Assignee: The Timken Company

Location: Canton, OH
No. of patents: 234

Number	Title	Issue Date
8176901	Variable speed supercharger with electric power generation A supercharger for boosting intake manifold pressure in an internal combustion engine and producing electrical energy comprises an input shaft (3), a electric machine (50) including a stator (51) and a rotor (53), a compressor (70)...	05/15/2012
8132529	Applicator for automatic discharge of a corrosion preventative to a sensor surface An applicator and method of discharging a corrosion preventative. The applicator controllably and uniformly applies a corrosion preventative to a surface that has a sensor instrument mounted thereon. The applicator comprises a reservoir block that defines an interio...	03/13/2012
8092332	Three shaft friction drive unit A friction drive (10) having a plurality of planet assemblies (24A, 24B, 24C) pivotally mounted to a carrier (12), a sun shaft (14) rotatably mounted with the carrier (12) and having a first raceway (16), and a...	01/10/2012
8075196	Pillow block housing with tapered roller bearings A spherical outer diameter tapered roller bearing pillow block system (100) for supporting the rotating main shaft of a wind turbine. The bearing system is configured with a unitized construction and factory set preload bearing settings to facilitate installa...	12/13/2011
8028889	Welding together low and high carbon steels A weld joins a thin overlay of low carbon steel to a base that contains high carbon steel, at least at its surface along which the weld is formed. The weld may be effected by fusion (melting) or by solid-state diffusion. With either it creates a heat affected zone (...	10/04/2011
7999536	Absolute position magnetic encoder with binary and decimal output An absolute position magnetic encoder includes a first magnetic track configured for a binary output, a second magnetic track configured for a decimal output, a first magnetic sensor positioned proximate the first magnetic track to detect the magnetic field of the f...	08/16/2011
7960888	Electric motor with field weakening An electric motor comprising a rotor, a stator and a field weakening device. The rotor has a plurality of magnets mounted thereto, and the stator is located adjacent to the rotor and has a plurality of slots defined therein. The slots define raised teeth and are wou...	06/14/2011
7888904	Virtual moving air gap for an axial flux permanent magnet motor with dual stators An axial flux electric motor comprising a rotor and a first and second stator. The first and second stators have a first and second air gap located between the first and second stators and the rotor, respectively, and the second air gap is greater than the first gap...	02/15/2011
7886858	High reduction ratio electric hub drive An integrated electric motor hub drive 1 that combines an electric motor subassembly (30), a sunless differential planetary gear drive subassembly (20), and a hub bearing assembly (10) together in a coaxial assembly to provide a compact h...	02/15/2011
7843095	Friction drive spindle unit A spindle unit (A) for effecting a manufacturing or repair procedure includes a spindle assembly (2) having a spindle (12) that holds a tool (B), an electric motor (4), and a friction drive transmission (6) located between the spindle ass...	11/30/2010
7815535	Compact axial flux motor drive A drive (A) for imparting rotation about an axis (X) includes an axial flux motor (4) having a stator (38) and a rotor (44), an output drive element (8), an epicyclic gear system (6) located between the rotor of the axial flux moto...	10/19/2010
7806598	Method of protecting roller element bearing assemblies against oil-out conditions and bearing assemblies made thereby A method of enhancing the operating life of roller bearings assemblies (B) subject to oil-out conditions is disclosed. The method comprises applying a tribological metal carbide reinforced amorphous hydrocarbon coating layer (16) over either the sliding surfa...	10/05/2010
7780357	Bearing with cage-mounted sensors An antifriction bearing (A) for accommodating rotation about an axis (X) comprises an inner race (2) having a raceway (12), an outer race (4) having a raceway (22), rolling elements (6) positioned between the inner and outer races ...	08/24/2010
7762725	Adjustable antifriction bearing arrangement A shaft is supported in a housing on the front and rear antifriction bearings that are mounted in opposition. The front bearing has an outer race provided with an external thread that engages an internal thread within the housing. That outer race is fitted with a lo...	07/27/2010
7727342	Low carbon microalloyed steel A low carbon microalloyed steel, comprising in weight % about: 0.05-0.30 C; 0.5-1.5 Mn; 0.04 max S; 0.025 max P; 1.0 max Si; 0.5-2.0 Ni; 0.05-0.30 V; 0-2.0 Cu; up to 0.0250 N; up to 0.2 Cb; up to 0.3 Cr; up to about 0.15 Mo; up to about 0.05 Al; balance Fe and minor...	06/01/2010
7717249	Electro-mechanical gear selector An electromagnetic gear-clutch assembly (1) is disclosed. The device comprises a gear (10) having grooves (10c) that open inwardly toward the axis and extend axially. A hub (12) is located within the gear (10) where it is ca...	05/18/2010
7699405	Vehicle wheel end assemblies and methods of assembly thereof A wheel end assembly for a vehicle includes an axle tube and a housing secured to the end of the axle tube. A hub includes a drive flange located axially outward from the housing and a spindle projecting from the drive flange into the housing. The hub spindle has a ...	04/20/2010
7686313	Wheel end vented through sensor cable A speed sensor for a wheel end that has an interior that is substantially isolated from an atmosphere around the wheel end. The speed sensor is carried by a housing of the wheel end for monitoring the rotation of the wheel end and indicating the angular velocity of ...	03/30/2010
7670059	Vehicle corner module A corner module for an automotive vehicle includes a suspension upright, a wheel end, and a CV joint. The wheel end has a housing that is secured to the suspension upright and a hub that is provided with a flange to which a road wheel is attached and also spindle th...	03/02/2010
7669941	Wheel end with load sensing capabilities A wheel end (A) has a housing (2, 70, 80, 90) and a hub (4) provided with a spindle (32) that projects into the housing, and the hub rotates relative to the housing on an antifriction bearing (6) located between the housing and hub spindl...	03/02/2010
7662240	Seal for worm gear speed reducer The performance of a worm assembly seal is improved by (1) the use of a hardened steel worm with a bronze worm gear; (2) a tribological coating on one or both of the worm thread or spiral and the gear teeth; 3) a tribological coating on one or both of the input or o...	02/16/2010
7591107	Portable facility and process for reconditioning antifriction bearings A portable facility, that is delivered to a shop where wheel sets for railcars and locomotives are repaired, contains equipment for reconditioning antifriction bearings that are stripped from the wheel sets. The facility includes an enclosure that contains equipment...	09/22/2009
7588837	Welding together low and high carbon steels A weld joins a thin overlay of low carbon steel to a base that contains high carbon steel, at least at its surface along which the weld is formed. The weld may be effected by fusion (melting) or by solid-state diffusion. With either it creates a heat affected zone (...	09/15/2009
7573391	Rotation sensor with temperature measuring feature A temperature sensing system (100) for use with a variable reluctance sensor such as found in vehicle wheel bearing applications, which utilizes existing sensors (12) such as the antilock braking system or traction control system sensors as a direct cu...	08/11/2009
7572061	Locating bearing assembly for wind turbine gearbox shaft A locating bearing assembly (10) is provided that optimizes load distribution between bearing rows and for all rolling elements within the rows in either positive or negative torque conditions, by combining a single row tapered roller bearing with an angular ...	08/11/2009
7503867	Bearing arrangement for the input shaft of a forward axle in a tandem axle drive An axle center for the forward axle in a vehicle having tandem drive axles includes a housing containing input, output and through shafts that rotate in the housing about a common axis on front, rear and through shaft antifriction bearings. The front and rear bearin...	03/17/2009
RE40666	Mounting for vehicular road wheel A mounting for the road wheel of an automotive vehicle includes a spindle, a hub located around the spindle and inboard and outboard tapered roller bearings located between the hub and spindle where they are mounted in opposition. The cones (inner races) of the two ...	03/17/2009
7493831	In-bearing torque sensor assembly The present disclosure provides a device for sensing a torque applied through a shaft (18). The device includes a shaft (18) and a bearing (40) attached to the shaft (18). The bearing (40) includes an inner race (44), an out...	02/24/2009
7478567	Eddy current sensor assembly for shaft torque measurement The present disclosure provides a device for sensing a torque applied through a shaft 18. The device comprises a magnetoelastic ring 24 press-fitted onto the shaft 18 and an excitation coil 2 placed in close proximity to the ring 24	01/20/2009
7452134	Bearing assemblies with seals A bearing assembly (A-H) enables one member (4) to rotate relative to another member (2) about an axis (X). It includes a bearing (6) having an inner race (54) on one of the members, an outer race (74, 126, 164, 250) in the other m...	11/18/2008
7422537	Torque split hydraulic coupling between transmission and secondary driving axle with torque modulation and locking capabilities A power transmission system coupling (100) configured to provide a responsive and controllable clutch (110) using a torque split arrangement including a planetary gear set (106) for torque modulation, together with a locking device (134) ...	09/09/2008
7410442	Transmission containing helical gearing and bearing arrangement therefor A transmission for a wind turbine includes a housing (20) in which two shafts (26, 28) rotate, each being supported on a locating bearing (50, 60) which transmits thrust loads to the housing as well as radial loads and on a nonlocating bearing (...	08/12/2008
7410017	Electric drive axle An electric drive axle, which is located between and powers the left and right drive wheels of an automotive vehicle, includes an electric motor and left and right torque couplings. Torque developed by the motor transfers through the torque couplings to axle shafts ...	08/12/2008
7393141	Bearing arrangement for a vehicle differential A vehicle differential includes a housing having bearing seats and a carrier provided with stub shafts which project into the bearing seats. The carrier is supported in the housing on two single row tapered roller bearings which allow the carrier to rotate, but conf...	07/01/2008
7300379	Differential with thin film coating at cross shaft and processes for manufacturing the same A process for improving the durability of a differential, where the differential has a pinion shaft and a pinion, the pinion shaft having a surface that contacts the surface of the inner diameter of the pinion. The process comprises bonding to the surface of the pin...	11/27/2007
7297086	Epicyclic gear systems An epicyclic gear system (A, B), which is highly compact, yet capable of transferring substantial torque, includes a sun gear (2, 62), a ring gear (4, 64) around the sun gear, and planet gears (6, 8, 66, 68) organized in two rows between the sun...	11/20/2007
7264567	Wedge loading mechanism for traction drives A wedge loading mechanism for an eccentric planetary traction drive in which a roller having a flexibly mounted shaft is positioned between two raceways forming a convergent wedge. Rotation of either of the two raceways wedges the roller within the convergent wedge ...	09/04/2007
7243768	Clutch having a variable viscosity fluid A clutch (A,B) includes a cam (20,70) and a rotor (22,74), both of which revolve around a common axis (X). The cam has a camming surface (30,72) provided with lobes (32), whereas the rotor carries pistons (26,80) which bear against...	07/17/2007
7240570	Load-sensing bearing A load sensing bearing assembly comprises a bearing outer race secured to an application structure by a flange assembly incorporating a plurality of anisotropic spring regions which enable a limited range of displacement and/or rotation of the bearing outer race rel...	07/10/2007
7238140	Differential with torque vectoring capabilities A differential for delivering vectored torque to left and right axle shafts that rotate about an axis includes a cage which rotates about the axis as a consequence of torque applied to it. The cage contains gearing that transfers the torque to the axle shafts while ...	07/03/2007

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Assignee: The Timken Company