CVT belts have a body extending over the entire section of the belt and have cords made with carbon or PBO fibres and having a central Axis I along their length. The body is made from a single compound-of a nitrile group-containing copolymer rubber as main elastomer. The belt has a top toothing, an axis A orthogonal to said central axis and extending at a point where the thickness of the belt is the highest, a cross-section defined by a section plane orthogonal to said central axis I and taken at the axis A. The cross-section has a trapezoidal shape, a top side defining a top width, a bottom side defining a bottom width, and two lateral sides.
Toothed belt 1 of a belt transmission system, in particular for bicycles, motorcycles, scooters and the like. The toothed belt 1 comprises a body made of elastomeric material, a strip portion 2 extending along a longitudinal axis AL, a plurality of cords 3 embedded in the elastomeric material of the belt portion 2 and a toothing 12 adapted to mesh with a toothed pulley of the belt transmission system. The toothing 12 consists of a plurality of teeth 13, which protrude from the belt portion 2, are parallel to a transverse axis orthogonal AT to the longitudinal axis AL and are interspersed, along the longitudinal axis, with a series of cavities 14. The teeth comprise respective base portions 15, which are arranged at a bottom surface of the cavities and have a width W equal to that of the strip portion 2, along said transverse axis, so as to define, together with the strip portion 2, two opposite sides 16, 17. Each tooth 13 also comprises a respective apex portion 18, which is spaced from the sides through respective lateral recesses 19 so that it has a width smaller than that of the base portions 15 and the belt portion 2.
Power transmission belts are disclosed that have a body made of a first elastomeric material, a plurality of cords embedded in the body of the belt, a back and a plurality of ribs or teeth. The back, ribs, or the teeth are covered by a covering material of woven fabric, knitted fabric, and non-woven fabric, which is treated with a treatment composition that includes polyurethane, polytetrafluoroethylene, and polycarbodiimide.
F16G 1/21 - Driving-belts built-up from superimposed layers, e.g. zig-zag folded
D03D 15/283 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
D03D 15/513 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
D03D 15/56 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
D04B 21/00 - Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machinesFabrics or articles defined by such processes
D06M 15/256 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
D06M 15/564 - Polyureas, polyurethanes or other polymers having ureide or urethane linksPrecondensation products forming them
Power transmission belt comprising a body (2) formed of a compound comprising a main elastomer, and a plurality of longitudinal cords (3) embedded in the belt body and a back (7). The cords have an elastic modulus varying less than 10% in a range of tension applied to the cord between 4.5% and 8.5% of the breaking load of the cord itself.
A power transmission belt comprising a body (102) made of a compound comprising a main elastomer, a toothing (104) and a plurality of longitudinal cords (103) embedded in the belt body and a backing (107), wherein: - the main elastomer constitutes at least 70% by weight of all the elastomeric materials of the body - the main elastomer is a copolymer of ethylene alpha olefin - the body comprises at least 12% by weight of fibres - the fibres are selected from the group consisting of glass, aramid, polyester, carbon, poly(p-phenylene-2,6-benzobisoxazole) PBO, polyamide, polyether ether ketone (POK), polyether ether ketone (PEEK), polyvinyl acetate (PVA), liquid crystal (LPC), polyethylene naphthalate (PEN), aliphatic polyamide - the fibres are between 1 and 6 mm in size - the teeth are covered with a covering material (108) selected from the group consisting of woven fabric, knitted fabric, non-woven fabric - the covering material is treated with a polymer containing nitrile groups - the covering material is coated with a second treatment (109) comprising an elastomer and an anti-friction material.
Power transmission belts described herein have a nitrile group-containing copolymer rubber that has an acrylonitrile unit, a monomer unit of α,β-ethylenically unsaturated nitrile monomer other than acrylonitrile, and a conjugated diene monomer unit. The nitrile group-containing copolymer rubber has an iodine value of 120 or less a total of the acrylonitrile unit and the monomer unit of α,β-ethylenically unsaturated nitrile monomer other than acrylonitrile is 1 to 50% by weight in the total monomer unit, and a weight ratio of the acrylonitrile unit and the monomer unit of α,β-ethylenically unsaturated nitrile monomer other than acrylonitrile is 10:90 to 90:10.
Power transmission belt comprising a body 102 comprising a first elastomeric material, a plurality of cords 103 not made of metallic material embedded in the belt body, a back 107 and a toothing 106 covered by a first cover material 108 not made of metallic material, wherein : Wg = Weight (gr) P = Pitch (cm) N = Number of teeth Wi = Width (cm) T = Land area (cm) H = Tooth height (cm) E = Tooth root (cm) Teta = angle θ (rad) A = tooth area E*H-Ae (cm2) Q = Wg/ ( (E*H- (H) *H*Tan (theta) ) *Wi*N+N*P*Wi*T) ) and Q > 1.45.
A power transmission belt having a body made of a first elastomeric material, a plurality of cords embedded in the body of the belt, a back and a plurality of ribs or teeth. The back or the ribs or the teeth are covered by a covering material chosen from the group composed of woven fabric and knitted fabric. The covering material includes elastolefin fibres, and preferably at least one elastolefin thread.
Transmission module for a hybrid drive assembly for a vehicle, the hybrid drive assembly comprising an internal combustion engine provided with a drive shaft, at least one electrical machine (2) and a transmission of the vehicle, the transmission module being configured to be interposed between the engine and the transmission and comprising: a support structure (11) configured to be secured to the engine and defining a housing (23); a transmission assembly (12) housed in the housing (23) defined by the support structure (11) and comprising a first element (41) and a second element (42), wherein the first element (41) has an axis (A) coincident, in use, with the axis of the drive shaft and is configured to be operatively connected to the engine and the electrical machine (2), wherein the second element (42) is configured to be connected to the transmission of the vehicle, wherein the first element (41) and the second element (42) are distinct components which are rigidly coupled to each other.
B60K 6/26 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
A power transmission belt (101) comprising a body (102), a plurality of cords (103) embedded in the belt body, a back (107) and a plurality of teeth (106). The back (107) and/or the teeth (106) are covered with a cover material (108, 110) selected from the group consisting of woven fabrics and knitted fabrics. The body comprises, for at least 60% by weight of the total weight of the body, an elastomeric material formed of a mixture of one or more copolymers, obtained from a diene monomer and a monomer containing nitrile groups, modified with a salt of an unsaturated carboxylic acid.
A filtering pulley (1) comprising a hub (2) adapted to be fixed to a shaft rotating around an axis (A) and a crown (3) mounted in a rotationally free coaxial way with respect to the hub ( 2 ), the crown (3) defining at least one profile (6) configured to cooperate with a mechanical transmission element, the hub (2) defining a main portion (7') configured to connect the hub (2) to the rotating shaft and an end portion (7'') extending axially from the tubular portion (2') the pulley (1) comprising a filtering group (8) operatively interposed between the hub (2) and the crown (3), the filtering group (8) comprising a cup element (15) defining a space (11), and comprising elastic means (12) movably housed inside the space (11) and actuator means (13) configured to cooperate in contact with the elastic means (12), the pulley (1) comprising a damper (25) integral with the hub ( 2 ), the actuator means (13) and the damper (25) being carried by the end portion (7'') of the hub (2).
F16F 15/14 - Suppression of vibrations in rotating systems by making use of members moving with the system using freely-swinging masses rotating with the system
A pressure-applied cap (2) for a vehicular system (1), comprising a first metal layer (3) and a second polyamide layer (4) in direct contact with the first metal layer (3) and entirely covering the first metal layer (3), the pressure-applied cap (2) comprising a weakened portion (6) configured to break under the action of a predetermined force.
F02B 77/00 - Component parts, details, or accessories, not otherwise provided for
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
F01P 11/20 - Indicating devicesOther safety devices concerning atmospheric freezing conditions, e.g. automatically draining or heating during frosty weather
13.
DEVICE AND METHOD FOR REMOVING A LOCK-UP PIN OF A TENSIONER FOR A BELT DRIVE
Device for removing a lock-up pin (2) of a tensioner (3), comprising a main body (11) provided with a key (34) couplable to a loading element (35) integral with an arm (5) of the tensioner (3), a lever (12) rigidly coupled to the main body (11), a sliding element (13) prismatically coupled to the main body (11) and movable with respect to it along a first axis (C) parallel to an axis of the lock-up pin (2) when the key (34) is coupled to the loading element (35), at least one magnet (71) carried by the sliding element (13) and configured to interact with the lock-up pin (2) of the tensioner (3), the sliding element (13) being movable between a rearward rest position and a forward position of coupling with the lock-up pin (2), and elastic means (91) exerting on the sliding element (13) an elastic force parallel to said direction of relative motion between the main body (11) and the sliding element (13) to return the sliding element (13) from the forward position to the rest position.
B25B 27/04 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing keys
F16H 7/08 - Means for varying tension of belts, ropes, or chains
This invention relates to CVT belt having a body 2 extending over the entire section of the belt and comprising cords 3 comprising carbon or PBO fibres and having a central Axis I along their length. The body is made from a single compound comprising a nitrile group-containing copolymer rubber as main elastomer. The belt has a top toothing (4), an axis A orthogonal to said central axis and extending at a point where the thickness of the belt is the highest, a cross-section defined by a section plane orthogonal to said central axis I and taken at the axis A. The cross-section has a trapezoidal shape, a top side (7) defining a top width, a bottom side (8) defining a bottom width and two lateral sides (9, 10).
Power transmission belt (1, 101) comprising a body (2, 102) made of a first elastomeric material, a plurality of cords (3, 103) embedded in the body of the belt, a back (8, 107) and a plurality of ribs (5) or teeth (106): the back (8) or the ribs (5) or the teeth (106) are covered by a covering material (9, 10, 108, 110) selected from the group consisting of woven fabric, knitted fabric. The covering material is treated with a treatment comprising polyurethane, polytetrafluoroethylene and polycarbodiimide.
Control method for a vehicle provided with a hybrid drive system, this method comprising the steps of : i) reading a signal indicating the braking request; ii) associating the braking request with a resistance torque to the electric machine to generate a specific current; iii) carrying out in parallel the checks in steps iv) -v) iv) if the maximum resistance torque that can be supplied by the electric machine has been reached, supply this maximum value; v) if the charge limit of the electric batteries has been reached, supply a corresponding maximum resistance value; vi) return to step i).
B62M 6/55 - Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
B62M 11/06 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with spur gear wheels
F16H 3/091 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
F16H 3/10 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts with one or more one-way clutches as an essential feature
F16H 63/18 - Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism the final actuating mechanism comprising cams
A filtering pulley (1) comprising a hub (2), which is designed to be fixed to a rotary shaft rotating around an axis (A), and a crown (3), which is coaxial to said hub (2), the filtering pulley (1) comprising a filtering assembly (8) operatively interposed between the hub (2) and the crown (3) and comprising a housing (9) integral to the crown (3) and carried so that it can freely rotate relative to the hub (2) by means of support means (4), the filtering assembly (8) defining a space (11) and comprising elastic means (12), which are housed inside the space (11) in a movable manner, and actuator means (13), which are configured to cooperate in contact with the elastic means (12), the actuator means (13) being manufactured as one single piece together with a tubular portion (2a) of the hub (2) and the housing (9) cooperating in contact with the radial inner surface (5a) of the crown (3).
F16F 15/12 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
A filtering pulley (1) for an accessory transmission of an internal combustion engine, comprising a hub (2), a crown (3), and a filtering unit (4) for transmitting the torque that is interposed between the hub (2) and the crown (3) and comprising a torsion spring (11), a carrier (12), and a torque limiting joint (20), the torque limiting joint (20) comprising an open-loop strip spring (21) and being configured to slide with respect to said surface (3' ' ) when the torque transmitted between the crown (3) and the hub (2) reaches a predetermined level (T1, T2).
F16F 15/14 - Suppression of vibrations in rotating systems by making use of members moving with the system using freely-swinging masses rotating with the system
F16F 15/129 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon characterised by friction-damping means
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Belts for motors and engines; power transmission belts; pulleys; belts tensioners (for machines), balancers for motors and engines; their parts and fittings comprised in this class. Power transmission belts for land vehicles, belt tensioners for land vehicles, belt pulleys for land vehicles, their parts and fittings comprised in this class; balancers for engines for land vehicles.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Belts for motors and engines; power transmission belts; pulleys; belts tensioners (for machines), balancers for motors and engines; their parts and fittings comprised in this class. Power transmission belts for land vehicles, belt tensioners for land vehicles, belt pulleys for land vehicles, their parts and fittings comprised in this class; balancers for engines for land vehicles.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Belts for motors and engines; power transmission belts; pulleys; belts tensioners (for machines), balancers for motors and engines, balancers for engines for land vehicles; their parts and fittings comprised in this class. Power transmission belts for land vehicles, belt tensioners for land vehicles, belt pulleys for land vehicles, their parts and fittings comprised in this class.
Filtering pulley (1) for an accessory transmission of an internal combustion engine, comprising a hub (2), an annular crown (3) provided with a profile configured to cooperate with a transmission belt (5), externally coaxial around an axis (A) to the hub (2) and supported in rotationally free motion on the hub (2) itself, and a filtering unit (4) for transmitting the torque interposed between the hub (2) and the crown (3) and comprising a torsion spring (11), a carrier (12) and a torque limiting joint (20), the torsion spring (11), the carrier (12) and the torque limiting joint (20) cooperating with each other to transmit a torque between the hub (2) and the crown (3), the pulley (1) comprising damping means (30) carried by a member integral with one of the hub (2) and crown (3), the damping means (30) being configured to provide variable damping according to said torque.
F16F 15/121 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
A transmission belt has a body of a first elastomeric material, a plurality of cords, and a plurality of V-shaped ribs. The V-shaped ribs are arranged side by side and alternate with V-shaped grooves. The V-shaped ribs extend along the transversal axis of the belt. The belt has a first toothing and a second toothing formed by a plurality of teeth that extend obliquely to the transversal axis of the belt, thereby forming therewith respective helix (alpha, beta) angles different from 0°. Power transmission systems that include such a transmission belt are disclosed.
F16G 5/08 - V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber with textile reinforcement
F16H 7/02 - Gearings for conveying rotary motion by endless flexible members with beltsGearings for conveying rotary motion by endless flexible members with V-belts
F16G 5/20 - V-belts, i.e. belts of tapered cross-section with a contact surface of special shape, e.g. toothed
24.
TENSIONER WITH DUAL DAMPING SYSTEM FOR A BELT DRIVE
Tensioner comprising a fixed part (2) provided with a pivot (4) defining an axis (A), an eccentric arm (5) rotatably mounted on the pivot (4) about the axis (A), a pulley (6) rotatable about an axis (B) defined by the arm (5) and configured to cooperate with a timing belt, a first spring-damper assembly (7) interposed between the arm (5) and the fixed part (2), and a second spring-damper assembly (11) configured to act between the arm (5) and the fixed part (2) from a predetermined angle of rotation of the arm (5) with respect to the fixed part (2).
This invention relates to a power transmission belt (1) comprising a nitrile group-containing copolymer rubber comprising an acrylonitrile unit (a), a monomer unit (b) of α,β-ethylenically unsaturated nitrile monomer other than acrylonitrile, and a conjugated diene monomer unit (c) and having an iodine value of 120 or less, wherein a content of the total of the acrylonitrile unit (a) and the monomer unit (b) of α,β-ethylenically unsaturated nitrile monomer other than acrylonitrile is 1 to 50% by weight in the total monomer unit, and a content ratio of the acrylonitrile unit (a) and the monomer unit (b) of α,β-ethylenically unsaturated nitrile monomer other than acrylonitrile is 10:90 to 90:10 in a weight ratio of "content of acrylonitrile unit (a) : content of monomer unit (b) of α,β-ethylenically unsaturated nitrile monomer other than acrylonitrile.
Filtering pulley (1) comprising a hub (2) adapted to be fixed to a rotating shaft, a crown (3) mounted coaxially and rotationally free on the hub (2), at least one elastic group (30) arranged circumferentially with respect to the hub (2) and the crown (3) and interposed, each, between a pair of first elements (50) integral with the hub (2) and between a pair of second elements (16) integral with the crown (3), the pulley (1) comprising a dust protection system (40) configured to isolate the at least one elastic group (30) with respect to the external environment and to provide an axial force generating a damping to the movement between the hub (2) and the crown (3).
Filtering pulley (1) comprising a hub (2) adapted to be fixed to a rotating shaft, a crown (3) mounted coaxially and rotationally free on the hub (2), at least one elastic group (30) arranged circumferentially with respect to the hub (2) and the crown (3) and interposed, each, between a pair of first elements (50) integral with the hub (2) and between a pair of second elements (16) integral with the crown (3), the at least one elastic group (30) is placed with a circumferential interference (β) with respect to the first elements (36) integral with said hub (2).
Filtering pulley (1) comprising a hub (2) adapted to be fixed to a rotating shaft, a crown (3) mounted coaxially and rotationally free on the hub (2), at least one elastic group (30) arranged circumferentially with respect to the hub (2) and the crown (3) and interposed, each, between a pair of first elements (50) integral with the hub (2) and between a pair of second elements (16) integral with the crown (3), the pulley (1) comprising a dust protection lip (50) carried integrally by said hub (2) and configured to slide, in tight manner, with respect to an element (7, 8) integral with said crown (3), said dust protection lip (50) being a labyrinthine sealing lip.
A power transmission belt (1, 101) comprising a body (2, 102) made of a first elastomeric material, a plurality of cords (3, 103) embedded in the body of the belt, a back (8, 107) and a plurality of ribs ( 5 ) or teeth (106) : the back (8) or the ribs (5) or the teeth (106) are covered by a covering material (9, 10, 108, 110) chosen from the group composed of woven fabric and knitted fabric. The covering material comprises elastolefin fibres, and preferably comprises at least one elastolefin thread.
A control method of a hybrid powertrain (1) for a vehicle comprising an internal combustion engine (2), an electrical machine (3) connected to a crankshaft (7) of the internal combustion engine (2) via a transmission (5) and a control unit (17); the method comprises a first step (21) of acquisition of first data comprising data (M1, M2, M3) representative of the efficiency of the internal combustion engine (2), of the electrical machine (3) and of the transmission (5), a second step (22) of acquisition of second data representative of operating conditions of the vehicle, and a third step (24) of processing in which a distribution of the torque between the internal combustion engine (2) and the electrical machine (3) is calculated.
B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
B60W 20/16 - Control strategies specially adapted for achieving a particular effect for reducing engine exhaust emissions
B60W 20/11 - Controlling the power contribution of each of the prime movers to meet required power demand using model predictive control [MPC] strategies, i.e. control methods based on models predicting performance
A filtering pulley (1) for an accessory transmission of an internal combustion engine, comprising a hub (2), a crown (3), and a filtering unit (4) for transmitting the torque interposed between the hub (2) and the crown (3) and comprising a torsion spring (11), a carrier (12), and a torque limiting joint (20), the torque limiting joint (20) comprising an open-loop strip spring (21) and being configured to slide with respect to said surface (3'') when the torque transmitted between the crown (3) and the hub (2) reaches a predetermined level (T1, T2).
A filtering pulley (1) for an accessory transmission of an internal combustion engine, comprising a hub (2), a crown (3), and a filtering unit (4) for transmitting the torque interposed between the hub (2) and the crown (3) and comprising a torsion spring (11), a carrier (12), and a torque limiting joint (20), the torque limiting joint (20) comprising an open-loop strip spring (21) and being configured to slide with respect to said surface (3'') when the torque transmitted between the crown (3) and the hub (2) reaches a predetermined level (T1, T2).
A tensioner for an accessory drive of an internal combustion engine (2) comprising a belt (8) at least on a first pulley (3) connected to a drive shaft (4) of the engine (2) and a second pulley (5) connected to an electric machine (7), the tensioner comprising a base (11) configured to be fixed to a casing (13) of the electric machine, a first ring (15) rotating with respect to the base (11) about a first axis (A1), a second ring (20) rotating with respect to the first ring (15) about a second axis (A2) distinct from the first axis (Al), a first tensioning pulley (23) carried by the first ring (15) and rotating with respect to it about its own axis (PA1), a second tensioning pulley (27) carried by the second ring (20) and rotating with respect to it about its own axis (PA2) and elastic means (34) acting on the first and on the second ring (15; 20) to push the first and the second pulleys (23, 27) into contact with respective spans (8a; 8b) of the belt.
A filter pulley (1) comprising a hub (2) configured to be fixed to a shaft rotating around an axis (A), a crown (3) mounted coaxial and rotationally free on the hub (2), a plurality of elastic groups (20) arranged circumferentially with respect to the hub (2) and to the crown (3) and interposed, each, between a pair of first elements integral to the hub (2) and between a pair of second elements (16,17) integral to the crown (3), the first elements including at least two spokes (31), carried by an actuator (30), wherein the actuator (30) is made of two portions (32, 33) that can be selectively coupled based on angular position data between the crown (3) and the hub (2) and/or based on data of torque transmitted between the different elements of the system comprising this pulley (1).
F16D 27/00 - Magnetically-actuated clutchesControl or electric circuits therefor
F16D 43/26 - Internally controlled automatic clutches actuated entirely mechanically acting at definite angular position or disengaging after a definite number of rotations
F16D 43/20 - Internally controlled automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
A Filtering pulley (1) comprising a hub (2) configured to be fixed to a shaft rotating around an axis (A), a crown (3) mounted coaxial and rotationally free on the hub (2), a plurality of elastic groups (20) arranged circumferentially with respect to the hub (2) and to the crown (3) and interposed, each, between a pair of first elements integral with the hub (2) and between a pair of second elements (16, 17) integral with the crown (3), the first elements comprising at least two spokes (31), carried by an actuator (30), wherein the actuator (30) is made of two portions (32, 33) that are selectively geared between them to selectively connect the crown (3) to the hub (2).
F16D 1/08 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hubCouplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with hub and longitudinal key
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Belts for motors and engines; power transmission belts;
pulleys; belts tensioners (for machines); fueling nozzles
for filling fuel tanks of land vehicles; parts and fittings
of the aforementioned goods, included in this class. Power transmission belts for land vehicles; belt tensioners
for land vehicles; hydrocarbon emission control devices for
land vehicles; parts and fittings of the aforementioned
goods, included in this class. Flexible pipes and tubes not of metal; fluid conveying hose;
parts and fittings of the aforementioned goods, included in
this class.
37.
TENSIONER FOR AN ACCESSORY DRIVE OF A MOTOR VEHICLE AND ACCESSORY DRIVE INCLUDING SUCH A TENSIONER
Two-arm tensioner for an accessory drive (2) of an internal combustion engine (1), including a first arm (11) and a second arm (12) rigidly connected to each other and rotating around a common rotation axis (A), a first pulley (13) connected to the first arm (11) and rotatable around its own first axis (C), a second pulley (14) connected to the second arm (12) and rotatable around its own second axis (E), in which the first pulley (13) is carried by a working arm (17) linked to the first arm (11) and rotatable with respect to it around a third axis (B) distinct from the first axis (D), and an elastic element (18) configured to exert on the working arm (17) an elastic force tending to bring the first pulley (13) closer to the second pulley (14), the third axis being inside the first pulley.
A pulley unit comprising a hub (3) configured to be connected to a crankshaft, a pulley (7) coaxial to the hub (3) and supported in a rotationally free manner with respect thereto, a clutch (8) interposed between the hub (3) and the pulley (7), and an actuator (27) for controlling the clutch (8); the clutch (8) comprises an inner disc (12) rotationally coupled to the hub (3) and having an engagement portion (18; 64) housed inside the pulley (7), a mobile member (24) axially movable between an engagement position wherein it rotationally couples the pulley (7) to the engagement portion (18; 64) of the inner disc (12) and a disengagement portion wherein the pulley (7) is rotationally free with respect to the inner disc (12), and an elastic element (25) acting on the mobile member (24) to push it towards the engagement position.
F16D 11/14 - Clutches in which the members have interengaging parts with clutching members movable only axially
F16D 27/09 - Magnetically-actuated clutchesControl or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings and with interengaging jaws or gear-teeth
F16D 27/105 - Magnetically-actuated clutchesControl or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with a helical band or equivalent member co-operating with a cylindrical coupling surface
F16D 27/112 - Magnetically-actuated clutchesControl or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members with flat friction surfaces, e.g. discs
39.
POWER TRANSMISSION BELT AND ITS TRANSMISSION SYSTEM
A toothed transmission belt (1) comprising a body (2) of a first elastomeric material, a plurality of teeth (4) transversal to the belt and a plurality of cords (3) embedded in the body and a back (7). The belt furthermore comprises at least a helical element (10) transversal to the belt and arranged at least partially inside said teeth.
A transmission module (1) for a hybrid drive vehicle configured to be interposed between an internal combustion engine (E) and a transmission (T) of the vehicle, including a tray-like support structure (5) configured to be secured to the engine (E) and defining a housing (22) for a clutch (23) to be interposed between a crankshaft (7) of the internal combustion engine (E) and the said module (1), and an actuator (34) for controlling the clutch (23), wherein the actuator (34) includes an annular chamber (36) provided in the support structure (5) and open towards the housing (22) for the clutch, an annular piston (35) housed in the annular chamber (36) in an axially sliding and angularly fixed way, and a thrust member (46) coupled in a rotationally free manner to the piston (35), coaxial thereto and operable to cooperate with a control member (30) of the clutch (23) under the thrust of the piston (35).
A power transmission system comprising a transmission belt (10) comprising a body (13) comprising a first elastomeric material, a plurality of cords (14) and a plurality of V-shaped ribs (19) arranged side by side to one other and alternating with V-shaped grooves (20), and extending along the transversal axis A of the belt. The belt comprises a first toothing (26) and a second toothing (27) formed by a plurality of teeth (28, 29) and extending obliquely to the transversal axis A of the belt forming therewith respective helix (alpha, beta) angles different from 0°.
A powertrain (1) comprising an internal combustion engine (2) provided with an accessory transmission (19) comprising a first pulley (21) connected to a crankshaft (3) of the engine (2), a second pulley (22) connected to a shaft (33) of an electric machine (23), and a belt (27) connecting the first and the second pulleys to each other to rotate in the same direction of rotation (R), wherein the electric machine (23) is operated to supply an active torque to the second pulley (22) during start-up of the internal combustion engine (22) by means of a starter motor (30).
B60K 25/02 - Auxiliary drives directly from an engine shaft
B60K 6/20 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Belts for motors and engines; power transmission belts [other than for land vehicles]; pulleys; belts tensioners (for machines); fuel tank fill nozzles for land vehicles; emission reduction units for motors and engines namely hydrocarbon emission reduction devices for motors and engines for land vehicles; their parts and fittings comprised in this class. Power transmission belts for land vehicles; timing or drive belt tensioners for land vehicles; their parts and fittings comprised in this class.
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Belts for motors and engines; power transmission belts, namely, power transmission belts and drive belts for engines and motors not for land vehicles; pulleys, namely, belt pulleys for motors and engines, drive pulleys for motors and engines, tensioner pulleys for motors and engines; belts tensioners for motors and engines used in industrial machines and applications; fueling nozzles for filling fuel tanks of land vehicles
(2) Power transmission belts for land vehicles; belt tensioners for land vehicles; hydrocarbon emission control devices for land vehicles, namely, an emission control device consisting primarily of a deck fitting for filling fuel and a fuel vent
(3) Flexible pipes and tubes not of metal, namely, pipes and tubes for use in land vehicles, heavy duty trucks, namely, fuel lines hoses, power brake vacuum hose, power steering hoses, air brake hoses; fluid conveying hose, namely, coolant hoses made of silicone and rubber for engines and machinery and for motors and engines used in industrial applications; plastic hoses for plumbing use; fuel oil hoses, not of metal; heater hoses made of silicone and rubber for engines and machinery and for motors and engines used in industrial applications; hoses of rubber for agricultural purposes, hoses of plastic for agricultural purposes, hoses for pneumatic tools, hydraulic hoses of plastic, hydraulic hoses of rubber, vehicle radiator hoses.
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Belts for motors in the nature of fan belts, timing belts, dynamo belts, drive belts; Belts for engines; Power transmission belts for use in industrial applications and for machines, not for land vehicles; Pulleys for being parts of machines; Combustion engine fueling nozzles for filling fuel tanks of land vehicles; parts and fittings of the aforementioned goods, included in this class Power transmission belts for land vehicles; Hydrocarbon emission control devices for land vehicles, namely, an emission control device consisting primarily of a deck fitting for filling fuel and a fuel vent; parts and fittings of the aforementioned goods, included in this class Flexible pipes and tubes not of metal; Fluid conveying hose, namely, non-metal hoses for use in machines, industrial applications, vehicle industry and automobile industry; parts and fittings of the aforementioned goods, included in this class
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Belts for motors and engines; power transmission belts;
pulleys; belts tensioners (for machines); fueling nozzles
for filling fuel tanks of land vehicles; parts and fittings
of the aforementioned goods, included in this class. Power transmission belts for land vehicles; belt tensioners
for land vehicles; hydrocarbon emission control devices for
land vehicles; parts and fittings of the aforementioned
goods, included in this class. Flexible pipes and tubes not of metal; fluid conveying hose;
parts and fittings of the aforementioned goods, included in
this class.
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Belts for motors and engines; power transmission belts; pulleys; belts tensioners (for machines); their parts and fittings comprised in this class. Power transmission belts for land vehicles; belt tensioners for land vehicles; fuel tank fill nozzles for land vehicles; hydrocarbon emission control devices for land vehicles; their parts and fittings comprised in this class. Flexible pipes and tubes not of metal; fluid conveying hose; their parts and fittings comprised in this class.
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Belts for motors and engines; power transmission belts; pulleys; belts tensioners (for machines); their parts and fittings comprised in this class. Power transmission belts for land vehicles; belt tensioners for land vehicles; fuel tank fill nozzles for land vehicles; hydrocarbon emission control devices for land vehicles; their parts and fittings comprised in this class. Flexible pipes and tubes not of metal; fluid conveying hose; their parts and fittings comprised in this class.
49.
ACCESSORY TRANSMISSION FOR A POWERTRAIN GROUP OF A VEHICLE AND POWERTRAIN GROUP COMPRISING SUCH TRANSMISSION
Accessory transmission (19) for an engine (2) of a motor vehicle, comprising a first pulley (21) adapted to be connected to a crankshaft (3) of the engine (2), a second pulley (22) adapted to be connected to a shaft (33) of an electric machine (23) through a one-way clutch (29), and a belt (27) connecting the first and the second pulley to one another in order to rotate in one and the same rotation direction (R), wherein the one-way clutch (29) is configured so as to couple the second pulley (22) to the shaft (24) of the electric machine (23) when the electric machine (23) drives the second pulley (22) in the rotation direction, and to decouple the second pulley (22) from the shaft of the electric machine (23) when the second pulley (22) tends to overrun the electric machine (23) in the rotation direction.
F16H 7/08 - Means for varying tension of belts, ropes, or chains
F02B 67/06 - Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functionsDriving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
A tensioner for a belt transmission of a motor vehicle engine, comprising : a fixed part (2) configured to be constrained to the engine and provided with a pin (7) defining a rotation axis (A); an arm (3) having a hub portion (10) hinged on the pin (7) and rotatable about the axis (A) and an opposite portion (9) rotatably supporting a pulley (4) configured to cooperate with a transmission belt; a main spring (5) interposed between the fixed part (2) and the arm (3) to exert a thrust on the arm (3) such as to rotate the arm towards the belt; at least one rolling bearing (14, 15) supporting the arm (3) on the pin (7); and a pair of damping devices (27, 28) exerting on the arm (3) opposite actions so as to minimize the load on the bearing (14).
A transmission module (1) for a hybrid drive vehicle adapted to be interposed between an internal combustion engine (E) and a vehicle transmission (T) and comprising a tray-like support structure (5) defining a housing (38) for a decoupling clutch (21) and adapted to be fixed to the internal combustion engine (E), and a module drive (6) carried by the support structure (5) and comprising a first transmission member (20) adapted to be connected to the decoupling clutch (21) by means of a torsional vibration damper (22) and a second transmission member (23) adapted to be connected to an electric machine (2); the damper (22) comprises an actuator (51) defining a centering with respect to the crankshaft (7) and to a transmission torque converter (T) and a seat for a support bearing (50) with respect to the support structure (5).
A transmission module (1) for a hybrid drive vehicle comprising a tray-like support structure (5) adapted to be fixed to an internal combustion engine (E) and defining a housing (38) for a decoupling clutch (21), a first power port (48) for connection to an output member (47) of the decoupling clutch (21), a second power port (25) for connection to an electric machine (2), and a module transmission (6) comprising respective transmission members (20, 23) associated with the power ports (48, 25), transmission means (29) connecting the transmission members (20, 23) to each other, wherein the power ports (48, 25) are configured so as to be couplable with respective rotating members (47; 72) of the decoupling clutch (21) and of the electric machine (2) by means of respective axially sliding couplings.
A transmission belt is provided which has a first elastomeric material, a plurality of longitudinal inserts comprising a first material, a working surface covered by a covering including a second material, and an opposite surface to said working surface. At least one of the first material and the second material is a fibrous metallic material. Advantageously, the transmission belt is a toothed belt.
F16G 1/28 - Driving-belts with a contact surface of special shape, e.g. toothed
F16G 1/12 - Driving-belts made of rubber with reinforcement bonded by the rubber with metal reinforcement
F16H 57/04 - Features relating to lubrication or cooling
F16H 7/02 - Gearings for conveying rotary motion by endless flexible members with beltsGearings for conveying rotary motion by endless flexible members with V-belts
F16G 1/10 - Driving-belts made of rubber with reinforcement bonded by the rubber with textile reinforcement
Pulley-torsional damper integrated group comprising a hub adapted to be rigidly connected to a drive member and a pulley connected to the hub. The hub comprises an inner tubular wall and an outer tubular wall. The pulley is angularly coupled to said hub by means of the ring made of elastomeric material. The elastomeric ring has an outer surface towards the pulley and an inner surface towards the hub, and an adhesive is arranged on at least one of the outer or inner surfaces.
A torsiometer (1) for determining torsiometric characteristics of a component (100) of an automotive transmission system, comprising a spindle (6) configured to receive the first member (101) of the component (100), a motor unit (5) connected to the spindle and configured to drive it in rotation, a reaction unit (10) facing the spindle and provided with a restraining element (79) for the second member (102) of the component (100), an encoder (9) configured to measure the rotation angles of the spindle (6) and a torsiometric cell (8) configured to measure the torque transmitted to the component, wherein the torsiometric cell (8) is interposed between the motor unit (5) and the spindle (6), coaxially with the latter, and is connected to the motor unit (5) through a multi-stage universal joint (28) that absorbs the bending loads.
An indicator device (60) for a filtering pulley (1), the pulley (1) comprising a hub (2) adapted to be fixed to a rotating shaft, a crown (3) mounted in a coaxial and rotationally free manner on said hub (2) and configured to cooperate with a drive belt, elastic filtering means interposed between the hub (2) and the crown (3); the indicator device (60) comprising a fixing portion (61) integral to said hub (2) and at least an indication portion (62) carried by the fixing portion (61), the at least one indication portion (62) defining the value of the angular offset of the pulley (1) in respect to a fixed reference in respect thereto.
F16D 3/12 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted for accumulation of energy to absorb shocks or vibration
F16D 3/14 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions combined with a friction coupling for damping vibration or absorbing shock
A filtering pulley assembly (1) for an accessory drive of a vehicle, comprising a hub (2) adapted to be fixed to a rotating shaft, a pulley (3) mounted coaxial and freely rotating on said hub (2), an actuator disc (21) carried by the hub (2), a plurality of elastic assemblies (23) interposed between the pulley (3) and the actuator disc (21) and a torque limiting coupling (50) configured to rotationally connect the actuator disc (21) to the hub (2) when the torque is below a predetermined threshold value and to decouple the actuator disc (21) from the hub (2) when the torque is above the threshold value.
F16D 43/206 - Internally controlled automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure of the ratchet type with intermediate balls or rollers moving axially between engagement and disengagement
F16D 3/12 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted for accumulation of energy to absorb shocks or vibration
F16D 7/08 - Slip couplings, e.g. slipping on overload, for absorbing shock of the ratchet type with intermediate balls or rollers moving axially between engagement and disengagement
59.
ACCESSORY DRIVE FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE
Accessory drive for an internal combustion engine of a vehicle, comprising at least one first pulley (2) mounted on the drive shaft (3), a second pulley (5) mounted on the shaft of the electric machine (6), a belt cooperating with the pulleys (2, 5) and a tensioner comprising a first and a second tensioning pulley (14, 15) and at least one spring (16) adapted to push the tensioning pulleys into contact with respective branches (9a, 9b) of the belt; the drive further comprises an adjustable-position pulley (15, 51, 56) configured to cooperate with the endless drive element to vary the installation tension thereof.
Tensioner for an accessory drive (1) of a motor vehicle comprising a support element (11) adapted to be fixed on an electric machine (6), an intermediate element (12) carried by the support element (11) and rotating with respect thereto about a first fixed axis (A), a rigid tensioner element (13) rotating with respect to the intermediate element (12) about a second axis (B) parallel to the first axis (A), a pair of tensioner pulleys (14, 15) carried by the tensioner element (13) and adapted to cooperate with respective branches (9a, 9b) of an endless drive element (9) of the drive (1) positioned on opposite sides with respect to the electric machine (6), and a spring (16) acting between the support element (11) and the intermediate element (12) to push the tensioner pulleys (14, 15) into contact with the endless drive element (9).
The filtering pulley (1) comprising a hub (2) adapted to be fixed to a rotating shaft, a ring (3) assembled coaxial and rotationally free on the hub (2), at least one elastic assembly (40) arranged circumferentially with respect to the hub (2) and to the ring (3) and each interposed between a pair of first elements (50) integral with the hub (2) and between a pair of second elements (16, 17) integral with the ring (3), the at least one elastic assembly (40) comprises at least one elastic element (41) having a progressive rigidity increasing starting from a predetermined threshold value of the angle of relative rotation between the hub (2) and the ring (3).
A tensioner (1) comprising a base (2) adapted to be secured to an engine, and at least one arm (3) hinged to a pin fixed to the base (2) and bearing a pulley (4) adapted to cooperate with a belt of a transmission of the engine, and elastic means (5) for pushing the at least one arm in a direction so as to keep the pulley against the belt; the tensioner (1) further comprises sensor means (14) for acquiring in real time a plurality of data relating to the tensioner (1) to estimate the state of efficiency of the same.
This invention relates to a power transmission belt comprising a hydrogenated nitrile-butadiene-PEG acrylate copolymer containing a) 25% to 38% by weight, preferably 27% to 37% by weight and more preferably 29% to 36% by weight of at least one α,β- ethylenically unsaturated nitrile unit, b) 40% to 60% by weight, preferably 42% to 58% by weight and more preferably 44% to 59% by weight of at least one conjugated diene unit and c) 10% to 25% by weight, preferably 11% to 22% by weight and more preferably 12% to 20% by weight of at least one PEG acrylate unit derived from a PEG acrylate of the general formula (I), where R is hydrogen or branched or unbranched C1-C20-alkyl, preferably methyl, ethyl, butyl or ethylhexyl, n is 1 to 8, preferably 2 to 8, more preferably 2 to 5 and most preferably 3 and R1 is hydrogen or CH3-, where the hydrogenated nitrile-butadiene-PEG acrylate copolymer, if n is 1, does not contain any further copolymerizable monomer unit having a free carboxylic acid group.
A composition for moisture regulation in the form of a gel is disclosed. The composition includes magnesium chloride, and a cellulose selected from hydroxypropyl methyl cellulose and methyl hydroxyethyl cellulose and water, in which the ratio between the quantity of magnesium chloride and the cellulose is between 0.1 and 16 by weight. Preparation methods for such composition and methods for regulating the moisture of an environment are also disclosed.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/04 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
B01J 20/24 - Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
B65D 65/42 - Applications of coated or impregnated materials
B65D 81/26 - Adaptations for preventing deterioration or decay of contentsApplications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, fluids, e.g. exuded by contentsApplications of corrosion inhibitors or desiccators
B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
Pulley-torsional damper integrated group comprising a hub (2) adapted to be rigidly connected to a drive member and a pulley (3) connected to the hub (2). The hub (2) comprises an inner tubular wall (6) and an outer tubular wall (7). The pulley is angularly coupled to said hub by means of the ring made of elastomeric material. The elastomeric ring (4) has an outer surface (4a) towards the pulley and an inner surface (4b) towards the hub, and an adhesive (22, 23) is arranged on at least one of the outer or inner surfaces.
Poly-V belts are disclosed that have a body in an elastomeric material, preferably EPDM, a plurality of durable filiform inserts longitudinally embedded in the body, and a coupling portion integrally connected to the body and comprising a plurality of V-shaped ribs in side by side arrangement alternating with V-shaped grooves. A layer of a thermoplastic material at least partially covers the ribs, and a knitted fabric is arranged over the thermoplastic material. Preferably, the thermoplastic material includes a polyolefin irradiated with a dose amount of radiation between 60 and 140 kGy.
A transmission belt is described which comprises a body made of a first elastomeric material, a plurality of teeth and a plurality of longitudinal cords buried in the body of the belt and a back. The belt has a working surface on said teeth and the working surface is at least partially covered by a covering made of a plastic and/or metal material. Defining the area comprised between the plane defined by the neutral axis of the cords, the working surface and the median transverse planes of two adjacent teeth as the unitary longitudinal section, the covering preferably occupies at least 25% of the unitary longitudinal section.
F16G 1/28 - Driving-belts with a contact surface of special shape, e.g. toothed
F16H 7/02 - Gearings for conveying rotary motion by endless flexible members with beltsGearings for conveying rotary motion by endless flexible members with V-belts
A double mass flywheel comprising a primary mass (M1), a secondary mass (M2) and a filtering unit (3) interposed between the primary mass (M1) and the secondary mass (M2) the filtering unit (3) comprising a filtering assembly (F) and a starter assembly (S) reciprocally in series, the filtering assembly (F) comprising at least a first spring and a damper (Tss) reciprocally in parallel and interposed between the primary mass (M1) and an intermediate element (M3) the starter assembly (S) comprising an actuator element (M4) coupled to the secondary mass (M2) by means of the series consisting of an angular clearance (G3) and at least a second spring; lastly the flywheel comprises an idling assembly (I) between the intermediate element (M2) and the actuator element said idling assembly (I) comprising a damper (TG1) and an angular clearance (G1) reciprocally in parallel.
F16F 15/139 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses characterised by friction-damping means
A filtering unit (F) for a torque transmission device (1; 100; 200) of a propulsion system for a vehicle (E), said device (1; 100; 200) comprising a first rotating mass (M1; M101; M201) and a second rotating mass (M2; M102; M202), said filtering unit (F) being interposed between said first and second rotating mass (M1; M101; M201), (M2; Μ102; M202) and comprising at least one spiral spring (4; 104; 204); the filtering unit (F) further comprises a plurality of containing elements (17; 117; 217) configured so as to limit the deformation of said at least one spiral spring (4; 104; 204) in a radial direction due to the centrifugal force.
F16F 15/133 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
70.
FILTERING PULLEY COMPRISING AN IMPROVED DAMPING DEVICE
A filtering pulley (1) comprising a hub (2) adapted to be fixed to a rotating shaft, a pulley ring (3) mounted coaxial and rotationally free on said hub (2), at least one elastic assembly (40) interposed between the hub (2) and the pulley ring (3) and a damper (27) for damping the relative oscillations between the hub (2) and the pulley ring (3); the damper (27) has a first damping level for relative rotations between the hub (2) and the pulley ring (3) which are smaller than a predetermined angle and a second damping level, which is greater than the first level, for relative rotations between the hub (2) and the pulley ring (3) which are larger than the predetermined angle.
A filtering pulley (1) comprising a hub (2) adapted to be fixed to a rotating shaft, a pulley ring (3) mounted coaxial and rotationally free on the hub (2), a plurality of elastic assemblies (40) arranged circumferentially with respect to the hub (2) and the pulley ring (3) and each interposed between a pair of first elements (50) integral with the hub (2) and between a pair of second elements (16, 17) integral with the pulley ring (3), in which each elastic element forms with the first elements (50) and with the second elements (16, 17) respective angular clearances (σ, a), the pulley ring (3) and the hub (2) having a free angle (β) of relative rotation equal to the sum of the above-mentioned angular clearances (σ, α).
A tensioner for a belt drive of an internal combustion engine, the tensioner (1) comprising a pin (2) and a base (3) fixed to a crankcase of said engine, an arm (4) hinged about said pin (2) and a spring (9) interposed between the base (3) and the arm (4); the arm (4) carries a pulley (6) that cooperates with a drive belt of the belt drive, and the tensioner further comprises a damping device (18) that provides variable damping according to a relative rotation angle between the arm (4) and the base (3)
A transmission system is provided that has a drive pulley, at least one driven pulley and an oil wet toothed belt. The toothed belt includes a toothing and a back, a first portion, wherein the toothing is coupled to the drive pulley, a second portion wherein the toothing is coupled to at least one driven pulley, a first taut branch which develops towards the driving pulley and a second slack branch which develops towards the driven pulley. The transmission system also includes a fixed containment guide having at least a first wall facing the toothing and/or the back positioned at a distance from the toothed belt between a minimum distance where at rest it is not in contact with the toothed belt and a maximum distance equal to 5% of the length of one between the taut branch and the slack branch.
F16H 7/18 - Means for guiding or supporting belts, ropes, or chains
F16H 7/08 - Means for varying tension of belts, ropes, or chains
F16H 7/02 - Gearings for conveying rotary motion by endless flexible members with beltsGearings for conveying rotary motion by endless flexible members with V-belts
A tensioner for an accessory drive comprising a starter- generator (1), comprising a body (15) adapted to be mounted on the starter-generator (1) in a rotatable manner about a first axis (A), two pulleys (23, 24) carried by said body (15), which are rotatable with respect thereto about respective axes which are parallel to the first axis (A), at least a first (24) of said pulleys (23, 24) being movable with respect to said body (15), at least a spring (36) and a first damper (27, 34; 41) interposed between said first pulley (24) and said body (15), characterized in that the relative movement between said pulleys (23, 24) occurs along a straight line.
A tensioner for an accessory drive of an internal combustion engine equipped with a starter-generator (1), the tensioner (6; 78) comprising a support (5) designed to be fastened on the starter-generator (1), a body (15) carried by said support (5) and rotatable about a first axis (A) and two pulleys (23, 24) carried by said body (15) and rotatable with respect thereto about respective axes parallel to the first axis (A); the tensioner (6; 78) comprises a damping device (60) interposed between the body (15) and the support (5), the damping device (60) comprises a damper (62) defining a damping dependent on a relative rotation angle between the body (15) and the support (5).
Filtering pulley (1) for an accessories transmission of an internal combustion engine comprising a hub (2), an annular pulley ring (3) provided with a profile configured to cooperate with a transmission belt (12), externally coaxial with said hub (2) and supported in a rotationally free manner on the hub, and a transmission torque filtering unit (6) interposed between the hub (2) and the pulley ring (3) and comprising a torsion spring (13), a first carrier (14) constrained to an end (16) of the spring (13), a second carrier (15) constrained to a second end (17) of the spring (13), each of the carriers (14, 15) being rotationally coupled to the hub (2) and to the pulley ring (3) with a relatively limited possibility of rotation, a torque limiting coupling being interposed between the carriers (14, 15) and at least one of either the hub (2) or the pulley ring (3).
A transmission belt (1) is provided which comprises a first elastomeric material, a plurality of longitudinal inserts (3) comprising a first material, a working surface (5) covered by a covering (8) including a second material, and an opposite surface (7) to said working surface, wherein at least one of the first material and the second material is a fibrous metallic material. Advantageously, the transmission belt (1) is a toothed belt.
A poly-V belt (1) comprising a body (2) in an elastomeric material, preferably EPDM, a plurality of durable filiform inserts (3) longitudinally embedded in the body, and a coupling portion (4) integrally connected to the body (2) and comprising a plurality of V-shaped ribs (5), side by side and alternating with V-shaped grooves. According to the present invention, the belt comprises a layer of a thermoplastic material (8) that at least partially covers the ribs (5), and a knitted fabric (10) arranged over the thermoplastic material. Preferably, the thermoplastic material comprises a polyolefin irradiated with a dose comprised between 60 and 140 kGy.
A transmission belt (1) is described which comprises a body (2) made of a first elastomeric material, a plurality of teeth (4) and a plurality of longitudinal cords (3) buried in the body of the belt and a back (7). The belt has a working surface (5) on said teeth (4) and the working surface is at least partially covered by a covering (8) made of a plastic and/or metal material. Defining the area (A) comprised between the plane defined by the neutral axis of the cords, the working surface (5) and the median transverse planes (P1, P2) of two adjacent teeth as the unitary longitudinal section, the covering (8) preferably occupies at least 25% of the unitary longitudinal section.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Belts for engines and motors; power transmission belts for
machines, motors and engines used in industrial
applications; timing belts for machines, motors and engines
used in industrial applications; timing belts for engines
for land vehicles; belt pulleys for motors and engines;
pulleys for motors and engines; engine timing components,
namely sprockets; belts for engines and motors for vehicles
and land vehicles. Drive belts for land vehicles; power transmission belts for
land vehicle; belt pulleys for land vehicles.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Belts for engines and motors; power transmission belts for
machines, motors and engines used in industrial
applications; timing belts for machines, motors and engines
used in industrial applications; timing belts for engines
for land vehicles; belt pulleys for motors and engines;
pulleys for motors and engines; engine timing components,
namely sprockets; belts for engines and motors for vehicles
and land vehicles. Drive belts for land vehicles; power transmission belts for
land vehicle; belt pulleys for land vehicles.
A belt tensioner for a belt drive of a motor vehicle engine, comprising: a fixed part (2) configured to be fixed with respect to the engine and provided with a pivot (7) defining a rotation axis (A); an arm (3) having a connection portion (10) hinged to the pivot (7) and rotatable about the rotation axis (A) and an opposite portion (42) rotatably supporting a pulley (4) configured to cooperate with a belt of the drive; a main spring (5) interposed between the fixed part (2) and the arm (3) to exert thrust on the arm (3) such as to rotate said arm towards the belt; and at least one rolling bearing (14, 15) interposed between the arm (3) and the pivot (7) to support the arm (3) and ensure the alignment thereof.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Actuators for automotive use, namely, linear actuators; aspirators for automotive use, namely, vacuum pump aspirators; ejectors for automotive use, namely, vacuum pump ejectors. Venturi tubes for automotive use; valves for automotive use, namely, fluid valves for turbocharging system, fluid valves for emissions systems, fluid valves for engine vent systems, fluid valves for braking systems, valves for vehicle tires, fluid valves for fuel systems, fluid valves for vapor recovery systems, fluid valves for engine cooling system, and fluid valves for vehicle cabin cooling and ventilation systems.
84.
Poly-V belt comprising a layer of thermoplastic material and a knitted fabric embedded in an elastomeric layer
Poly-V belt comprising a body made of elastomeric material, preferably EPDM, a plurality of threadlike resistant inserts longitudinally embedded in the body, and a coupling portion integrally connected to the body and comprising a plurality of V-shaped ribs arranged side by side and alternated with V-shaped grooves. According to the present invention the belt comprises a layer of a thermoplastic material which covers the ribs at least partially, and a layer of elastomeric material in which a knitted fabric is embedded. The layer of elastomeric material is above and in contact with the thermoplastic material.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
[ Belts for engines and motors for vehicles and land vehicles; ] drive belts for land vehicles; power transmission belts for land vehicle [ belt pulleys for land vehicles; engine timing components, namely, sprockets ]
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
[ Belts for engines and motors for vehicles and land vehicles; ] drive belts for land vehicles; power transmission belts for land vehicle [ ; belt pulleys for land vehicles; ] [ engine timing components, namely, sprockets ]
A torque converter assembly having a hub for connection with an input shaft of a gearbox, a lock-up clutch module for selective connection with a crankshaft of an internal combustion engine, a turbine module of a torque converter rigidly connected to the lock-up clutch module and rotatable with respect to the hub, and a spiral spring isolator to resiliently connect the hub with the lock-up clutch module and the turbine module.
F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
F16H 45/00 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches
A rigid press-fit cap (1) is provided for a motor vehicle, in particular, for the engine (4) of a motor vehicle. According to the present invention, the cap (1) comprises a first layer (2) made of a metal material and at least a second layer (3) comprising polyamide 11. Preferably, the second layer is made entirely of polyamide 11 and, even more preferably, entirely covers the first layer.
A filtering pulley for an accessory drive of an internal combustion engine, comprising a hub (2) suitable for being connected to an engine accessory, an annular crown (3) provided with a profile (8) configured to cooperate with a drive belt (9), externally coaxial to the hub (2) and supported in a rotationally free manner on the hub (2), a coil spring (12) able to transmit torque between the crown (3) and the hub (2), a first carrier (13) constrained to a first end (15) of the spring (12) and a second carrier (13) constrained to a second end (16) of the spring (12); each of the carriers (13, 14) is rotationally coupled to both the hub (2) and the crown (3) with a limited possibility of relative rotation with respect to each of them.
F16F 15/121 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
90.
TRANSMISSION SYSTEM COMPRISING AN OIL WET TOOTHED BELT
A transmission system (11) is provided comprising a drive pulley (12), at least one driven pulley (13) and an oil wet toothed belt (14). The toothed belt comprises a toothing (14f) and a back (14g), a first portion (14a), wherein the toothing (14f) is coupled to the drive pulley, a second portion (14b) wherein the toothing is coupled to at least one driven pulley, a first taut branch (14c) which develops towards the driving pulley and a second slack branch (14d) which develops towards the driven pulley. The transmission system comprises a fixed containment guide (18) comprising at least a first wall (18a) facing the toothing (14f) and/or the back (14g). The wall is at a distance from the toothed belt comprised between a minimum distance wherein at rest is not in contact with the toothed belt and a maximum distance equal to 5% of the length of one between the taut branch and the slack branch. Preferably the fixed containment guide comprises two walls (18a, 18b) and the distance D between the walls is greater than the height H of the toothed belt (14) and the first and the second walls define a channel (19) for the toothed belt (14).
A fabric for transmission belts is described that is made entirely with polyaramid fibers. Furthermore, a transmission belt is provided that comprises a body made of a first elastomeric material, in which a plurality of resistant longitudinal filiform inserts is embedded, and a working surface covered in a covering fabric comprising polyaramid fibers in weft and warp yarns; advantageously, the transmission belt is a toothed belt. According to the present invention, in use, the belt is in continuous contact with oil or partially immersed in oil.
The dual mass flywheel comprises a spring assembly (4; 104; 112; 128; 129), if necessary, with two stages of which one can include a spiral spring. Furthermore, the dual mass flywheel comprises a friction damping system (111) that applies torque independently of the rotational speed of the flywheel.
F16F 15/315 - Flywheels characterised by their supporting arrangement, e.g. mountings, cages, securing inertia member to shaft
F16F 15/31 - Flywheels characterised by means for varying the moment of inertia
F16F 15/133 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
F16F 15/137 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs the elastic members consisting of two or more springs of different types
F16F 15/139 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses characterised by friction-damping means
Tensioner (1, 30) comprising a body (2) defining an axis (A), a support (4) revolving about the axis (A), a pulley (6) carried idle by the support (4) for contacting an accessory drive belt, a spring (7) for applying a torque to the support (4) and tensioning the belt and a rotary motor (8) and a gear (9) for controlling a thrust element (10) which applies a load to the support (4), the spring (7) surrounding the motor (8).
F02B 67/06 - Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functionsDriving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
F16H 7/12 - Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
94.
CONTROLLED TENSIONER FOR AN ACCESSORY DRIVE AND ACCESSORY DRIVE COMPRISING SAID TENSIONER
A tensioner (1) for a start-stop accessory drive comprises a movable, support (4 ) a pulley (6) carried by the support (4 ) to contact a belt (104) of the drive, a spring (7) to load the support (4) so as to tension the belt (104), and an actuator (8) controlled and movable to push said pulley (6) against the belt (104) in one direction by means of a load in parallel and additional with respect to that of the spring (7) and an irreversible device (9) which enables the action of the actuator (8) and prevents a displacement of said support (4) in response to the loads of the belt (104).
F02B 67/06 - Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functionsDriving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
F16H 7/12 - Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
95.
POLY-V BELT COMPRISING A LAYER OF THERMOPLASTIC MATERIAL AND A KNITTED FABRIC EMBEDDED IN AN ELASTOMERIC LAYER
Poly-V belt (1) comprising a body (2) made of elastomeric material, preferably EPDM, a plurality of threadlike resistant inserts (3) longitudinally embedded in the body, and a coupling portion.(4) integrally connected to the body (2) and comprising a plurality of V-shaped ribs (5) arranged side by side and alternated with V-shaped grooves. According to the present invention the belt comprises a layer of a thermoplastic material (8) which covers the ribs (5) at least partially, and a layer of elastomeric material (9) in which a knitted fabric (10) is embedded. The layer of elastomeric material (9) is above and in contact with the thermoplastic material (8).
A torque converter assembly comprising a hub (15) for connection with an input shaft (8) of a gearbox (G), a lock-up clutch module (19) for selective connection with a crankshaft (2) of an internal combustion engine (E), a turbine module (17) of a torque converter (4) rigidly connected to lock-up clutch module (19) and rotatable with respect to hub (15), and a spiral spring isolator (7) to resiliently connect hub (15) with lock-up clutch module (19) and turbine module (17).
F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
F16H 45/00 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches
97.
SPIRAL SPRING DUAL MASS FLYWHEEL HAVING A PARALLEL CONFIGURATION
A flywheel comprises a first flywheel mass (2) for connection with a crankshaft, a second flywheel mass (4) for connection with a gearbox, a spiral spring unit (6) for resiliently connecting primary and secondary flywheel mass (2, 4), a damping unit (7) in parallel to said spiral spring unit (6) with respect to second flywheel mass (4), and a gap (8) provided to increase the damping torque of damping unit (7) acting between said primary and secondary flywheel mass (2, 4) at a predefined angular displacement of primary flywheel mass (2) with respect to secondary flywheel mass (4).
F16F 15/133 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
F16F 15/139 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses characterised by friction-damping means
A flywheel (1) comprises a primary flywheel mass (2) suitable for being connected to a crankshaft of an internal combustion engine, a secondary flywheel mass (3), a decoupling spring unit (5) coupled to said primary flywheel mass (2), a spring loader (6) coupled to said decoupling spring unit (5) and a plurality of compression coil springs (4) arranged circumferentially to be loaded when said spring loader (6) and said secondary mass (3) angularly displace relative to each other, the overall torsional spring rate of said compression coil springs (4) being higher than that of said decoupling spring unit (5).
F16F 15/133 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
99.
USE OF A TRANSMISSION BELT IN OIL AND RELATED TRANSMISSION SYSTEM
A fabric for transmission belts is described that is made entirely with polyaramid fibres. Furthermore, a transmission belt (1) is provided that comprises a body (2) made of a first elastomeric material, in which a plurality of resistant longitudinal filiform inserts (3) is embedded, and a working surface (4) covered in a covering fabric (5) comprising polyaramid fibres in weft and warp yarns; advantageously, the transmission belt is a toothed belt. According to the present invention, in use, the belt is in continuous contact with oil or partially immersed in oil.
The dual mass flywheel comprises a spring assembly (4; 104; 112; 128; 129), if necessary, with two stages of which one can include a spiral spring. Furthermore, the dual mass flywheel comprises a friction damping system (111) that applies torque independently of the rotational speed of the flywheel.
F16F 15/133 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
F16F 15/137 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs the elastic members consisting of two or more springs of different types
F16F 15/139 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses characterised by friction-damping means
