Abstract: In a compact tool for automatic MAG spot welding, all of the elements are located close to the welding zone and a single set of props both support the articles to be welded and provide a negative electrical current contact. A welding head is slidably supported upon a base which is connected to a robot arm by quick release couplings. The base further supports a welding wire reel and brake while the head supports the torch and a welding wire drive device. Props on either side of the welding zone press the article to be welded and provide negative electrical current contact.

Abstract: An automatic system for painting the interiors of vehicle bodies having a large opening at the rear, particularly industrial vehicles, including a mechanism which supports two electrostatic paint sprayers and which is designed to move these according to three movements which respectively modify their spacing, their distance from the axis and their overall position relative to the axis. Handling equipment produces a fourth movement consisting of a controlled backward and forward movement of the vehicle body along the vehicle axis.

Abstract: A device is disclosed for automatic setting of a window element or headliner, particularly onto a vehicle body disposed on a support connected to a conveyor line. A movable setting tool is equipped with means for retaining said element and sensors for detecting the proximity of the vehicle body and particularly the frame to receive said element. The sensors send, possibly by processing means, control signals to drive means of said tool, in order to position the tool correctly with respect to the body onto which is rests.

Abstract: A balancing device consists of at least one balancer, for example a pneumatic jack, one end of which is connected to the deck lid by a swivel joint and whose other end is hinged to the vehicle body. The balancer is hinged to the vehicle body through a bent return lever consisting of two unequal arms and is attached at its bend to the vehicle body about an axis parallel to the hinge axis of the hatchback. The end of the arm oriented toward the axis forms a hinge for the said other end of the balancer while the end of the other arm of the bent lever is in contact with the concave cam surface of a cam attached to the deck lid.

Abstract: A variable gas distribution device, or a variable valve timing device, for an internal combustion engine is disclosed. The device consists of at least two rocker arms mounted on a common shaft and each engageable with a cam having a different configuration. A connecting element is slidably mounted on the shaft between two of the rocker arms and is engageable with an intake valve of an engine. The connecting element and rocker arms have lateral notches which are matable with one another so that the connecting element rotates with one or the other of the rocker arms. A control device is provided for moving the connecting element along the axis of the shaft so that it can engage with one or the other of the rocker arms.

Abstract: Ionic air-flow pickup (1) consisting of two working areas (2) and (3) separated by an intermediary grid (4) and associated with devices (5) to power the emission area (2) and devices (8) to detect the signals given off by the receiving area (3) in order to obtain an electrical signal which depends on the volume flow.

Abstract: Process for automatically measuring the shearing resistance of green sand used in a repetitive sand molding process using pattern plates, and for using the measurements in such a way as to modulate the various parameters of the process in which a measuring ring is placed upon one of the pattern plates. The measuring ring has an opening and stress gauges fastened within narrowed sections of said measuring ring on either side of said opening. The gauges are connected electrically through the pattern plate to an electronic measurement and operation device within which various physical measurements are computed, including the shearing resistance of the test sample of sand compressed within said opening. The result of said measurements is processed by a computer to determine the magnitude of modulations to be made, particularly that pertaining to the replenishment of agglomerating agents for the recycled sand.

Abstract: An electronically controlled device for premetered pressure-time injection using high injection pressure and low feed pressure, which include one source (5-6) of medium pressure (MP) which is intermediate the high and low pressures, a two-stage rotary distributor which cyclically distributes the high and low pressure into single piping systems for each cylinder, a plurality of injection nozzles wherein, in each injector nozzle (30), a metering piston is provided (8) whose delivery chamber (21) is connected to the single piping system, and an injector control piston (11) having a control chamber (31) which is connected, via a three-channel electrovalve (9), through a medium pressure channel for the purposes of initiating injection, and through a second channel to the injection chamber (22) for purposes of initiating metering.

Abstract: The carburetor comprises a body provided with a fuel nozzle device, a choke valve and a butterfly rotatably mounted in the body respectively above and below the nozzle system. A spring pulls the choke valve into its fully closed position. A diaphragm sensitive to low pressure prevailing in the intake manifold of the engine is connected to a linkage forming a connection between the choke valve and the diaphragm. A manually operated cam includes a stop which is movable between an active position and a retracted position where it allows, during cold operation, the diaphragm and the linkage to pivot the choke valve between its minimum and maximum opening positions, according to the load on the engine.

Abstract: Metal alloy having high catalytic activity. It comprises a refractory base metal mass containing carbon and at least one metal of the platinum type, the surface of which has been subjected to intergranular acid corrosion which produces microfissures and causes the formation of microcrystals of the platinum metals.Application in exhaust catalytic converters.The present invention relates to refractory metallic alloys exhibiting a high catalytic activity which are particularly useful for reducing exhaust gas pollution from automobiles.

Abstract: A locking device for a pivoting window includes a link which is completely embeddable inside the body of the lock mounted on a frame and a strap affixed to the window, the link being set in motion by a combination of sliding and pivoting movements transmitted from the translation motion of an operating knob, parallel to the body of the lock and obtained with pawns attached to the link evolving inside knob-holes of the strap and the body of the lock. This low-crowding device enables locking of the window with constant compression of the watertightness joint of the window.

Abstract: This hydrodynamic torque converter for the automatic transmission of motor vehicles which provide several gear ratios comprises means for bridging the input and output shafts of the converter. The hydraulic fluid supplied through the hollow transmission shaft penetrates into the converter inner space via a gaged orifice; the outlet of the control chamber of the converter is closed by a solenoid valve in one position thereof; the pressure in the converter inner space is the same as in the control chamber, and spring means are provided for urging the control piston to its release position when the assembly operates as a torque converter. In the other valve position the pressure prevailing in the converter inner space having its outlet closed is applied to the control piston against the force of the spring means. The pressure in the control chamber is low and thus the friction lining carried by the control piston produces the desired bridging action.

Abstract: The invention concerns a rocker mechanism designed to put out of use at least one cylinder, or a group or row of cylinders, of an internal combustion engine by acting on the inlet valve. The mechanism includes at least one rocker comprised of two components meshed with one another, one of those components controlling the inlet valve of the cylinder while the other is controlled by the cam shaft of the engine, and associated with control means allowing for the disconnection of the rocker components from one another. Application is to energy savings.

Abstract: An electromagnetically actuated injector, for the injection of fluid in internal combustion engines in particular, comprises a casing, a core located within the casing, an actuating coil surrounding the core, a fluid inlet passage, a chamber between the core and a cover. The injector contains a ball which cooperates with a seat to close the injection passage formed in the cover, said ball being attracted by the actuating coil against an elastic system mounted in front of the core and which urges the ball against its seat. The injector includes a disk interposed between the core and the ball, the disk surface facing the ball being coated with a thin layer of nonmagnetic material, a seat with a circular working surface, a funnel-shaped nozzle for automatic fluid-flow regulation, and an injection tip provided with spiral inclines to create a cone-shaped spray at the outlet of the injection nozzle. Application is to fuel injection in the internal combustion engines of automotive vehicles.

Abstract: Disclosed is an energy absorbing bumper formed of curved sections manufactured by pultrusion. The sections have perpendicular borders whose raised edges are connected by closure plates in areas of high stress. The face of the section can be formed with ripples so as to insure that reinforcing wires remain in areas subjected to high stresses.

Abstract: The modular fixture is in the form of a hollow chassis mounted on a base through which a chute extends for delivering parts for gauging. Gauging is provided by a plurality of modules fixed to reference surfaces of the chassis. A support module contains a mandrel mounted on a spindle for grasping and holding the parts during gauging. Gauge modules contain movable supports for sensors or feelers which gauge the parts. A movable stop and a movable fork associated with the chute cooperate to stop and support the part as it is being grasped by the mandrel. The modular nature of the fixture permits rearrangement of the modules such that parts of different types can be gauged.

Abstract: An arrangement for mounting a cooling system radiator in the engine compartment of an automobile vehicle, the radiator including a base portion and a top portion and the engine compartment including a beam structure having a horizontal bottom beam member for supporting and positioning the base portion of the radiator, a horizontal top beam member and a horizontal intermediate stiff beam member, the top and intermediate beam members being transversely offset on the same side with respect to the bottom beam member, the arrangement further including a one-piece spring wire unit having a first and second leg connected together at one end thereof so as to extend substantially perpendicular to one another when the spring wire unit is not strained, the spring wire unit being mounted under strain so that the first leg extends from a connection with a second leg from above the top beam member substantially horizontally over the radiator, a free end of the first leg being pressed downwardly on the top portion of the ra

Abstract: A hydraulic generator with a free-piston engine and hydropneumatic return cushion and with an associated hydraulic-fluid pumping piston feeding a hydraulic accumulator intended to be charged between two detected levels of pressure. The generator includes a lock device for the free piston at the power-stroke dead center with voluntary control, and servo-control means for this lock device with means for detection of the aforementioned two pressure levels, to assure locking the piston in response to detection of the aforementioned highest pressure level and to assure its unlocking in response to detection of the aforementioned lowest pressure level, and thus an automatic intermittent running of said engine.

Abstract: A locking finger member (7) cooperates with notches (3, 4) of a parking wheel (1). The respective contact surfaces (3a, 6a and 3b, 6b) are inclined in an asymmetric manner with respect to a radius of the parking wheel (1). It is then possible to choose these inclinations in such manner that the torques exerted on the locking finger member (7) upon its disengagement under the action of the rotation of the parking wheel (1) are substantially equal, even for a small longitudinal dimension of the locking finger member (7). Thus it is possible to construct a locking device of very small overall size.