Planetary gear transmission systems or components inventions 05/07

20070123383 - Differential torque generator: A first common rotational axis of first and second shafts of a first differential is prevented from being coaxial with a second common rotational axis of first and second rotary members of a second differential so that each of the first and second shafts is prevented from extending through at... Agent: Crowell & Moring LLP Intellectual Property Group

20070123382 - Power delivery system of a hybrid vehicle: The present invention relates to a power delivery system of a hybrid vehicle, for delivering power from an engine to a differential gear by using three shafts and two planetary gear sets. A power delivery system of a hybrid vehicle according to an exemplary embodiment of the present invention includes... Agent: Morgan, Lewis & Bockius LLP (sf)

20070123381 - Wheel drive: A wheel drive has one first prime mover (1), one brake (19) and one second prime mover (8) which are co-axially disposed. Via a reduction gear (4), the first prime mover (1) drives a drive wheel (7) for the traction gear, the second prime mover (8), via a planetary transmission... Agent: Davis & Bujold, P.l.l.c.

20070123384 - Electrodynamic power plant and operation method therefor: A transmission for a vehicle equipped with an electrodynamic starting element or an electrodynamic power plant (1) and an electrodynamic starting element or an electrodynamic power plant (1) having an electric motor (2) and a planetary transmission (5) located between the internal combustion engine (4) and the transmission (3) in... Agent: Davis & Bujold, P.l.l.c.

20070117668 - Electro-mechanical transmission with six speed ratios and a method of redesigning a transmission: An electromechanical transmission is provided having an input member for receiving power from an engine and output member. A plurality of gear members is operable for changing speed ratio between the input member and the output member. The input is connected with one of the gear members and the output... Agent: General Motors Corporation Legal Staff

20070117667 - Intake manifold pressure control apparatus and method for a hybrid propulsion system: Provided is an intake manifold pressure control apparatus, or vacuum pump, for a hybrid propulsion system. The vacuum pump is operable to evacuate the intake manifold of an internal combustion engine, thereby lowering the Manifold Absolute Pressure, or MAP, to a predetermined level to enable a quick restart of the... Agent: General Motors Corporation Legal Staff

20070117669 - Electric drive system with plural motors: An electric drive system is provided having first and second output members and a driving shaft having an axis or rotation. A plurality of electric motors are arranged adjacent to the driving shaft. Each motor has an output shaft in driving engagement with and substantially parallel to the driving shaft.... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070117670 - Arrangement for variable drive of vehicle wheels: An arrangement for variable drive of the wheels of an axle of a motor vehicle includes a control device for influencing the drive torque on the wheels. The control device comprises a mechanical control element and a hydrostatic control element, which cooperate to allocate a defined drive torque to a... Agent: Crowell & Moring LLP Intellectual Property Group

20070117671 - Multiplexed control system and method for an electrically variable hybrid transmission: A powertrain has an electrically variable hybrid transmission having an electro-hydraulic control system, plurality of electrical power units, and a plurality of torque transmitting mechanisms selectively engageable by the electro-hydraulic control system to provide four forward speed ranges, a neutral condition, an electric low and high speed mode, and an... Agent: General Motors Corporation Legal Staff

20070117672 - Tandem axle system: A tandem axle system having a forward drive axle system connected to a rear drive axle system via a drive shaft. The forward drive axle system uses a hypoid bevel pinion to drive forward half shafts via a forward ring gear. The rear drive axle system uses a spiral bevel... Agent: Marshall & Melhorn

20070117673 - Multi-speed planetary transmission: A power transmission incorporates an input planetary gearset and an output planetary gearset, which are interconnected by a plurality of torque-transmitting mechanisms to establish at least seven forward speed ratios. The input planetary gearset has one member selectively connected with the input shaft and another member continuously connected with a... Agent: General Motors Corporation Legal Staff

20070117674 - Transmission: The transmission comprises a sun gear fixed to an input shaft, four pinions, and a carrier part connected to an output shaft. Each pinion has a planetary gear engaged with the sun gear, and planetary gears having the number of teeth different from that of that planetary gear. Each internal... Agent: Takafumi Nagao

20070117675 - Washer and planetary gear set having the same: A washer and a planetary gear set having the same, wherein the washer includes a first washer member and a second washer member. The first washer member is formed at a surface thereof with a plurality of first stepped portions each having a radially extending concave structure. The second washer... Agent: Morgan, Lewis & Bockius LLP (sf)

20070111837 - Electrically variable transmissions with three interconnected gearsets: 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, and two or more selectable torque-transfer devices. The selectable torque transfer devices are engaged to... Agent: General Motors Corporation Legal Staff

20070111838 - Transmission: A transmission including a first input member which in use is rotatably driven by a first prime mover, a second input member which in use is rotatably driven by a second prime mover, a rotatable output member from which drive is provided to a driven structure, the first input member... Agent: Greenlee Winner And Sullivan P C

20070111839 - Planetary gear set for an automatic transmission of a vehicle: A planetary gear set for an automatic transmission of a vehicle includes a central shaft having a main lubrication path and a penetration hole connected with the main lubrication path, a sun gear, a pinion gear, a ring gear, a planet carrier, a first bearing disposed between a side of... Agent: Morgan, Lewis & Bockius LLP (sf)

20070111840 - Multiple gear ratio transmission device: p

20070111841 - Axle assembly bearing positioning and preload adjustment tool and method of implementing same: An axle assembly bearing preload positioning and load adjustment device and associated method. A differential case 51 is rotatably supported in a housing by a pair of bearing assemblies. A pair of threaded adjusters having a substantially cylindrical body are each disposed within and threadingly engage the housing for selectively... Agent: Berenato, White & Stavish

20070111842 - Power transmission apparatus: A power transmission apparatus is provided with a housing, which rotates together with an input shaft, a differential mechanism, and a main clutch. The main clutch links the input shaft and the first output shaft. The differential mechanism distributes drive force that is inputted from the input shaft via the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070111843 - Multi-stage automatic transmission: A multi-stage automatic transmission for a motor vehicle with standard drive has one overdrive front-mounted gearset (VS) which is connected with one input shaft (AN), a multi-member main gearset connected with one output shaft (AB) and connectable with one output element of the front-mounted gearset (VA), the same as six... Agent: Davis & Bujold, P.l.l.c.

20070111844 - Transmission having multiple ratio planetary gear unit in series with an auxiliary gear unit: A multiple ratio transmission having a planetary primary gear unit producing forward ratios and a reverse ratio, and a planetary auxiliary gear unit in series with the primary gear unit producing a direct drive ratio and either an underdrive ratio or an overdrive ratio. The transmission produces six or seven... Agent: Macmillan, Sobanski & Todd, LLC

20070111845 - Driving mechanism and door closing apparatus for vehicle: A driving mechanism includes: a drive gear fixed to a motor; a sun gear rotatably provided and having a gear portion engaged with the drive gear; a ring gear coaxial with the sun gear and locked not to rotate relative to the sun gear and being allowed to rotate relative... Agent: Buchanan, Ingersoll & Rooney PC

20070111846 - Planet carrier: The invention relates to a planet carrier (1) with planet pins (2) that are supported in at least one wall section (10) of the planet carrier (1), the planet carrier (1) having at least one axial bearing (6) supported on the wall section (10), with the axial bearing (6) being... Agent: Lucas & Mercanti, LLP

20070111847 - Planetary gear train and driving unit having the same: A planetary gear train includes a carrier having a first side plate, a second side plate disposed in parallel to the first side plate and pinions rotatably supported by the first and second side plates; and a ring member secured to an outer edge of the second side plate. The... Agent: Oliff & Berridge, PLC

20070105679 - Control apparatus for vehicular drive system: A control apparatus for a vehicular drive system including a continuously-variable transmission portion operable as an electrically controlled continuously variable transmission, and a step-variable transmission portion, the continuously variable transmission portion having a differential mechanism operable to distribute an output of an engine to a first electric motor and a... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070105678 - Multi-mode electrically variable transmissions having two planetary gear sets with one fixed interconnection: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, four selectable torque-transfer devices, and a dog clutch. The selectable torque transfer devices are engaged singly... Agent: General Motors Corporation Legal Staff

20070105680 - Hydrostatic mechanical power-split transmission: The invention relates to a hydrostatic mechanical power-split transmission with a continuously variable gear ratio, said transmission comprising a hydrostatic transmission part (1) consisting of a first hydrostatic unit (B) with an adjustable volume, a second hydrostatic unit (A) with a constant volume, and a mechanical transmission part (2) comprising... Agent: Davis & Bujold, P.l.l.c.

20070105681 - Device for controlling an automatic transmission: A device for the hydraulic control of an automatic transmission, especially a continuously variable automatic transmission. The control system comprises a forward/reverse drive unit (4), which is controlled by way of at least a first and a second shifting component (5, 6). The shifting components (5, 6) are in turn... Agent: Davis & Bujold, P.l.l.c.

20070105682 - Multispeed automatic transmission: A multispeed automatic transmission includes first, second and third frictional elements and has first, second and third speed stages. The first frictional element is disengaged, engaged and disengaged when the transmission assumes the first, second and third speed stages respectively. The second speed stage is established by a first speed... Agent: Foley And Lardner LLP Suite 500

20070105683 - Hydraulic steering transaxle and hydraulic driving vehicle: A steering transaxle comprises: left and right drive shafts drivingly connected to respective steerable wheels; a differential gear unit differentially connecting the drive shafts to each other; a transaxle casing having an opening, the transaxle casing incorporating the differential gear unit and the drive shafts; a cover for covering the... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070105684 - Ball ramp assembly with variable pitch of the ball grooves: An axial setting device includes two discs which are centered on a common axis. One is axially supported and the other one is axially displaceable, and at least one is rotatingly drivable. The two discs on their end faces, each have a plurality of circumferential ball grooves. The ball grooves... Agent: Artz & Artz, P.C.

20070105685 - Automatic transmission for vehicle: A vehicle automatic transmission includes a planetary gear that reduces a speed of an input rotation of an input shaft and outputs a reduced speed rotation; at least two clutches that are capable of transmitting the reduced speed rotation that passes through the planetary gear; a planetary gear set having... Agent: Oliff & Berridge, PLC

20070105686 - Planet transmission, drive device comprising the plannet transmission and brake disc for the planet transmission: A planet transmission (1) for a land vehicle including a planet carrier (7), which is designed for rotation and has at least one journal (8) for supporting a planet wheel (6), and a brake (2), a first set of brake discs (10) being rotationally locked to the planet carrier (7).... Agent: Novak Druce & Quigg, LLP (volvo Prosecution)

20070105687 - Transfer case with low gear ratio: A transfer case is provided utilizing dual planetary gearsets to provide a low gear ratio that can be engaged and disengaged on the fly without binding of gears. The transfer case provides an option for engaging the front, rear, both front and rear, or none of the wheels of a... Agent: Hahn Loeser & Parks, LLP

20070099738 - Electrically variable transmission with input split mode and compound split modes: A vehicle transmission includes a differential gear set having five coaxial gear elements and an output member. Two of the gear elements are controllable via torque transmitting mechanisms such as electric motors to establish a plurality of speed ratios between the input shaft and the output shaft. Two of the... Agent: General Motors Corporation Legal Staff

20070099739 - Multiplexed pressure switch system for an electrically variable hybrid transmission: A powertrain has an electrically variable hybrid transmission having an electro-hydraulic control system, plurality of electrical power units, and a plurality of torque transmitting mechanisms selectively engageable by the electro-hydraulic control system to provide four forward speed ranges, a neutral condition, an electric low speed mode, an electrically variable low... Agent: General Motors Corporation Legal Staff

20070099740 - Transfer box with crown teeth: A transfer box with a housing, an input shaft, a first output shaft extending coaxially relative to said input shaft, and a second output shaft extending parallel to said two shafts, as well as with a differential gear assembly arranged between said shafts, wherein the input shaft carries a cross... Agent: Artz & Artz, P.C.

20070099742 - Automatic transmission for automotive vehicles: There is provided an automatic transmission comprising a first shaft capable of receiving torque from an engine, and four planetary gear sets arranged coaxially on the first shaft and in series in an axial direction of the first shaft. Each of the four planetary gear sets has a single sun... Agent: Mazda North American Operations

20070099741 - Three mode, multi-speed transmission: An automatic transmission providing modal speed ratios, single transition gear shifting, low internal speeds, and an output lock feature is provided. First, second and third modal torque-transmitting mechanisms are selectively engagable along with first and second input torque-transmitting mechanisms to effect power flow to first and second planetary gear set... Agent: General Motors Corporation Legal Staff

20070099743 - Clutch assembly: A power-folding vehicle mirror assembly having an improved clutch assembly is disclosed. The assembly comprises: a base mountable to a vehicle; a clutch body mounted to and rotationally fixed to the base; a sun gear slidably mounted to the base for rotation, the sun gear biased towards engagement with the... Agent: Warn, Hoffmann, Miller & Lalone, .p.c

20070099744 - Planetary gear: A planetary transmission, in particular for machine tools, with a drive shaft that is connected to a sun gear, with an output shaft that is connected to a planetary carrier and with an interior gear, that in a first operating position engages with the housing, and in the second operating... Agent: Davis & Bujold, P.l.l.c.

20070099747 - Gear mechanism and reduction planetary gear: In a gear mechanism, inner gear teeth and outer gear teeth are formed of high-tooth. An engagement ratio of the inner and outer gear teeth is configured so as to be 2.0 or more, whereby a load can be transferred between the inner and outer teeth via a continuous gear... Agent: Nixon Peabody, LLP

20070099746 - Self aligning gear set: A self-aligning gear set for maintaining optimal meshing contact between a driving gear and a driven gear that compensates for shaft deflection under a range of loads and when an industrial double helical gear set that has a pair of helical shaft gears meshing with a pair of helical flexible... Agent: Barnes & Thornburg LLP

20070099745 - 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 (48, 58) which transmits only radial loads... Agent: Polster, Lieder, Woodruff & Lucchesi