Abstract:
Mounted on the slidable element is a transverse spindle which is guided in rectilinear translation. A driving gear pinion meshed with a fixed longitudinal rack is fixed on the spindle. The device comprises a toothed member which is pivotally mounted on the front end of the rack and has a set of teeth including a curved front portion and a rectilinear rear portion. A device is provided for constraining the pinion to remain meshed with the curved portion at the end of the closing travel.
Abstract:
The invention relates to a device for monitoring the closure of the opening points of a motor vehicle, in which each opening point is equipped with a closure contact which is connected to a central unit. It is characterized in that the central unit is connected to all the opening points by a single common line (8) with two conductors (31, 32), in that the central unit comprises at least one periodic-signal generator (28) connected to the said two conductors, in that each opening point comprises a passive receiver circuit tuned to the frequency of the periodic signal supplied by the said generator (28) of the central unit, the said passive circuit being connected in series with the closure contact of the said opening point, and in that the said device comprises, furthermore, indicia of a closure fault in response to the variations of the signal generated by the generator in response to the actuation of the corresponding closure contact.
Abstract:
This geared motor comprises an outlet shaft (2) of the motor (1), carrying two coaxial screws (3, 4) offset axially and of mutually opposed screw pitch, two gearwheels (5, 6) located on either side of the shaft and each interacting with a screw (3, 4), an axle (7, 8) fastened to each gearwheel and extended by a crankpin (9, 11) eccentric relative to the corresponding axle (7, 8) so as to be capable of executing rotations about this axle, an element (12) equipped with a toothing (13) and linked to the crankpins in such a way as, during the rotation of the crankpins, to be driven in a circular translational movement, the radius of which is equal to the eccentricity of the crankpins, and a member (16) equipped with an output shaft (18) connectable to the component to be driven and carrying a toothing (17) interacting with that of the element so as to bring about a rotation of the member (16) in a ratio determined by the difference in the numbers of teeth of the two toothings. This arrangement makes it possible to accommodate the geared motor in a very small space, while at the same time ensuring that it has sufficient resistance to very high torques.
Abstract:
A motor control devise including an auxiliary resistor in series with the motor, a relay, including a coil for activation thereof for shorting the resistor, voltage terminals for determining the current in the auxiliary resistor and the voltage in the supply line, a microprocessor programmed to calculate the sum of the resistance of the supply line and the internal motor resistance, a time delay in energizing the relay for shorting the resistor immediately after the calculation of the resistances, and wherein the microprocessor is programmed to calculate instantaneous values of speed and torque of the motor.
Abstract:
A motor-speed reducer includes a driving input shaft, an output shaft and a deformable coupling coupling the input shaft to the output shaft. The coupling includes a worm and a speed reducer driven by the worm. A sensor is also provided for detecting torque between the input shaft and the output shaft during operation of the device which causes deformation of the coupling. The sensor includes two electrically conductive tracks. One track is associated with an input side of the coupling and the other track is associated with an output side of the coupling. An electrical circuit is connected to the tracks and monitors movement of each track to detect a change in torque as a function of a change in the movement of one of the electrically conductive tracks relative to the other track.
Abstract:
The cyclic electromechanical program control comprises an electric motor (6), a gear train (7) driven by the motor and having an impulse gear (26) and an output gear (5) which is engaged with at least one driving rack (3, 4) for an element (1) having a programmable shifting cycle, a driven gear (9) cooperative with the gear train (7) for receiving from the gear train impulses controlling the cycle of the programmable element (1), an electrical circuit (12, 13, 17, 18) associated with the driven gear (9) and adapted to transmit to the motor (6) instructions corresponding to the nature of the impulses received by the driven gear (9). The control further comprises a mechanism for causing th impulse gear (26) to deliver impulses solely in predetermined useful zones of the cycle of said programmable element (1). The gear train (7) is a differential gear train comprising a driving gear (25) without gearing down of the output gear (5). The program control only delivers driving impulses in useful zones of the cycle and with a precision much higher than that of known program controls.
Abstract:
The actuating device comprises a mechanism for displacing the window glass in translation including a gear pinion (10) freely rotatively mounted on a driving shaft (4), the pinion (10) being connected to the driving shaft through an auto-lock mechanism (17), there being interposed between the auto-lock mechanism, on one hand, and the driving shaft and the pinion of the displacing mechanism, on the other hand, respectively a device (9, 15) for accelerating the effect of the release of the auto-lock mechanism under the action of the driving shaft, and a device (12, 16) for accelerating the effect of the locking of the auto-lock mechanism under the action of the pinion of the glass displacing mechanism. This actuating device is intended in particular for vehicle window glass raising devices.
Abstract:
The invention relates to a device for the centrallized control of the opening points of a motor vehicle, in which the opening points have electrical actuators, including two locking states, and comprising at least one electric motor, and some opening points have a mechanically controlled device with a lock key sending commands to a central control unit which also receives commands coming particularly from the ignition key and/or from a remote-control set and from an anti-attack button. The device according to the invention is characterized in that the central control unit is connected to each of the opening points by a single line (8) with three conductors (31, 32, 33) which will be used sometimes for power transfer and sometimes for information transfer, in that in each opening point the actuator is connected permanently between the three conductors of the said line (8), and in that the central control unit selectively applies to each of the said conductors (31, 32, 33) the voltages necessary for the execution of a sequence.
Abstract:
This device comprises a motor (1), the output shaft (2) of which carries two coaxial worms (5, 6), offset axially and with opposite pitches, two pairs of wheels, (7, 9, 8, 11) meshing with the worms, mutually in pairs, at the rate of two wheels (7, 8; 9, 11) per worm, which wheels are arranged on either side of the worms, an output shaft (12, 13, 14, 15) traversing each wheel (7, 8; 9, 11) freely and intended to control an associated element at one or other of its opposite ends, and on each shaft (12 . . . 15) and facing each wheel (7 . . . 11), a clutch (E1, E2, E3, E4) independent of the other clutches and adapted in order to be able to link the selected shaft in rotation to the corresponding wheel. This arrangement makes it possible to produce a compact control assembly distributing, from a single location, multiple functions from a lightweight divider box ensuring the switching of the functions, with a reduced overall size and a simplified single connection.
Abstract:
In this method, a number N is assigned to transmitted and receiving stations comprising synchronous clocks (2), the coded message being obtained by calculating a time Tie from the time elapsed since the initialization of the clock of the transmitting station, a code Ae1 from N and from Tie in accordance with a first relationship, a code Ae2 from Ae1 in accordance with a second relationship, and the coded message M from N, Tie and Ae2, in accordance with a third relationship. The validation operation is performed by calculating a time Tir1 from the time elapsed since the initialization of the clock of the receiving station, a code Ar1 from the received coded message M, from N and from Tir1, by using the third relationship, a code Ar2 from the n highest order bits of Ar1, n being the number of bits of Ae1, a code Ar3 from Ar2 in accordance with the second relationship, a time Tir2 from M, from N and from Ar3, by using the third relationship, and a code Ar4 from N and from Tir2 by using the first relationship, and by verifying that Ar2 is equal to Ar4 and that the absolute value of the difference Tir2-Tir1 is less than a specified threshold.