Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7367713 | 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... | 05/06/2008 |
| 7311445 | Tilting pad bearing assembly A tilting pad bearing assembly consists of an array of bearing pads each supported on a rigid carrier by way of an intervening pivot ridge extending from the pad or carrier. The individual pad surfaces are able to tilt or rock to a limited extent about a pivot or fu... | 12/25/2007 |
| 7247008 | Cam ring bearing for fuel delivery system A bearing assembly is provided for a fuel delivery system that includes a pump (10) having a housing that rotatably receives a rotor (20) carrying vanes (26) thereon, a cam ring (70) received between the housing and rotor (20), and... | 07/24/2007 |
| 7237958 | Bearing stiff plate pedestal A bearing stiff plate pedestal with cylindrical bore and a separate bearing with shimmed saddle blocks that mate to the bore to permit accurate alignment and with self-aligning Babbitted tilting pad bearings to replace existing bearing spring plates arrangements. A ... | 07/03/2007 |
| 7163650 | Process for producing ceramic bearing components A process for producing ceramic bearing components in which a material mixture is produced from an organometallic compound as a preceramic precursor and from silicon in element form or in the form of an alloy as a chemically reactive filler. The material mixture is ... | 01/16/2007 |
| 7063465 | Thrust bearing A thrust bearing 11 for use with a shaft 13 having a collar 15 mounted the shaft 13 and rotatable therewith has a base ring 17, a series of shoes 19 positioned on the base ring 17, and a compressible resilient spacing... | 06/20/2006 |
| 6739756 | Combination thrust bearing and journal bearing, and method for distributing fluid to same A thrust bearing tilting pad has face with a border region including an engagement surface and defining a pocket with generally longitudinal sidebars and a bottom. The pad has leading and trailing portions, with the face extending generally longitudinally therebetwe... | 05/25/2004 |
| 6499883 | Tilting pad for bearings A thrust bearing tilting pad has face with a border region including an engagement surface and defining a pocket with generally longitudinal sidebars and a bottom. The pad has leading and trailing portions, with the face extending generally longitudinally... | 12/31/2002 |
| 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 |
| 6183138 | Tilting pad thrust bearing arrangement A tilting pad thrust bearing arrangement (30), comprises a circular array of pads (351, 352, . . . ) having tilt pivots (381, 382, . . . ) and supported spaced from a carrier surface (33) by supporting springs (... | 02/06/2001 |
| 6024494 | Polymer-backed thrust bearings A product lubricated thrust bearing includes an annular bearing disc made from a hard bearing material such as silicon carbide and having a plurality of radial lubrication grooves in at least one of a front and rear face thereof to define a plurality of b... | 02/15/2000 |
| 5971616 | Thrust bearing arrangement A tilting pad thrust bearing assembly comprises an annular body which carries an array of bearing pads either as discrete pads or in an integral ring. The pads are manufactured with opposite faces flat, that is, without the usual radially extending fulcru... | 10/26/1999 |
| 5927860 | Buttons for product lubricated thrust bearings A thrust bearing, for axially supporting a rotating member, includes a flat circular disk-shaped bearing body having a central axial bore and a plurality of axial cavities surrounding the central axial bore and a plurality of bearing elements releasably r... | 07/27/1999 |
| 5879085 | Tilt pad hydrodynamic bearing for rotating machinery A tilting pad bearing for a rotatable surface includes a plurality of circumferentially-arranged tilting pads, each of the tilting pads having a working surface and a trailing surface. A lubrication device for lubricating fluid is detachably affixed to th... | 03/09/1999 |
| 5876125 | Slide shoe for plain bearing use Slide shoe for use in a plain bearing, notably in an axial thrust bearing. The outer periphery (50) of the slide shoe has below its sliding surface (10) a peripheral recess (52) through which the slide shoe rim area (56) that features the appropriate rim ... | 03/02/1999 |
| 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 |
| 5616098 | Reduction mechanism for mill and mill having the same A reduction mechanism for mill comprises a planetary gear train comprising a sun gear, planet gears, an internal gear and a carrier for supporting the planet gears; an input shaft for feeding power; a sun gear shaft on which the sun gear is mounted; an in... | 04/01/1997 |
| 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 |
| 5567057 | Tilting pad thrust bearing assembly An equalizing tilting pad thrust bearing assembly with inner and outer concentric retaining rings supporting an array of upper and lower equalizing links which support a circular array of tilting bearing pads. Each tilting pad has a flat bottom surface su... | 10/22/1996 |
| 5480233 | Thrust bearing for use in downhole drilling systems A thrust bearing for use in downhole drilling systems employing fluid motors having a stator retaining ring and a rotor retaining ring. These rings have a plurality of bearing inserts. The bearing insert surfaces of the rotor contact the bearing surfaces ... | 01/02/1996 |
| 5304006 | Self positioning beam mounted bearing and bearing and shaft assembly including the same A bearing and a shaft and bearing combination for replacing conventional rolling element bearing, washer and lock ring assemblies. The bearing is constructed so that it can be precisely positioned with respect to the shaft in the housing. Additionally, th... | 04/19/1994 |
| 5246295 | Non-contacting mechanical face seal of the gap-type A rotary mechanical face seal for preventing leakage of a fluid, either liquid or gas, across two relatively rotating surfaces. The seal is of the non-contacting mechanical type in which a predetermined spacing is maintained between the relatively rotatab... | 09/21/1993 |
| 5209579 | Thrust bearing device A thrust bearing device for an electric motor lubricated by liquid within a motor casing includes a rotary disk fixed on a primary shaft of the motor and a sliding shoe member having sliding surfaces slidably in contact with a sliding surface of the rotar... | 05/11/1993 |
| 5205653 | Bearing assembly and submersible propulsor unit incorporating the same A pivoted pad bearing assembly of the Kingsbury type provides for leveling of bearing pads arranged in a circular array utilizing hydrostatic pressure rather than mechanical links. The leveling device is in the form of a hydraulic bearing support module h... | 04/27/1993 |
| 5158525 | Adjustable wear pads for slotting head yoke plates Box machine forming wheels are individually stabilized with a respective, frame mounted, stationary yoke meshed within the circumferential groove of a head wheel that is rigidly secured to the forming wheel. Lateral space between the stationary yoke finge... | 10/27/1992 |
| 5123891 | Box machine die knife stabilizer Box machine forming wheels are individually stabilized with a respective, frame mounted, stationary yoke disposed within the circumferential groove of a head wheel that is rigidly secured to the forming wheel. Lateral space between the yoke finger faces a... | 06/23/1992 |
| 5046864 | Tilting pad thrust bearing assemblies An equalizing tilting pad assembly for thrust bearings and the like which includes a retaining ring housing an arrangement of upper and lower equalizing links and supporting a number of similar tilting pads each having a spherically curved contact surface... | 09/10/1991 |
| 5007745 | Low flow tilting pad thrust bearing The bearing pads of a hydrodynamic tilting pad thrust bearing are cut from a ring and arranged in a circle within a retainer for bearing the load of a collar fastened to a rotating shaft. The leading and trailing edges of respective adjacent pads contain ... | 04/16/1991 |
| 4963039 | Vibration reducing thrust bearing A thrust bearing for vibration reduction application which isolates the tst shoes so that transmissions of vibrations induced by drag on the thrust shoes are attenuated or avoided. A thrust shoe carrier isolates the thrust shoes from the relatively stati... | 10/16/1990 |
| 4886378 | Thrust bearing device A thrust bearing device is constructed to comprise a sliding disk; and a sliding shoe member; both having a sliding surface respectively adapted to slidably contact with each other and one of which is arranged to be the rotary side of the bearing device and th... | 12/12/1989 |
| 4753553 | Bearing structure and a floating vessel comprising such structure A bearing structure which may, for example, be used for rotatable mounting of a turret or a rig (11) on the hull (14) of a vessel comprises a first annular bearing surface which is supported by the vessel hull (14), and which may be substantially plane or... | 06/28/1988 |
| 4738550 | Tilting pad thrust bearing with optimized tilt axis location A tilting pad thrust bearing in which the sector-shaped pads are supported on individual disks. A runner runs on top of the pads. The disks have a spherical element projecting from their bottoms. The elements make tangential contact with a stationary supp... | 04/19/1988 |
| 4676668 | Multi-deflection pad-type hydrodynamic bearing A hydrodynamic bearing is disclosed in which there are a plurality of bearing pads that each have a face member and a support member, the pad being separated from the support member by at least one leg-like ligament. Each leg-like ligament is arranged at ... | 06/30/1987 |
| 4657411 | Hydraulically supported thrust bearings A thrust bearing particularly suitable for use with a vertical shaft machine has a rotating ring mounted to the shaft for rotation with the shaft and having a downwardly directed bearing surface. A base ring is positioned around the shaft and fixedly moun... | 04/14/1987 |
| 4647227 | Bearing, such as for rotary shaft Bearing for rotary shaft, of the type comprising at least one bearing element with a friction surface contacting with one external surface of the shaft. The bearing element comprises a bearing block on which is defined the friction surface and a support h... | 03/03/1987 |
| 4639146 | Thrust bearing A thrust bearing has a plurality of bearing pads each provided on its back side with a pivot, and a support on which the pads are disposed in the circumferential direction. An integral carrier is mounted on the support. The carrier has leg portions and a ... | 01/27/1987 |
| 4629013 | Drive device for a drill bit A drive device for driving a drill bit for drilling bore holes in underground formations comprises a tubular housing for attachment to a drill string with a rotary drive means in the housing arranged to be driven by fluid forced through the housing. The r... | 12/16/1986 |
| 4542995 | Thrust bearing supporting device for an electric rotary machine A thrust bearing supporting device for an electric rotary machine comprises a plurality of supporting members fixed to a base plate within a bearing vessel for supporting a thrust bearing of said rotary machine, each of said supporting members consisting ... | 09/24/1985 |
| 4515486 | Elastomeric supported hydrodynamic bearing A fluid bearing is disclosed which consists essentially of a number of bearing pads, each having a face member and a support member that are separated and bonded together by an elastomeric material. The face member will have a load engaging surface, and i... | 05/07/1985 |
| 4473310 | Thrust bearing assemblies A thrust bearing assembly includes a carrier member having formed therein an annular slot, a plurality of bearing members, which may be thrust pads or guide members, being received within the slot. Each bearing member has a radially outer surface and an o... | 09/25/1984 |
