A roller bearing assembly (100) including an outer cup (110) having a first end, a second end, a body (116) extending therebetween defining an outer raceway (118), a first flange (112) disposed on the first end of the body and a second flange (114) disposed on the second end of the body, a plurality of rollers (130), each roller including a first projection (134) extending along its longitudinal center axis, and a first retainer ring (140a) having a base side wall, an inner side wall and an outer side wall, the inner side wall and the outer side wall extending outwardly from the base wall, wherein the base wall of the first retainer ring is disposed adjacent an inner surface of the first flange and the first projection of each roller is rotatably disposed between the inner side wall and the outer side wall of the first retainer ring.
A follower mechanism movable along an axis within a bore including an alignment groove. The follower mechanism includes a bucket with a cylindrical inner surface and a cylindrical outer surface, and a yoke positioned at least partially within the bucket, the yoke including a bottom wall and two opposed sidewalls depending upwardly therefrom, each sidewall defining a shaft aperture. A shaft with first and second ends is received in the shaft apertures, and a roller follower is rotatably received on the shaft such that a portion of the roller follower extends axially outwardly beyond the bucket.
A bearing assembly (10) includes a first bearing race (18) having a first bearing raceway and a first track (72) positioned axially outside the first bearing raceway (34). The bearing assembly (10) also includes a second bearing race (22) having a second bearing raceway (74) axially aligned with the first bearing raceway (34) and a second track (72) positioned axially outside the second bearing raceway (74) and axially aligned with the first track (72). The bearing assembly (10) also includes a plurality of rolling elements (26) positioned between the first bearing race (34) and the second bearing race (74) in contact with the first and second bearing raceways (34, 74), and a gear (30) engaging the first and second tracks (72) to synchronize the movement of the rolling elements (26) and the first and second bearing races (18, 22).
A bearing assembly including a connecting rod (30) with a first end (32) and a second end (36), the second end (36) defining a first outer raceway (44a) and a second outer raceway (44b) with a thrust ring (60) therebetween, a crankshaft (10) defining a cylindrical inner raceway (14), a first plurality of radial roller elements (52a) disposed between the first outer raceway (44a) and the inner raceway (14), and a second plurality of radial roller elements (52b) disposed between the second outer raceway (44b) and the inner raceway (14). An axial length of at least one of the first radial roller elements (52a) is greater than an axial length of the first outer raceway (44a) and the axial length of at least one of the second radial roller elements (52b) is greater than an axial length of the second outer raceway (44b).
F16C 19/28 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with two or more rows of rollers
A roller bearing assembly (10) having an annular outer race (22) with a raceway (24), a pair of opposed flanges (30), and a pair of shoulders (32), each shoulder (32) being disposed between a corresponding flange (30) and a corresponding edge of the raceway (24), a roller retainer (12) defining a plurality of roller pockets (16), and a plurality of rollers (14), each roller (14) being disposed in a corresponding roller pocket (16). Each shoulder (32) forms an annular ridge (32a) with the corresponding edge of the raceway (24).
F16C 19/22 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
An electric cam phaser (ECP) for a camshaft of an internal combustion engine includes an axial flux electric machine (13) which is axially integrated with a positive differential gear train (12), and which is capable of providing frictional locking. The differential gear train (12) has three co-axial relatable branches. The first branch is connected to an input shaft (11), the second to the output shaft (14), and the third is integrated with a rotor (24) of the electric machine (13). The third branch is the control branch through which the differential gear train (12) can be unlocked from a neutral or "locked" mode of operation during phase adjustment by applying either a resistive torque in a second mode of operation, or a driving torque in a third mode of operation, though the electric machine (13) to the control branch.
F01L 1/352 - Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using bevel or epicyclic gear
7.
NOISE ISOLATING ROLLING ELEMENT BEARING FOR A CRANKSHAFT
A radial rolling element bearing (10) for supporting a shaft (14) for rotation with respect to an adjacent support surface (38). The radial rolling element bearing (14) includes a plurality of rolling elements (18) and a race (22). The race includes a convex first surface (44) that forms a raceway for the plurality of rolling elements and a second surface (48) opposite the convex first surface having a profile that forms a hollow space (52) between the second surface of the race and one of the adjacent support surface and the shaft. The hollow space has a first volume when a first radial load is applied to the bearing, and the hollow space has a second volume less than the first volume when a second radial load greater than the first radial load is applied to the bearing.
F16C 32/06 - Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
A method of manufacturing a split bearing ring comprises forming an endless ring (42) having first (34) and second edges (46), removing at least a portion of the ring between the first and second edges to form at least one aperture (50, 54), hardening the ring, and after hardening, splitting the ring adjacent the at least one aperture to create first and second mating ends (74, 78) of the ring.
A tappet (10) is movable along an axis. The tappet (10) includes a skirt defining an opening (18) and an alignment device (22) positioned at least partially within the opening (18). The alignment device (22) has a generally T-shaped cross-sectional shape when taken through a plane substantially parallel to the axis and has a non-T-shaped cross-sectional shape when taken through a plane substantially perpendicular to the axis.
A device (22) is adapted to couple a finger follower (14) and a hydraulic lash adjuster (18) for use in a valve train (10) of an engine. The hydraulic lash adjuster (18) includes a plunger (34) having a longitudinal axis. The finger follower (14) includes a pocket (30) for receiving the plunger (34) and a protrusion (54) proximate the pocket (30). The device (22) includes a first portion (66) having an outer peripheral edge (70) and an inner peripheral edge (74), which defines a first aperture (82) configured to receive the plunger (34). The inner peripheral edge (74) of the first portion (66) includes at least one radially inwardly- projecting tang (86) configured to frictionally engage the plunger (34) to substantially axially secure the first portion (66) to the plunger (34). The device (22) also includes a second portion (78) coupled to the first portion (66) and extending substantially non-parallel to the first portion (66). The second portion (78) includes an inner peripheral edge (98) defining a second aperture (102) configured to receive the protrusion (54) on the finger follower 14).
A non-synchronous camshaft phasing device 46 for use with an internal combustion engine E. The internal combustion engine E includes an engine control unit ECU, a camshaft 42 and a crankshaft 12. The non-synchronous phasing device 46 is located between the crankshaft 12 and the camshaft 42 for controlling a phase shift angle between the camshaft 42 and the crankshaft 12. The phasing device 46 comprises an input shaft 36 coupled to the crankshaft 12 via a non-synchronous belt 40. The phasing device 46 also comprises an output shaft 42 coupled to the camshaft 44; a planetary gear train 48 co-axially aligned around and coupled with the input shaft 36 and the output shaft 42; and an motor 50 coupled to the planetary gear train 48 by a carrier 56. A controller operatively connects to the engine control unit ECU, wherein the controller is configured to receive engine operating signals generated by the engine control unit ECU and to receive signals from position sensors 51 coupled to the input shaft 36 and to the output shaft 42. In response to the signals, the controller generates and sends a torque command signal to the motor 50 to command the motor 50 to control the planetary gear train 48 through the carrier 56 to adjust the phase shift angle between the camshaft 42 and the crankshaft 12.
A roller bearing assembly includes a plurality of rollers (122), a cage (114) including a plurality of slots (118) for positioning the plurality of rollers, an outer race (134) positioned radially outside the plurality of rollers and the cage, and means (126,130,138) for retaining axial alignment between the cage and the outer race provided integrally with at least one of the cage and the outer race.
A unitized valve train assembly includes a finger follower having a pocket and a peripheral surface adjacent the pocket, and a hydraulic lash adjuster having a body, and a plunger extending from the body and received within the pocket of the finger follower. The plunger defines a longitudinal axis. The assembly also includes a single-wire coupling device having a first arm configured to selectively engage the finger follower, and a second arm clamped to one of the body and the plunger. The second arm is spaced from the peripheral surface of the finger follower when the plunger is received within the pocket of the finger follower.
patents