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Class 74/365 - Electrically operated


Subclass of Class 74 - Machine element or mechanism
Definition: Transmissions, where the clutches or keys are shifted by
No. of patents: 32
Last issue date: 04/01/2008


NumberTitleIssue Date
7350435Motor, especially a gear motor or a selector motor of a transmission actuating system, and method for detecting the moving direction of a motor
The invention relates to a method for determining the moving direction of a motor, especially an electric motor of a transmission actuating system for gear selection and/or shifting, whereby at least one signal of the motor is detected. The inventive method is chara...
04/01/2008
7140267Multi-speed dual clutch transmission
A multi-speed, dual clutch transmission includes an input shaft, an output shaft, and first and second countershafts. The first and second countershafts are axially displaced from the input shaft, the output shaft and from one another. Four intermeshing gear pairs, ...
11/28/2006
6946748Inertia wheel coupled with a leverage transmission
An apparatus is provided which includes an inertia wheel rigidly attached to a center axle, such that the wheel and axle adapted to unitarily rotate about a center axis. An axle support is adapted to rotatably support the center axle such that the inertia wheel and ...
09/20/2005
6230577Electric shift control assembly
Shift control assembly for a power transmission device includes an electric drive motor and gear train having an output which is coupled to and bi-directionally rotates a shift rail. The shift rail includes a pair of spaced-apart cam followers. Freely rot...
05/15/2001
5765671Electric power unit and power transmitting unit for electric vehicles
An electric power apparatus and a power transmitting apparatus of an electric vehicle are each constructed as a unit structure to improve the overall range and reliability of the electric vehicle. In the electric vehicle including, as a power system, a ba...
06/16/1998
5466996Electromechanical remote-control device
The remote-control device features a servomechanism that transmits the movements of a first control cable or tie rod, which is connected to handgrip or control pedal, to a second cable or tie rod which is connected to an application. The servomechanism fe...
11/14/1995
5205179Speed changing device
A speed changing device for a gear box, particularly for a toothed change speed gear of a motor vehicle in which a gear wheel, freely rotatable on a driven shaft can be coupled with the driven shaft by means of an axially displaceable claw ring and a toot...
04/27/1993
4930366Electrical transmission control mechanism
An electrical transmission control mechanism includes first and second control members which are individually limitedly rotatable to respectively select the directional and neutral modes or the speed ratio modes of a transmission. First and second electri...
06/05/1990
4901600Manual control for extended range splitter type compound transmission
A control for an extended range splitter type compound transmission (10) comprising a main transmission section (12) connected in series with a splitter type auxiliary transmission section (14) connected in series with an extended range section (15) is pr...
02/20/1990
4899607Electrically controlled pressurized fluid actuated X-Y shifting mechanism
An electrically controlled, fluidly actuated X-Y type shifting mechanism (30) for cooperation with a mechanical change gear transmission shift bar housing assembly (10) normally controlled by a manual shift lever is provided. The mechanism (30) includes a...
02/13/1990
4886151Gearshifting device for a manually operated transmission for motor vehicles
In a gear shifting device for the manual transmission of a motor vehicle with a gearshfit lever, with which the individual gear steps can be engaged over a gearshift rod, the gear shifting motion of the gearshift lever is transferred to the gearshift rod ...
12/12/1989
4873881Electrically actuated x-y shifting mechanism
An electrically actuated shift mechanism (100) is provided that is mountable upon a manual mechanical change gear transmission and operable to move a shift finger (20) in an (X--X) direction into registration with a selected shift rail and then move the s...
10/17/1989
4817468Electric shift apparatus for manual transmission
An electric shift apparatus for controlling a motor vehicle manual transmission. The apparatus includes a power module adapted to be bolted to the housing of the transmission, a control module adapted to be positioned in the passenger compartment of the v...
04/04/1989
4722237Fluid actuated shift bar housing assembly having a centering cylinder therein
A pressurized fluid actuated shift bar housing assembly (12) for a change gear transmission (10) is provided having a plurality of shift bars (54, 56, 58), each shift bar having associated therewith a first (108) and a second (110) selectively pressurized...
02/02/1988
4621328Apparatus for controlling a speed change gear
In an apparatus for operating the change lever of the speed change gear on the basis of the data concerning the passage for a change lever, the apparatus comprises a memory for storing the data, and a computer for obtaining detection signals corresponding...
11/04/1986
4583171Transmission control device for vehicle
In an automatic transmission control device, an electric selector includes a circular common switch, a P range switch, a R range switch, a N range switch and a D range switch. A range shifting is instructed by the electric selector. When the common switch...
04/15/1986
4570765Gearshift system for an automobile
A gearshift system for an automobile with an electromagnetic powder clutch and a transmission having four forward-gear sets. The system comprises a first synchronizing device for selectively engaging a second speed gear and a fourth speed gear with an out...
02/18/1986
4570502Gearshift lever arrangement to control the speed of shifting gears in power-assisted transmission
A transmission gearshifting arrangement in which the gearshift lever is provided with a normal shift position and a fast shift position, the latter resulting in relative motion between the gearshift lever and a cam plate. This relative motion produces clo...
02/18/1986
4567969Gearshift system for an automobile
A gearshift system for an automobile with an electromagnetic powder clutch and a transmission having four forward-gear sets. The system comprises a first synchronizing device for selectively engaging a second speed gear and a fourth speed gear with an out...
02/04/1986
4477072Bimodal exercise device
Apparatus that simulates the exercise obtained in either of two modes of bicycling, e.g. sit-down, normal pedalling; and stand-up, hill climbing pedalling. Two different systems are disclosed, both yielding the desired bimodal choice of exercise. One syst...
10/16/1984
4455885Rotation reversing switch for motor vehicle gear units
A gear selector for a motor vehicle has a gear shift lever which is rotatable about its longitudinal axis to activate micro switches that select the desired gear ratio and is rotatable in the plane of its longitudinal axis about a pivot mounted to the ste...
06/26/1984
4449416Transmission control system
A four speed, constant mesh transmission includes an input and an output shaft with four pairs of driver and driven gears respectively spaced on the two shafts. A pair of gear couplings are slidably disposed on the output shaft and splined for rotation th...
05/22/1984
4444072Shift mechanism with a neutral stop control for a two-speed transmission
A shift mechanism for a two-speed countershaft type transmission is operable to move the shift rail in response to a rotary input drive motor. The shift mechanism includes a control mechanism which ensures that the rotation of the drive motor will stop wh...
04/24/1984
4304155Power shift transmissions
A transmission comprising a torque convertor and a power shift gear box having rotatable input and output shafts, multi-ratio drive means to produce different speeds of rotation of the output shaft relative to the input shaft, said drive means including g...
12/08/1981
4269079Arrangement for preventing incorrect shifting in a vehicle gearbox
Arrangement for preventing incorrect shifting in a gearbox having a base portion and a two-speed range portion has a gear selector mechanism coupled to a shift unit and comprising a first blocking system coordinated with the shift unit of the range portio...
05/26/1981
4218938Control system for a differential gear lock mechanism
A control system for a differential gear lock mechanism including a power transmission having at least two forward drives and a backward drive and a manually operated speed change lever associated with said power transmission. The control system comprises...
08/26/1980
4175448Electromechanical switching system
An electromechanical switching system which includes a multi-stage gearbox which has a plurality of manually selectable gear ratios corresponding to a plurality of positions of components which are movable between these positions, apparatus for automatica...
11/27/1979
4164876Downshift inhibitor circuit
In a transmission control system for a multiple speed ratio powershift transmission having a plurality of fluid pressure operated clutches adapted to establish torque ratio changes and also including an electronic speed sensing system and downshift valve ...
08/21/1979
4157667Variable ratio drive for gearing rotating parts to one another utilizable for cycles, motorcycles, motor vehicles and machines in general
Disclosed herein is a new variable ratio drive which can be utilized for cycles, scooters, motorcycles, motor vehicles and any type of machine in general on which it is necessary to transmit motion with a multiplicative and/or a reducing ratio, with or wi...
06/12/1979
4150416Control circuit for a vehicle transmission system
A control circuit for a vehicle transmission system having a multi-ratio gearbox the individual ratios of which are obtained by energizing one of a plurality of solenoids by means of a selector switch. The control circuit is connected to a source of suppl...
04/17/1979
4073198Apparatus for changing the speed ratio between first and second displaceable members
In a device such as a spectrophotometer with an associated chart recorder in which the speed ratio between a first displaceable member and a second displaceable member may be selectively changed within a predetermined range of speed ratios, in a first emb...
02/14/1978
3983405Shift control system for multi-stage transmission
A shift control system is disclosed for use with a multi-stage transmission adapted to be disposed in a plurality of states in which various serial combinations of gears are disposed between an input and an output shaft. Two position solenoid valves are p...
09/28/1976
 
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