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Class 475/149 - ELECTRIC OR MAGNETIC DRIVE OR CONTROL


Subclass of Class 475 - Planetary gear transmission systems or components
Definition: Subject matter wherein (1) the planetary transmission is
No. of patents: 237
Last issue date: 04/03/2012


1            
NumberTitleIssue Date
8147368Seat adjustment device for a vehicle seat
A seat adjustment device for a vehicle seat includes a driving motor that is in engagement with a driving part of a self-locking free wheel. An output part of the free wheel is connected to a gearing. To obtain a compact structure, the driving motor, the free wheel ...
04/03/2012
8142321Control drive with electric motor and planetary gear mechanism
A control drive, consisting of an electric motor and a planetary gear mechanism flush with the electric motor on the same axis of symmetry, comprising a ring gear, a planet carrier and three planet gears mounted on the planet carrier, the planet gears each having a ...
03/27/2012
8137229Modular transmission assembly and a method of assembly
A modular transmission assembly includes a transmission housing that defines a hollow interior. The transmission housing extends along a central axis between a front end and a rear end. A rear motor module is disposed in, and is operatively connected to, the transmi...
03/20/2012
8137230Reduction gear
A reduction gear having a planetary gear set for reducing the output rotation speed of a motor, a counter gear set for reducing the output rotation speed of the planetary gear set, and a planetary gear set for reducing the output rotation speed of the counter gear s...
03/20/2012
8007389Heavy object turning apparatus
A technique of a heavy object turning apparatus that is compact, is enabled to reduce the distance between the center of gravity of a heavy object and a pivot positioned on an axis, and is configured so that a turning arm and a drive unit has a length in the directi...
08/30/2011
7980982Telescopic actuator
A ring gear of a planetary reduction gear is screwed into an inner peripheral surface of a first housing through an opening thereof, while the thrust-receiving flange of a screw feed mechanism is held by the locknut screwed into an inner peripheral surface of a seco...
07/19/2011
7846054Compact drive, spiroid gear unit, and method for manufacturing a drive unit
In compact drive, spiroid gear unit, and method for manufacturing a drive unit that includes at least an electric motor, a brake, a gear unit, and a frequency converter, the output shaft of the gear unit and the rotor shaft are positioned in parallel to each other, ...
12/07/2010
7828685Electromotive drives
A transmission having a plurality of tilting balls and opposing input and output discs provides an infinite number of speed combinations over its transmission ratio range. The transmission provides multiple powerpaths and can be combined with electrical components t...
11/09/2010
7815535Compact axial flux motor drive
A drive (A) for imparting rotation about an axis (X) includes an axial flux motor (4) having a stator (38) and a rotor (44), an output drive element (8), an epicyclic gear system (6) located between the rotor of the axial flux moto...
10/19/2010
7727101Electromotive drives
A transmission having a plurality of tilting balls and opposing input and output discs provides an infinite number of speed combinations over its transmission ratio range. The transmission provides multiple powerpaths and can be combined with electrical components t...
06/01/2010
7686725Reduction gear
A reduction gear includes a reduction mechanism, which includes: an external gear eccentrically rotatable about an input shaft; an internal gear internally meshing with the external gear and having a small number of difference between the teeth of the internal gear ...
03/30/2010
7648437Multi-mode electrically variable transmissions with 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 ...
01/19/2010
7632203Electromotive drives
A transmission having a plurality of tilting balls and opposing input and output discs provides an infinite number of speed combinations over its transmission ratio range. The transmission provides multiple powerpaths and can be combined with electrical components t...
12/15/2009
7582036Actuating device
An actuating device including a housing that is closed by a cover in such a way that both an electric motor and a gearbox unit are completely enclosed. An internal gear segment, arranged on an output shaft in a rotationally fixed manner, is positioned on a borehole ...
09/01/2009
7544142Adjuster for a vehicle seat
In an adjuster (80) for a vehicle seat, in particular for a motor vehicle seat, having at least two components (81, 82) forming a load-bearing gear, which are movable relative to each other by way of a drive unit (10), wherein the drive unit (
06/09/2009
7494437Impact power tool
An impact power tool includes a motor, a first planetary gear set, a clutch having a sun gear, a second planetary gear set, a transmission shaft, an intermediate shaft, an impact seat and an output shaft. When the clutch moves to a first position, the transmission s...
02/24/2009
7452298Compact drive
A compact drive includes at least an electric motor, a transmission, and a frequency converter, the output shaft of the transmission and the rotor shaft being parallel to each other, and the shaft-center distance at least being determined by a spur-gear stage of the...
11/18/2008
7441613Electric drive system with differential steering
An electric drive system is provided. The electric drive system includes a first output member, a second output member, and an electric motor that includes an output shaft having an axis of rotation. The output shaft is operatively engaged with the first and second ...
10/28/2008
7416501Single range electrically variable transmission with lockup clutch and method of operation
A single range, electrically variable transmission (EVT) is provided with a lockup clutch that reduces motor power requirements. When applied, the lockup clutch allows engine torque to be transmitted directly to the output without the necessity of a motor/generator ...
08/26/2008
7399248Moving coil electronic locking differential
A differential mechanism for transmitting power from an input to an output includes a case containing a side gear, a locking member rotatably secured to the case and axially displaceable relative to the case. The locking member alternately engages the side gear to l...
07/15/2008
7396307Motor-incorporated hypocycloid-type speed reducer
A motor-incorporated hypocycloid-type speed reducer includes: an eccentric portion configured to rotate in response to rotation of a rotor secured to a casing; an internal ring gear fixed to the casing and including a first internal gear coaxial with the rotor; an o...
07/08/2008
7384357Speed reduction gear train with planetary differential for electric motor axle drive
An electric drive unit for a vehicle includes an electric motor, two output shafts, a first speed reduction planetary gearset driven by the motor, a second speed reduction gearset driven by an output of the first gearset, and a compound planetary differential gearse...
06/10/2008
7381145Apparatus for opening and closing cover
An activating device for a cover has: a shaft unit having a rotary shaft; an arm unit which is coupled to the cover and the rotary shaft; and an actuator which drives the rotary shaft. The actuator has: a motor having a first output portion; a first reducer having a...
06/03/2008
7364524Driveline coupling for electric module
A module with an axle assembly, which has a housing, a differential, an input shaft, a pair of shafts and a pair of wheel hubs, and an auxiliary drive unit that includes an electric motor and an overrunning clutch. The differential and the input shaft are disposed i...
04/29/2008
7354372Actuator for shift-by-wire automatic transmission system
An electric actuator for an automatic transmission includes an adapter to transmit rotary motion between the adapter and the automatic transmission. An electric motor has an output shaft operably connected to the adapter by a gear set which includes a ring gear. The...
04/08/2008
7354371Motor-incorporated hypocycloid-type speed reducer
A motor-incorporated hypocycloid-type speed reducer includes: a motor housed in a case; a first larger internal gear; a second smaller internal gear coaxial with a motor shaft; an output shaft coaxial with the motor shaft, the output shaft being provided with the se...
04/08/2008
7353896Wheel provided with driving means
A traction assembly includes a wheel comprising a wheel shaft and traction means which, when in operation, exert torque on the wheel shaft, wherein the traction ratio, being the arm of the torque divided by the size of the radius of the wheel, is larger than 0.57.
04/08/2008
7354370Drive system for regulating devices in motor vehicles
A drive system for regulating devices in motor vehicles comprising a housing containing a drive element of the regulating device, a disk armature motor provided with an armature disk, and a planet wheel transmission. The planet wheel transmission comprises an intern...
04/08/2008
7350605In-wheel motor capable of efficiently cooling electric motor and reduction gear
An in-wheel motor includes a wheel disc, a wheel hub, a case, a motor, a planetary gear and a shaft. The wheel disc is connected to the wheel hub. The planetary gear is connected to the motor's rotor. The case includes subcases and a diaphragm. One subcase is arrang...
04/01/2008
7347797Electro-mechanical transmission with six speed ratios and a method of redesigning a transmission
An electro-mechanical 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 o...
03/25/2008
7347295Tire wheel structure
A tire wheel structure that avoids the adverse effect of the increase in the unsprung mass associated with the presence of a driving motor at the time of a road surface input to a tire wheel is provided. In the tire wheel structure, the driving motor is disposed nea...
03/25/2008
7341129Double-sided door braking equipment for a operator
This invention relates to a double-sided equipment for a braking system, comprising a first braking pad, a second braking pad, a braking component, a fixing spring component, a compression spring, and an electromagnet, wherein the braking component located between t...
03/11/2008
7338401Two mode electrically variable transmission with equal forward and reverse input-split modal and fixed ratio performance
An electrically variable transmission includes a power source, three differential gear sets, first and second motor/generators each connected to at least one of the gear sets, and torque-transmitting mechanisms. An input member transfers power from the power source ...
03/04/2008
7326143Rotary actuator
A radial inner portion of a rotor core, where a rotor core and a rotor shaft are connected, has an electromagnetically excessive capacity. A recess is provided at the radial inner portion of the rotor core. The recess is a cylindrical bore retracting in the axial di...
02/05/2008
7316627Integrated two-speed motor
A vehicle drive assembly includes an integrated two-speed motor that can selectively drive an output at a high operating speed or a low operating speed. The two-speed motor includes a stator mounted to a non-rotating outer housing, and a rotor that is mounted for ro...
01/08/2008
7306534Electrically variable transmission having three planetary gear sets, four fixed interconnections and clutched input
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 ...
12/11/2007
7294081Drive unit for a vehicle seat
In a drive unit (10) for vehicle seat, in particular for a motor vehicle seat, having at least one motor (12) and at least one gear stage (14) provided on the output side of the motor (12), the gear stage (14) is designed as a swit...
11/13/2007
7294080Rotational drive device and processing device using the same
A rotational drive device includes a drive motor and a drive transmission mechanism that are coupled together via an input coupling. The input coupling includes a coupling body that is coupled and fixed to an output shaft of the drive motor. A vibration damper that ...
11/13/2007
7276009Servo drive
The invention relates to a servo drive comprising an electromechanical energy converter, which has a rotatably mounted disc rotor for generating a torque and a stepping up mechanism that is connected downstream of the disc rotor, for coupling the disc rotor to an ou...
10/02/2007
7261660Electrically variable transmission arrangement with transfer gear between gear sets and clutches
An electrically variable transmission is provided including an input member to receive power from an engine about a primary axis; an output member connected to a transfer member for transmitting power to a secondary axis; first and second motor/generators; and first...
08/28/2007
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