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| Number | Title | Issue Date |
| 6204468 | Force-controlled resistance welding device Resistance welding device of the type comprising two welding electrodes (21, 31) that are displaceable in relation to one another and can clamp between them the sheet metal to be welded. One of said electrodes (31) is connected to driving means formed by ... | 03/20/2001 |
| 5930739 | Method for measuring the yaw velocity of a vehicle Method of measuring the yaw velocity of a vehicle. An estimate of the yaw velocity is made by either a gyrometer or a steering angle sensor. This estimate is selectively readjusted when a fixed obstacle is sensed using periodic updates of the longitudinal... | 07/27/1999 |
| 5856922 | Process and device for measuring the torque of an internal combustion heat engine This device applies to all internal combustion heat engines. It includes an electronic unit (10) associated with a ring gear (12) of the inertial flywheel and with sensor (22) with variable reluctance such as those used for electronic ignition engines. In... | 01/05/1999 |
| 5572964 | Control process for an internal combustion engine fuel pump A control process for a fuel pump installed in a fuel circuit of a motor vehicle internal combustion engine. The fuel pump is of the electric drive type and is controlled by the engine control system. The fuel pump is actuated in advance of the operation ... | 11/12/1996 |
| 5474047 | Process for supplying fuel to an internal combustion engine and engine for using it A process for supplying fuel to an internal combustion engine of the multi-cylinder type with controlled fuel injection and comprising a controlled fuel vapor recovery system. During predetermined operating phases of the engine, the fuel injection is stop... | 12/12/1995 |
| 5448029 | Idling engine clutch release control device of an automatic transmission An idling engine clutch release control device of an automatic transmission, which includes an electric switch connected to the accelerator pedal and to an element for metering the fuel, wherein closing of the switch prevents release of the stationary clu... | 09/05/1995 |
| 5443239 | Seat support for a motor vehicle A motor vehicle seat support includes a carrier frame on which front forks and rear forks are designed to work respectively with fastening rods that are integral with the floor of the vehicle. Each one of the front and rear forks carries a mobile catch to... | 08/22/1995 |
| 5386811 | Device for recovery of fuel vapors Device for recovery of fuel-vapors from a tank of a motor vehicle includes a filter (1) containing a material that adsorbs these vapors, this filter (1) being connected by a pipe (3) to a source of air for regeneration of the adsorbent material. The intak... | 02/07/1995 |
| 5359519 | Process and device for measuring the torque of an internal combustion heat engine taking into consideration, in particular, the recirculation of exhaust gases and residual burnt gases and excess oxidant In internal combustion engines in which residual burnt gases (GBR) exist and in which a recirculation of exhaust gases (RGE) is provided as well as the engines in which the gas mixture is low in gasoline or in the case of diesel engines, a digital value C... | 10/25/1994 |
| 5267251 | Line interface for a data transmission network A line interface for a two wire bus for detecting defects of the bus. The interface includes a shaping circuit having three comparators. The first comparator having two inputs connected to the two wires of the bus, the second comparator having a first inp... | 11/30/1993 |
| 5209192 | Two-cycle engine Two-cycle engine with fuel injection, of the type having at least one cylinder (3) in which a piston (5) is mounted to slide. A crankshaft is connected to this piston and housed in a housing (2), cylinder (3) further communicating with an intake circuit w... | 05/11/1993 |
| 5168622 | Device for holding and/or automatic assembly of parts, having tool-carrying arms mounted on a support unit Device that makes possible the holding and/or automatic assembly of parts includes tool-carrying arms (40), fluid power circuits that actuate these tools, and control circuits for these power circuits. A support unit (10) has arms (40) mechanically fasten... | 12/08/1992 |
| 5166957 | Bus interconnection and extension device in a data transmission network But interconnection device in a data transmission network where each bus connects multiple modules or stations, characterized by the fact that it comprises electronic comparator (51) for receiving the voltages of various buses and delivering a correspondi... | 11/24/1992 |
| 5115791 | Engine crankcase with crankcase gas exhaust and oil recirculation systems The invention concerns a crankcase or cylinder block for an internal combustion engine of any type, for example, of the V or in-line cylinder type. The upper half of the crankcase comprises internal conduits which connect the upper part of the crankcase w... | 05/26/1992 |
| 5068584 | Auxiliary device for handling failures of an actuating system of a linear electric actuator An auxiliary device for handling failures of an actuating system of a linear electric actuator, including an auxiliary drive device which works with a braking device, so that, in case of failure of said actuating system, the auxiliary drive device returns... | 11/26/1991 |
| 5058015 | Process of modulation control of the torque of a heat engine associated with an automatic transmission The modulation the control of a heat engine associated with an automatic transmission having an electronic control unit includes the steps of initiating a shift of the automatic transmission by the electronic control unit and substantially simultaneously ... | 10/15/1991 |
| 5033566 | Device for steering the rear wheels of a vehicle with four wheel steering Device for steering the rear wheels of a vehicle with four wheel steering comprising an electric drive systems (1), a bolt-nut system (2) and a reduction mechanism (3), bolt (4) is placed between two guide elements (5) and is integral with an interball jo... | 07/23/1991 |
| 4946089 | Process for interpositioning of tools of a body assembly machine For precisely positioning a vehicle body relative to robots which spot weld the vehicle body, the vehicle body is mounted on a lower tool which is rigidly connected to front and rear upper tools which are selected from a tool magazine as a function of the... | 08/07/1990 |
| 4934141 | Device for microwave elimination of carbon particles contained in exhaust gases of heat engines Device for microwave elimination of particles contained in the exhaust gases of diesel engines in which a microwave (λ) source (6) and a conductor (5) of the electromagnetic field generated by the source is joined with a resonator (2 or 3) mounted on an ... | 06/19/1990 |
| 4907949 | Variable flow pump Variable flow pump comprising at least a piston (1) associated with a chamber (2), said piston (1) cooperating with a surface (3) driven in a constant displacement reciprocating movement, characterized in that the piston (1) is free of any continuous mech... | 03/13/1990 |
| 4858487 | Device for transmission of movement by an outside gearing Device for constant velocity transmission of movement between two parallel shafts with axes of rotation (16) and (17) connected by an outside gearing. The pinion (14) and the pinion (15) of the outside gearing are helical with a helix having the same angl... | 08/22/1989 |
| 4796685 | Vibrating table for forming sand molds Vibrating table used particularly in founding, of the type having vibrators fastened to a horizontal plate mounted on a frame and insulated from the base of this frame by elastic damping devices has two rotary vibrators having axes defining unbalance cent... | 01/10/1989 |
| 4737054 | Apparatus for retracting the tool on a machine An apparatus for retracting the tool from a machined piece on a machine comprising a movable assembly for holding the tool or the piece having a guide means for taking up play by lateral biasing. This apparatus involves means intended for providing lateral dis... | 04/12/1988 |
| 4731811 | Radiotelephone system, particularly for motor vehicles A radiotelephone system for motor vehicles, including a transducer for remote pickup, processing and transmitting of the speech of a user located in an environment with interference and a module for recognition of a control vocabulary by a user of the var... | 03/15/1988 |
| 4709179 | Permanent-magnet six-pole synchronous electrodynamic machine The machine includes a rotor of the flux concentration type. Six permanent magnets of the high-energy type are mounted on a shaft. Between the magnets are placed pole pieces made of ferrosilicon magnetic sheets. A stator is composed of ferrosilicon magnet... | 11/24/1987 |
| 4700864 | Synthetic material vehicle fuel tank Fuel tank of synthetic material for motor vehicles has an expansion and venting system and consists of a main enclosure extended upward by an expansion chamber in which is housed filling pipe at the upper part of which is tapped a gas evacuation line incl... | 10/20/1987 |
| 4691597 | Control system for a four-speed automatic transmission Control device of an automatic transmission having four forward speeds with shifting under torque together with a hydrokinetic torque converter with an integrated torsional damper, and one reverse speed, of the type comprising a planetary gear train contr... | 09/08/1987 |
| 4682104 | Angular displacement pickup, particularly for the detection of torque in power steering The contactless angular displacement and/or torque pickup is characterized in that it comprises two electrically insulating coaxial disks (7a, 7b) that can turn in relation to one another by an angle to be detected and that carry on their opposing faces c... | 07/21/1987 |
| 4679988 | Two-range pressure control system Pressure control device comprising a manual valve (VM) associated with a pressure control valve (VRP), includes a first line pressure (PL), defined by two calibrated jets in series, which are placed on a duct set at zero pressure by the manual ... | 07/14/1987 |
| 4676766 | Control device of a continuous transmission Control device of a continuous transmission associated with a heat engine and with a reversing converter whose turbine shaft is either made solid with the shaft of the reactor to obtain forward, or made solid with the housing to obtain reverse, characteri... | 06/30/1987 |
| 4664137 | Two-level pressure control device Two-level pressure control device has a pressure control valve VLP 3 associated with a system of jets and in series to obtain a first reference pressure level P1 and a second reference pressure level P2.... | 05/12/1987 |
| 4658782 | Process and device for controlling the air flow of an idling heat engine A process and apparatus for controlling the air flow at the intake of a heat engine fed by fuel injection. The air flow is controlled as a function of the rotational speed of the engine, particularly in the vicinity of the rated idling speed. The control ... | 04/21/1987 |
| 4647902 | Display unit of fuel consumption meter for automobile A display unit of a fuel consumption meter for an automobile, wherein a proper fuel consumption is determined and an actual fuel consumption is measured and signals corresponding thereto are applied to comparing circuit and bar graph detectors. The compar... | 03/03/1987 |
| 4647901 | Display unit of speedometer for automobile A display unit of a speedometer meter for an automobile, wherein a desired car speed is determined and an actual car speed is measured and signals corresponding thereto are applied to a comparing circuit and bar graph decoders. The comparing circuit compa... | 03/03/1987 |
| 4631513 | Display unit of speedometer for automobile A display unit for a speedometer for an automobile, wherein car speed is sensed and displayed in at least two modes including a standard scale mode when car speed is above a set standard speed, and an enlarged scale mode when car speed falls below a lower... | 12/23/1986 |
| 4624179 | Automatic control device for tying in a hay baler 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 indica... | 11/25/1986 |
| 4610181 | Power transmission device for starting in forward or reverse 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 ... | 09/09/1986 |
| 4599917 | Ratio change control in an automatic transmission with stepped ratios 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 m... | 07/15/1986 |
| 4597598 | Device for electrical opening and closing of a vehicle lid equipped with a lock of the cocking type 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 cl... | 07/01/1986 |
| 4596401 | Rear independent wheel suspension system 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 ... | 06/24/1986 |
