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| Number | Title | Issue Date |
| 7758247 | Journal bearing having surface-contact retained shoes A journal bearing, and a method of using the same, that prohibits relative movement between an aligning ring and the bearing shoes in the axial direction through the use of surface contact instead of retaining plates. In one aspect, the surface contact can be achiev... | 07/20/2010 |
| 7611286 | Journal bearing arrangement A tilting pad journal bearing, an annular housing for an array of arcuate bearing pads resiliently mounted by spring means which biases the pads against heads of restraining bosses that limit radial displacement and cause the bearing pads to define a shaft space. Th... | 11/03/2009 |
| 7275872 | Adjustable bearing A bearing that can be reoriented to move its center is disclosed. The center of the bearing is offset from the center of its outer housing. Should the shaft extending through the bearing need to be raised or lowered the outer housing is simply rotated in its recepta... | 10/02/2007 |
| 7237957 | Journal bearing having self-retaining shoes and method of using the same to support a rotating shaft A journal bearing, and a method of using the same, that utilizes self-retaining bearing shoes that prohibit relative movement between an aligning ring and the bearing shoes in the axial direction. In one aspect, the invention comprises an aligning ring; at least one... | 07/03/2007 |
| 6964521 | Compliant linear bearing A bearing outer shell encases a self-lubricating polymeric bearing pad material concentrically therein. A helical spring applies a force through from the outer shell, through the bearing pad material, and onto a shaft when the bearing is installed on a shaft. An ela... | 11/15/2005 |
| 6767133 | Tilting pad bearing arrangement A tilting pad bearing arrangement (10) (FIG. 1(a)) includes an array of bearing pads (15i) supported on a carrier (16). For each pad, the carrier pad surfaces have cylindrically concave recesses (28i... | 07/27/2004 |
| 6443621 | Tilting pad thrust bearing arrangement A tilting pad thrust bearing arrangement (10, FIG. 1(b)) consists of an annular backing ring (12) providing an axially facing supporting surface (11) on which an array of bearing pads (201, 202 . . . 20i) is carried. Each ... | 09/03/2002 |
| 6099271 | Downhole electrical submersible pump with dynamically stable bearing system A bearing configuration for use in electrical submersible pumps having improved stability. The bearing configurations include multi-lobed bearings, such as lemon bore, tri-lobe bearings, pocket bearings and tilting pad type bearings.... | 08/08/2000 |
| 6000851 | Adjustable electric motor bearing system The parameters of a rotor bearing assembly are readily changed to facilit evaluation, determination and establishment of optimum bearing clearance and rotor bearing adjustment to minimize noise and vibration, by an arrangement which includes seating of s... | 12/14/1999 |
| 5795077 | Tilting pad journal bearing The bearing for supporting a rotatable shaft 2 comprises an annular housing 7 around the shaft 2; movable bearing members 6 arranged in the annular housing 7, each bearing member 7 making bearing contact with the rotatable shaft 2 or component 3, circumfe... | 08/18/1998 |
| 5759011 | Journal bearing assembly A journal bearing assembly for mounting within a rotatable shaft that has been hollowed out to form a shaft cavity, said assembly comprising a plurality of bearing pads positioned about a bearing support, said support and bearing pads positioned within th... | 06/02/1998 |
| 5743657 | Tilting pad journal bearing This invention relates to journal bearings of the tilting pad type in which a ring of circumferentially spaced bearing pads are disposed in a housing to surround coaxially a rotating shaft, and are capable of tilting in the housing on at least an axis sub... | 04/28/1998 |
| 5738445 | Journal bearing having vibration damping elements A bearing structure for damping shaft vibrations wherein a fixed support member has an axially extending opening defined by a circular surface having a predetermined radius of curvature. A shaft extends centrally through the opening to provide an annular ... | 04/14/1998 |
| 5653578 | Vertical-axis waterpower machine In a vertical-axis waterpower machine, the shaft is mounted in a bearing-supporting star. It has a track ring for a supporting bearing. Supporting-bearing segments are supported via adjusting elements on a supporting ring firmly connected to the bearing-s... | 08/05/1997 |
| 5613781 | Hanging spring supported squeeze film damping system for shaft bearing A damper film bearing assembly for supporting a rotatable shaft of a turbomachine includes a housing having a central bore sized to receive the bearing member, and an annular cavity formed within the housing around the central bore. The annular cavity inc... | 03/25/1997 |
| 5599109 | Bearing assembly with ceramic bearing faces A bearing assembly includes a bearing base and a plurality of tiltable shoes. A ceramic plate is bonded to each shoe and a face surface of each ceramic plate provides a bearing face. Tilting movement of the shoes relative to the bearing base provides a fl... | 02/04/1997 |
| 5397183 | Active bearing A mechanical bearing, the major advantage inherent in magnetic and other non-contact bearing designs, i.e., being active. The specific bearing disclosed is a tilt pad bearing having a structure which changes shape in a controlled manner in response to a c... | 03/14/1995 |
| 5310067 | Compensating crane and method A crane design which automatically self-compensates for misalignment between the longitudinal axis of the central support for such crane and the actual axis of rotation of the upperworks thereof when under load. Means for accomplishing both translational ... | 05/10/1994 |
| 5288153 | Tilting pad journal bearing using directed lubrication In a tilting pad journal directly lubricated bearing the axially spaced apart sidewalls of the tilting pads are provided with extensions that have an axial space between them and contribute to defining the boundaries of a cool oil infeed well whose other ... | 02/22/1994 |
| 5284392 | Bearings having spaced pads and methods of making the same A hydrodynamic thrust, journal or combined radial and thrust bearing and methods of manufacturing the same. The bearing includes a bearing pad structure that may change shape and move in any direction (six degrees of freedom) to optimize formation of a co... | 02/08/1994 |
| 5215384 | Self-centering squeeze film damper bearing A squeeze film damper bearing (100) has the means of automatically centering itself from the force associated with lateral shaft vibration. It utilizes a floating ring (108) positioned between a housing (102) and a cage (106) with O-rings (115, 116, 130, ... | 06/01/1993 |
| 5076772 | Slider block radial compliance mechanism with integral deflection bearing The slider block of a scroll compressor has an axial bore therein which is defined by a number of pads. The pads are axially and circumferentially spaced and collectively define a deflection bearing as well as the bore.... | 12/31/1991 |
| 5033871 | Extrudable multi-rigidity hydrodynamic bearing and method of making the same A hydrodynamic bearing constructed entirely of non-newtonian fluidic materials such as rubber, plastic and the like. The bearing is extrudable and includes a bearing pad support structure and a plurality of bearing pads formed with bearing pad support str... | 07/23/1991 |
| 4961652 | Radial bearing A radial-type bearing which includes an outer tube-like member rotatable about a center axis and having an inner cylindrical bearing surface. An inner shaft-like member is disposed within the outer rotatable member. The inner member is stationary or non-r... | 10/09/1990 |
| 4927275 | Equalizing hydrodynamic bearing The hydrodynamic bearing assembly may be either a journal bearing or a thrust bearing. Bearing pads are located adjacent a shaft when a journal bearing or adjacent a collar on a shaft when a thrust bearing. The bearing pads are located on equalizing pads,... | 05/22/1990 |
| 4913563 | Hydrodynamic pivoted pad bearing assembly for a reactor coolant pump A nuclear reactor coolant pump utilizes a pivoted pad bearing assembly to rotatably mount its shaft through the pump housing. The bearing assembly includes a plurality of arcuate bearing segments disposed end-to-end in circumferentially spaced relation fo... | 04/03/1990 |
| 4734009 | Method and apparatus for aligning turbine rotors An improved method and apparatus for changing alignment shims used in conventional three-key bearing support systems for steam turbine rotors is provided by coupling the two lower bearing support pads together to maintain their fixed relationship relative... | 03/29/1988 |
| 4730998 | Scroll-type apparatus having a pivoting main journal bearing A scroll-type apparatus having a main journal bearing which journals the drive shaft of the apparatus and is capable of pivoting by small angles with two degrees of freedom. The main journal bearing comprises three or more arcuate pads whose inner surface... | 03/15/1988 |
| 4714357 | Segmental bearing shoe A bearing shoe for use in segmental bearings that rotatably support a member by means of a plurality of such shoes. Each of the shoes presents a bearing surface on one side for engagement with the rotating surface of the rotary member. The opposite side o... | 12/22/1987 |
| 4600317 | Pad type journal bearing device with a constant bearing clearance A pad type journal bearing device includes a plurality of bearing pads disposed in circumferentially spaced relationship to one another within a casing and swingable about axes parallel to an axis of a rotating shaft. In addition, a resilient return membe... | 07/15/1986 |
| 4506998 | Elastomerically supported pivoted pad bearing A pivoted pad bearing is supported on an elastomeric pad fully contained by a supporting structure. The elastomeric pad contains some liquid. The liquid filled pad is extremely strong in compression but can pivot. The pivoted pad assembly is somewhat flex... | 03/26/1985 |
| 4457634 | Pivoted segmental bearing A pivoted segmental bearing in which leaf springs are disposed angularly equidistant between the outer surface of the annular shoe support member and the overlying inner surface of the outer support casing, and wherein the springs are immersed in the lubr... | 07/03/1984 |
| 4335925 | Thrust bearing This invention is a tilting thrust pad bearing in which bearing pads 11 are supported on individual pillars 19 which themselves bear on supporting bars 23, carried by rockers 24. The supporting bars and rockers are identical components and can be used in ... | 06/22/1982 |
| 4300808 | Tilting-pad bearings There is disclosed a tilting-pad bearing comprising a plurality of bearing pads tiltably disposed in surface contact at their arcuate outer peripheral surfaces with an inner surface of the bearing support, pad positioning members for positioning circumfer... | 11/17/1981 |
| 4039228 | Tilting pad bearing A bearing is herein described having an annular housing defining a bore. A plurality of arcuate bearing shoes are spaced within the housing bore in such an array to define a cylindrical opening for axially receiving a rotatable shaft. The shoe members are... | 08/02/1977 |
| 3972572 | Method and apparatus for modifying vibrational behavior of a rotary shaft An arrangement for facilitating modification of the vibrational behavior of a rotatable shaft which is supported by a segmented type of bearing in which the bearing segment supports that have predetermined built-in elastic and damping characteristics are ... | 08/03/1976 |
| 3936103 | Rotary shaft tilting shoe bearing A tilt shoe bearing assembly wherein each shoe in the assembly is provided with complete freedom to automatically adjust its position under various running conditions to offset critical running speeds by maintaining a fluid wedge between the shoe and the ... | 02/03/1976 |
