Class 384/303 - For thrust bearing

Subclass of Class 384 - Bearings
Definition: Subject matter comprising means for spreading the thrust
No. of patents: 24
Last issue date: 08/14/2007

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Number	Title	Issue Date
7255480	Diamond bearing with cooling/lubrication channels A diamond bearing assembly comprises a support ring having at least one diamond bearing segment attached thereto. A plurality of bearing pads are disposed on the diamond bearing segment. The plurality of bearing pads have a plurality of flow micro-channels between t...	08/14/2007
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
7104772	Screw compressor In a screw compressor for a refrigerator, suction-side rotor shafts of screw rotors are supported rotatably by angular ball bearings for forward thrust load, an annular gap is formed between the angular ball bearings and a suction-side bearing casing, and outermost ...	09/12/2006
7077867	Prosthetic knee joint having at least one diamond articulation surface Prosthetic joints, components for prosthetic joints, superhard bearing and articulation surfaces, diamond bearing and articulation surfaces, substrate surface topographical features, materials for making joints, bearing and articulation surfaces, and methods for man...	07/18/2006
6935618	Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ...	08/30/2005
6669372	Turbocharger thrust bearing A double sided 360° thrust bearing having oppositely oriented interlocking elements each with an open segment and an elevated segment is assembled over a thrust collar on the shaft interconnecting the turbine wheel and compressor wheel of a turbocharger....	12/30/2003
6186758	Multi-rotor helical-screw compressor with discharge side thrust balance device A compressor in accordance with the present invention includes a male rotor which is axially aligned with and in communication with two female rotors. The compressor includes a housing and a thrust balance configuration. The thrust balance configuration i...	02/13/2001
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
5253939	High performance bearing pad for thrust bearing Cylindrical bearing pads are insertable into bearing pad recesses formed in a receiving surface of a bearing pad retainer in a load-carrying structure. The bearing pads have an insertion end which is fixed into the bearing pad recess by brazing or by inte...	10/19/1993
5092687	Diamond thrust bearing and method for manufacturing same A diamond thrust bearing and method for manufacturing the diamond thrust bearing wherein diamond bearing pads are interference fitted at ambient temperatures into a plurality of equidistantly spaced bearing pad recesses located in a circle in a receiving ...	03/03/1992
5035519	Submersible thrust bearing apparatus A thrust bearing including a ring-like form plate body, and a plurality of rib members provided on the ring-like form plate body of the thrust bearing. Such a plurality of rib members may be provided on a thrust runner. The rib members cause a difference ...	07/30/1991
4905531	Adjusting drive An adjusting drive comprises an electric motor having a motor armature provided with a motor armature shaft, a worm transmission associated with the drive motor and having a worm shaft which is formed as a floatingly arranged extension of the motor armatu...	03/06/1990
4832636	Marine drive lower unit with sequentially loaded multiple thrust bearings A marine drive unit (1) includes a lower torpedo housing (9). At least one propeller shaft (21) is mounted in the housing for rotation about a drive axis (17). The propeller shaft is driven by a driving gear (16) suitably connected to a marine engine (4) ...	05/23/1989
4820211	Driveshaft supporting device for marine propulsion engine An outboard motor having an improved arrangement for supporting and preloading a thrust bearing of a driveshaft. The preloading device comprises a plurality of relatively small diameter stiff coil springs that encircle the driveshaft and place a compressi...	04/11/1989
4708496	Diamond bearing and manufacture thereof A structure and method for attaching bearing inserts including a bearing ring having through holes therein into which said inserts are press fitted and an underlying brazing ring, which, when heated, attaches the bearing inserts to the bearing ring and th...	11/24/1987
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
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
4620601	Well drilling tool with diamond thrust bearings A turbodrill is disclosed which is connected to a string of drill pipe as a rotating shaft for driving a drill bit which may be a rotary bit or a high speed solid head diamond bit. The turbine section of the turbodrill has rotor and stator blades which ar...	11/04/1986
4494882	Self-pumping thrust bearing for electric machines A self-pumping thrust bearing for electric machines having a vertical shaft is disclosed in which the oil is circulated via radially-extending bores which suck hot oil from an oil space adjacent to the vertical shaft and conduct it to at least one cooler ...	01/22/1985
4468138	Manufacture of diamond bearings In the manufacture of diamond bearings consisting of a supporting plate/ring having a plurality of recesses equally spaced therearound with insert members consisting of hardmetal or carbide studs, with planar faces of polycrystalline diamond, positioned t...	08/28/1984
4323285	Dual thrust bearing for a shaft A dual thrust bearing arrangement is provided for a shaft subject to axial thrust which accomplishes, under all conditions, an exact division of the total thrust on the shaft into two equal components which are respectively applied to the thrust bearings....	04/06/1982
4268220	Thrust balancing A gas turbine engine having variable geometry flow controllers therein for controlling mass flow in accordance with engine operation includes a rotor with a wide variation in thrust forces thereon during different phases of engine operation countered by a...	05/19/1981
4077682	Large thrust bearing with lubrication in the spaces between pads The bearing pads of a large tilting pad thrust bearing are extended laterally to project from both radial edges, the lateral extensions having faces which are offset inwardly relative to the faces of the pad and said extensions projecting into the spaces ...	03/07/1978
3993371	Thin rubber surfaced bearings An improved water-lubricated bearing consists of longitudinal strips of rubber bonded to a rigid backing. The strips are either flat or have a concave surface of less curvature than the journal, and are so thin that the width of each strip is at least 6 a...	11/23/1976

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Class 384/303 - For thrust bearing