Planetary gear transmission systems or components inventions 08/07

20070202979 - Hydraulic control system with variably regulated line pressure: A hydraulic control system for an automatic transmission includes a planetary gear system having a plurality of clutch elements that alters the torque ratio of the transmission. The hydraulic control system includes a line pressure control device for regulating a variable hydraulic line pressure from a maximum line pressure to... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20070202980 - Elevator traction machine: The present invention relates to an elevator traction machine, and more particularly, to an elevator traction machine, wherein a plurality of planetary gears are coupled to be circumscribed and engaged with a sun gear formed at one end of a driven shaft in order to reduce high speed rotation transmitted... Agent: Morgan Lewis & Bockius LLP

20070202981 - Valve timing controller: A valve timing controller includes a first rotary element having a first gear part, a second rotary element having a second gear part, and a planetary gear including a third gear part and a fourth gear part which respectively engage with the first gear part and the second gear part.... Agent: Nixon & Vanderhye, PC

20070202982 - Multi-speed transmission: A multi-speed transmission with reverse and forward gears, planetary gear sets, seven shafts and six shifting elements. The input shaft couples gear sets (P2, P3). Shaft (3) couples the carrier of gear set (P1), the ring gear of gear set (P2), and gear set (P4), and is connectable to the... Agent: Davis & Bujold, P.l.l.c.

20070202983 - Multi-speed transmission: A multi-speed transmission with six forward gears and one reverse gear having an input and output shaft, three planetary gear sets (P1, P2, P3), six rotatable shafts and five control elements. The input shaft communicates with the gear set (P2), the shaft (3), and the shaft (4). The shaft (3)... Agent: Davis & Bujold, P.l.l.c.

20070202984 - Multi-speed transmission: A multi-speed transmission with six forward gears and one reverse gear having an input and output shaft, planetary gearsets, shafts and control elements. The input shaft couples the sun gear of gearset (P2) and detachably couples, via clutch (14) to shaft (4). Shaft (4) couples the carrier of gearset (P3),... Agent: Davis & Bujold, P.l.l.c.

20070202986 - Roller bearing for planetary gear mechanism: A roller bearing (needle roller bearing) of the cage-and-roller type for a planetary gear mechanism includes a plurality of rollers (needle rollers), and a cage positioning and holding these rollers, and an outside diameter surface of the cage is guided by a bore diameter surface of a planetary gear. An... Agent: Mcginn Intellectual Property Law Group, PLLC

20070202985 - Satellite gearing: The invention relates to a continuous, circulating switch mechanism gearing (satellite gearing) provided with integrated freewheels, whereby the satellites (13) are guided on radial segments (15) in two sections and are maintained counter to the centrifugal force. Pins (18) of a rotor (17) transmitting the torque are guided through slits... Agent: K.f. Ross P.C.

20070197335 - Electrically variable transmission having three planetary gear sets, a stationary member and three fixed interconnections: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, up to six selectable torque-transfer devices, and possibly a dog clutch. The selectable torque transfer... Agent: General Motors Corporation Legal Staff

20070197336 - Drive apparatus for vehicle and method of controlling drive apparatus for vehicle: When a vehicle condition is in a region where limitation of the differential action of a differential portion should be stopped, for example in a CVT control region or a motor-driven region, a cutoff device prohibits the limitation of the differential action. Therefore, if the differential action may be limited... Agent: Sughrue Mion, PLLC

20070197337 - Rolling traction planetary drive: A traction-drive system that in one embodiment comprises an idler rotatable about a longitudinal axis, a plurality of rotatable and generally disc-shaped planet rollers each having an inner contact surface, a case contact surface and an idler contact surface, the inner contact surface being of a first diameter, the case... Agent: Knobbe Martens Olson & Bear LLP

20070197338 - Differential device: A differential device is provided with a case being capable of rotation around a rotation axis; a differential gear set housed in and drivingly coupled to the case, which includes first and second output gears and is configured to differentially transmit the rotation of the case to the first and... Agent: Morrison & Foerster, LLP

20070197339 - Arrangement in a planetery gearing: The invention relates to an arrangement in a planetary gearing (10) comprising a rotatable shaft (11) connected to the planet wheel carrier (13) of planet wheels (14a), an internal gear (15) and a sun wheel (16), wherein the planet wheels (14a) operatively engage by their coggings (14′), i.e. mesh, with... Agent: Christopher J Fildes Fildes & Outland

20070197340 - Internal ring gear with integral hub portion and method of manufacture: A planetary gearset is provided having an internal ring gear with a plurality of generally radially inwardly extending teeth in meshing engagement with at least one pinion gear. A hub portion extends generally radially inwardly from the internal ring gear. The internal ring gear and the hub portion are integrally... Agent: Christopher Devries General Motors Corporation

20070191167 - Multiple coupling locks and multiple docking devies containing said multiple coupling locks: In a multiple coupling lock system and method for an environmentally sealed filling or refilling of a first container or a first hose, a first coupling lock has an opening area which is opened. A first flexible conveyance unit has a first end connected to the first coupling lock in... Agent: Schiff Hardin, LLP Patent Department

20070191168 - Lubrication system for differential mechanism: A differential assembly includes a housing defining a space containing a volume of hydraulic fluid, the housing including interior surfaces. A gear that rotates in the housing includes surfaces that pass through the fluid as the gear rotates and on which the fluid is carried to the interior surfaces of... Agent: Macmillan, Sobanski & Todd, LLC

20070191169 - Drive apparatus for an extruder: A drive apparatus for an extruder includes a speed reduction mechanism unit and an output distributing mechanism unit separated from each other. The speed reduction mechanism unit is a planetary gear speed reduction mechanism including a hollow gear connected in mesh with a main input shaft through a plurality of... Agent: Sughrue-265550

20070191170 - Sapcer pin arrangement for helical gear differential: An axle assembly that includes a differential case which is rotatable about an axis, a pair of side gears that are disposed within the differential case, a spacer ring and a cross pin. The spacer ring is disposed between the side gears. The cross pin is fixed to one of... Agent: Harness, Dickey & Pierce, P.L.C

20070191171 - Differential with die formed housing: A differential comprises a die formed housing having a spherical inner volume. A subassembly is disposed in the spherical inner volume of the housing. A die formed cover is fixedly attached to the die formed housing for enclosing the subassembly with the housing. A ring gear is connected to the... Agent: Clark Hill, P.C.

20070191172 - Externally actuated torque coupling for drivetrain: A torque-coupling device comprising a hydraulically actuated friction clutch pack and a gerotor pump provided for generating hydraulic pressure actuating the friction clutch pack. The gerotor pump is selectively actuated by a device external to the gerotor pump and the friction clutch pack, such as an electric motor, friction brake,... Agent: Berenato, White & Stavish

20070191173 - Mechanical locking differential lockout mechanism: An improved differential gear mechanism is characterized by a lockout mechanism (63) operably associated with a flyweight mechanism (53) and including a lockout member (65, 101) positionable, in response to an input signal, in a normal condition and a lockout condition. In the normal condition, the lockout member (65, 101)... Agent: Eaton Corporation Eaton Center

20070191174 - Mechanical locking differential lockout mechanism: An improved differential gear mechanism is characterized by a lockout mechanism (129) operably associated with a latch member (119) that cooperates with a flyweight mechanism (53) to retard differentiating action in the differential gear mechanism. The lockout mechanism (129) includes a lockout member (131) positionable, in response to an input... Agent: Eaton Corporation Eaton Center

20070191175 - Device and method for coupling pulleys or gear wheels and the like: A coupling device (10) for a gear wheel (12), a pulley or other similar units comprising a support (18) for a gear wheel (16) or an operating portion of the pulley or unit, means for centering and drawing the crown gear (16) or the operating portion on the support and... Agent: Paul C Kennedy

20070191176 - Multi-speed transmission: A multi-speed transmission with forward and reverse gears having input and output shafts, planetary gearsets, rotatable shafts and control elements. The input shaft can be detachably connected to shaft (6) by clutch (16); clutch (13) to shaft(3), and clutch (14) to shaft (4). The shaft (6) is permanently connected to... Agent: Davis & Bujold, P.l.l.c.

20070191177 - Automatic speed reducing ratio-switching apparatus: An automatic speed reducing ratio-switching apparatus comprising an input side carrier, an output side carrier, and an intermediate carrier includes first and second planetary gear mechanisms juxtaposed in the axial direction of an input shaft, first and second inner clutch members which are rotatable in one direction while locking rotation... Agent: Paul A. Guss Paul A. Guss Attorney At Law

20070191178 - Power transmission system: A power transmission system having an input member (6) and an output member (2) for transmitting power, and an oil pump (7) for discharging oil by a relative rotation between a first (8, 70) and a second rotary members (9, 87, 88) which is driven by the power transmitted between... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070184927 - Power train for hybrid electronic vehicles and method of controlling the same: A power train for hybrid vehicles increases the range of the transmission gear ratio within which the efficiency of the power train is superior. Furthermore, the method of operating the power train varies depending on the transmission gear ratio, and thus the power train can be operated with superior efficiency.... Agent: Morgan, Lewis & Bockius LLP (sf)

20070184929 - Stability-enhanced traction and yaw control using electronically controlled limited-slip differential: A control system for a vehicle having first and second wheels is provided that includes a differential apparatus adapted to distribute torque between the first and second wheels and a traction controller for controlling operation of the differential apparatus from vehicle launch up to a predetermined vehicle speed. The traction... Agent: Eaton Corporation

20070184928 - Drive system: A drive system includes an output shaft of an engine connected to a sun gear of a planetary gear assembly. An electric motor is connected, via gears, to a carrier rotatably supporting a planetary pinion gear that rotates around the outer circumference of the sun gear while rotating on its... Agent: Arent Fox PLLC

20070184930 - Method of fabricating a reducer, and a robot incorporating such a reducer: In order to fabricate an epicycloidal reducer including at least one circular cam (13, 15) whose outer peripheral edge (133, 153) is provided with a first set of teeth (134, 154) suitable for co-operating with a stationary second set of teeth, said cam being pierced by at least a first... Agent: Ralph A. Dowell Of Dowell & Dowell P.C.

20070184932 - Planetary gear type multistage transmission for vehicle: A small-sized vehicular planetary gear type step-variable transmission having seven or more forward drive gear positions with a wide range speed ratio and suitable for use on a vehicle. A transmission includes three planetary gear sets, four clutches, and two brakes to provide seven or more forward drive gear positions... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070184931 - Planetary transmission, especially dual-clutch planetary transmission: A dual-clutch planetary transmission comprising a plurality of planetary gearsets, two frictionally engaged gearshifting element for connecting various power trains to a power flux and a plurality of form-fit gearshifting elements for adjusting various gear ratios in the power trains. The frictionally engaged gearshifting elements and the form-fit gearshifting elements... Agent: Davis & Bujold, P.l.l.c.

20070184933 - Wide ratio transmission: A transmission is provided that utilizes a unique packaging scheme for torque-transmitting mechanisms and gear drive members in order to minimize the overall axial length of the transmission. Specifically, the transmission may include a clutch housing that is connected for common rotation with a transmission input member. A rotatable hub... Agent: General Motors Corporation Legal Staff

20070184934 - Anti-backlash planetary gearing for optic rotary joint: An anti-backlash planetary gear system is disclosed for a multi-channel fiber optic rotary joint which requires 2:1 gear ratio. By adding a local degree of freedom, the planet gear assembly could be tilted relative to the carrier by a spring-loaded annular ring through a spherical feature thus force the three,... Agent: Princetel, Inc

20070179004 - Control device of vehicular automatic transmission: In relation to an automatic transmission which has a plurality of friction engagement devices that are engaged when supplied with oil pressure and which establishes a plurality of speed change steps in accordance with engaged and released states of the friction engagement devices, a control device of a vehicular automatic... Agent: Oliff & Berridge, PLC

20070179005 - Apparatus for opening and closing cover: An activating device for a cover has: a shaft unit having a rotary shaft; an arm unit which is coupled to the cover and the rotary shaft; and an actuator which drives the rotary shaft. The actuator has: a motor having a first output portion; a first reducer having an... Agent: Akin Gump Strauss Hauer & Feld L.L.P.

20070179006 - Preassembled drive unit for an adjustable functional element in a motor vehicle: A preassembled drive unit for an adjustable functional element in a motor vehicle has a drive motor (1) and a braking device (2). A drive connection (3) is provided for producing the driving force or driving torque of the drive motor (1) and a brake connection (4) is provided for... Agent: Roberts, Mlotkowski & Hobbes

20070179008 - Clutch device and differential device therewith: A clutch device is combinable with a rotating device rotating about an axis. The clutch device is provided with a clutch rotatable with the rotating device, a plunger for disengageably engage the clutch, a solenoid for generating a magnetic flux for driving the plunger, a magnetic core slidably fitting on... Agent: Morrison & Foerster, LLP

20070179007 - Axle driving apparatus: An axle driving apparatus comprises a housing. The housing contains a hydrostatic transmission, a differential unit driven by the hydrostatic transmission, a pair of axles mutually differentially connected through the differential unit, and a restricting mechanism for selectively restricting differential motion of the axles by manual operation. The differential unit... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070179009 - Multi speed transmission: A transmission is provided having a planetary gearset having respective first, second, and third members, and a compound gearset having respective first, second, third, fourth, and fifth members. The transmission also includes a plurality of selectively engageable torque transmitting devices configured to selectively interconnect selected members of the planetary gearset... Agent: General Motors Corporation Legal Staff

20070179010 - Transfer case input shaft brake system: A two-speed transfer case includes a planetary gear assembly, and a shift sleeve that is used for selecting either the reduced speed gear ratio, in which the torque from the input is transferred though the planetary gears, or the direct drive speed ratio, in which the input and output shafts... Agent: Warn, Hoffmann, Miller & Ozga, P.C.

20070179012 - Variable flywheel mechanism and flywheel apparatus: A variable flywheel mechanism is capable of varying the moment of inertia is disclosed. The wheel mechanism includes a sun gear, planetary gears, pivotable arms swung by the planetary gears, and weights mounted on the pivotable arms. The positions of the weights are controlled by rotation of the sun gear.... Agent: Birch Stewart Kolasch & Birch

20070179011 - Variable gear ratio steering apparatus for automobile: A variable gear ratio steering apparatus for an automobile includes an input shaft connected to a steering wheel; a sun gear coaxially formed with the input shaft while enclosing the input shaft; a first pair of planet gears externally meshing with the sun gear; a second pair of planet gears... Agent: Lahive & Cockfield, LLP