further, particularly preferred embodiment of the invention is characterized in that the sliding block for fastening the sliding support has recesses which are filled with the material of the sliding support. Due to the recesses filled with the material of the sliding pad, the sliding pad is firmly connected to the sliding block.
  • the recesses are designed such that there is a positive connection between the material of the sliding support and the sliding block. Detachment of the sliding support from the sliding block can be avoided in this way. Even if extreme frictional forces occur in the area of the contact surface between the sliding support and the PTFE layer of the upper bearing section, the connection between the sliding support and the sliding block remains.
  • the recesses of the sliding block are designed as through bores which have chamfers on their side facing the intermediate element. With the aid of the through bores provided with chamfers, a positive connection can be produced in a manner which is particularly favorable in terms of production technology. The material of the sliding pad is thus firmly anchored to the sliding block.
  • an alternative embodiment of the invention is characterized in that the sliding block consists essentially of bronze or a bronze alloy and the sliding layer essentially consists of polytetrafluoroethylene (PTFE).
  • PTFE polytetrafluoroethylene
  • a further preferred embodiment consists in that at least two projecting holding plates, which are arranged essentially parallel and spaced apart from one another, are fastened to the base plate, between which the intermediate element and the sliding block are arranged.
  • the holding plates ensure that the sliding block and the elastic intermediate element are supported laterally when they are deflected widely under extreme loads. In this way, the bearing is protected from damage.
  • the sliding block is detachably connected to the elastic intermediate element. This results in the advantage that the sliding block, as a component that is particularly exposed to wear, can be replaced in a simple manner after a certain operating time in order to insert a new sliding block or to provide the sliding block with a new sliding support.
  • a preferred releasable connection between the sliding block and the intermediate element can be realized in that the sliding block has at least one projection which, in the assembled state, is arranged essentially within a recess formed in the elastic intermediate element.
  • the arrangement of the projection in the recess ensures a secure connection between the components that can withstand the greatest loads.
  • the sliding block is connected to the elastic intermediate element by means of at least one bolt, which is inserted through a recess formed in the projection.
  • the intermediate element on its side facing the sliding block is provided with a cover plate, which on the one hand provides protection for the elastic intermediate element and at the same time provides a manufacturing advantage in which the elastic intermediate element can be separated from a mold in a simple manner.
  • the cover plate is glued to the elastic intermediate element or firmly connected to it by vulcanization.
  • FIG. 1 shows a slide bearing according to the invention for the storage of ship hatch covers in a schematic sectional illustration
  • FIG. 2 shows a sliding block of the sliding bearing shown in FIG. 1 with sliding
  • FIG. 3 shows a plan view of the sliding block shown in FIG.
  • Figure 4 shows an alternative embodiment of an inventive
  • Figure 5 is a further sectional view of the plain bearing shown in Figure 4.
  • Figure 6 is a further sectional view from above of the plain bearing shown in Figures 4 and 5.
  • the slide bearing 1 shown in a sectional view in FIG. 1 is arranged between a hatch cover 2 to be stored and a sill 4 serving as a supporting body, which extends along the upper edge of a hatch opening of a ship.
  • the sliding bearing 1 essentially comprises an upper bearing section 6, a sliding block 8 arranged below the upper bearing section 6, an elastic intermediate element 10 arranged under the sliding block 8, and a lower base plate 1 2 which is fastened to the coals 4.
  • the upper bearing section 6, which is sometimes referred to as a counter plate, is welded to the hatch cover 2, while the base plate 1 2 is screwed to the casing 4 by means of bolts (not shown).
  • the plate-shaped, preferably made of stainless steel upper bearing section 6 is provided on its flat underside with a layer 14 made of polytetrafluoroethylene (PTFE), which is permanently attached to the upper bearing section 6 and has a defined thickness of several micrometers. It completely covers the underside of the upper bearing section 6.
  • the layer 14 can be evaporated onto the surface of the upper bearing section 6 or applied in liquid form, for example sprayed on, and then harden.
  • the sliding block 8 shown separately and enlarged in FIG. 2 is movably mounted and fastened to the base plate 1 2 by means of the intermediate element 10, cf. Fig. 1.
  • the sliding block 8 comprises a base body or holding frame made of bronze or a bronze alloy and a sliding pad 1 6 fastened to the holding frame, which is in contact with the upper bearing section 6 in the installed state of the sliding bearing.
  • the sliding pad 1 6 is made of polytetrafluoroethylene (PTFE); alternatively, it can be made of another material that has good sliding properties and a similar elasticity as PTFE.
  • PTFE polytetrafluoroethylene
  • the slide bearing according to the invention can also be installed “upside down” in such a way that the counterplate is attached to the coals 4 and the base plate 1 2 with the elastic intermediate element 10 and the sliding block 8 to the hatch cover 2.
  • a plurality of recesses are formed in the sliding block 8 for fastening the sliding support 1 6 and are filled with the material of the sliding support 1 6.
  • the recesses are designed as cylindrical through bores 18, which are arranged parallel to one another and in several rows.
  • the through bores 1 8 can be arranged offset to one another.
  • the through bores 1 8 have bevels 20 on the underside of the sliding block 8, which are also completely filled with the material of the sliding pad 1 6, in the exemplary embodiment PTFE.
  • the chamfers 20 form a positive connection between the sliding pad 1 6 and the sliding block 8.
  • the sliding block 8 has a peripheral edge 22 which forms a lateral boundary and ensures that the optionally flowable material of the sliding support 16 is laterally delimited.
  • the shown in Fig. 1 and arranged between the base plate 1 2 and the sliding block 8 elastic intermediate element 1 0 is formed as a block of rubber and ensures due to its elasticity for a movable mounting of the sliding block 8 relative to the base plate 1 2 attached to the Süll 4th Base plate 1 2 and sliding block 8 are vulcanized onto the rubber block and can alternatively be glued to the rubber block.
  • the top of the intermediate element 10 is in surface contact both with the material (PTFE) of the sliding pad 1 6 and with the sliding block 8 made of bronze with through holes.
  • rigid inserts 23 are inserted, which have a greater strength than the rubber and form a reinforcement.
  • the inserts 23 are designed as steel plates arranged parallel to one another.
  • the elastic intermediate element 10 Due to its elasticity, the elastic intermediate element 10 enables compression under high loads, a tilting movement and inclination of the sliding block 8 relative to the base plate 1 2 and the sill 4 out of its parallel position shown in FIG. 1 relative to the base plate 1 2, as well as a transverse movement of the sliding block 8 - in Fig. 1 - essentially to the "right” and "left". During such a transverse movement, the elastic intermediate element 10 is acted upon by transverse forces and corresponding shear stresses in addition to normal forces and normal stresses.
  • the movable mounting of the sliding block 8 by means of the elastic intermediate element 10 enables the entire sliding bearing to be adapted to inaccuracies in the position of the upper bearing section 6 (counter plate) relative to the base plate 1 2, which are caused by manufacturing inaccuracies and by deformations of the hatch cover 2 and the sill 4 can be caused by deformation of the entire hull.
  • the flexible mounting of the sliding block 8 ensures that a substantially flat contact between the sliding pad 1 6 and the layer 1 4 on the underside of the upper bearing section 6 is always realized.
  • the alternative embodiment of a slide bearing according to the invention shown in Figure 4 is similar to the slide bearing described above, so that the same reference numerals describe the same parts and reference is made to the previous statements.
  • the slide bearing shown in FIGS. 4 to 6 differs from the slide bearing described above in that the slide block 8 is detachably connected to the elastic intermediate element 10.
  • the sliding block 8 has, on its underside facing the elastic intermediate element 10, 2 tab-like projections 26 which are formed in one piece with the sliding block 8 and have a cylindrical recess 30.
  • the projections 26 each lie within a recess which is formed in the elastic intermediate element 10. Through the recesses 30 formed in the projections 26, bolts 28, cf. Figure 5, inserted through, which are secured by nuts 34.
  • a snap ring 36 is disposed in an end portion of the bolt 28, and the nut 36 can additionally be secured by an adhesive.
  • a cover plate 32 is arranged on the upper side of the elastic element 10 facing the sliding block 8 and is permanently connected to it, for example by an adhesive connection or by vulcanization. The cover plate 32 is adapted in the region of the projections 26 to their outer contour. As illustrated in FIG. 5, the bolts 28 are inserted through sleeves 38, which are arranged within the elastic intermediate element 10, as can also be seen from FIG.
  • FIG. 6 shows in a sectional view that the inserts 23 within the elastic intermediate element 10 in the region of the recesses receiving the projections 26 of the sliding block 8 are divided into several sections 40, 42, 44 (in the sectional plane according to FIG. 6).
  • the sections 40 , 42, 44 are connected to one another by means of adhesive strips 46.
  • Figure 6 illustrates that the projections 26 are arranged centrally on the sliding block 8 and centrally relative to the elastic intermediate element 10.
  • the base plate 1 2 can preferably be fastened with bores 48 to the coals 4 or can be welded on.
  • the weight of the hatch cover 2 and any additional weight forces of deck cargo arranged on the hatch cover 2 is essentially as normal force from the upper bearing section 6 via a substantially in one plane contact surface between the Layer 14 made of PTFE and the sliding pad 1 6 on the sliding block 8 and from this by means of the intermediate element 10 to the base plate 1 2 and transferred from this to the Süll 4.
  • substantial transverse forces acting essentially in the contact area can arise between hatch cover 2 and sullion 4, which are transmitted by the slide bearing 1 and can lead to deformation of the elastic intermediate element 10 transversely to the normal force direction .
  • a sliding movement can occur in the contact area between the layer 14 and the sliding support 16.
  • tilting movements can occur between the upper bearing section 6 and the base plate 1 2, which are essentially compensated for by the elastic intermediate element 1 0.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Closures For Containers (AREA)
  • Support Of The Bearing (AREA)

Abstract

Ce palier lisse, utile notamment pour monter un panneau de cale (2) sur un navire, comprend une section supérieure (6) côté charge et un support qui porte ladite section. Une plaque de base (12) peut être assujettie à un corps de support et un coulisseau (8) est monté sur celle-ci. Le coulisseau (8) est pourvu d'un revêtement lisse (16) qui pendant le fonctionnement du palier est en contact sur toute sa surface avec la face inférieure de la section supérieure (6) du palier. Le coulisseau (8) est monté mobile sur la plaque de base (12) au moyen d'un élément intermédiaire élastique situé entre la plaque de base (12) et le coulisseau (8). Une couche (14) en polytétrafluoroéthylène (PTFE) est fixée à demeure à la face inférieure de la section supérieure (6) du palier en contact avec le revêtement lisse (16).
PCT/EP1998/000842 1997-02-13 1998-02-13 Palier lisse, notamment pour monter le panneau de cale d'un navire Ceased WO1998035873A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29702457.4 1997-02-13
DE29702457U DE29702457U1 (de) 1997-02-13 1997-02-13 Gleitlager, insbesondere zur Lagerung eines Lukendeckels auf einem Schiff

Publications (1)

Publication Number Publication Date
WO1998035873A1 true WO1998035873A1 (fr) 1998-08-20

Family

ID=8035861

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/000842 Ceased WO1998035873A1 (fr) 1997-02-13 1998-02-13 Palier lisse, notamment pour monter le panneau de cale d'un navire

Country Status (2)

Country Link
DE (2) DE29702457U1 (fr)
WO (1) WO1998035873A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7621202B2 (en) 2007-02-23 2009-11-24 Frank's Casing Crew & Rental Tool, Inc. Method and apparatus for forming tubular connections
WO2010070450A2 (fr) 2008-12-15 2010-06-24 Jochen Corts Paliers composites segmentés et générateur éolien utilisant une combinaison pompe hydraulique/moteur

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DE10115370A1 (de) * 2001-03-28 2002-10-10 Ina Schaeffler Kg Dämpfungselement
FI20075380A0 (fi) * 2007-05-28 2007-05-28 Teknikum Oy Laivan lastiluukun joustava kannatin

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WO1995001903A1 (fr) * 1993-07-07 1995-01-19 Macor Marine Systems International Gmbh Palier lisse, notamment pour le panneau de cale a bord de navires
DE4431584A1 (de) * 1994-09-05 1996-03-07 Josua Corts Sohn Lagerbock, insbesondere zur Anwendung bei einem Schiffskörper

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Publication number Priority date Publication date Assignee Title
US3484882A (en) * 1967-10-02 1969-12-23 Structural Bearing Co Structural bearing pad assembly
US3782788A (en) * 1970-12-24 1974-01-01 Kober Ag Movable and tiltable bearing, especially for bridges
US3924907A (en) * 1974-10-29 1975-12-09 Felt Products Mfg Co Bearing pad and bridge construction
GB1506094A (en) * 1975-09-24 1978-04-05 Gutehoffnungshuette Sterkrade Bearings
DE3732889C1 (en) * 1987-09-30 1989-02-02 Belzona Verfahrenstech Bastian Support for ship's hatch covers
DE4337365A1 (de) * 1992-10-30 1994-05-26 Jochen Corts Lagerbock, insbesondere zur Anwendung bei einem Schiffskörper
WO1995001903A1 (fr) * 1993-07-07 1995-01-19 Macor Marine Systems International Gmbh Palier lisse, notamment pour le panneau de cale a bord de navires
DE4431584A1 (de) * 1994-09-05 1996-03-07 Josua Corts Sohn Lagerbock, insbesondere zur Anwendung bei einem Schiffskörper

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7621202B2 (en) 2007-02-23 2009-11-24 Frank's Casing Crew & Rental Tool, Inc. Method and apparatus for forming tubular connections
WO2010070450A2 (fr) 2008-12-15 2010-06-24 Jochen Corts Paliers composites segmentés et générateur éolien utilisant une combinaison pompe hydraulique/moteur
WO2010070450A3 (fr) * 2008-12-15 2011-08-11 Jochen Corts Paliers composites segmentés et générateur éolien utilisant une combinaison pompe hydraulique/moteur
US8882355B2 (en) 2008-12-15 2014-11-11 Jochen Corts Segmented composite bearings and wind generator utilizing hydraulic pump/motor combination

Also Published As

Publication number Publication date
DE19805765A1 (de) 1998-08-20
DE29702457U1 (de) 1998-06-18

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