With Wedge Adjustment Patents (Class 384/267)
  • Patent number: 9644673
    Abstract: A bearing assembly comprising: (a) an inner journal for supporting a shaft and having a frusto-conical contact surface facing radially outwardly; (b) an outer journal surrounding at least part of the inner journal and having a frusto-conical contact surface which faces radially inwardly; and (c) an adjustment feature for adjusting the axial location of the inner journal relative to the outer journal.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: May 9, 2017
    Assignee: AKTIEBOLAGET SKF
    Inventors: Andrew Bell, Paul Chance, Michael Colton, Will Curry
  • Patent number: 5772334
    Abstract: A hydrodynamic fluid film bearing in which a plurality of circumferentially spaced bearing elements are provided, defining areas of support for the rotating part of the bearing. At least some of the bearing elements are adjustable during operation to vary lubrication conditions in the fluid film. The bearing elements are of sufficiently high stiffness that the position of the entire bearing surface of each element is essentially independent of the pressure in the fluid film encountered during operation.The bearing allows complete control of the lubrication conditions and can be adjusted for optimum performance over a wide range of speed and load.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: June 30, 1998
    Assignee: British Technology Group Limited
    Inventors: David Walter Parkins, James Keith Martin
  • Patent number: 5326222
    Abstract: In an axial flow gas turbine, the outlet blading followed by an exhaust casing (5) whose boundary walls essentially comprise a ring-shaped inner part (6) at the hub and a ring-shaped outer part (7) which delimit a diffusor (9). The outlet-end bearing arrangement (4, 11) of the turbomachine is arranged in the hollow space within the inner part. The bearing casing (11) can be repositioned by adjustment elements (12) arranged on the inner part (6) of the exhaust casing and is supported on the foundation via at least one sprung support (15).
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: July 5, 1994
    Assignee: Asea Brown Boveri Ltd.
    Inventors: Kamil Matyscak, Michael Muller
  • Patent number: 4957375
    Abstract: A shaft is guided axially with respect to position and clearance in a bearing flange. The guidance is adjustable by means of guiding pieces engaging a turned groove of the shaft. The groove has oblique conical sidewalls, and each guiding piece by radial adjustment limits the axial position of a respective sidewall.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: September 18, 1990
    Assignee: Kern & Co. AG
    Inventor: Dieter Hoffmann
  • Patent number: 4576503
    Abstract: In a torque transmitting assembly including a driven member and a driving member, one having teeth thereon extending parallel to the rotational axis and the other having teeth thereon extending obliquely to the rotational axis, an annular member is interposed which also has teeth which are parallel to the rotational axis and oblique to the rotational axis for engaging with the corresponding teeth of the driving and driven members in order to place them in torque transmitting engagement with each other. The annular member is formed from a deformable metallic material and the obliquely extending teeth extend relative to the parallel teeth at an angle of between 15.degree. and 45.degree..
    Type: Grant
    Filed: December 8, 1983
    Date of Patent: March 18, 1986
    Assignee: Uni-Cardan Aktiengesellschaft
    Inventor: Michel A. Orain
  • Patent number: 4550955
    Abstract: The pretensioning element serves to elevationally position or pretension or bias a circulation track bearing member. In order to reduce the requirements imposed upon the support and mounting surfaces during manufacture, with regard to alterations in parallelism during pretension adjustment and during load changes, that is in the range of elastic deformation, there is provided a housing which comprises at least one guide track. Two wedge members are displaceably guided in the guide track by means of tightening screws or bolts. The wedge members contain first wedge surfaces. A support plate is provided and comprises two second wedge surfaces which cooperate with the first wedge surfaces of the wedge members.
    Type: Grant
    Filed: October 26, 1984
    Date of Patent: November 5, 1985
    Assignee: Werkzeugmaschinenfabrik Oerlikon-Buhrle AG
    Inventors: Erich Grabher, Max Muller, Horst Wetzel, Robert Schultschik
  • Patent number: 4423541
    Abstract: A rolling mill roll having adjustable axial compliance is formed by a sleeve in the bore of which is located a stiffening arbor. The arbor is an interference fit with the bore of the sleeve over a limited central part of the roll but on each side of that central part is stepped in diameter to form, at each side, a divergent stepped space between arbor and sleeve. That space is occupied by a number of annular wedges which normally do not give support to the sleeve. At each end of the roll there is a hydraulic actuator which applies axial force to the wedges at that side and expand the wedges progressively against the sleeve. By varying the force applied by each actuator the number of wedges supporting the sleeve can be adjusted, thereby to vary the length of the sleeve supported by the arbor.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: January 3, 1984
    Assignee: Davy-Loewy Limited
    Inventor: Robert Marshall