Abstract

A bearing is disclosed. The bearing includes a first half shell and an eccentric second half shell, the first half shell and the second half shell configured to connect at a joint to form a cylindrical bearing. The first half shell has a first crown thickness at a first crown of the first half shell, and a first wall thickness between the first crown and the joint. The second half shell has a second crown thickness at a second crown of the second half shell, and a second wall thickness between the second crown and the joint. The second crown thickness is greater than the first crown thickness, and the first wall thickness is equal to the second wall thickness at a point of equal thickness between 10 and 60 degrees from the joint.

IPC Classes  ?

• F16C 9/02 - Crankshaft bearings
• F16C 9/04 - Connecting-rod bearingsAttachment thereof
• F16C 33/02 - Parts of sliding-contact bearings
• F16C 33/20 - Sliding surface consisting mainly of plastics

Abstract

A bearing is disclosed. The bearing includes a first half shell and an eccentric second half shell, the first half shell and the second half shell configured to connect at a joint to form a cylindrical bearing. The first half shell has a first crown thickness at a first crown of the first half shell, and a first wall thickness between the first crown and the joint. The second half shell has a second crown thickness at a second crown of the second half shell, and a second wall thickness between the second crown and the joint. The second crown thickness is greater than the first crown thickness, and the first wall thickness is equal to the second wall thickness at a point of equal thickness between 10 and 60 degrees from the joint.

IPC Classes  ?

• F16C 9/02 - Crankshaft bearings
• F16C 9/04 - Connecting-rod bearingsAttachment thereof
• F16C 33/02 - Parts of sliding-contact bearings
• F16C 33/20 - Sliding surface consisting mainly of plastics

Abstract

A bearing element (100) comprises a metal substrate (102), an intermediate layer (104) provided on the metal substrate (102), and bearing layer (106) provided on the intermediate layer (104). The intermediate layer (104) comprises a first aluminium alloy comprising between 0.8 weight percent and 1.4 weight percent manganese, and between 0.8 weight percent and 1.3 weight percent magnesium. An engine comprising the bearing element (100) is also provided.

IPC Classes  ?

• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing

Abstract

A bearing element may include an overlay layer which forms a bearing surface against a steel journal or the like. The overlay layer may be formed from a bearing material comprising a polymer matrix of polyamide-imide polymer material, melamine cyanurate particulate, and metal oxide particulate. A method of forming the bearing element comprising the bearing material are also provided.

IPC Classes  ?

• C10M 169/04 - Mixtures of base-materials and additives
• C10M 107/44 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
• C10M 125/04 - MetalsAlloys
• C10M 125/10 - Metal oxides, hydroxides, carbonates or bicarbonates
• C10M 133/42 - Triazines
• C10M 141/06 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic nitrogen-containing compound
• C10M 171/06 - Particles of special shape or size
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• F16C 33/04 - BrassesBushesLinings
• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing
• F16C 33/20 - Sliding surface consisting mainly of plastics
• C10N 40/02 - Bearings
• C10N 50/08 - Form in which the lubricant is applied to the material being lubricated solid

Abstract

A method of manufacturing a strip for a bearing may comprise roll-bonding a bearing layer comprising a tin-free aluminium alloy directly to a base layer to form a bimetal and heat-treating the bimetal at a temperature below a recrystallization initiation temperature of the aluminium alloy. A strip for a bearing manufactured using the method, and a bearing having a strip manufactured using the method, are also provided.

IPC Classes  ?

• B21B 1/38 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets
• C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
• C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing
• F16C 33/14 - Special methods of manufactureRunning-in

Abstract

A bearing material may include a matrix of polyamide-imide polymer material, and a solid lubricant particulate. The solid lubricant particulate may have a median particle size of less than 1 micrometre.

IPC Classes  ?

• F16C 33/10 - Construction relative to lubrication
• C08K 3/08 - Metals
• C08K 5/3492 - Triazines
• C08L 79/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
• C09D 179/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing

Abstract

A sliding element for an engine may include a polymer-based overlay layer and a metallic substrate. The polymer-based overlay layer may include a polymer-based matrix, a metal particulate, and a pigment. The pigment may have a hardness of at least 4 on the Mohs hardness scale.

IPC Classes  ?

• F16C 9/02 - Crankshaft bearings
• F16C 9/04 - Connecting-rod bearingsAttachment thereof
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• F16C 33/04 - BrassesBushesLinings
• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 41/00 - Other accessories for bearings
• C09D 5/08 - Anti-corrosive paints

Abstract

A bearing element 100, such as a bearing shell for an engine, has an overlay 106 which forms the bearing surface against a steel journal or the like. The overlay layer is formed from a bearing material comprising a polymer matrix of polyamide-imide polymer material, and melamine cyan urate particulate, metal oxide particulate, and at least 25 wt% metallic particulate dispersed within the polymeric matrix. A bearing element comprising the bearing material, and a method of forming the bearing element having the bearing material are also provided.

IPC Classes  ?

• F16C 33/20 - Sliding surface consisting mainly of plastics

Abstract

In a bearing element, for a sliding journal bearing such as a crankshaft main bearing, a bearing shell (102) supports a sliding layer, or overlay, (106). The overlay is formed from a bearing material of a polyamide-imide (PAI) plastics polymer material crosslinked with hydrocarbon crosslinkers. The bearing material comprises a polyamide-imide polymer material and a difunctional crosslinking agent comprising a hydrocarbon chain and two functional groups, in which the functional groups are selected from the list: amino, acid, epoxide, thiol, isocyanate. A method for making the bearing material and the bearing element are also provided.

IPC Classes  ?

• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• C08K 5/00 - Use of organic ingredients
• C08K 5/17 - AminesQuaternary ammonium compounds
• C09D 179/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors

Abstract

A sliding element (100) for an engine, the sliding element comprises a polymer-based overlay layer (106) and a metallic substrate (102). The polymer-based overlay layer comprises a polymer-based matrix, a metal particulate, and a pigment. The pigment has a hardness of at least 4 on the Mohs hardness scale.

IPC Classes  ?

• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing
• F16C 41/00 - Other accessories for bearings

Abstract

A sliding element for an engine may include a metallic substrate, a first polymer-based layer, and a second polymer-based layer. The first polymer-based layer may include a polymeric material and may be disposed on the metallic substrate. The second polymer-based layer may include a polymeric material and may be disposed on the first polymer-based layer. The polymeric material of the first polymer-based layer may be the same as the polymeric material of the second polymer-based layer. The second polymer-based layer may further include a tungsten disulphide particulate.

IPC Classes  ?

• B32B 15/088 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyamides
• F16C 33/10 - Construction relative to lubrication
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only

Abstract

A sliding component (100), for example a bearing shell for an internal combustion engine, comprises a substrate in which an electrically-insulating substrate portion (130) extends between the front surface and the rear surface of the substrate. A connector (140), which is configured to extend through the electrically-insulating substrate portion (130) of the substrate, provides an electrical connection through the substrate from an electrical component (160) arranged at the front surface of the substrate. A connector component for use in a sliding component, and a method of manufacture of a sliding component are also provided.

IPC Classes  ?

• F16C 17/24 - Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired conditions, e.g. for preventing overheating, for safety
• F16C 33/20 - Sliding surface consisting mainly of plastics
• G01M 13/04 - Bearings
• F16C 9/02 - Crankshaft bearings
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes

Abstract

In a bearing element, for a sliding journal bearing such as a crankshaft main bearing, a bearing shell 4 supports a sliding layer, or overlay, 12. The overlay is formed from a bearing material of a polyamide-imide (PAI) plastics polymer material functionalised with hydrocarbon groups. A method for making the bearing material includes the steps of preparing a polyamide-imide polymer material; and when the resulting polymer material reaches a predetermined molecular weight, adding a hydrocarbon-containing reactant to the reaction mixture to form a bearing material comprising a polyamide-imide plastics polymer material functionalised with hydrocarbon groups with reactive functionality. Another method for making the bearing material involves mixing a polyamide-imide plastics polymer with a catalyst; and adding a hydrocarbon-containing reactant to the reaction mixture.

IPC Classes  ?

• C09D 179/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
• C08G 73/14 - Polyamide-imides
• F16C 33/20 - Sliding surface consisting mainly of plastics
• C08J 7/12 - Chemical modification

Abstract

A sliding component (100), such as a sliding component for an engine, has an overlay (106) which forms the bearing surface against a steel journal or the like. The overlay (106) is formed from a matrix of polymeric material, and graphene platelets functionalised with –O and/or –F groups are dispersed within the matrix. An overlay material, a graphene platelet filler, and a method of forming an overlay are also provided.

IPC Classes  ?

• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
• C09D 7/62 - Additives non-macromolecular inorganic modified by treatment with other compounds
• C09D 7/40 - Additives
• B05D 5/08 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 33/04 - BrassesBushesLinings
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• C08K 9/00 - Use of pretreated ingredients

Abstract

−1, and a Mohs hardness of between about 5 and about 7. The sliding component may be a sliding component for an engine, such as a bearing, a bearing shell, a bush, a thrust washer, a journal bearing or the like.

IPC Classes  ?

• F16C 9/02 - Crankshaft bearings
• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing
• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 33/04 - BrassesBushesLinings

Abstract

A sliding element component for sliding engagement with a rotatable component, the sliding element component being coupleable to a further sliding element component by an adhesive. The sliding element component comprises an engagement surface for engagement with a corresponding engagement surface on the further sliding element component and the engagement surface of the sliding element component comprises at least one recess for receiving an adhesive. A thrust washer, a flanged bearing assembly and a method of assembling a flanged bearing assembly are also provided.

IPC Classes  ?

• F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only
• F16C 17/10 - Sliding-contact bearings for exclusively rotary movement for both radial and axial load
• F16C 9/02 - Crankshaft bearings
• F16C 43/02 - Assembling sliding-contact bearings

Abstract

A sliding engine component may include a plastic polymer-based composite layer on a substrate. The composite layer may include a matrix of plastic polymer-based material, and functionalised graphene nano platelets distributed throughout the matrix.

IPC Classes  ?

• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 9/02 - Crankshaft bearings
• F16C 9/00 - Bearings for crankshafts or connecting-rodsAttachment of connecting-rods
• B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
• B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
• C08K 3/04 - Carbon
• C08K 9/04 - Ingredients treated with organic substances
• C08K 9/00 - Use of pretreated ingredients

Abstract

A sliding element, e.g., a sliding element for slidably supporting a rotatable shaft, may include a first sliding element component, a second sliding element component, and at least one coupling element. The at least one coupling element may be configured to be coupled to the first sliding element component and may be configured to be coupled to the second sliding element component to releasably couple the first sliding element component and the second sliding element component together.

IPC Classes  ?

• F16C 17/10 - Sliding-contact bearings for exclusively rotary movement for both radial and axial load
• F16C 43/02 - Assembling sliding-contact bearings
• F16C 33/20 - Sliding surface consisting mainly of plastics

Abstract

A sliding engine component may include a substrate having a surface coated with a first electroplated metallic layer and a second electroplated metallic layer. The first metallic layer may be disposed between the substrate and the second metallic layer. The first metallic layer and the second metallic layer may have a grained structure. The grained structure of each of the first metallic layer and the second metallic layer may have an aspect ratio between a mean grain size perpendicular to the substrate surface and a mean grain size parallel to the substrate surface. The aspect ratio of the second metallic layer may be less than the aspect ratio of the first metallic layer.

IPC Classes  ?

• B32B 15/02 - Layered products essentially comprising metal in a form other than a sheet, e.g. wire, particles
• C25D 3/30 - ElectroplatingBaths therefor from solutions of tin
• C25D 5/10 - Electroplating with more than one layer of the same or of different metals
• C25D 5/18 - Electroplating using modulated, pulsed or reversing current
• C25D 7/10 - Bearings
• C25D 15/00 - Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only

Abstract

A plain bearing consists of a bearing overlay (2) at a running surface of the bearing, supported by a bearing substrate. An interlayer (8) is positioned between the bearing overlay and the bearing substrate, and comprises hexagonal boron nitride. The interlayer may be formed by electrolytic deposition from an electrolyte comprising particles of hexagonal boron nitride.

IPC Classes  ?

• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing

Abstract

A bearing element may include a bearing element substrate and a sliding layer applied to a surface of the bearing element substrate. The sliding layer may be formed of a sliding layer material. A surface roughness (Ra) of the surface of the bearing element substrate may be less than 1 μm. The sliding layer material may include a polymeric material and iron oxide. The sliding layer may have at least three layers of the sliding layer material.

IPC Classes  ?

• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• F16C 9/02 - Crankshaft bearings
• F16C 9/04 - Connecting-rod bearingsAttachment thereof
• F16C 17/06 - Sliding-contact bearings for exclusively rotary movement for axial load only with tiltably-supported segments, e.g. Michell bearings
• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 27/06 - Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials

Abstract

An engine bearing shell may include a concave bearing surface, opposed axial end faces with an axial width therebetween, circumferential joint faces, and an oil distribution groove circumferentially extending along the concave bearing surface towards the axial end faces. The oil distribution groove may have a groove width that is 4% to 9.25% of the axial width.

IPC Classes  ?

• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• F16C 33/10 - Construction relative to lubrication
• F16C 9/02 - Crankshaft bearings
• F16C 33/04 - BrassesBushesLinings

Abstract

A sliding bearing and a method for its manufacture are disclosed. The sliding bearing may include a metallic substrate, an electrically insulating layer on the metallic substrate, and an electrical component on the electrically insulating layer. The sliding bearing may be operatively connected to a monitoring module configured to monitor the electrical component.

IPC Classes  ?

• F02B 77/08 - Safety, indicating, or supervising devices
• F16C 17/24 - Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired conditions, e.g. for preventing overheating, for safety
• F16C 9/02 - Crankshaft bearings
• F16C 33/20 - Sliding surface consisting mainly of plastics
• G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples
• G01K 7/16 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements
• F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
• G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
• G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• G01L 1/14 - Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators

Abstract

A thrust washer for a flange half-bearing may include a semi-annular panel having an inner edge and an outer edge. A plurality of hooking lugs may project inwardly from the inner edge of the panel. The hooking lugs may have at least one latching edge configured to engage with a corresponding opening in a bearing shell received by the thrust washer and prevent disconnection of the thrust washer and the bearing shell without deformation of the bearing shell. The hooking lugs may have a hooking lug inner portion proximate to a central part of the thrust washer around the inner edge of the panel for engaging against an edge of the corresponding opening of the bearing shell, and a hooking lug outer portion remote from the central part around the inner edge of the panel. The hooking lug inner portion may be thinner than the hooking lug outer portion.

IPC Classes  ?

• F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only
• F16C 33/04 - BrassesBushesLinings
• F16C 9/02 - Crankshaft bearings
• F16C 43/02 - Assembling sliding-contact bearings
• F16C 33/10 - Construction relative to lubrication
• F16C 17/10 - Sliding-contact bearings for exclusively rotary movement for both radial and axial load

Abstract

A plastic bearing material of a bearing may include a block copolymer. The block copolymer may include structural blocks of two or more different polymers. A first polymer may include at least one of polyamide-imide and polybenzimidazole. A second polymer may include at least one of polydimethylsiloxane, methyl vinyl ether and polyisobutene. A method for manufacturing a plastic bearing material may include synthesizing a structural block of a first polymer and a structural block of a second polymer to define a block copolymer via a condensation reaction.

IPC Classes  ?

• F16C 33/20 - Sliding surface consisting mainly of plastics
• C10M 107/50 - Lubricating compositions characterised by the base-material being a macromolecular compound containing silicon
• C08G 73/14 - Polyamide-imides
• C08G 73/18 - Polybenzimidazoles
• C08G 77/26 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen nitrogen-containing groups
• C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors

Abstract

A sliding engine component may include a sliding surface including a plastics polymer-based composite layer disposed on a substrate. The composite layer may include a matrix of plastics polymer-based material. The plastics polymer-based material may have 0.1 to 20 percent by volume of liquid-filled microcapsules distributed throughout the matrix, and incidental impurities.

IPC Classes  ?

• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 33/10 - Construction relative to lubrication
• F16C 9/02 - Crankshaft bearings
• F16C 9/04 - Connecting-rod bearingsAttachment thereof

Abstract

A sliding engine component having a plastic polymer-based composite layer on a substrate, the composite layer comprising: a matrix of plastic polymer-based material having distributed throughout the matrix; functionalised graphene nano platelets.

IPC Classes  ?

• C08K 3/04 - Carbon
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites

Abstract

A bearing element comprises a bearing element substrate (4) and a sliding layer (5) of a sliding layer material. The sliding layer material comprises a polymeric material and nanodiamonds. The nanodiamonds are surface-functionalised nanodiamonds, they comprise one or more functional groups selected from the group consisting of: hydrogen (-H), hydroxyl (-OH), carboxyl (-COOH), amino (-NH2) and nitro (02N). The nanodiamonds preferably have an average particle size of between about 1 nm and about 10nm. Preferably, the nanodiamonds are detonation produced nanodiamonds. The bearing element may be particularly suitable for automotive applications and may provide enhanced resistance to wear and fatigue.

IPC Classes  ?

• F16C 33/04 - BrassesBushesLinings
• F16C 33/20 - Sliding surface consisting mainly of plastics
• B01J 3/08 - Application of shock waves for chemical reactions or for modifying the crystal structure of substances
• F16C 33/64 - Special methods of manufacture
• F16C 33/58 - RacewaysRace rings
• F16C 33/66 - Special parts or details in view of lubrication

Abstract

A thrust washer for a sliding bearing may include a thrust washer substrate having an axial face. The thrust washer may also have a polymer layer of profiled thickness on the axial face of the substrate. The profiled polymer layer may be provided with at least one oil distribution groove.

IPC Classes  ?

• F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only
• F16C 33/10 - Construction relative to lubrication
• F16C 9/02 - Crankshaft bearings
• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 9/04 - Connecting-rod bearingsAttachment thereof

Abstract

A thrust washer may include a metallic substrate layer having an axial substrate face. The thrust washer may also include a polymer layer on the axial substrate face. The polymer layer may have an axial polymer face opposed to the axial substrate face. The axial polymer face may be profiled and may have at least one oil distribution groove. At least one of the substrate layer and the polymer layer may be a machined layer having a thickness that may vary in correspondence with the at least one distribution groove.

IPC Classes  ?

• F16C 9/02 - Crankshaft bearings
• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only
• F16C 33/10 - Construction relative to lubrication
• F16C 9/04 - Connecting-rod bearingsAttachment thereof

Abstract

A half bearing for a sliding bearing may include a bearing substrate having at least one relief region provided in a surface of the half bearing, and a substrate adjacent respective end faces of the bearing substrate. The half bearing may further include a polymer in-fill having a non-uniform thickness provided in a filled region, wherein the thickness of the polymer in-fill in the filled region may be greater proximate the respective end face than remote from the respective end face.

IPC Classes  ?

• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 33/10 - Construction relative to lubrication
• F16C 33/74 - Sealings of sliding-contact bearings
• F16C 17/24 - Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired conditions, e.g. for preventing overheating, for safety
• F16C 33/04 - BrassesBushesLinings
• F16C 33/24 - BrassesBushesLinings with different areas of the sliding surface consisting of different materials
• F16C 9/00 - Bearings for crankshafts or connecting-rodsAttachment of connecting-rods

Abstract

A bearing shell for a sliding bearing may include a body having a convex outer surface and an alignment feature projecting from the outer surface. The alignment feature may be arranged at an end face of the body. The alignment feature may include a first tapered portion having an axial width that reduces in a direction away from the end face. The first tapered portion may include at least two axial sides extending circumferentially and angled away from parallel with respect to a corresponding axial end face of the body by an angle of 2° to 10°.

IPC Classes  ?

• F16C 9/02 - Crankshaft bearings
• F16C 33/02 - Parts of sliding-contact bearings
• F16C 33/06 - Sliding surface mainly made of metal
• F16C 43/02 - Assembling sliding-contact bearings
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• F16C 33/04 - BrassesBushesLinings
• F16C 33/08 - Attachment of brasses, bushes, or linings to the bearing housing
• B21D 22/02 - Stamping using rigid devices or tools
• B21D 28/02 - Punching blanks or articles with or without obtaining scrapNotching
• F16C 33/14 - Special methods of manufactureRunning-in

Abstract

A sliding engine component comprising a substrate having a surface coated with first and second electroplated metallic layers, the first metallic layer being provided between the substrate and the second metallic layer, wherein the first and second metallic layers have grained structures each having an aspect ratio between the mean grain size perpendicular to the substrate surface and the mean grain size parallel to the substrate surface, and wherein the aspect ratio of the second metallic layer is less than the aspect ratio of the first metallic layer; and a method of manufacturing the sliding engine component.

IPC Classes  ?

• C25D 5/10 - Electroplating with more than one layer of the same or of different metals
• C25D 5/18 - Electroplating using modulated, pulsed or reversing current
• C25D 7/10 - Bearings
• C25D 15/00 - Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
• C25D 3/30 - ElectroplatingBaths therefor from solutions of tin

Abstract

A bearing element (2, 3) comprises a bearing element substrate (6) and a sliding layer (5) applied to a surface of the bearing element substrate. The sliding layer is formed of a sliding layer material. A surface roughness (Ra) of the surface of the bearing element substrate is less than 1 pm. The sliding layer material comprises a polymeric material and iron oxide. The sliding layer comprises at least three layers of the sliding layer material. The bearing element may benefit from greater consistency of the thickness of the sliding layer material over the surface of the bearing element substrate and higher resistance to wear compared to known bearing elements. A method of manufacturing a bearing element is also provided.

IPC Classes  ?

• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• F16C 9/02 - Crankshaft bearings
• F16C 9/04 - Connecting-rod bearingsAttachment thereof

Abstract

A sliding engine component having a sliding surface provided by a plastic polymer-based laye on a metallic substrate (102), wherein the plastic polymer-based layer comprises a plurality of plastic polymer- based layers (104A, 104B), and is obtainable by the process of: depositing a first coating of a first polymer-based layer (104A); curing the first polymer-based layer at a first temperature; depositing a second coating of a second polymer-based layer (104B); and curing the second polymer-based layer at a second temperature that is lower than the first temperature.

IPC Classes  ?

• F16C 33/20 - Sliding surface consisting mainly of plastics

Abstract

A sliding bearing for an internal combustion engine having a plastics polymer-based composite layer on a substrate, the composite layer comprising: a matrix of plastics polymer-based material having distributed throughout the matrix; 0.1 to 5% vol carbon nanostructures; and incidental impurities; and a method of manufacture of such a sliding bearing.

IPC Classes  ?

• F16C 33/04 - BrassesBushesLinings
• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing

Abstract

An engine bearing shell having a concave bearing surface, opposed axial end faces and circumferential joint faces, and an axial width between the axial end faces, and an oil distribution groove circumferential extending along the bearing surface towards the axial end faces and having a groove width that is 4 to 9.25% of the axial width of the bearing shell.

IPC Classes  ?

• F16C 9/02 - Crankshaft bearings

Abstract

A sliding engine component (100) having a sliding surface provided by a plastic polymer-based layer on a metallic substrate obtainable by the process of coating the metallic substrate with a plastic polymer-based material having distributed throughout the polymer-based material a thermochromic material configured to change colour irreversibly when thermally treated by heating beyond a threshold thermal treatment condition; and curing the polymer-based material.

IPC Classes  ?

• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 41/00 - Other accessories for bearings
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• F16C 17/24 - Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired conditions, e.g. for preventing overheating, for safety

Abstract

A sliding engine component having a plastic polymer-based layer on surface of a metallic substrate, the polymer-based layer comprising: a plastic polymer-based matrix; and a pigment of a different colour to the surface of the substrate onto which the polymer-based layer is provided.

IPC Classes  ?

• C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
• B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
• B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
• B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
• C23C 28/02 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of metallic material
• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing
• F16C 33/20 - Sliding surface consisting mainly of plastics

Abstract

A thrust washer (100) for a flange half-bearing, the thrust washer comprising: a substantially semi-annular panel (102) having an inner edge (108) and outer edge; and hooking lugs (110) projecting inwardly from the inner edge of the panel, wherein the hooking lugs have latching edges (118) that are configured to engage within corresponding openings in a bearing shell received by the thrust washer and to prevent disconnection of the thrust washer and bearing shell without deformation of the bearing shell, each hooking lug has a hooking lug inner portion (104A) proximate, around the inner edge of the panel, to the central part of the thrust washer for engaging against edges of the openings in the bearing shell and a hooking lug outer portion (104B) remote, around the inner edge of the panel, from the central part of the thrust washer, and the hooking lug inner portion is thinner than the hooking lug outer portion.

IPC Classes  ?

• F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only
• F16C 33/04 - BrassesBushesLinings
• F16C 33/10 - Construction relative to lubrication
• F16C 43/02 - Assembling sliding-contact bearings
• F16C 9/02 - Crankshaft bearings

Abstract

A sliding engine component having a sliding surface provided by a plastics polymer-based composite layer (106) on a substrate (102), the composite layer comprising: a matrix of plastics polymer-based material having distributed throughout the matrix: 0.1 to 20 %vol liquid-filled microcapsules (108); and incidental impurities; and, a method of manufacture of such a sliding engine component.

IPC Classes  ?

• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 33/66 - Special parts or details in view of lubrication
• F16C 33/10 - Construction relative to lubrication
• F16C 33/14 - Special methods of manufactureRunning-in

Abstract

A flanged half-bearing includes at least one substantially semi-annular thrust washer with an internal periphery having lateral lugs and an intermediary stabilization lug projecting from the internal periphery of the thrust washer, and a semi-cylindrical half journal bearing shell having lateral recesses and an intermediary stabilization recess that are recessed into an axial end face of the bearing shell and are respectively connected to the lateral lugs and the stabilization lug of the thrust washer, wherein the stabilization lug has rotational stabilization edges that project substantially perpendicularly from the inner periphery of the thrust washer, and the stabilization recess is configured for axial relative movement of stabilization lug. An engine includes at least one such flanged half-bearing.

IPC Classes  ?

• F16C 9/02 - Crankshaft bearings
• F16C 43/02 - Assembling sliding-contact bearings
• F16C 17/10 - Sliding-contact bearings for exclusively rotary movement for both radial and axial load

Abstract

An electroplating rack for holding a plurality of sliding bearing shells whilst a coating is electroplated onto their concave inner surfaces, comprising an end bracket, wherein the end bracket comprises a liquid supply conduit for receiving a flow of liquid into the plating rack along the concave inner faces of the bearing shells; and, an electroplating bath for such an electroplating rack.

IPC Classes  ?

• C25D 17/00 - Constructional parts, or assemblies thereof, of cells for electrolytic coating
• C25D 5/02 - Electroplating of selected surface areas
• C25D 5/08 - Electroplating with moving electrolyte, e.g. jet electroplating
• C25D 7/04 - TubesRingsHollow bodies
• C25D 7/10 - Bearings
• C25D 17/06 - Suspending or supporting devices for articles to be coated
• F16C 33/00 - Parts of bearingsSpecial methods for making bearings or parts thereof

Abstract

A sliding bearing comprising a backing layer, and a sintered lining layer, wherein the lining layer comprises 0.1 –10%wt carbon nanostructures embedded in a copper-based matrix.

IPC Classes  ?

• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
• F16C 33/14 - Special methods of manufactureRunning-in

Abstract

A thrust washer (200') for a sliding bearing, comprising a thrust washer substrate having an axial face, and a polymer layer of profiled thickness on the axial face of the substrate, wherein the profiled polymer layer is provided with at least one oil distribution groove.

IPC Classes  ?

• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only
• F16C 9/02 - Crankshaft bearings
• F16C 9/04 - Connecting-rod bearingsAttachment thereof
• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 33/10 - Construction relative to lubrication

Abstract

A thrust washer (200) comprising a metallic substrate layer having an axial substrate face, a polymer layer on the axial substrate face and having an axial polymer face opposed to the axial substrate face, wherein the axial polymer face is profiled and has at least one oil distribution groove, and one of the substrate layer and the polymer layer is a machined layer having a thickness that varies in correspondence with the at least one oil distribution groove.

IPC Classes  ?

• F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only
• F16C 9/02 - Crankshaft bearings
• F16C 9/04 - Connecting-rod bearingsAttachment thereof
• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 33/10 - Construction relative to lubrication

Abstract

A bearing shell for a sliding bearing, the bearing shell having a convex outer surface and an alignment feature projecting from the outer surface adjacent an end face of the bearing shell, wherein the alignment feature comprises a first tapered portion having an axial width that reduces away from the end face, and each side of the first tapered portion is angled away from parallel with an axial end face of the bearing shell by an angle of 2° to 10°.

IPC Classes  ?

• F16C 33/04 - BrassesBushesLinings
• F16C 33/08 - Attachment of brasses, bushes, or linings to the bearing housing
• F16C 43/02 - Assembling sliding-contact bearings
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only

Abstract

A half bearing (100) for a sliding bearing, the half bearing comprising a bearing substrate (102) having relief regions (114, 116) provided in a surface of the bearing substrate adjacent respective end faces (110) of the bearing substrate (102), and a polymer in-fill of non-uniform thickness provided in a filled relief region (114, 116), wherein the thickness of the polymer in-fill in the filled relief region (114, 116) is greater proximate the respective end face (110) than remote from the respective end face (110).

IPC Classes  ?

• F16C 33/74 - Sealings of sliding-contact bearings
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• F16C 17/24 - Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired conditions, e.g. for preventing overheating, for safety
• F16C 33/04 - BrassesBushesLinings
• F16C 33/24 - BrassesBushesLinings with different areas of the sliding surface consisting of different materials
• F16C 33/10 - Construction relative to lubrication

Abstract

A crankshaft comprising a plurality of main journal bearing surfaces (102), a plurality of connector rod bearing surfaces (104), and at least one oil feed passageway (110) internal to the crankshaft, each of the at least one oil feed passageways (110) communicating with an inlet (122) and a plurality of outlets (124) located within bearing surfaces (102, 104), and wherein the inlet (122) is located within a first main journal bearing surface, and at least one of the outlets (124) is located within a further main journal bearing surface, and an engine and a vehicle comprising such a crankshaft.

IPC Classes  ?

• F16C 33/10 - Construction relative to lubrication
• F16C 3/14 - Features relating to lubrication

Abstract

A sliding bearing for an internal combustion engine having a plastics polymer-based composite layer on a substrate, the composite layer comprising: a matrix of plastics polymer- based material having distributed throughout the matrix; 0.1 to 5 %vol carbon nanostructures; and incidental impurities; and a method of manufacture of such a sliding bearing.

IPC Classes  ?

• F16C 33/20 - Sliding surface consisting mainly of plastics
• F16C 9/00 - Bearings for crankshafts or connecting-rodsAttachment of connecting-rods

Abstract

A sliding bearing having a composite layer comprising carbon nanos- tructures (6) incorporated within a metallic matrix (5), and a method of manufacture of such a sliding bearing by electroplating.

IPC Classes  ?

• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing
• F16C 33/14 - Special methods of manufactureRunning-in
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites

Abstract

A method of manufacturing a sliding bearing comprising providing a substrate as a cathode in an electrolyte within which a hard particulate is suspended, and depositing a composite layer of hard particulate embedded in a metallic matrix by applying a repeating cycle of bias pulses to the substrate wherein each cycle comprises a high cathodic bias portion and a further bias portion selected from the group consisting of a low cathodic bias portion, a zero cathodic bias portion and an anodic bias portion, and a sliding bearing manufactured by such a method.

IPC Classes  ?

• C25D 5/18 - Electroplating using modulated, pulsed or reversing current
• C25D 7/10 - Bearings
• C25D 15/00 - Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires

Abstract

A flanged half-bearing (330) comprising at least one substantially semi-annular thrust washer (100A, 100B) with an internal periphery having lateral lugs (104A, 104B) and an Intermediary stabilisation lug (106) projecting from the Internal periphery (108) of the thrust washer, and a semi-cylindrical half journal bearing shell (220) having lateral recesses (226A, 226B) and an intermediary stabilisation recess (228) that are recessed into an axial end face (224A, 224B) of the bearing shell and are respectively connected to the lateral lugs and the stabilisation lug of the thrust washer, wherein the stabilisation lug (106) has rotational stabilisation edges (114) that project substantially perpendicularly from the inner periphery (108) of the thrust washer, and the stabilisation recess (228) is configured for axial relative movement of stabilisation lug; and an engine comprising at least one such flanged half-bearing (330).

IPC Classes  ?

• F16C 17/10 - Sliding-contact bearings for exclusively rotary movement for both radial and axial load
• F16C 43/02 - Assembling sliding-contact bearings

Abstract

A crankshaft comprising a plurality of main journal bearing surfaces (102), a plurality of connector rod bearing surfaces (104), and at least one oil feed passageway (110) internal to the crankshaft, each of the at least one oil feed passageways (110) communicating with an inlet (122) and a plurality of outlets (124) located within bearing surfaces (102, 104), and wherein the inlet (122) is located within a first main journal bearing surface, and at least one of the outlets (124) is located within a further main journal bearing surface, and an engine and a vehicle comprising such a crankshaft.

IPC Classes  ?

• F16C 3/14 - Features relating to lubrication

Abstract

A bearing arrangement comprising a bearing shell, and a bearing shell receiving element, wherein the bearing shell is cylindrical or part-cylindrical and has a circumferential oil supply slot, and the bearing shell receiving element has an oil supply channel located in correspondence with the oil supply slot.

IPC Classes  ?

• F01M 1/06 - Lubricating systems characterised by the provision therein of crankshafts or connecting-rods with lubricant passageways, e.g. bores
• F01M 11/02 - Arrangements of lubricant conduits
• F16C 3/14 - Features relating to lubrication
• F16C 9/02 - Crankshaft bearings

Abstract

There is disclosed a split bearing comprising a semi-cylindrical bearing member having a concave bearing surface extending throughout the length thereof to a parting face at each opposed circumferential end of the bearing member. The bearing surface has formed thereon a sprayed bearing overlay extending over the whole bearing surface except for crush relief regions adjacent to the parting faces. The bearing member has a substantially constant outer diameter and inner diameter except at the crush relief regions, where the inner diameter is larger than at other regions of the bearing surface. There is also disclosed a method of making such a bearing. Less overlay material is required than in conventional split bearings.

IPC Classes  ?

• C23C 4/02 - Pretreatment of the material to be coated, e.g. for coating on selected surface areas
• C23C 4/08 - Metallic material containing only metal elements
• C23C 4/18 - After-treatment
• C23C 30/00 - Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
• F16C 33/00 - Parts of bearingsSpecial methods for making bearings or parts thereof
• F16C 33/06 - Sliding surface mainly made of metal
• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing
• F16C 33/20 - Sliding surface consisting mainly of plastics

Abstract

A half bearing (10, 102) and bearing assembly are described, the bearing comprising at least one circumferential groove (16, 108) intermediate axial ends of the bearing, at least one sealing member (14, 104) located in the at least one groove (16, 108) and adapted to seal with a co-operating journal member (48), in use, said sealing member being urged against said journal member (48) in use by an associated oil supply which provides oil pressure onto a back surface of the sealing member through an oil supply hole (28, 116) in the bearing.

IPC Classes  ?

• F16C 9/02 - Crankshaft bearings
• F16C 33/10 - Construction relative to lubrication
• F16C 33/74 - Sealings of sliding-contact bearings

Abstract

A bearing bush is described wherein the bush bore at the axial ends of the bush is provided with relieved portions extending at least a part of the distance around a circumference of the bush, the relieved portions being in the form of grooves in the bore surface.

IPC Classes  ?

• F16C 9/04 - Connecting-rod bearingsAttachment thereof
• F16C 33/10 - Construction relative to lubrication

Abstract

A plastics polymer-based bearing material and a method manufacture thereof are described, the material comprising a matrix of a polyimide/amide plastics polymer material and having distributed throughout the matrix: from 5 to less than 15 vol% of a metal powder; from 1 to 15 vol% of a fluoropolymer, the balance being the polyimide/amide resin apart from incidental impurities.

IPC Classes  ?

• F16C 33/20 - Sliding surface consisting mainly of plastics
• C08L 79/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
• C08K 3/08 - Metals
• C08L 27/18 - Homopolymers or copolymers of tetrafluoroethene

Abstract

A bearing material and a method for the manufacture of a bearing having a lining of the bearing material is described, the bearing material comprising: in wt%: 4-12 tin; 0.1 - 2 nickel; 1 - 6 bismuth; 0.01 - less than 0.10 alumina; balance copper apart from incidental impurities.

IPC Classes  ?

• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing
• C22C 9/02 - Alloys based on copper with tin as the next major constituent
• F16C 33/14 - Special methods of manufactureRunning-in