Abstract:
A device for recovering the component material of the window (L) in a motor vehicle door such as a rear hatch (H), including a movable assembly designed to be positioned under the open hatch, and provided with means for collecting fragments after a suitable tool has smashed the window.
Abstract:
A four-stroke combustion engine comprising an air-fuel mixture intake system (16) and a burnt gas exhaust system (17) communicating with a combustion chamber (12) via one or more controlled-opening valves, i.e. an intake valve (18) and an exhaust valve (19) respectively, and further comprising a turbocharger (11) for increasing the intake pressure of the mixture in the chamber (12). Means are provided for delaying the closure of the passage between the intake system (16) and the combustion chamber (12) when the engine is not operating in modes corresponding to low intake pressures.
Abstract:
In order to charge from a monophase alternating current voltage (Va) a battery of storage cells (10) connected to a device (61) to be supplied through an inverter (30), switching means (TA1/DA1, TA2/DA2, TB1/DB1, TB2/DB2, TC1/DC1, TC2/DC2) are used when the inverter is not in operation; said switching means are present in the inverter in order to form an alternating/direct converter (70, 71) receiving at the input a monophase alternating current voltage (Va) and delivering a direct current voltage (Vout') for charging the battery (10). According to one embodiment, the alternating-direct converter comprises a rectifier-step-up transformer stage (L1, 31, 32) followed by a step-down transformer stage (33, L2). Application particularly to electric motor vehicles.
Abstract:
A method and an apparatus (PT) for individually testing combustion engines (M) particularly designed for motor vehicles and assembled on a production line (10) consisting of a series of work stations (P1-PN). The method comprises a step of positioning each engine (M) in a test rig (PT, 14), a step of testing or taking measurements on the engine (M), and a step of removing the tested engine. The overall time needed to test an engine (M) is shorter than the engine production cycle time.
Abstract:
The invention concerns a method for electric diagnosis of an oxygen sensor of an internal combustion engine functioning on several richness values and in particular on a lean burn, characterised in that it consists in the following steps: monitoring the functioning of the engine and when predetermined functioning conditions are observed in which the richness of the carburetted mixture remains different from the stoichiometry for a sufficient time interval, measuring the voltage level of the signal emitted by said oxygen sensor; comparing this voltage value to a polarisation value and deducing therefrom if said voltage value is substantially equal to the polarisation voltage the existence of a fault in the electric connection of the sensor, or otherwise the absence of fault in the sensor electric connection.
Abstract:
The invention concerns a motor vehicle body structure comprising a crosspiece (10) fixed by its opposite ends (16) on two substantially vertically adjusted elements (50) in the form of a hollow stand, and comprising means (34, 44, 70) for fixing each of the ends on the associated stand (50) by at least two screw-bolt assemblies (38, 44) the locking axes of which extend along perpendicular directions, transverse (Y-Y) and longitudinal (X-X), characterised in that the fixing means comprise a bottom flange (70) including a body which is run through by the threaded rods (32, 42) of the two screw-bolt assemblies and which constitutes a brace (86) arranged between two opposite walls of the hollow stand (58, 60)
Abstract:
The universal transmission joint consists of an external element (1) with three internal guide vanes (2) and one internal element (6) provided with three guide arms (7) supporting rollers (8) in the vanes (2) of the external element (1) by means of rings (9) enabling the tripod (6) to be inclined with respect to the external element (1) without modifying the orientation of the rollers (8) inside the guide vanes (2). The invention is characterised in that the end of the arms (7) has a toric external surface and in that the rings (9) have an internal spherical surface enabling them to be inclined on the arms (7) in the longitudinal direction of the joint, while they are axially maintained on the arms.
Abstract:
A method for estimating the power consumption of an air-conditioning system on board a motor vehicle (1) is disclosed. The system includes a compressor (3), a condenser (4) combined with a first motor-driven fan (5), an evaporator (8) combined with a second motor-driven fan (9), and an air conditioning computer (11). The method comprises the steps of acquiring data values related to the operation of said air-conditioning system, and computing said power consumption, or reading same from a table, on the basis of said values. Said data includes the high output pressure of the compressor (3), the rotation speed of the compressor (3), and the air flow through the evaporator (8).
Abstract:
A device for removing chips produced by the machining head (7) of a machine tool is disclosed. The device comprises at least one pressurised liquid supply pipe (1) connected to dispensing means (2) for spraying the machine tool so that the liquid carries the chips into a discharge means (3). Said dispensing means consist of at least one multidirectional nozzle (2) for spraying the liquid throughout the space to be sprayed which includes the main areas where chips fall.
Abstract:
The inventive method for measuring gaps consists, in order to determine the presence and characteristics of a parking gap, in measuring the distance between a sensor located on the vehicle (4) to be parked, and an obstacle constituted by the ground or an already parked vehicle (1). A measuring device for implementing the method and for equipping a vehicle (4), comprises a proximity sensor outputting a measuring beam towards a line of parked vehicles so as to detect the presence or absence of a vehicle beside the equipped vehicle, and an odometer coupled with the said proximity sensor for measuring the length of a free spot between two already parked vehicles. The device is characterised in that the proximity sensor is fitted to output at least one measuring beam (12) directed towards the ground at the line of parked vehicles, such that the measuring beam is incident on the vehicle in case a vehicle is parked, or on the ground in the case of the absence of a vehicle.