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Multi-ratio planetary gear transmission

Patent Number: 8444526
Publication Date: 2013-05-21
Inventors: ; ; ;

A transmission comprising a first compound planetary gear set having a first brake engaged with a sun gear, a second compound planetary gear set having a second brake engaged with a ring gear, the first compound planetary gear set and the second planetary gear set axially engagable through a first clutch and a second clutch, and the transmission input and transmission output disposed coaxially and configured to input and output torque from the same side of the ...

Multi-ratio transmission

Patent Number: 8444525
Publication Date: 2013-05-21
Inventors: ; ;

A transmission comprising four planetary gear sets, eight shafts and six shift elements. The sun gear of gear set (P1) is fixed via brake (04), the carrier of gear set (P1) is fixed via brake (03) and the drive via clutch (13), and shaft (6) via clutch (36). Sixth shaft (6) is connected to the ring gear of gear set (P2) and the sun gear of gear set (P4), the drive is connected to the sun gear of gear set (P2) and ...

Multi-ratio transmission

Patent Number: 8444524
Publication Date: 2013-05-21
Inventors: ; ;

A multi step transmission comprises planetary gearsets (P1, P2, P3, P4), shafts and shift elements. The sun gear of gearset (P1) couples housing (G). The carrier of gearset (P1) couples shaft (3), which couples housing (G) via brake (03), drive shaft (01) via clutch (13), and shaft (5) via clutch (35). Shaft (5) operatively couples the sun gear of gearset (P3) and couples the ring gear of ...

Biasing device

Patent Number: 8444523
Publication Date: 2013-05-21
Inventors: ;

Disclosed is a biasing device comprising a first ramp disc and a second ramp disc, a plurality of ramp contours being formed in one side of an annular surface of each of said ramp discs. Through a slewing of one of the two ramp discs relative to the other, non-slewing ramp disc about an axis, the rolling elements ascend and/or descend along the ramp contours. At least the first ramp disk, the cage and the second ramp disc are inserted into a retaining pot that is connected rotationally fast ...

Flow-formed differential case assembly

Patent Number: 8444522
Publication Date: 2013-05-21
Inventors: ;

A differential case assembly includes a differential case having an open end and a side wall with an interior surface. A plurality of major internal splines is formed on the interior surface of the side wall. The differential case assembly further includes a gear assembly with a retainer insert and a cross pin. The retainer insert is disposed adjacent the interior surface of the side wall between a pair of the major internal splines. The retainer insert has a hole formed therein. The cross ...

Adjustment fitting

Patent Number: 8444521
Publication Date: 2013-05-21
Inventors: ; ; ; ;

Adjustment fitting, in particular for a vehicle seat, comprising a first fitting part and a second fitting part that can be rotationally adjusted relative to the first fitting part about an axis of rotation. An external gear, which has internal teeth and into which an internal gear that is associated with the second fitting part and has external teeth is inserted like an eccentric gear, is associated with the first fitting part. The internal gear forms an eccentric receiving space towards ...

Gear device

Patent Number: 8444520
Publication Date: 2013-05-21
Inventor:

A gear device has an outer cylinder fixed to a first mating member and a crankshaft inside the outer cylinder. An external gear is mounted to an eccentric portion of the crankshaft and meshes with internal teeth of the outer cylinder. A carrier is fixed to a second mating member. Rocking rotation of the external gear rotates the carrier coaxially to the outer cylinder. A cylindrical body is inserted in an axial through-hole of the carrier. The carrier has a first portion on one end of the ...

Hybrid drive train of a motor vehicle

Patent Number: 8444519
Publication Date: 2013-05-21
Inventors: ; ;

A hybrid drive train of a motor vehicle which comprises a combustion engine, an electric machine which is operable as a motor and a generator and comprises a stator and a rotor, and a multi-stage planetary transmission with input and output shafts. The driveshaft of the combustion engine can be connected to the input shaft of the transmission, the electric machine is coaxially arranged about the input shaft, and the rotor of the electric machine is rigidly connected with the input shaft. To ...

Drive device

Patent Number: 8444518
Publication Date: 2013-05-21
Inventors: ; ; ; ;

A drive device includes: an input shaft connected to an engine; a first motor-generator; a second motor-generator; a planetary gear unit including three rotating elements; an output gear connected to the planetary gear unit; an output shaft that transmits rotation of the output gear to a driving wheel; and a control device that controls at least one of the first and second motor-generator. The output gear, the planetary gear unit, and the first motor-generator are coaxial with the input ...

Hybrid transmission

Patent Number: 8444517
Publication Date: 2013-05-21
Inventors: ;

A multi-speed hybrid transmission includes a main gearset connected to a vehicle gas combustible engine and providing torque to an output shaft. The transmission also includes an electric drive unit comprising an electric motor that is selectably connectable to the output shaft to provide additional torque to the output shaft. When connected to the output shaft, the electric drive unit improves vehicle performance under certain driving conditions (e.g., high boost in low gear or in upper ...

Multi-speed drive unit

Patent Number: 8444516
Publication Date: 2013-05-21
Inventors: ; ; ; ;

A compound-input is provided for an electrically variable transmission for a motor vehicle. The compound-input electrically variable transmission has improved input gear ratios that allow the vehicle engine to be operated in its desired efficiency and/or performance range during both city and highway vehicle operation. Further, the multi-speed input electrically variable transmission provides an input brake without the need for a dedicated input brake clutch or braking mechanism and ...

Automatic transmission

Patent Number: 8439794
Publication Date: 2013-05-14
Inventor:

An automatic transmission includes a first planetary gear set; a second planetary gear set; a third planetary gear set; an input shaft; an output shaft; and five friction elements. A first ring gear is constantly locked. A third carrier is connected with a second ring gear to define a rotating member. The input shaft is constantly connected with a second carrier, and the output shaft is constantly connected with the rotating member. The five friction elements are adapted to selectively ...

Multi-speed transmission having three planetary gear sets

Patent Number: 8439793
Publication Date: 2013-05-14
Inventors: ; ; ;

A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and ...

Planetary gear mechanism for a bicycle

Patent Number: 8439792
Publication Date: 2013-05-14
Inventors: ;

A planetary gear mechanism for a bicycle, and more particularly to a planetary gear mechanism comprising a first planetary mechanism connected coaxially in series to a second planetary mechanism, which second planetary mechanism is connected coaxially in series to a third planetary mechanism, the second planetary mechanism output is a step up in speed from the first planetary mechanism output, the third planetary mechanism output is a step up in speed from the second planetary mechanism ...

Multi-speed planetary transmission with two compound planetary gear sets

Patent Number: 8439791
Publication Date: 2013-05-14
Inventors: ;

A multi-speed transmission includes an input member, an output member, a stationary member, and a first and a second compound planetary gear set. The first compound planetary gear set has a first, a second, a third, a fourth, and a fifth member. The second compound planetary gear set has a first, a second, a third, and a fourth member. The first member of the second compound planetary gear set is continuously connected for common rotation with the output member. An interconnecting member ...

Multi-speed transmission having three planetary gear sets

Patent Number: 8439790
Publication Date: 2013-05-14
Inventors: ; ; ;

Multi-speed transmission having three planetary gear sets

Patent Number: 8439789
Publication Date: 2013-05-14
Inventors: ; ; ; ;

Vehicle differential unit

Patent Number: 8439788
Publication Date: 2013-05-14
Inventor:

In a vehicle differential unit according to an embodiment of the invention, a planetary carrier that is a rotatable member that rotatably supports planetary gears is formed of cylindrical members that are unable to rotate relative to each other on the rotational axis of a pair of output shafts. The vehicle differential unit has a thrust force generation portion that receives a driving force from a drive source of a vehicle and generates a thrust force along the direction of the rotational ...

Transmission with mixed planetary layshaft structure

Patent Number: 8439787
Publication Date: 2013-05-14
Inventors: ;

A transmission includes an input member, an output member, a first and a second intermediate member, and a planetary gear set, all of which are coaxial and define a first axis of rotation. A first and a second layshaft are arranged to define a second axis of rotation and a third axis of rotation, respectively. Each of five sets of intermeshing gears transfer torque from a respective one of the intermediate members to a respective one of the layshafts via engagement of different respective ...

Electric drive for a mobile vehicle

Patent Number: 8439786
Publication Date: 2013-05-14
Inventors: ;

An electric drive for a mobile vehicle comprises an electric motor (1) which powers a differential via a spur gear mechanism (3, 4, 6, 7). The electric motor (1), the spur gear mechanism (3, 4, 6, 7) and the differential (9) are each accommodated within a housing comprising three main housing portions (12, 13, 14), namely, a central housing portion (12), a first covering housing portion (13) and a second covering housing portion ...

Control apparatus for automatic transmission

Patent Number: 8439785
Publication Date: 2013-05-14
Inventors: ; ;

An automatic transmission includes: a frictional engagement element arranged to be switched from an engagement state to a disengagement state at a switching from a running range to a neutral range, and including: frictional plates; a first piston arranged to push the frictional plates; a second piston arranged to push the frictional plates; a first hydraulic chamber arranged to receive a hydraulic fluid for pushing the first piston; and a second hydraulic chamber arranged to receive a ...

Braking system

Patent Number: 8439784
Publication Date: 2013-05-14
Inventor:

The present invention relates to a braking system (1). The system comprises an annulus gear (3) having a fluid contained therein and at least one planet gear (4), arranged within the annulus gear and rotatably engaged therewith. The system further comprises means (10) for controlling the flow of fluid within the system to control relative rotational motion between the planet gear and the annulus ...

Penetrating shaft type planetary gear train with bidirectional input and one-way output

Patent Number: 8439783
Publication Date: 2013-05-14
Inventor:

For the penetrating shaft type planetary gear train with bidirectional input and one-way output, the planetary gear train and one-way transmission integrate to constitute the planetary gear train, in which the driven rotary direction of the input shaft of the gear train with bidirectional input and one-way output is changed, and the output rotary direction of the output shaft is ...

Automatic transmission

Patent Number: 8439782
Publication Date: 2013-05-14
Inventor:

An automatic transmission includes an input shaft rotatable by power from a driving source. A transmission unit is capable of changing a speed of rotation of the input shaft to any one of speeds at gears. The transmission unit includes at least one planetary gear mechanism having three elements. An output member outputs the transferred power with a speed changed by the transmission unit. A transfer mechanism switches between a transfer state of power between a motor connection element and ...

Stroboscope device and imaging device provided with the same

Patent Number: 8435157
Publication Date: 2013-05-07
Inventor:

A stroboscope device can rotate a light emitting part about at least two axes by a drive mechanism. The drive mechanism includes a drive gear that rotates by a drive force transmitted from a drive source, a sun gear engaged with the drive gear, a planet gear engaged with the sun gear, a support member that rotatably supports the sun gear and the planet gear and is oscillatable around a rotation axis of the sun gear, at least two drive systems for rotating the light emitting part about at ...

Kit for a series of planetary gears, planet carrier and drive

Patent Number: 8435156
Publication Date: 2013-05-07
Inventor:

In a series of planetary transmissions, the series including a least one size, each size including at least two variants, the planetary transmission including at least one planetary-transmission stage, which contains at least one planetary-gear carrier having a web face, and planets, a sun, and a ring gear, the planetary-gear carrier including bores of a first type and bores of a second type on its web face, the bores of the first type being arranged on a first circle having a first radius ...

Operating mechanism for a bicycle multiple gear hub

Patent Number: 8435155
Publication Date: 2013-05-07
Inventor:

An operating mechanism by which the linear movement of a gearshift cable is converted into a rotational movement of an operating sleeve and transmitted to the interior of a bicycle multispeed gear ...

Multi-speed transmission

Patent Number: 8435154
Publication Date: 2013-05-07
Inventors: ; ;

A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are each selectively engageable in combinations of at least three to establish a plurality of forward speed ratios and at least one reverse ...

Multi-speed transmission

Patent Number: 8435153
Publication Date: 2013-05-07
Inventors: ; ; ;

A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least two to establish at least nine forward speed ratios and at least one reverse speed ...

Eight speed automatic transmission

Patent Number: 8435152
Publication Date: 2013-05-07
Inventors: ; ; ;

An eight speed automatic transmission is provided having an input member, an output member, four planetary gear sets and five torque transmitting devices. Three of the planetary gear sets are simple and one planetary gear set is compound. Each of the plurality of planetary gear sets has first, second and third members: a sun gear, a ring gear and a planet carrier having a plurality of planet gears rotatably disposed thereon. Three of the torque transmitting devices are clutches and two of ...

Gear train of automatic transmission for vehicles

Patent Number: 8435151
Publication Date: 2013-05-07
Inventors: ;

A gear train of an automatic transmission for vehicles which achieving at least ten forward speeds and one reverse speed, may include an input shaft receiving torque of an engine which may be driving source, an output gear outputting a changed torque, first, second, third, and fourth planetary gear sets respectively having first, second, third, and fourth sun gears, first, second, third, and fourth planet carriers, and first, second, third, and fourth ring gears as rotation elements ...

Gear stage

Patent Number: 8435150
Publication Date: 2013-05-07
Inventors: ; ;

A gear stage (10), in particular of a vehicle seat (3), is embodied as a friction wheel gear stage. The gear stage includes a housing (5), a drive (12), an output (14) that is set off from the drive (12) by an excentricity (e) and at least one sphere (15) or another rolling body for the transmission of force between the drive (12) and the output (14). The position of the excentricity (e) relative to the housing (5) is ...

Reduction gear device

Patent Number: 8435149
Publication Date: 2013-05-07
Inventor:

A reduction gear device includes a first reduction mechanism and a second reduction mechanism. The second reduction mechanism includes a crankshaft, an external gear and an internal gear. One of the internal gear and the external gear is fixed to a base part side member of a robot arm of an industrial robot, and the other of the internal gear and the external gear is fixed to an anterior end side member of the robot arm of the industrial robot. An inner diameter D of the internal gear is ...

Hydraulic control system for an automatic transmission having electronic transmission range selection with failure mode control

Patent Number: 8435148
Publication Date: 2013-05-07
Inventor:

A hydraulic control system for a transmission includes a source of pressurized hydraulic fluid that communicates with an electronic transmission range selection (ETRS) subsystem. The ETRS subsystem includes an ETRS valve, a park mechanism, first and second mode valve assemblies, a latch valve assembly, and a plurality of solenoids. The ETRS subsystem is configured to provide desired operating conditions during a plurality of potential failure ...

Transmission for hybrid vehicle

Patent Number: 8435147
Publication Date: 2013-05-07
Inventors: ;

A transmission for a hybrid vehicle is provided to implement one or more electric vehicle modes, two or more power split modes, and a plurality of fixed-gear ratio modes that can improve driving performance and fuel ...

Epicyclic gear system with flexpins

Patent Number: 8430788
Publication Date: 2013-04-30
Inventors: ;

A flexpin assembly (B) for an epicyclic gear system (A) includes a flexpin (20) that at one end is cantilevered from a carrier end wall (12) and a sleeve (22) that surrounds the flexpin and is cantilevered from the flexpin at the other end of the flexpin. In addition, the assembly has an antifriction bearing (24) for supporting a planet pinion (6) around the sleeve. The flexpin has a base (30) that is configured to be anchored to a carrier wall, a ...

Power transmission device for work vehicle

Patent Number: 8430787
Publication Date: 2013-04-30
Inventor:

A power transmission device includes a first planetary gear reducer, a second planetary gear reducer and a hydraulic clutch mechanism. The first planetary gear reducer includes: a first sun gear receiving torque inputted thereto; a first carrier supporting plural first planet gears; and a first ring gear coupled to a wheel. The second planetary gear reducer includes: a second sun gear coupled to the first carrier; a second carrier, coupled to the hydraulic clutch mechanism while supporting ...

Automatic transmission

Patent Number: 8430786
Publication Date: 2013-04-30
Inventors: ; ; ;

An automatic transmission including a single-pinion first planetary gearset having a first sun gear, a first ring gear and a first pinion carrier, a double-pinion second planetary gearset having a second sun gear, a second ring gear and a second pinion carrier, a single-pinion third planetary gearset having a third sun gear, a third ring gear and a third pinion carrier, an input shaft always connected to the first sun gear, an output shaft always connected to the first pinion carrier, the ...

Multistage transmission

Patent Number: 8430785
Publication Date: 2013-04-30
Inventors: ; ;

A multi-stage transmission (1) comprising a housing (9), a drive shaft (AN), an output shaft (AB), four planetary gear sets (RS1, RS2, RS3, RS4) which each have first, second and third elements, at least eight rotatable shafts (1, 2, 3, 4, 5, 6, 7, 8), six shift elements which comprise three clutches (K1, K2, K3) and three brakes (B1, B2, B3). Selective engagement of the clutches and brakes results in ...

Multi-speed transmission having four planetary gear sets

Patent Number: 8430784
Publication Date: 2013-04-30
Inventors: ; ; ;

A transmission is provided having an input member, an output member, two planetary gear sets, another two planetary gear sets that may be stacked or nested to form a planetary gear set assembly, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The stacked or nested planetary gear set assembly has a carrier member for rotatably supporting a first plurality of pinion gears and a second ...

Automatic transmission

Patent Number: 8430783
Publication Date: 2013-04-30
Inventor:

Provided is an automatic transmission capable of reducing friction loss. A first element (Sa) is coupled with an input shaft (2), a second element Ca is coupled with a first driving gear (G1a). A first driven gear (G1b) is pivotally supported on an output shaft (3), a seventh element (Rc) is coupled with a second driving gear (G2a), and a second driven gear (G2b) is fixed to the output shaft (3). A third element ...

Power plant

Patent Number: 8430782
Publication Date: 2013-04-30
Inventor:

A power plant which is capable of reducing the size and costs thereof and attaining high driving efficiency. In the power plant 1, the ratio between the number of first armature magnetic poles that form a first rotating magnetic field generated by a first stator 23 of a first rotating machine 21, the number of first magnetic poles 24a of a first rotor 24, and the number of first soft magnetic material elements 25a of a second rotor ...

Gear lash control member for a differential gear set and method of establishing gear lash

Patent Number: 8430781
Publication Date: 2013-04-30
Inventors: ;

A differential gear set including a gear housing and a first planet gear rotatably mounted to the gear housing and includes a first end portion having a plurality of planet gear teeth. A second planet gear is rotatably mounted to the gear housing and includes a first end portion having a plurality of planet gear teeth. A side gear is rotatably mounted in the gear housing and includes a plurality of side gear teeth that mechanically engage with the plurality of planet gear teeth of the first ...

Support structure for differential

Patent Number: 8430780
Publication Date: 2013-04-30
Inventors: ; ; ; ;

A support structure for a differential assembly comprising: a support ring having a peripheral wall extending between a first face and a second face, the support ring having a non-hollow center; a bore in the peripheral wall sized and shaped to receive a pinion shaft; and an aperture in the first face, the second aperture in fluid communication with the first ...

Power-dividing gear train assembly for motor vehicles

Patent Number: 8430779
Publication Date: 2013-04-30
Inventor:

A power-dividing gear train assembly for motor vehicles includes a differential that outputs torque to two output shafts. The output torque applied to the output shafts is changeable by using a superimposing gear train, which comprises a plurality of epicyclic gear trains and is drivingly connected indirectly or directly with the output shafts. A drive motor is drivingly coupled to the superimposing gear train and the transmission ratio of the superimposing gear train is set such that an ...

Integrated gear constant velocity joint for all wheel drive

Patent Number: 8430778
Publication Date: 2013-04-30
Inventors: ;

A drive arrangement connects a drive gear of a vehicle transmission/transfer to a prop shaft that drives a set of wheels, and includes a driven gear journaled for rotation on a housing and having teeth meshing with teeth provided on the drive gear. The driven gear has an axially extending cylindrical central bore. A yoke attached to the prop shaft has a shaft extending into the central bore of the driven gear. An annular inner race has a central bore encircling the yoke and an outer ...

Power transmission mechanism for parallel hybrid vehicle

Patent Number: 8430777
Publication Date: 2013-04-30
Inventor:

A proposition is to provide a power transmission mechanism for parallel hybrid vehicle that is capable of smoothly combining/separating input/output powers of a motor and an engine, and is applicable to a large hybrid vehicle by ensuring sufficient strength of a mechanism for combining and separating the input/output powers.

It is characterized by including a motor output shaft of the motor/generator rotatable separately from an engine drive shaft system extending from a main clutch ...

Anti-rotation pin for a planetary gear utilizing a two-piece carrier

Patent Number: 8430776
Publication Date: 2013-04-30
Inventors: ;

A planetary gear set includes a ring gear having an inner diametric surface that defines an inner ring gear portion. A carrier assembly is arranged within the inner ring gear portion. The carrier assembly includes a carrier member having a carrier member body including a planet gear support surface and at least one carrier plate support member that extends substantially perpendicularly from the planet gear support surface. The at least one carrier plate support member includes a carrier ...