Patents Assigned to Regie Nationale des Usines Renault
  • Patent number: 4624179
    Abstract: An automatic control device for tying large diameter cylindrical bales produced by a hay baler. A tie guiding arm has an end which can be driven back and forth over the entire width of the bale by an electric motor. A microprocessor receives inputs indicating the driving speed of the baler, the diameter of the bale and the desired number of turns of the tie. The motor driving the guiding arm is discontinuously driven by the microprocessor so that the arm is held in a stationary position for a predetermined length of time at a predetermined number of stops. The microprocessor may also operate in a learning mode where the operator sets the number of stops and the length of time.
    Type: Grant
    Filed: February 23, 1984
    Date of Patent: November 25, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventors: Drutel Yves, Joyez Gerard
  • Patent number: 4610181
    Abstract: A power transmission device for starting in forward or reverse, particularly for a motor vehicle having a heat engine, characterized in that it comprises a simple three-pinion planetary gear train associated with a clutch and brake to give reduced energy dissipation during starting in reverse.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: September 9, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventors: Daniel Houley, Patrice Baudoin
  • Patent number: 4599917
    Abstract: Automatic transmission with stepped ratios for vehicle, characterized in that it comprises a system inhibiting untimely changes to the higher ratio, which system is arranged so that, on the one hand it generates a negative acceleration curve (3) located mainly below the up shift (1) and down shift (2) curves and an increasing throttle opening curve (4) located slightly above the negative acceleration curve and, on the other hand, it only enables the shift up to the higher ratio if the value of the opening (.alpha.c) settles down, i.e. stops varying for a minimum time and if the corresponding configuration point in the plane of the vehicle speeds and throttle openings lies either between the up shift curve (1) and the negative acceleration curve (3) if the opening varies in the decreasing direction, or between the increasing opening curve (4) and the up shift curve (1) if the opening varies in the increasing direction.
    Type: Grant
    Filed: May 2, 1984
    Date of Patent: July 15, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventors: Francois Leorat, Gerard Pannier
  • Patent number: 4597598
    Abstract: A device for electrical opening and closing of a motor lid, such as a trunk lid, equipped with a lock of the cocking type includes a case in which a latch and a locking lever are mounted to pivot. The locking of the lock is done mechanically during the closing of the lid and is extended by a complete electrical closing of the lid as a result of a gearmotor which assures the axial sliding of the case inside a sleeve. The partial electrical opening is obtained by rotation in a reverse direction of the gearmotor, which causes the axial exiting of the case outside of the sleeve together with the automatic unlocking of the cocking lock.
    Type: Grant
    Filed: November 26, 1984
    Date of Patent: July 1, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventor: Jacques Bascou
  • Patent number: 4596401
    Abstract: Rear independent wheel suspension system for a motor vehicle of the drawn arm type, having a V-shaped housing (12) joining corresponding ends of the wheel arms (1, 2). The other ends of the wheel arms (1, 2) are joined to the stub axels. Two torsion bars (8, 11) are housed in the V-shaped housing (12). The torsion bars (8, 11) are joined in their middle by a shackle (10). The free ends of the torsion bars (8, 11) are joined to the body of the motor vehicle by elastic joints (7) and to the wheel arms (1, 2), respectively. The tip of the V-shaped housing (12) is situated approximately in the plane containing the wheel arms (1, 2), and the V-shaped housing (12) is oriented so that the plane containing the long axes (24) of the central ellipsis of inertia (20) of its various cross-sections meets the ground (26) along a line (25) passing at or near the point of contact of the rear wheels ( 3, 4) and the ground (26).
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: June 24, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventor: Michel Jullien
  • Patent number: 4594893
    Abstract: The capacitor probe is made up of two parts, both of which are in fluid communication with the interior of the tank or pipe the liquid level of which is to be measured. One part (7) of the probe is located at the bottom of the probe and acts as a reference capacitor. The other part (4) of the probe extends upwardly to the maximum liquid level to be measured. The part (4) includes two identical measuring capacitors, one of which is connected to the reference capacitor.
    Type: Grant
    Filed: August 1, 1984
    Date of Patent: June 17, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventors: Claude Lombard, Michel Warenghem
  • Patent number: 4593604
    Abstract: Driving device of a rotating cylinder block (8) of a pump or hydraulic motor whose axis is inclined along an angle that is fixed or that can be adjusted in relation to the axis of rotation XX' of the drive shaft (1) and in which the transmission of the rotation torque from the drive shaft (1) to the cylinder block (8) (pump) and from the cylinder block (8) to the drive shaft (1) (motor) is performed by pistons (5) mounted by connecting ball joints (6) to a pulse plate (4) fixed in rotation with the drive shaft (1). The face (8a) of the cylinder block (8) turned toward the pulse plate (4) carries pairs of diametrically opposed projections (10) located at the entrance of the bores (7) of the cylinder block in which the pistons (5) move, which projections exhibit a concave surface (11) in contact with a surface of the ball joints (6) for connecting the pistons with the pulse plate (4). Applications is to motors and pumps having rotating cylinder blocks.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: June 10, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventor: Henri Poletti
  • Patent number: 4593666
    Abstract: An adaptive process controlling the injection of an engine. The injection time is continuously determined by a standard control as a function of the intake pressure or air flow of the intake. From a straight control line defined by its slope and its beginning ordinate, readjustments are periodically made, by successive adaptive cycles of the values of the slope and the beginning ordinate of the straight control line as a function of the possible richness difference found by an exhaust gas analysis probe.
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: June 10, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventors: Remi Lefevre, Jean-Pierre Lagrue
  • Patent number: 4589393
    Abstract: A safety device for constant-pressure injection valve of an internal combustion engine. This device blocks the main supply line of the valve permanently and definitely in case the maximum admissible amount of injected fuel is exceeded or the control frequency for a given injected amount, less than the maximum admissible amount, is exceeded. The device is particularly applicable to diesel injection of the pressure-time type.
    Type: Grant
    Filed: January 16, 1985
    Date of Patent: May 20, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventors: Jean-Pierre Jourde, Marc Miettaux
  • Patent number: 4588058
    Abstract: Device for damping the vibrations of a flexible clutch in wet conditions, notably for a torque converter.Device for damping the vibrations of a flexible clutch characterized in that the friction linings (9, 10) are adhered directly onto an annular zone of the internal coupling member (4), in that one of them (9) bears directly against the inside face (11) of the input member (1), while the other (10) bears on the indexed washer (12), and finally in that the plate (14) used for indexation engagement of the indexed washer (12) and as bearing surface for the flexible washer (15) is fixed to the input member (1) by passing through suitable holes in the internal coupling member (4).
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: May 13, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventor: Ali Aliouate
  • Patent number: 4576617
    Abstract: Apparatus and process for regeneration of clogged solid particle filters, particularly for diesel engines. There is periodically injected upstream from the clogged filter an organic liquid such as C.sub.x H.sub.y O.sub.z, of the ethyl or methyl alcohol type, having a low vaporization temperature, if necessary with water added. The organic liquid, after having been preheated and cracked to give rise to a very flammable mixture consisting essentially of hydrogen and carbon monoxide, is introduced in the path of the incident exhaust gases. The regeneration apparatus comprises two prechambers, each of which contains a glow plug. The burning of the flammable mixture regenerates the clogged filter.
    Type: Grant
    Filed: June 7, 1984
    Date of Patent: March 18, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventor: Gerard Renevot
  • Patent number: 4576544
    Abstract: A swivelling handle includes three reduction gear assemblies, each assuring the control of movement about the three axes of rotation. Each reduction gear assembly has a first reduction stage and a second reduction stage with coaxial drive. This arrangement makes possible great compactness. The third motor can be placed transversally, essentially in the axis of the second reduction unit. Thus a swivelling handle is obtained with three axes of rotation, with full electrical controls, in which the movements of rotation are created by three independent electric motors corresponding to each of the three axes of rotation. The unit is especially compact and adaptable to any type of industrial robot.
    Type: Grant
    Filed: April 19, 1985
    Date of Patent: March 18, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventors: Jean-Robert Passemard, Gaston Keledjian
  • Patent number: 4574525
    Abstract: A device for operating a swiveling or mobile body element intended particularly to seal an access opening to a control or observation post by a cover that can be moved angularly around a pivot pin fastened to the body by means of an operating and locking handle. The operating handle includes a gripping element and a control element. A hinge and connecting pin are provided between these elements and an interlocking mechanism between the control element and the pivot pin.
    Type: Grant
    Filed: April 5, 1984
    Date of Patent: March 11, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventors: Xavier Le Borgne, Marc Limonne
  • Patent number: 4574285
    Abstract: This invention has as its object an infrared emitter. The case of a remote control device has a cover (14) doubly hinged around an axis (X--X) around which it can swivel to carry out the push button function that makes possible the activation of an infrared emitter in the case. The case is also hinged around a movable second axis of articulation (Y--Y) around which it is made to rotate when it is desired to replace the direct current power source (18) which is attached to the cover (14). The locking and unlocking means for the opening of the case by swivelling of the cover (14) around the second axis of articulation (Y--Y) consists of the hinge pin (50) of the hinge (42) that defines the first axis of articulation (X--X) of the cover.
    Type: Grant
    Filed: February 17, 1984
    Date of Patent: March 4, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventor: Jacques Bascou
  • Patent number: 4573126
    Abstract: Process and device for measuring the state of charge of an electrochemical generator such as a lead-acid battery, while operating. The device includes means for measuring the voltage of the generator means for storing the no-load voltage (V=E(to)) of the generator during its initial connection, then the last value of the computed electromotive force (V, V.sub.M), means for computing the value of the difference .DELTA.V between the measured voltage (Vb) of the generator and the last value of the computed electromotive force (V, V.sub.M), means for determining the sign of said difference .DELTA.V, means for measuring the elapsed time (.delta.) between two successive measurements of the voltage of the generator, means for computing the variation of electromotive force .DELTA.E=f(.DELTA.V).multidot..delta. of the generator means for computing the value of the electromotive force from the last computed value and of said variation .DELTA.E, and means for displaying the computed value of the electromotive force.
    Type: Grant
    Filed: March 17, 1983
    Date of Patent: February 25, 1986
    Assignees: Regie Nationale des Usines Renault, Jean-Paul Lefebvre
    Inventors: Jean-Paul Lefebvre, Thierry Pedron
  • Patent number: 4570226
    Abstract: An economical driving indicator device for an automotive vehicle with an internal combustion engine, of the type indicating the instantaneous consumption of the vehicle per unit of distance traveled. The device monitors continuously the characteristics of the vehicle and transmits the monitored characteristics to a processing unit which determines the instantaneous real unit consumption, and the theoretical optimum unit consumption; and displays this information on a dial in the form of lighted areas composed of bar segments and an index indicating optimum consumption. The invention assists the driver in obtaining as economically as possible an optimum driving speed.
    Type: Grant
    Filed: October 6, 1982
    Date of Patent: February 11, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventor: Francis Aussedat
  • Patent number: 4569282
    Abstract: Plunger type hay baler having a frame 1 forming an internal pressing channel 5 in which a pressing plunger 9 moves in a reciprocating movement, an intake orifice 6 through which hay loads into the pressing channel 5 and a loading chute 7 which connects to the pressing channel 5 at the orifice 6. A loader 35 which operates in synchronization with the alternating movement of the plunger 9, periodically introduces into the loading channel 7 basic loads and causes them to go from the loading chute 7 into the pressing channel 5. The loader 35 and pressing plunger 9 are respectively associated with a transmission system 32, 22, 25, 24, 27, 28, 30 for transforming a continuously circular movement of a driving crankshaft 12 of the pressing plunger 9 into an alternating circular movement of the driving pivot 28 of the loader 35.
    Type: Grant
    Filed: March 7, 1984
    Date of Patent: February 11, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventor: Jean-Claude Galant
  • Patent number: 4565168
    Abstract: A valve control device of the type having a rotating cam and a cam drive to communicate to a valve a reciprocating lifting movement in opposition to the closing force exerted by a return spring. The sliding surface of the cam drive comes in contact with the cam while immersed in an independent bath of lubricating oil having a high viscosity. Application is to a distribution device with reduced friction for internal combustion engines.
    Type: Grant
    Filed: January 26, 1984
    Date of Patent: January 21, 1986
    Assignee: Regie Nationale des Usines Renault
    Inventor: Jean-Pierre Rivere
  • Patent number: 4561176
    Abstract: This invention has as its object a six-axis head for correction of movements equipping a mobile tool (12) for mating assembly of an element on a support. The head comprises an upper frame (10) fastened to the mobile assembly tool defining a first geometric plane P.sub.1, an intermediate frame (16) defining a second geometric plane P.sub.2 and connected to the upper frame (10) by first drive means (M.sub.1, M.sub.2, M.sub.3) making it possible to perform two translations and a rotation of plane P.sub.2 in relation to plane P.sub.1, a lower frame (18) defining a third geometric plane P.sub.3 and connected to the intermediate frame (16) by second drive means (M.sub.4, M.sub.5, M.sub.6) making it possible to perform a translation and two rotations of plane P.sub.3 in relation to plane P.sub.2, means (20) for holding the element being fastened to the lower frame (18). It has application in automated placing of glazing elements (windscreens) on a motor vehicle body.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: December 31, 1985
    Assignee: Regie Nationale des Usines Renault
    Inventor: Philippe Leddet
  • Patent number: 4560885
    Abstract: A steering wheel switching circuit is provided which is capable of controlling component parts on a car body side through the use of a small quantity of coupling devices in cooperation with a controlling part by connecting a switching part installed on the steering wheel and two sets of series circuits installed on the car body part in parallel with a power supply. The switching portion includes a switch circuit having diodes electrically short-circuited across two terminals in both the positive and the negative direction. These two sets of series circuits have load resistances and switching elements with control terminals with the controlling part applying opposite polarity signals to the control terminals of the switching elements.
    Type: Grant
    Filed: July 28, 1983
    Date of Patent: December 24, 1985
    Assignees: Stanley Electric Co. Ltd., Regie Nationale des Usines Renault
    Inventors: Hidehiko Naete, Chihiro Funaoka, Daniel Augello, Jean Claude Coste