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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8172464 | Tapered roller bearing A tapered roller bearing achieves improvement in manufacturability and a longer life. The tapered roller bearing includes an outer ring, an inner ring, a plurality of tapered rollers disposed between raceways of the inner ring and the outer ring. A cage holds each t... | 05/08/2012 |
| 8167502 | Steering column assembly A steering column assembly having an adjustable shroud comprises a fixed portion arranged to be secured to a body of a vehicle and a moving portion which can be moved telescopically relative to the fixed portion, a clamp mechanism which releasably fixes the moving p... | 05/01/2012 |
| 8152383 | Tapered roller bearing In a tapered roller bearing, the roller coefficient γ is greater than 0.94. At least one member of an inner ring, an outer ring, and the tapered rollers includes a nitrogen-rich layer, and the grain size number of austenite crystal grains in the nitrogen-rich layer... | 04/10/2012 |
| 8118493 | Tapered roller bearing A tapered roller bearing includes an inner ring, an outer ring, a plurality of tapered rollers which are rollably disposed between the inner ring and the outer ring, and a retainer which retains the tapered rollers at predetermined circumferential intervals. In this... | 02/21/2012 |
| 7934873 | Tapered roller bearing A tapered roller bearing includes bearing rings including an inner ring and an outer ring, a roller rolling between the inner ring and the outer ring, and a cage having a pocket holding the roller and located adjacent to the outer ring. A radial clearance δ between... | 05/03/2011 |
| 7874737 | Tapered roller bearing and automotive pinion shaft supporting apparatus utilizing same tapered roller bearing A tapered roller bearing according to the invention is such that when an arithmetical mean roughness as a surface roughness of a large end face of a tapered roller is σ1 and an arithmetical mean roughness as a surface roughness of a large rib surface of an inner ri... | 01/25/2011 |
| 7871202 | Four-row tapered roller bearing The invention relates to a four-row tapered roller bearing for machine mountings, with an inner ring of two-part design axially and on outer ring of single- or multi-part design axially, with an inner and/or an outer tapered-roller row, being supported in each case ... | 01/18/2011 |
| 7841773 | Tapered roller bearing A tapered roller bearing comprises an inner ring having a conical surface-like raceway surface in it outer periphery and formed with a cone back face rib and a cone front face rib on the opposite sides of the raceway, an outer ring having a conical surface-like race... | 11/30/2010 |
| 7771127 | Bearing assembly for supporting a transmission shaft in a housing Bearing assembly (1) for supporting a transmission shaft (2) in a housing (3), comprising an axially non-locating bearing (5) and a pair of angular contact bearings (7,8) which locate the shaft (2) against movement in axial ... | 08/10/2010 |
| 7722257 | Roller bearing cage and tapered roller bearing A roller bearing cage is made of a resin and has a tapered tubular shape as a whole. In the roller bearing cage, tapered rollers are forcibly fitted to pockets while elastically deforming pillar portions at a small-diameter annular portion side. A stress alleviating... | 05/25/2010 |
| 7645074 | Fluid-lubricated type tapered roller bearing device and vehicle pinion shaft supporting assembly A shielding plate for controlling the entry of oil between an inner ring and an outer ring is provided in the vicinity of an opening between the inner ring and the outer ring which lies a side where oil enters. In addition, a fluid accommodating plate for accommodat... | 01/12/2010 |
| 7540665 | Tapered roller bearing A tapered roller bearing includes a retainer formed with a plurality of trapezoidal pockets. Each pocket includes cutouts formed in the crossbars defining each pocket near the narrow end thereof. A tapered roller is received in each pocket with its small-diameter en... | 06/02/2009 |
| 7484894 | Tapered roller bearing an automotive pinion shaft supporting apparatus utilizing same tapered roller bearing A tapered roller bearing according to the invention is such that the surface hardnesses of a raceway surface of an inner ring and rolling contact surfaces of tapered rollers are set to 63 to 69HRC. In addition, respective raceway surfaces of an outer ring and the in... | 02/03/2009 |
| 7484895 | Tapered roller bearing and automotive pinion shaft supporting apparatus utilizing same tapered roller bearing According to the invention, there is provided a tapered roller bearing in which, where D represents a larger end diameter of the tapered roller and L represents a roller length thereof, the roller length L is 18 mm or smaller, and a ratio of the large end diameter a... | 02/03/2009 |
| 7435008 | Vehicle pinion shaft support system There are provided tapered roller bearings which support a pinion shaft. Inner races have large rib faces each having a recessed surface shape on which large-diameter end faces of tapered rollers slide. The surface roughness of the large-diameter end face is σ1 | 10/14/2008 |
| 7419306 | Bearing unit for railway carriages Emergence of fretting worn powder is to be suppressed, and intrusion of the worn powder that has emerged into an internal area of the bearing. A ring spacer is interposed between an end face of an inner ring of the bearing to be mounted on a wheel axle, and an end f... | 09/02/2008 |
| 7416346 | Cylindrical roller bearing A cylindrical roller bearing includes an inner ring having a flange portion provided with a roller guide-surface which guides the end faces 4a of the cylindrical rollers having diameter of Da. The end face 4a away from a center axis of th... | 08/26/2008 |
| 7350978 | Taper roller bearing An end faced on an outer side in a radial direction of a small diameter annular portion of a retainer is disposed on an inner side in a radial direction of a pitch conical face of a taper roller and an end face on an inner side in a radial direction of a large diame... | 04/01/2008 |
| 7340840 | Blade housing for low friction rotary knife A power operated knife comprises a blade supporting structure supporting an annular blade for rotation about a central axis. The blade and blade supporting structure are engagable along bearing contact locations that are spaced apart in a direction parallel to the a... | 03/11/2008 |
| 7326140 | Power transmitting apparatus for hybrid vehicle Durability of a planetary gear set can be enhanced and noise can be reduced by utilizing a power transmitting apparatus for a hybrid vehicle that supports a planetary gear set in an axial direction and a perpendicular direction. In addition, because a parking gear i... | 02/05/2008 |
| 7320550 | Tapered roller bearing A tapered roller bearing includes an outer race, an inner race, a plurality of tapered rollers, and a cage. A small-diameter end portion of the inner race is formed with a small flange portion for limiting axial movement of the tapered rollers and a cylindrical port... | 01/22/2008 |
| 7309166 | Hub joint for transferring load from a rotating shaft to a stationary body A hub joint for supporting bearings adapted to rotatably receive a shaft. The joint includes an upper annular portion having a radially inner boundary and an upper bearing mount attached to the inner boundary of the upper annular portion. The upper bearing mount has... | 12/18/2007 |
| 7296933 | Tapered roller bearing A tapered roller bearing 1 comprises an inner ring 2, an outer ring 3, a plurality of tapered rollers 4 rollably disposed between the inner and outer rings, and a cage 5 for holding the tapered rollers at predetermined circumferent... | 11/20/2007 |
| 7281855 | Tapered roller bearing and final reduction gear A tapered roller bearing includes: an outer race including an outer raceway surface; an inner race including an inner raceway surface and a larger collar surface which is a concave curved surface; and tapered rollers provided between the outer and inner races, each ... | 10/16/2007 |
| 7281769 | Two-component wheel hub A wheel hub having two separable components. The wheel hub includes a sleeve rotatably mounted to a vehicle axle. A wheel-mounting flange for mounting a wheel of the vehicle is positioned substantially around the sleeve, and a bolting lip of a brake rotor (or brake ... | 10/16/2007 |
| 7255483 | Thrust rollers A thrust roller bearing system comprising an inner rotating member, an outer rotating member and multiple rollers coupling the inner rotating member with outer rotating member. The inner and outer rotating members include thrust lips to enable the rollers to act as ... | 08/14/2007 |
| 7220059 | Double-row angular-contact antifriction bearing A double-row angular-contact antifriction bearing including an outer bearing ring, and an inner bearing ring and rolling elements between the bearing rings in two rows next to one another on raceways of the bearing rings. A bearing cage for the rolling elements. The... | 05/22/2007 |
| 7210853 | Gear shaft bearing assembly The invention relates to a shaft bearing assembly and also to an industrial gear unit (30) comprising this bearing assembly. The bearing assembly (34) comprises two taper roller bearings mounted axially spaced apart on the shaft (35) with the be... | 05/01/2007 |
| 7210852 | Full complement taper roller bearing A full complement taper roller bearing consists of an inner ring or cone having an inner track on its radially outer conical surface, and an outer ring or cup having an outer track on its radially inward conical surface and one or more rows of taper rollers having a... | 05/01/2007 |
| 7182520 | Full type tapered roller bearing A bearing assembly includes a full type tapered roller bearing and a roller presser which prevents separation of the rollers not only during transportation but while the outer ring is not mounted. The roller presser includes a ring member, and a plurality of arms ex... | 02/27/2007 |
| 7175350 | Thermally compensated bearing system A shaft rotates in a housing on two single row tapered roller bearings mounted in opposition such that the raceways of the one bearing taper downwardly toward the raceways of the other bearing. The metal from which the housing is formed has a higher coefficient of t... | 02/13/2007 |
| 7175351 | Tapered roller bearing A tapered roller bearing comprises an outer race, an inner race, a plurality of tapered rollers, and a cage. A small-diameter end portion of the inner race is formed with a small flange portion for limiting axial movement of the tapered rollers and a cylindrical por... | 02/13/2007 |
| 7150565 | Cylindrical roller bearing Contact surface pressure P increases rather drastically in proportion to skew angle θ within the range of 0 | 12/19/2006 |
| 7121728 | Seal for a bearing assembly A bearing assembly for a wheel assembly. In some constructions and in some aspects, the bearing assembly includes a housing defining a cavity therethrough, a first bearing cone positioned within the cavity and a second bearing cone positioned within the cavity and s... | 10/17/2006 |
| 7104697 | Bearing part and fabrication method therefor In a heat treatment wherein a blank (intermediate material) formed with a lubrication hole is heated and quenched, the quenching of the blank is terminated at the point of time that a temperature at a portion corresponding to a depth from a raceway surface (surface ... | 09/12/2006 |
| 7090405 | Tapered roller bearings and gear shaft support devices A tapered roller bearing and an automotive gear shaft support device can ensure a long endurance life even in the state in which debris is mixed. On the surfaces of an outer ring, inner ring, and tapered rollers formed from carburized bearing steel having an oxygen ... | 08/15/2006 |
| 7086784 | Bearing unit for the hub of a vehicle wheel equipped with a tire inflating system A bearing unit comprises a radially outer stationary race (1) and a pair of radially inner rotatable half-races (2a, 2b). Au intermediate annular chamber (8) is defined between the outer race (1) and the inner half-ra... | 08/08/2006 |
| 7070337 | Wheel bearing for a driven rigid axle A wheel bearing for a driven rigid axle, having a drive shaft includes a rolling bearing unit which comprises at least one inner race and at least one outer race, an inner race which is oriented toward the outside of the vehicle being designed with an end flange ali... | 07/04/2006 |
| 7056259 | Epicyclic gear system An epicyclic gear system (A) has a sun gear (2), a ring gear (4) located around the sun gear, and planet gears (6) located between and engaged with sun and ring gears. In addition, it has a carrier (8) including a carrier flange (30 | 06/06/2006 |
| 7021612 | Roller bearing A swivel mounting is made as a double-row roller bearing and has an outer ring with a first outer track and a second outer track, a first inner ring with a first inner track, and a second inner ring with a second inner track which is located axially next to the firs... | 04/04/2006 |
