|| List of recent Planetary Gear-related patents
| Gearing control method for automatic gear mechanism|
Disclosed herein is a method for controlling gear shifting of an automatic transmission from an n gear stage to an n′ gear stage. The gear shifting is embodied by means of engaging and releasing friction elements.
| Hybrid vehicle with power-split and parallel hybrid transmission and method of controlling same|
A hybrid vehicle has a powertrain that includes a transmission with a planetary gear set that has a first, a second, and a third member. An engine is connected for unitary rotation with the first member.
| Planetary gear device for vehicle power transmission device|
A planetary gear device of vehicular power transmitting system includes a carrier, pinion gears, a sun gear, a ring gear, and a cylindrical output member disposed coaxially with the carrier and having the ring gear on inner surface, and a radially outer output gear on outer surface. The carrier is supported by a stationary support wall non-rotatably.
| Planetary pinion shaft|
A planetary drive including a planet carrier with two axially spaced supports that include aligned bores is provided. A planetary gear is located on a through hardened pinion shaft extending axially through the aligned bores.
| Planet wheel carrier for a planetary gear|
A planet wheel carrier comprises first and second end-sections (102, 103) for supporting shafts of planet wheels (113-114) of a planetary gear. The planet wheel carrier comprises a support structure (104) connected to the first and second end-sections and located between the first and second end-sections in the axial direction of the planet wheels and between the planet wheels in the circumferential direction of the planet wheel carrier.
| Planet wheel carrier for a planetary gear|
A planet wheel carrier comprises first and second end-sections for supporting shafts of planet wheels (113-114) of a planetary gear so that geometrical rotation axes of the planet wheels are pithed at substantially uniform intervals on a periphery of a circle. The planet wheel carrier comprises a support structure connected to outer rims of the first and second end-sections and located between the first and second end-sections in the axial direction and between the planet wheels in the circumferential direction.
| Drive apparatus for an electric automobile|
A drive apparatus for an electric automobile in which a planetary gear transmission 12 is assembled for which it is possible to lengthen the traveling distance per one electric charge, and thus improve the convenience of the electric automobile. A planetary gear transmission 12 comprises a first single-pinion planetary gear mechanism 16 and a second double-pinion planetary gear mechanism 17, and after changing the power from first and second electric motors 10, 11 by a desired gear ratio, transmits the power to a driven-side rotating shaft 15.
|Control system for a decanter centrifuge|
A torque sensing device capable of measuring the force exerted by a torque arm on a lever is positioned between the torque arm and the lever. The torque arm is connected to the pinion of a planetary gearbox for rotating the bowl and screw conveyer of a decanter centrifuge at different speeds.
|Multi-speed transmission having three planetary gear sets|
A transmission includes an input member, an output member, three planetary gear sets, a coupling member and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members.
A transmission gearing arrangement produces at least nine forward speed ratios and one reverse speed ratio by selective engagement of three shift elements in various combinations. One embodiment includes four simple planetary gear sets, three clutches, and three brakes.
A family of transmission gearing arrangements produces at least nine forward speed ratios and one reverse speed ratio by selective engagement of three shift elements in various combinations. Each disclosed transmission includes four planetary gear sets, three brakes, and either three or four clutches.
An infinitely variable transmission that utilizes a wobbler in driving engagement with a planetary gear arrangement. The planetary gear arrangement drives a sun gear that provides an output from the transmission.
|In-wheel motor drive assembly|
An in-wheel motor drive assembly includes a motor case defining a motor chamber and a reduction mechanism chamber provided on one side of and isolated from the motor chamber by a partition wall. An electric motor is mounted in the motor chamber.
A drywall screwdriver includes a housing, an element delimiting the depth of engagement, a drive unit, an outlet spindle, and a planetary gear that comprises at least one hollow wheel. The drywall screwdriver further comprises at least one support element that is different from a housing element and that at least partially surrounds the ring gear of the planetary gear..
|Spindle drive for the motorized adjustment of an adjusting element of a motor vehicle|
The invention concerns a spindle drive for the motorized adjustment of an adjusting element of a vehicle, comprising a drive motor with a motor shaft, a speed reduction gear mechanism, and a feed gear mechanism, the speed reduction gear mechanism having a planetary gear mechanism and the feed gear mechanism being designed as a spindle/spindle nut gear mechanism, the planetary gear mechanism having a rotatable sun gear and coaxially in relation thereto a rotatable planet-gear carrier and a fixed or fixable ring gear, and the planet-gear carrier carrying at least one rotatable planet gear, which is in axially parallel engagement with the sun gear on the one hand and the ring gear on the other hand, the drive motor, the speed reduction gear mechanism and the feed gear mechanism being accommodated one behind the other in a substantially elongate drive housing and aligned with a common longitudinal drive axis.. .
|Planetary gear system arrangement with auxiliary oil system|
In one exemplary embodiment, a gas turbine engine includes a fan, a speed reduction device driving the fan, and a lubrication system for lubricating components across a rotation gap. The lubrication system includes a lubricant input.
|Hybrid mechanism and hybrid mode thereof|
A hybrid mechanism is provided, including: an engine, a first motor, a second motor, a clutch, a hybrid unit, a differential, and a battery. The clutch, the second motor and the engine are sequentially coupled to one end of the hybrid unit, and the first motor and the battery are coupled to the other end of the hybrid mechanism.
|Seat belt retractor and seat belt assembly including same|
[solution] an annular internal gear member 24 is formed of a noise suppressing material having lower strength than a metal. A deformation restricting portion 22d of an annular flange shape is formed along an outer circumferential edge of a carrier 22.
|Transmission with dog clutch brake|
A transmission is provided having a housing, a plurality of planetary gear sets, a structural member, a sprocket member, a first dog clutch member, a second dog clutch member, and a biasing member. The structural member is secured to the housing and includes a plurality of splines and defines a cavity.
A family of transmission gearing arrangements produces up to nine forward and one reverse speed ratios by selective engagement of three shift elements in various combinations. Each disclosed transmission includes four planetary gear sets and six elements.
An automatic transmission includes an input shaft, first, second, third, and fourth planetary gear sets, a plurality of engagement mechanisms, and an output member. The input shaft is rotatably supported inside a transmission case to be rotated by a driving force received from a drive source.
|Power split transmission|
A power split transmission, in particular for a traction drive, having at least one drive shaft and at least one output shaft between which a mechanical first branch and a hydraulic or electrical second branch are provided that can be connected to one another at least in part by a planetary gear arrangement, wherein the second branch comprises a plurality of energy converters. The at least one drive shaft can be connected to a first energy converter and to a first connection element of the planetary gear arrangement, while the at least one output shaft can be connected to a second connection element of the planetary gear arrangement and the second and third energy converters can be connected to at least one or more further connection elements of the planetary gear arrangement and/or of the at least one output shaft..
|Automatic transmission with integrated engine starter, remote mounted pump and drive system|
An automatic transmission includes a plurality of planetary gear assemblies, an integrated starter, a remote mounted hydraulic pump and a common drive system. An input shaft of the automatic transmission is coupled to and drives a ring (spur) gear.
|Linear peristaltic pump|
Linear peristaltic pump for pumping a fluid through a flexible tube (13) comprises a rotatable central member (34) with a plurality of radially disposed planetary gears (51-53). An offset roller (61-63) is disposed on each of the planetary gears (51-53).
|Mechanical energy storage system|
A mechanical energy storage system and an electric or hybrid vehicle with an energy storage system of this type are provided. The energy storage system has a planetary gear.
|Compressor system and method for operating a compessor system|
A compressor system and a method for operating a compressor system is provided. The system includes an air compressor and a planetary gear train having an input shaft connected to a planetary carrier of the gear train and an output shaft connected the compressor and a sun gear of the gear train.
|Variable input synchronous output drivetrain for wind turbine|
A wind turbine drivetrain is disclosed. The wind turbine drivetrain includes a planetary gearbox.
An in-line jack includes a body, an extendable shaft, drive mechanics, and a motor. The body has first and second distal ends.
|Planetary gear pump|
A planetary gear pump comprising a central gear and a plurality of planet pairs provides a space efficient transducer between hydraulic and mechanical energy. When it is configured as a pump, a high flow rate is provided.
|Amusement park elevator drop ride system and associated methods|
A cable driven elevator system having an elevator platform with an integral motion system is provided using one or multiple actuators. Each actuator includes a support plate attached to the elevator platform, a planetary gearbox engaged with and driven by an electric servo motor, and a drive shaft driven by the servo motor and engaged with a one crank.
|Planetary gear unit|
A planetary gear unit, having at least one first set of first planetary wheels arranged at a radial distance to a central axis, which mesh with a first sun gear that is rotatable around the central axis. The planetary gear unit further includes at least one second set of second planetary wheels arranged at a radial distance to the central axis, where the second planetary wheels mesh with a second sun gear that is rotatable around the central axis..
|Axial bearing of pinion gears of a planetary gear set|
An axial mounting of the planetary gearwheels of a planetary gearset having a sun gear that meshes with at least one planetary gearwheel mounted on a planetary bolt that is supported on the planetary carrier. The at least one planetary gearwheel meshes with a ring gear.
|Ball type continuously variable transmission/infinitely variable transmission|
A variable transmission includes an input shaft, a planetary gear set drivingly engaged with a variator comprising, a variator carrier assembly, a first ring assembly, and a second ring assembly; and the output shaft, arranged with various combinations of brakes and clutches to produce transmissions with continuously variable or infinitely variable torque output ratios.. .
|Ball type cvt/ivt including planetary gear sets|
Disclosed herein are power transmissions having one or more operational modes, for example, a continuously variable transmission (cvt) mode, an infinitely variable transmission (ivt) mode, and an ivt/cvt mode, that can be selected for by engaging different clutches and brakes. Disclosed herein are power transmissions comprising a power input shaft, one or more planetary gear sets, a variator (such as a cvt), and one or more clutches and brakes.
|Hybrid vehicle driving device|
A hybrid vehicle driving device includes a first planetary gear mechanism, a second planetary gear mechanism, a clutch configured to connect and disconnect a carrier of the first planetary gear mechanism to and from a ring gear of the second planetary gear mechanism, and a brake configured to regulate a rotation of the ring gear of the second planetary gear mechanism by being engaged. The second planetary gear mechanism is of a double pinion type, a sun gear of the first planetary gear mechanism is connected to a first electric rotating machine, a carrier thereof is connected to an engine, and a ring gear thereof is connected to a driving wheel, respectively, and a sun gear of the second planetary gear mechanism is connected to a second electric rotating machine, and a carrier thereof is connected to the driving wheel, respectively..
|Hybrid vehicle driving apparatus|
A hybrid vehicle driving apparatus includes: a first planetary gear mechanism; a second planetary gear mechanism; a clutch that connects and disconnects a carrier of the first planetary gear mechanism to and from a carrier of the second planetary gear mechanism; and a brake that regulates the rotation of the carrier of the second planetary gear mechanism by engaging, in which a sun gear, the carrier, and a ring gear of the first planetary gear mechanism are respectively connected to a first rotating electric machine, an engine, and a driving wheel, and a sun gear and a ring gear of the second planetary gear mechanism are respectively connected to a second rotating electric machine and the driving wheel.. .
|Torque assist system and automated manual transmission utilizing the same|
The torque assist system of the present invention includes a torque assist shaft having a first terminating part connected to the input shaft, an outer shaft and an inner shaft rotating independently from the outer shaft; a planetary gear set mounted on the inner shaft exposed to a second terminating part of the torque assist shaft; a clutch being disposed adjacent to the planetary gear set and operated by an external force; and an input gear mounted on the exposed inner shaft of the torque assist shaft and connected to the planetary gear set by the clutch to transmit power to an output gear mounted on the output shaft of the vehicle transmission.. .
A family of transmission gearing arrangements produces up to nine forward and one reverse speed ratios by selective engagement of three couplers in various combinations. Each disclosed transmission includes four planetary gear sets and six couplers.
|Range shift system for transfer case|
Disclosed is a range shift mechanism in the form of a floating planetary gear assembly for a transfer case. The range shift mechanical according to the present invention can improve power efficiency and generate low noises by suppressing gear rotation in a high range mode of the range shift system..
|Rotation driving device|
A rotation driving device includes a motor provided in a housing, a planetary gear reducer connected to the motor coaxially with the motor, an output shaft connected to an end reduction member of the planetary gear reducer coaxially with the end reduction member, and a rotation detector located at the same position as the end reduction member in an axial direction of the planetary gear reducer and located at a different position from a center axis of the end reduction member in a radial direction of the planetary gear reducer, the rotation detector being capable of detecting a degree of rotation of the end reduction member. Accordingly, the rotation driving device can be made to be smaller and compact in the axial direction..
|Fan assembly having multiple centrifugal fans in mechanical connection with a planetary gear system|
The fan assembly having multiple centrifugal fans in mechanical connection with a planetary gear system is a novel improvement to the field of fans, and which includes at least two centrifugal fans that are in mechanical connection with a single drive source. A planetary gear system connects the centrifugal fans to the single drive source such that all centrifugal fans work in concert.
|Geared bolt system for securing a circular saw blade|
A tool-free blade change system includes a sun gear, an arbor bolt including a threaded portion configured to threadedly engage a threaded bore of a power shaft, and a plurality of pins in fixed relationship with the threaded portion, a plurality of planetary gears engaged with the sun gear and located axially outwardly of the sun gear, each of the plurality of planetary gears mounted on a respective one of the plurality of pins, and an outer ring gear engaged with each of the plurality of planetary gears, wherein the sun gear is rotatable with respect to the outer ring gear.. .
A vehicle includes a transmission between an engine and a drive wheel and includes a differential mechanism (planetary gear mechanism) between the engine and an engagement device (transmission). A controller (ecu) included in the vehicle calculates a variation rate in the whole rotation energy of the planetary gear mechanism when it is in the inertia phase of a shift.
|Multiple speed transmission with integrated low range|
A transmission gearing arrangement includes four simple planetary gear sets, three brakes, and four rotating clutches. The brakes and clutches may be engaged in combinations of three to establish at least ten forward transmission ratios and at least three reverse transmission ratios.
A racing transmission that is lightweight and simplistic. The racing transmission features a low gear, reverse gear, neutral and a direct drive gear.
|Limited slip differential|
A limited slip differential assembly includes a planetary gear assembly, a differential case, a differential gear assembly and a hydraulic clutch assembly. The differential case is coupled for rotation with a portion of the planetary gear assembly.
|Differential having two-piece case split through planetary carrier wall|
A differential gear mechanism constructed in accordance to one example of the present disclosure can include a planetary gear assembly having a plurality of planetary gears rotatably mounted on a corresponding plurality of planetary gear shafts. A first differential case portion can have a plurality of first planetary gear shaft mounting surfaces.
|Planetary gear train of automatic transmission for vehicles|
A planetary gear train of an automatic transmission may include: a first input shaft; a second parallel shaft; a compound planetary gear set on the second shaft, and including a first rotation element engageable with the first shaft through two paths respectively having an external gear, a second rotation element connected to an output gear so as to be operated as an output element, a third rotation element engageable with the first shaft through one path having an external gear and selectively fixed, and a fourth rotation element engageable with the first shaft through one path having an external gear and selectively fixed; four transfer gears forming the external gears; frictional elements including clutches selectively connecting the first, third, and fourth rotation elements to the first shaft and brakes selectively connecting the third and fourth rotation elements to a transmission housing.. .
|Coaxially arranged reduction gear assembly|
A reduction gear assembly integrates a stationary section having a stationary internal gear configuration, an output section having an output internal gear configuration, an input shaft and planetary carrier comprising an input shaft having a shaft rotational axis and a planetary gear cam having a planetary gear rotational axis, wherein the shaft axis and cam axis are offset. A planetary gear comprising a planet wheel first stage and a planet wheel second stage is rotationally assembled to the planetary gear cam.
|Method of reducing a rotational output rate from a coaxially arranged rotating input|
A method of rotating an output gear at a rotational rate that is slower than an input rotational rate. The input rotation moves a planetary gear in a circular motion about a central axis.
|Square baler having flywheel planetary drive|
A powered square baler is operable to be powered by a prime mover to form a bale by compressing loose material. The powered square baler broadly includes a chassis, a plunger assembly, a flywheel, and a planetary gear train.
|Positioning device and measuring device|
A positioning for positioning a measuring element (2) and a measuring device with such a positioning device have an object of providing a positioning device for positioning a measuring element or a measuring device with a measuring element and a positioning device that is a simplification compared to the prior art and that meets the requirements for positioning with respect to accuracy and reproducibility. The object is met in the positioning device in that three wheels are provided (3, 4, 5), which are designed as a ring gear (3), a sun and a planetary gear (5).
|Planetary gear alignment and indexing method and associated tool|
A method is disclosed for assembly of a planetary gear drive, wherein the gear drive includes a ring gear, a sun gear, and a plurality of planet gears engaged with the ring gear and sun gear. The method includes mounting the planet gears within a carrier, with the planet gears freely rotatable relative to the carrier.
|Torque vectoring device with planetary gear set for connection to balancing shaft|
A device for torque vectoring in a wheeled vehicle is presented. The device includes a differential mechanism arranged on an axle having a first drive shaft and a second drive shaft, an electrical power source connected to an electrical motor, the electrical motor being connectable to the axle for torque vectoring between the first drive shaft and the second drive shaft, and control means connected to the power source and configured to receive a plurality of variables representing the current vehicle state and to determine drive currents being dependent on the variables, wherein the drive currents are supplied to the electrical motor from the power source for introducing a torque increase to either one of the first or second drive shafts and a corresponding torque decrease to the other one of the first or second drive shafts..
|Gearwheel, in particular planet gear for a planetary gear set, and rotary vibration damping arrangement having a gearwheel of said type|
A gearwheel for a planetary gear train includes two working toothing regions arranged successively in direction of a gearwheel rotational axis (z). A first working toothing region is arranged at a first gearwheel part, and a second working toothing region is arranged at a second gearwheel part.
|Planetary gear train of automatic transmission for vehicle|
A planetary gear train of an automatic transmission may include: a first shaft receiving engine torque; a second parallel shaft; a first planetary gear set on the first shaft including a first element operated as a fixed element or an output element, a second element directly connected to the first shaft, and a third element; a compound planetary gear set formed by combining a second planetary gear set and a third planetary gear set including a fourth element engaging the first shaft and the third element through gears, a fifth element connected to an output gear, a sixth element engaging the first element through a gear, and a seventh element engaging the third element through a gear; three transfer gears forming the gears; and frictional elements selectively interconnecting the elements or selectively connecting the element to a transmission housing.. .
|Planetary gear train of automatic transmission for vehicle|
A planetary gear train of an automatic transmission for a vehicle may include: an input shaft, an output shaft disposed in parallel with the input shaft, a first planetary gear set disposed on the input shaft, a second planetary gear set disposed on the output shaft, a third planetary gear set disposed on the output shaft, three transfer gears forming an externally-meshed gears, and frictional elements selectively interconnecting rotation elements or selectively connecting the rotation elements to a transmission housing. The first planetary gear set includes a first ring gear, a first planet carrier, and a first sun gear.
|Planetary gear train of automatic transmission for vehicle|
A planetary gear train may include a first shaft receiving torque from an engine, a second shaft disposed in parallel with the first shaft, a first planetary gear set disposed on the first shaft including a first rotation element, a second rotation element and a third rotation element operated as an output element, and a second planetary gear set disposed on the second shaft including a fourth rotation element, a fifth rotation element, and a sixth rotation element. A planetary gear train may further include four transfer gears connecting rotation elements of the second planetary gear set with the first shaft and rotation elements of the first planetary gear set, and frictional elements connecting rotation elements with each other or with the first shaft and brakes connecting with the transmission housing..
A transmission is provided having an input member, an output member, at least 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.
|Power transmission system of hybrid electric vehicle|
A power transmission system may include: an input shaft receiving engine torque; a first planetary gear set disposed on the input shaft and including a first sun gear selectively connected to a transmission housing, a first ring gear directly connected to the input shaft, and a first planet carrier; a second planetary gear set disposed on the input shaft and including a second sun gear, a second ring gear selectively connected to the first ring gear and selectively connected to the transmission housing, and a second planet carrier directly connected to the first planet carrier and directly connected to an output gear; a first motor/generator directly connected to the first sun gear; and a second motor/generator directly connected to the second sun gear.. .
|Power transmission system of hybrid electric vehicle|
A power transmission system of a hybrid electric vehicle may include an input shaft receiving engine torque, a first planetary gear set disposed on the input shaft, and including a first sun gear selectively connected to a transmission housing, a first ring gear, and a first planet carrier directly connected to the input shaft, a second planetary gear set disposed on the input shaft, and including a second sun gear, a second ring gear directly connected to the first ring gear and directly connected to an output gear, and a second planet carrier selectively connected to the first planet carrier and selectively connected to the transmission housing, a first motor/generator directly connected to the first sun gear, and a second motor/generator directly connected to the second sun gear.. .
An aircraft engine having a fan or propeller stage mounted to a planetary gearing system through a planetary gearing output drive shaft is provided with a lubricant system having a seal with lubricant delivery chamber for receiving a lubricant and a sealing surface sealing against a rotatable shaft, the rotatable shaft has a hollow interior and an opening in registration with the delivery chamber. The lubricant system has a lubricant pump in fluidical communication with and downstream of the opening..