Abstract: A bicycle hub gearbox comprises a first planetary gear mechanism and a second planetary gear mechanism and a tubular linking member. The second planetary gear mechanism is operatively coupled with the first planetary gear mechanism. The tubular linking member include a first toothed ring part engaged with the first planetary gear mechanism at a first axial region and a second toothed ring part engaged with the second planetary gear mechanism at a second axial region such that a permanent synchronization between the at least two planetary gear mechanisms is achieved. The first and second toothed ring parts have different diameters and being axially spaced apart.

Abstract: The present invention provides a transmission, which makes it possible to conduct work of repairing or replacing a braking device by disassembling only parts of a reduction gear system after separating a housing, and in which oil is provided around the braking device and circulates along a flow path, thus preventing the braking device from wearing, thereby extending the lifetime of bearings and gears. To accomplish the above object, in the transmission of the present invention, the drive motor is provided on an end of a housing, and a drive means is provided on an opposite end of the housing. An output shaft is provided at a predetermined position in the housing to receive power from the drive motor. A drive shaft is coaxially coupled to the output shaft, and a drive gear is provided at a predetermined position on the drive shaft. Furthermore, a driven gear engages with the drive gear, and a driven shaft is coaxially coupled to the driven gear and is parallel with the drive shaft.

Abstract: The present invention provides a transmission, which makes it possible to conduct work of repairing or replacing a braking device by disassembling only parts of a reduction gear system after separating a housing, and in which oil is provided around the braking device and circulates along a flow path, thus preventing the braking device from wearing, thereby extending the lifetime of bearings and gears. To accomplish the above object, in the transmission of the present invention, the drive motor is provided on an end of a housing, and a drive means is provided on an opposite end of the housing. An output shaft is provided at a predetermined position in the housing to receive power from the drive motor. A drive shaft is coaxially coupled to the output shaft, and a drive gear is provided at a predetermined position on the drive shaft. Furthermore, a driven gear engages with the drive gear, and a driven shaft is coaxially coupled to the driven gear and is parallel with the drive shaft.

Abstract: A drive train (1, 30) for a hybrid vehicle, in which an internal combustion engine (2) is drive-technologically connected to a disengagement clutch (4) whose output side is connected to a transmission input shaft (7), which is connected to an input element (8, 38) of an automatic transmission (17, 36), and in which the transmission input shaft (7) can be driven by an electric machine (5) and itself drives a hydraulic pump (6), which is drive-technologically arranged after the disengagement clutch (4) and before a shiftable starting element (F) of the automatic transmission (17, 36).

Abstract: A transfer case for a vehicle that includes a planetary gear assembly, a clutch pack assembly, and a band and drum assembly that provide an overdrive or underdrive and direct drive in combination with a vehicle transmission. In one embodiment, an input shaft drives an outer ring gear of the planetary gear assembly and is coupled to one set of discs of the clutch assembly. A carrier of the planetary gear assembly is coupled to a rear output shaft, where the carrier supports a plurality of pinion gears. A sun gear of the planetary gear assembly is coupled to another set of discs of the clutch assembly that are coupled to the drum. When the clutch assembly is engaged, the ring gear is coupled to the sun gear for direct drive and when the band is engaged, the pinion gears and the ring gear provide underdrive.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting mechanisms and two interconnecting members. The powertrain includes an engine that is selectively connectable to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The seven torque-transmitting mechanisms provide interconnections between various gear members, the input shaft and the transmission housing, and are operated in combinations of three to establish at least eight forward speed ratios and at least one reverse speed ratio.

Abstract: A simple planetary gear arrangement is provided for a transfer case. The transfer case includes a carrier connected to the transfer case input. The ring gear is connected with a rear axle. The sun gear is connectable with a front axle through a clutching arrangement including a one-way clutch and a dog clutch in parallel. The one-way clutch and the dog clutch are independently engageable. The sun gear is selectively groundable through a friction clutch. Accordingly, the simple planetary gear set functions as a gear ratio producing device when the friction clutch is engaged, and as a center differential when the dog clutch or one-way clutch is engaged.

Abstract: A wheel transmission for a heavy construction vehicle, which can be applied to specially-equipped vehicles as well as heavy construction vehicles such as a forklift truck and a mechanical shovel. The wheel transmission (200) is intended to drive a pair of right and left wheels independently, and includes a planetary gear assembly (210), a change clutch part (230), a one-way clutch part (300), and a brake part (270) housed in an axle hub at which opposite ends of a drive axle shaft are located, turning force from an engine of a heavy construction vehicle being transferred to the drive axle shaft through a torque converter, a driving shaft, a final reduction gear and a differential gear.

Abstract: An automotive transmission is equipped with a variety of gears that may be combined to yield one or more output speeds as compared to an input speed. One or more electromechanical actuators is used to engage or disengage a particular desired mix of gears. The electromechanical actuator engages one mix of gears or another to set the desired ratio of input speed to output speed. The transmission may be used to provide a straight-through, an underdrive speed range, or an overdrive speed range in an automotive transmission.

Abstract: A multiple speed transmission capable of producing five underdrive gear ratios, one direct drive ratio, four overdrive ratios, and four reverse ratios includes four interconnected planetary gearsets, multi-plate clutches and brakes controlling the gearset elements, and a coupler that changes between forward drive and reverse drive by holding and releasing alternate gearset components against rotation on the transmission case. The transmission in combination with a single-speed transfer case having either an on-demand transfer clutch, or a full-time all-wheel drive system, are formed in an integrated package.

Abstract: A drivetrain for a vehicle includes front and rear axles and a transfer case including two planetary gear sets and four clutches. The first member of the first planetary gear set is continuously connected with the first member of the second planetary gear set and the rear axle. The third member of the first planetary gear set is continuously connected to the second member of the second planetary gear set and the front axle through a transfer chain. An input is selectively connectable with the first member of the first planetary gear set through a first clutch, connectable with the second member of the first planetary gear set through a second clutch, and connectable with the third member of the first planetary gear set through a third clutch. A fourth clutch selectively connects the third member of the second planetary gear set with ground.

Abstract: A gear change-speed unit for an automatic transmission includes a reduction planetary-gear set, a single-pinion type planetary-gear set, and a double-sun-gear type planetary-gear set, which are disposed in parallel in this order from the side of an input shaft.

Abstract: A transfer case is provided for a vehicle having front and rear axles. The transfer case includes a planetary gear set with first, second and third members. The first member is continuously connected with the front axle and the second member is continuously connected with the rear axle. An input shaft is selectively connectable with the first, second or third member. The transfer case provides rear-wheel drive when the second member is connected with the input shaft, all-wheel drive when the third member is connected with the input shaft, and front-wheel drive when the first member is connected with the input shaft. It is important that the specific members of the planetary gear set be chosen so the absolute value of the torque of the third member is equal to the sum of the absolute value of the torques of the first and second members.

Abstract: A driveline for a mobile vehicle comprises a one-step planetary transmission (7) in which the outer central wheel (10) is non-rotatably held, the inner central wheel (6) forms the output and the planet carrier (12) forms the output which can be connected with the housing (4) via a brake (14). To ensure an easy assembly, the output flange (17) is supported in the housing (4) via a first bearing (28) and the planet carrier (12) via a second bearing (26), one pivot (24) of the planet carrier (12) is non-rotatably held in one hole of the output flange (17).

Abstract: A driveline for mobile vehicles comprising one multi-disc brake (14) which non-rotatably connects a rotatable part of a planetary transmission (12) with the housing (4) wherein the actuating device of the multi-disc brake has one piston (18) which has one automatic piston-resetting device (21), and clamping elements (22) are situated in holes (40) of the piston (18).

Abstract: An improved structure of a gear cluster for a bicycle having a crankset mounted with a crankshaft provided with a planetary gear module, wherein the planetary gear module includes a big wheel and a small wheel section and the planetary gear module drives an inner gear module mounted onto a gear plate, One lateral side of the crankshaft is provided with a driving structure including a second driving wheel and a third driving wheel engageable with the big and small wheels and the crankshaft is provided with a regulating structure for the positioning of the driving structure. The regulating structure includes two sets of a second and a third ratchet blocks for the positioning or free rotating of the second and the third driving wheels. The regulating structure is provided with a triggering structure to act on different ratchet block.

Abstract: A family of power transmissions disposed in powertrains wherein each family member has three planetary gearsets and five selectively engageable torque-transmitting mechanisms. The torque-transmitting mechanisms are engaged in combinations of three to provide a reverse speed ratio and at least six forward speed ratios between an input shaft and an output shaft. The family members are characterized at least in part by interconnected members of the first and second planetary gearsets and continuously interconnected members of the second and third planetary gearsets. Further, the family members are characterized by the output shaft being continuously connected to one planetary gearset member, and the one member of the first planetary gearset being continuously connected with the transmission housing. One other common characteristic of the family members is that the input shaft is selectively connectible through at least two torque-transmitting mechanisms with members of at least two of the planetary gearsets.

Abstract: A braking clutch is provided for a transmission which includes a transmission housing and a plurality of planetary gear members. The braking clutch includes a floating caliper movably supported on the transmission housing. An apply hub is actuated by an electric motor. A rotor is operatively connected to one of the planetary gear members and has a portion extending between the floating caliper and the apply hub to enable selective braking of rotation of the rotor by frictionally engaging the portion of the rotor between the floating caliper and apply hub, thereby braking rotation of the planetary gear member.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least five forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets, one brake, and three clutches. The powertrain includes an engine and torque converter that is continuously connected to at least one member of the planetary gear arrangement and an output member that is continuously connected with another of the planetary gear members. At least one member of the first gear set is continuously connected with the transmission housing. The brake and three clutches provide interconnections between various gear members and with the input and the output shaft, and sometimes with the transmission housing, and are operated in combinations of two to establish at least five forward speed ratios and one reverse speed ratio.

Abstract: A multi-gear, manual transmission, especially for utility vehicles, with at least partially automatized gear shifting or with a manual gear shift, in which the gear synchronization is carried out by motor guidance and wherein the transmission possesses a forward shift-group, a main-shift-group and a post shift-group, whereby the pre-shift-group is designed as a planetary gear set (2P) and a support member of the planetary gear set is constructed as a friction brake, which is active in the slow gear-shift position and thereby assumes the function of a start-up clutch.

Abstract: An auxiliary transmission in series with a first automotive transmission adds extra gears through an underdrive feature, which may be manually controlled by an operator or automatically controlled by a computer or controller. The extra gears may be chamfered on a rotational trailing edge for easier meshing while shifting-on-the-go. The extra gears are useful in matching the output torque of the engine and the transmission to the load on the automobile or vehicle powered by the transmission, and thereby improving fuel economy and transportation performance. The transmission may be installed as factory equipment, or may be added later, such as an after-market or dealer-installed option. Gears with a rotational leading edge may mesh with gears having a rotational trailing edge for easier shifting.

Abstract: A transfer case system distributes torque between primary and secondary drive trains. The system comprises a planetary gear set having a sun gear, a ring gear, a planetary gear intermeshed with the sun gear and ring gear, and a planetary carrier rotatably connected with the planetary gear. The system also comprises a torque sink connected with the sun gear and a torque input shaft connected with the ring gear and the primary drive train. The torque sink applies a braking force to the rotation of the sun gear in response to instructions from a controller, causing the ring gear to output torque to a secondary drive train.

Abstract: A power transfer assembly is provided with a coplanar gear assembly. The coplanar gear assembly can be utilized in a differential, a multi-speed transmission, a four-wheel drive transfer case, and a fluid pump.

Abstract: An auxiliary transmission in series with a first automotive transmission adds extra gears through an underdrive feature, which may be manually controlled by an operator or automatically controlled by a computer or controller. The extra gears are useful in matching the output torque of the engine and the transmission to the load on the automobile or vehicle powered by the transmission, and thereby improves fuel economy and transportation performance. The transmission may be installed as factory equipment, or may be added later, such as an after-market or dealer-installed option.

Abstract: The invention related to a hydrodynamic-mechanical multi-speed compound transmission has at least four speeds. The transmission includes a transmission input shaft and a transmission output shaft as well as a hydrodynamic transmission part. The hydrodynamic and the mechanical transmission parts are connected in series when seen from the power flow direction. Mechanisms are provided for by-passing the hydrodynamic transmission part during power transmission. The hydrodynamic transmission part includes at least one hydrodynamic speed-torque converter. The mechanical transmission part includes a mechanical speed-torque converting device with at least two planetary gear sets. The mechanical transmission part is designed in such a way that transmission ratios in the individual gear steps cause gear step jumps of phi ≦1.45 between two successive gear steps of the individual speeds.

Abstract: A family of power transmissions, which are utilized in a powertrain, include three planetary gearsets and five torque-transmitting mechanisms. The torque-transmitting mechanisms are either five rotating type torque-transmitting mechanisms or four rotating type torque-transmitting mechanisms and one stationary type torque-transmitting mechanism. Each of the three planetary gearsets all include three members represented by a sun gear member, a ring gear member, and planet carrier assembly member. The planet carrier assembly member may be of either the single pinion or double pinion. In each of the family members, at least four of the planetary members are interconnected continuously with either another planetary member, the input shaft, the output shaft, or a stationary housing of the transmission. At least four of the planetary members are noncontinuously interconnected with another planetary member, the input shaft, the output shaft, or the stationary housing.

Abstract: A transfer for a four-wheel drive vehicle of simplified structure in which speed-reducing and center differential functions are implemented by a single planetary gear set includes an input shaft; a first output shaft disposed coaxially with respect to the input shaft; a ring gear which co-rotates with the input shaft; a first pinion meshed with the ring gear; a second pinion in mesh with the first pinion at all times; a carrier for axially supporting the first and second pinions; a sun gear which, by being slid, selectively meshes with the first pinion or the second pinion; a brake for locking the sun gear when the sun gear and the first pinion mesh (the low position of the transfer); a driving gear which meshes with the sun gear when the sun gear and the second pinion mesh (the high position of the transfer); a sleeve mounted on the first output shaft and shifted for engaging the driving gear with the first output shaft in the direction of rotation; a second output shaft disposed in parallel with the first o

Abstract: A transmission compounder assembly having a one-way clutch between an input shaft and an output shaft to establish a direct-ratio drive path therebetween. A planetary gearset can be selectively engaged to establish a compound-ratio drive path between the shafts. The planetary gearset includes a sun gear, a ring gear fixed to the output shaft, a carrier fixed to the input shaft, and a plurality of planet gears rotatably supported from the carrier and meshed with both the ring gear and the sun gear. A band brake is provided for selectively braking the sun gear. A controllable overrunning clutch is mounted between the carrier and the sun gear and can be selectively shifted between a locked mode and a released mode. The compounder assembly further includes an actuator for controlling actuation of the band brake and the overrunning clutch.

Abstract: A multi-speed transmission for electrical power tools with a rotatable tool has a machine housing, a working spindle supported in the housing for rotating the tool, an electric motor, a gear reducer shaft which is driven by the electric motor, a planetary transmission arranged between the working spindle and the gear reducer shaft, the planetary transmission including a sun gear, planetary gears and a planetary gear carrier, the planetary gear carrier being coupled with the gear reducer shaft, the sun gear being formed switchably so that it is coupled for joint rotation with the machine housing for a slower speed and with the working spindle for a faster speed.

Abstract: A transmission compounder assembly comprising an input shaft, an output shaft and a one-way clutch operable to establish a direct-ratio drive path between the shafts. A planetary gearset can be selectively engaged to establish a compound-ratio drive path between the shafts. The planetary gearset includes a sun gear, a ring gear fixed to the output shaft, a carrier fixed to the input shaft, and a plurality of planet gears rotatably supported from the carrier and meshed with both the ring gear and the sun gear. A band brake is provided for selectively braking the sun gear. A clutch pack is mounted between the carrier and the sun gear and can be selectively actuated to prevent relative rotation therebetween. The compounder assembly further includes a brake actuator for controlling actuation of the band brake and a clutch actuator for controlling actuation of the clutch pack.

Abstract: A planetary transmission has two planetary gear sets, one of which is a simple planetary gear set. The ring gear of the simple planetary gear set is continuously connected with a transmission output shaft. Six fluid-operated friction torque transmitting devices are operable in combinations of three to establish a reverse drive and five forward drive ratios in the two gear sets. The gear sets are continuously interconnected by at least one drive member and are selectively interconnected by one of the torque transmitting devices. Two of the three devices engaged for reverse and first are also engaged in neutral.

Abstract: A gear-reducing, torque-multiplying gear drive assembly includes a stationary outer case housing an internal rotary carrier having an output shaft fixed thereto which is journaled by the case for rotation of the carrier and shaft relative to the case. A pair of electric motors are mounted on the carrier and drive a pair of associated planet gears which are enmeshed with a fixed sun gear. Operating the motors rotates the planet gears causing the carrier and the output stub shafts fixed thereto to rotate about a common axis of the stub shafts.

Abstract: A transmission used as part of a drive unit to transmit power is coupled to a V6 engine drive shaft by a torque converter and includes an axially extending ring gear assembly, a sun gear positioned coaxially within part of the ring gear assembly and two planetary gear assemblies each spaced axially from the other and meshing with the sun gear and the ring gear assembly. The ring gear assembly is driven in rotation about its axis and an output drive shaft by the rotational forces of the motor output shaft and includes two different diameter annular ring gears which are each centered on and extend radially about the transmission axis. The annular ring gears have different diameters and radially inwardly extending teeth. The sun gear includes a portion axially aligned within each of the two ring gears. A clutch plate or pack, gearing or other band or pressure brake is provided to selectively permit or prevent the rotation of the sun gear about the transmission axis and relative to the output drive shaft.

Abstract: A drive train for transmitting torque produced by a load comprises a planetary gear arrangement mounted concentrically with respect to a tubular shaft. The planetary gear arrangement cooperates with a pair of driven gears which are also coaxial with the tubular shaft, the planetary gear arrangement and the pair of gears being located within an outer housing. The tubular shaft provides an unobstructed, large diameter passage through the drive train, the passage being available for the routing to a load connected to one of the driven gears of movable shafts, conduits or electrical conductors.

Abstract: Planetary reduction for drive axle, of the type comprising: an axle housing (60), which is attached to the chassis of vehicle and lodges an axle shaft (50) that holds an end central sun gear (70), which is meshed with a ring gear (90), which is internally toothed and coupled to the axle housing (60), through planetary pinions (80) mounted on respective shafts (81), which are attached to a planetary spider (100) coupled to a wheel mounting flange (110); and an optional disc brake assembly (130), which has at least one stationary disc (132) and one friction disc (133); an output shaft (101), which is attached to the planetary spider (100) and which supports the wheel mounting flange (110); a wheel bearing cage (120), which is coupled to the axle housing (60) and supports the output shaft (101), through a wheel bearing set (121);a brake housing (131), which is coupled to the axle housing (60) and which attaches thereto said stationary discs (132);removable fastening elements (140), which are provided through the

Abstract: A continuous automatic variable speed transmission comprising an input sun gear 14 or receiving rotational power, an input differential gear 38A meshed with the input sun gear 14, an output differential gear 42A and a reverse rotation differential gear 46A integrally formed with the input differential gear 38A, a transmission differential gear 54A meshed with the input differential gear 38A, a medium speed differential gear 58A integrally formed with the transmission differential gear 54A, locking pins 36A, 52A and carriers 32, 34 supporting each differential gear, an output sun gear 24 integrally formed with an output shaft 22 and meshed with the inside of the output differential gear 42A, a medium speed sun gear 28 integrally formed with a medium speed control shaft 26 and meshed with the inside of the medium speed differential gear 58A, a reverse rotation sun gear 18 integrally formed with a reverse rotation control shaft 16 and meshed with the inside of the reverse rotation differential gear 46A, a low sp

Abstract: A planetary gear unit made up of a number of inter-connected co-axial three element planetary gear trains (12, 13) each including a sun (15, 19) a planet carrier (17, 21) and an annulus (14, 18). One (12) of the planetary gear trains is a dominant train with a first element (14) connected to an input member (10) of the unit and a second element (17) connected to an output member (11) of the unit. The remaining train or trains (13) of the unit are connected to the third element (15) of the dominant train to vary, by the use of associated clutches (C1, C2, C3, C4) acting between elements of the trains and ground, the direction and speed of rotation of the third element (15), thus providing a number of overall gear ratios from the unit.

Abstract: The input gear of the secondary gear train is mounted on a hollow input shaft and the reaction element of a planetary gear set is connected with a multi-plate brake and one-way clutch, which are disposed on the opposite side of the input gear with respect to the planetary gear set, by way of a shaft which passes through the hollow input shaft. The multi-plate brake is disposed radially outward of the one-way clutch.The output gear of the gear train is supported by bearings which are disposed on either side thereof. The bearing on the inboard side of the final gear is arranged to have a diameter which is larger than the output gear and supported in a wall portion of the transmission case per se.

Abstract: Weight and complexity concerns in geared rotary actuators and stop mechanisms for aircraft or the like may be minimized in the structure including a housing (18) adapted to be fixed to another structure, a rotatable input shaft (14) journalled by the housing (18), an output shaft (22, 28) journalled by the housing and a coupling between the input shaft (14) and the output shaft (22, 28) including at least one rotatable gear (42). The system includes a mechanical sensor (66) for sensing when the gear (42) has rotated close to an overtravel position and a first stop element (82) is associated with the input shaft (14) to be rotatable therewith. A second stop element (80) is movable into interfering relation with the first stop element (82) to stop rotation thereof and is carried by a gear part (19). Also included is an actuator (60, 62, 68, 70, 72) responsive to the sensor (66) for moving the second stop element (80).

Abstract: An epicyclic gear mechanism having two forward speeds and one reverse speed, characterized by simplicity and symmetry in design along with a radial output, compact and adaptable to applications requiring close coupling with driving or driven equipment or as an internal drive, versatile as providing alternative or secondary inputs or outputs at either end of the drive shaft in addition to output at the ring gear. The sun gear is rotated by the drive shaft or is fixed, depending on actuation and deactuation of a first clutch and first brake, and the planet carrier is rotated by the drive shaft or is fixed, depending on actuation and deactuation of a second clutch and second brake. Rotation of the ring gear varies in accordance with actuation and deactuation of the pair of clutches and the pair of brakes, providing a neutral mode along with two forward modes and one reverse mode having varying output/input speed ratios which are especially suitable for certain marine and other applications.

Abstract: A spur gear transmission for a drive unit of an industrial truck having an integrated wet running disk brake. A first disk carrier is arranged on one of the spur gears. First braking disks are mounted on the disk carrier. A second disk carrier is fastened in the transmission housing, second braking disks being mounted on the second disk carrier, such that the first and the second braking disks are arranged alternately and cooperate. The spur gear having the first disk carrier is axially movable against the force of a spring by a pressure pin extending through the transmission housing and operable from outside, with the braking disks being pressed against one another between the spur gear and a bearing surface in the transmission housing. A two-arm lever is provided, one lever arm of which can be operated by the driver and the other lever arm of which lever rests on the pressure pin.

Abstract: A two speed engine accessory drive including a gear case 12 and an input shaft 26 rotatable about an axis that is concentric with the central gear case axis 54. The input shaft 26 carries a drive sun gear 38. A driven sun gear 78 is positioned adjacent to the drive sun gear and is attached to an accessory drive shaft 91 that is rotatable about an axis that is concentric with the central gear case axis 54. A compound planet gear 66 is supported by a planet gear carrier 52 that is rotatable about the central gear case axis 54. The compound planet gear 66 includes a rigid insert 70, a first plastic planet gear 76 secured to the insert and in mesh with the drive sun gear 38, and a second plastic planet gear 76 secured to the insert and in mesh with the driven sun gear 78. A brake band 98 is operable to allow or prevent rotation of the planet gear carrier 52.

Abstract: A speed changer for fishing reels, capable of carrying out a manual take-up speed changing operation easily and smoothly without damaging the surfaces of the teeth of the gears provided therein even when a take-up load is imparted on a spool, consisting of a driving gear-carrying driving shaft, a handle-carrying handle-turning tube mounted on the outer portion of the driving shaft via a one-way clutch so that the handle-turning tube can be turned unitarily with the driving shaft in the fishing line take-up direction, a pinion mounted on a spool-turning spool shaft, with which pinion the driving gear is meshed, planetary gears supported rotatably on shafts and provided in the inner end portion of the handle-turning tube, an internal gear mounted on and rotatable with the driving shaft, with which internal gear the outer portions of the planetary gears are meshed, a sun gear fitted rotatably around the driving shaft, with which sun gear the inner portions of the planetary gears are meshed, a change over member

Abstract: A thrust washer has a protrusion which is formed with a projecting pawl. The rotating member is formed with a through hole, into which the protrusion of the thrust washer is inserted, such that the pawl is projected out on the opposed surface remote from the thrust washer of the rotating member, whereby the upstanding surface of the pawl is used as a stop means. Thus, the thrust washer is positively secured to the rotating member.

Abstract: The invention relates to a gearbox arrangement for driving a first multi-bladed rotor and a second coaxial multi-bladed rotor in opposite directions.The gearbox assembly comprises a first epicyclic gear arrangement and a coaxial second epicyclic gear arrangement. The first epicyclic gear arrangement is driven by a first input shaft, and the second epicyclic gear has a static second input shaft. The first epicyclic gear arrangement is drivingly connected to the first multi-bladed rotor and the second epicyclic gear arrangement is drivingly connected to the second multi-bladed rotor. The first epicyclic gear arrangement is interconnected to the second epicyclic gear arrangement so that the first and second multi-bladed rotors are driven in opposite directions.

Abstract: An automatic transmission including: a torque converter; a torque converter housing; an oil pump; an overdrive gear mechanism; an overdrive case; an underdrive gear mechanism; a transmission case for the underdrive gear mechanism; an oil pan under the underdrive gear mechanism; and a hydraulic control device controlling a hydraulic pressure to be delivered to the overdrive and underdrive gear mechanisms. In this automatic transmission, the overdrive case is formed with a first passage connected to an inlet port of the oil pump, a second passage connected to a discharge port of the oil pump, a third passage connected to an inlet port of the torque converter, and a fourth passage connected to an outlet port of the torque converter, with the second, third and fourth passages being connected to the hydraulic control device.