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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8162791 | Transmission for model electric vehicles A compact transmission for use in radio controlled model electric vehicles which includes a differential assembly and a slipper clutch assembly in combination with a drive means in the form of a spur gear, all contained in a single compact unit. The unit occupies su... | 04/24/2012 |
| 8128526 | Limited slip differential with end teeth The invention relates to a limited slip differential, more particularly for being used in the driveline of a motor vehicle. The limited slip differential 2 comprises a carrier element 3 which is rotatingly drivable around an axis of rotation A; a plura... | 03/06/2012 |
| 8070641 | Differential gear assembly A differential gear assembly is disclosed. The differential gear assembly includes a first sun gear and a second sun gear coaxially aligned with each other; a first set of planetary gears in mating engagement with the first sun gear; and a second set of planetary ge... | 12/06/2011 |
| 8021261 | Differential limiting apparatus A differential limiting apparatus includes a housing 2 rotated by driving force of a driving source, a differential mechanism 3 having a pair of output gears 3A, 3B to distribute the driving force to a pair of output shafts differentially... | 09/20/2011 |
| 8012058 | Differential gear mechanism for vehicle A differential gear mechanism includes a housing, first and second sun gears each including an external gear portion, and first and second planetary gears. The first and second sun gears include axial end surfaces pressed against contact surfaces provided at the hou... | 09/06/2011 |
| 7976423 | Pre-load mechanism for helical gear differential A differential assembly for a vehicle includes a differential casing rotatable about an axis. The differential casing defines a cavity. A pair of side gears is disposed within the differential casing cavity. First and second pairs of pinion gears are rotatably posit... | 07/12/2011 |
| 7837588 | Pre-load mechanism for helical gear differential A differential assembly for a vehicle includes a differential casing rotatable about an axis. The differential casing defines a cavity. A pair of side gears is disposed within the differential casing cavity. First and second pairs of pinion gears are rotatably posit... | 11/23/2010 |
| 7713159 | Power transmitting apparatus A differential mechanism 3 is contained and supported at inside of a bell housing 7 integrally provided to a transmission case 11 of a transmission 9 to constitute a common lubrication environment. A limited slip differential mechanism | 05/11/2010 |
| 7628722 | Vehicular power transmission device The thrust force of a sun gear is supported by a first thrust bearing that supports a first output shaft in the direction of an axis thereof. The thrust force of a ring gear is supported by a second thrust bearing that supports a second output shaft in the direction... | 12/08/2009 |
| 7553252 | Differential unit with limited slip differential mechanism The differential unit with a limited slip differential mechanism of the present invention comprises a planetary gear mechanism for torque distribution of drive torque inputted to an input shaft from an engine between a front drive shaft and a rear drive shaft, and a... | 06/30/2009 |
| 7429227 | Vehicular driving force distribution device In a vehicular driving force distribution system, a left or right torque distribution clutch is selectively engaged to lock a carrier member or a sun gear of a planetary gear mechanism, whereby torque can be distributed between left and right wheels. Also, if a diff... | 09/30/2008 |
| 7404780 | Torque distribution-controlling apparatus A torque distribution-controlling apparatus, by which a torque from a driving power source is distributed to vehicle right and left wheels via right and left axles, includes a differential having a first torque transmitting system and a second torque transmitting sy... | 07/29/2008 |
| 7399250 | All-wheel drive train In an all-wheel drive train for a motor vehicle wherein the drive torque of the engine of the motor vehicle is transmitted from the transmission output shaft partially to the rear axle and partially to the front axle via an offset transmission structure and a latera... | 07/15/2008 |
| 7399249 | Disk for a multi-disk clutch and production method thereof In a multi-disk clutch comprising a rotary body having splines formed thereon so as to extend helically along the surface thereof, with a number of disks having central openings with inwardly projecting teeth via which the discs are in rotationally positively lockin... | 07/15/2008 |
| 7361117 | Differential limiter A differential limiter, including: differential mechanism, including: input member, first output member, second output member, and differential gear connecting the above three members so that the above three members differentially rotate; shaft member connected to t... | 04/22/2008 |
| 7361114 | Vehicle differential including pump with variable-engagement clutch A vehicle differential assembly is provided that includes a differential driven by an input and adapted to allow differing rotational speed between a pair of outputs. The differential includes a gear assembly connected to the outputs and a hydraulically-actuated clu... | 04/22/2008 |
| 7357749 | Limited slip differential and engagement sensing mechanism therefor A differential having means (35) operable to limit rotation of an output gear (23) relative to a gear case (11), and actuation means (55) for actuating the rotation limiting means, from an unactuated (FIG. 1) to an actuated conditi... | 04/15/2008 |
| 7344469 | Torque distributing drive mechanism with ravigneaux gearset A drive axle assembly includes first and second axleshafts and a drive mechanism coupling a driven input shaft to the axleshafts. The drive mechanism includes a differential assembly, a planetary gear assembly operably disposed between the differential assembly and ... | 03/18/2008 |
| 7341541 | Method to reduce backlash in a drive train A method to reduce backlash in a drive train of a four-wheel drive vehicle, the method including receiving rotational parameters from sensors in the four-wheel drive vehicle, determining a torque reversal in the drive train based on the received rotational parameter... | 03/11/2008 |
| 7318785 | Worm gear differential A differential includes a carrier and worm gear assembly that cooperate to provide speed differentiation between first and second output shafts as needed. The carrier is coupled to an axle input gear, such as a ring gear for example, or a transmission shaft. The wor... | 01/15/2008 |
| 7311633 | Vehicular four-wheel drive unit A vehicular drive unit comprises a central differential mechanism and a front-wheel side axle differential mechanism. The central differential mechanism comprises a first planetary gear train 10, which includes an output gear body 50, a first carrier | 12/25/2007 |
| 7294086 | Hydraulic control system for multiple clutches in a motor vehicle A torque transfer mechanism for controlling the magnitude of a clutch engagement force exerted on a clutch pack that is operably disposed between a first rotary member and a second rotary member includes a hydraulic clutch actuation system. The hydraulic clutch actu... | 11/13/2007 |
| 7278948 | “Zero” lash spherical differential assembly using spring washers A differential assembly includes a differential housing including a substantially spherically shaped chamber. A pair of spherically shaped side gears are rotatably positioned in the chamber in driving communication with a pair of spherically shaped pinion gears. A p... | 10/09/2007 |
| 7276010 | Drive force transmission device A main clutch is disposed radially outward on a differential mechanism. There is no need to reserve space to install the main clutch at the end of the differential mechanism opposite from a differential case. Thus, the axial length of an LSD can be reduced, providin... | 10/02/2007 |
| 7267627 | Torque vectoring axle assembly A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, a speed changing unit op... | 09/11/2007 |
| 7267628 | Motor vehicle with torque vectoring drive axle A motor vehicle having a drive axle assembly including first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, ... | 09/11/2007 |
| 7258187 | Torque vectoring axle A drive axle assembly includes a pair of axleshafts connected to a pair of wheels, and a drive mechanism for selectively coupling a driven input shaft to one or both of the axleshafts. The drive mechanism includes first and second drive units that can be selectively... | 08/21/2007 |
| 7232397 | Axleshaft retention assembly for differentials and method of assembly A differential assembly includes a differential housing defining a chamber and a pair of aligned openings communicating with the chamber. A pair of output shafts extend through the openings in the differential housing and include end segments located within the cham... | 06/19/2007 |
| 7222551 | Automatic transmission A mesh-type automatic transmission includes a power input shaft for introducing power of an engine, a plurality of transmission gears, a plurality of cogged clutches, a power output shaft for outputting driving force, a counter shaft, and a plurality of counter gear... | 05/29/2007 |
| 7220209 | Multimodal vehicle traction system This invention relates to multiple driven axle vehicles, and particularly to all-terrain vehicles equipped for rear wheel drive, four wheel drive, and on-demand front wheel drive. The invention is directed toward a system of switchable traction options allowing the ... | 05/22/2007 |
| 7217212 | Differential gear system having a stably-oriented orbiting gear A differential gear system employs stably-oriented orbiting gears to convey drive torque from a drive shaft differentially to a first wheel shaft and to a second wheel shaft. A portion of the drive torque is conveyed to the first wheel shaft, and the remainder of th... | 05/15/2007 |
| 7211020 | Lockable differential with locking state detection system A power transmitting device including a housing having an input shaft, at least one output shaft and a gear set positioned in the housing. The gear set transmits rotary power between the input shaft and the output shaft. An electrical actuator includes a linearly mo... | 05/01/2007 |
| 7156766 | Differential assembly for controlling the distribution of torque A differential drive having an input element (E) and three output elements (A1, A2, A3), which, relative to one another, have a differential effect, and wherein there exists a fixed ratio between the transmittable input torque and each of the ou... | 01/02/2007 |
| 7147585 | Helical gear differential An axle assembly that includes a differential casing, which is rotatable about an axis, a pair of side gears that are disposed within the differential casing, a spacer and a cross pin. The spacer is disposed between the side gears. The cross pin is fixed to the diff... | 12/12/2006 |
| 7144347 | Differential limiting device A differential limiting device includes a planetary gear mechanism, in which a planetary carrier rotatably distributes the rotational power of a front housing to a ring gear and a sun gear through planetary gears and hence, to a first inner shaft and a second inner ... | 12/05/2006 |
| 7137922 | Differential device A differential device includes a main flywheel, a main shaft integrated with the main central gear, prime train of planet gears, secondary train of planet gears, secondary shaft integrated with the secondary central gear, and a fixing plate. This improved device can... | 11/21/2006 |
| 7125364 | Control strategy for active torque control A torque transfer mechanism includes a multi-plate clutch assembly that is operably disposed between a first rotary and a second rotary member. A control system determines a desired quantity of torque to deliver to the second rotary member and controls the clutch to... | 10/24/2006 |
| 7097585 | Differential gearing for vehicle An internal gear 10 is rotatably received within a housing 8 (planetary carrier 2 and case 4), and a sun gear 12 is rotatably disposed on a circle located inside of and concentric with the internal gear 10. Planet gears 1... | 08/29/2006 |
| 7086982 | Torque vectoring drive axle assembly A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, a speed changing unit op... | 08/08/2006 |
| 7083541 | Axle drive block with a differential lock An axle drive block for a motor vehicle, comprising a first and a second differential in a driven housing. Both of the differentials are coaxially aligned planetary spur gears, the sun wheels of which are drivably connected to the semiaxes of the first driven axle. ... | 08/01/2006 |
