Fiat Auto S.p.a.

Centro Ricerche Fiat S.p.a.

Fiat Societa Per Azioni

C.r.f. Societa Consortile Per Azioni

Politecnico Di Torino

Iveco Fiat S.p.a.

C.r.f. S.c.p.a.

Centro Richerche Fiat Societa' Sortile Per Azioni

Nova Engineering Sas Di Mario Palazzetti & C.

Mario Palazzetti

Stefano Re Fiorentin

Cesare Ponti

Gianfranco Salotti

Giovanni Monfrino

Franco Grisotto

Luigi Di Leo

Francesca Demichelis

Angioletta Boero

Fabio Mingrino

Silvano Sandri

Mario Montuschi

Roberto Puppini

Salvatore Frediani

Antonio Fuganti

Giorgio Becchi

Mario Bochicchio

Guiseppe Cane

Enrica Minetti-Mezzetti

Pier L Tenci

Enrica Minetti-Mezetti

Carlo La Torre

Giancarlo Ferrari

Giuseppe Cane

Sergio Damini

Helmut Walther

Giovanni Tufano

A tire () for vehicles, which does not require pressurization by means of a pressurized fluid, has a tread (), two sidewalls (), and two beads () attached to a wheel rim () and made of elastomer material; the tire is provided with at least one tubular reinforcement body () which is associated with the tread; each of the sidewalls have a respective homogeneous resilient annular membrane ().

Tyre for vehicles, in particular motor vehicles

The device is adapted to control the movement of a valve () of an internal combustion engine comprising a stem () which may move in translation through an opening () of a hollow guide body () and which ends in a mushroom head () cooperating in operation with a valve seat () provided in a wall () of the engine head. The valve () may move in translation with respect to the hollow guide body () between a retracted position and a forward position in which the mushroom head () respectively closes and opens the associated valve seat (). The control device comprises The arrangement is such that when the electromagnet () is de-energised, the valve () moves in acceleration towards the open position under the action of the first spring () until the action of the latter stops, and then the valve () moves in deceleration into the open position under the action of the second spring ().

Device for controlling the movement of a valve, in particular of an intake valve, of an internal combustion engine

A tire for vehicles which does not require pressurization by means of a pressurized fluid has a tread, two sidewalls, and two beads which are attached to a wheel rim made of elastomer material, and is provided with at least one tubular reinforcement body which is associated with the tread; each of the sidewalls having a respective homogeneous resilient annular membrane, a straight generatrix of which forms an angle (A) other than 90&#xb0; with the axis of the tire; the membranes being stretched radially between the tread and the beads such as to be pre-tensioned in the absence of external loads acting on the tire.

A safety barrier for road use comprises a barrier element which can be displaced between an operative position, above the road surface, and an inoperative position, in which it does not substantially project above the road surface. Preferably provided is a number of sets of aligned barrier elements, rigidly connected to one another, the adjacent sets being connected together by articulated connecting structures which enable one set of barrier elements to be displaced between its inoperative position and its operative position without modifying the positions of the adjacent sets. In this way, one or more stretches of the barrier can be brought into the inoperative condition, leaving the adjacent stretches of barrier in the normal operative condition.

Retractable road barrier

Calibration method for a fuel injection system

Starting from a sequence of values of indicated torque detected for each expected combustion in the engine a cycle signal is generated as a combination of at least two successive values of the said sequence. The peak value of the said cycle signal is then compared with a comparison threshold chosen preferably in proportion of the fuel injection duration into the cylinders. Misfires are identified preferably from the result of a comparison between the said peak value and the said comparison threshold which differs from the result of comparison in the presence of regular operation of the engine.

Process and system for detecting misfiring in internal combustion engines

The device comprises a heat-sensitive element which is heated to a controllable extent so as to keep it at a predetermined temperature, for example, average body temperature. Detector means measure the power or energy required to keep the heat-sensitive element at this predetermined temperature, thus providing a signal indicative of the thermal comfort conditions of the environment. The heat-sensitive element has a general elongated shape so that it can be inserted, for example, into a motor vehicle safety belt, ensuring that the indication obtained indicates the general thermal comfort conditions throughout the entire region of the environment in which the heat-sensitive element extends.

Detector device for evaluating the thermal comfort conditions in an

The sensor unit consists of a scale model of the vehicle mounted on the roof of the vehicle itself. The sensor unit measures the amount of energy exchange necessary to obtain the desired air-conditioning in its interior environment and generates a signal, which is of a predictive nature, indicating the amount of energy exchange necessary to obtain the corresponding air-conditioning in the passenger compartment of the vehicle.

Sensor unit for vehicle air-conditioning systems

The invention relates to monitoring techniques, such as angular movement monitoring techniques, in which an element with at least one peripheral irregularity is moved relative to a magnetic circuit so as to induce a variation in the reluctance in the magnetic circuit which can be detected externally. A device is disclosed including two magnetic elements defining respective magnetic circuits symmetrical with each other. Between the two magnetic members a gap is formed of approximately the same size of a peripheral irregularity, consisting of a notch or a tooth of a moving member, which is passed in front of the two magnetic circuits to cause a corresponding variation in reluctance in the magnetic circuits which produce a disturbance in the characteristics of symmetry, detectable by a sensor preferably a Wiegand-effect sensor.

Magnetic monitoring device, particularly for monitoring the parameters

A system for connecting sensor devices to actuating devices, the system substantially comprising a cable having a given number of signal conducting lines, a number of interface units each designed for assembly between the lines of the aforementioned cable and a respective sensor device or actuating device, and processing means designed to circulate, in the aforementioned cable, signals enabling data to be transmitted between the devices and the processing means.

System for interconnecting sensor and actuating devices

There is disclosed an electromagnetic actuator which is provided with an electromagnet and a movable core which can be attracted by the electromagnet. The electromagnet is formed by a small plate having on its front surface facing the core a plurality of grooves in which are housed respective substantially rectilinear conductor elements. The conductor elements are electrically connected together in such a way as to define on the surface a plurality of elementary magnets disposed alongside one another and having alternately opposite polarity.

Rapid acting electromagnetic actuator

A method is described for the non-destructive testing of a joint obtained by the electrical spot-welding of two sheets of substantially the same material joined together in a local zone with the formation of a weld core which has a thermal diffusivity substantially different from the thermal diffusivity of the material of the two sheets before welding, such a core being obtained only when the welding is of a good quality. The testing is effected by a device the main characteristic of which is an electrode which delivers heat and a detector electrode located at two conveniently chosen points on one surface or opposite surfaces of the two welded sheets. The detector electrode is connected through an amplifier and an analog-digital converter to a computer which processes the signal to provide an indication of the weld quality on the basis of the measured value of the thermal diffusivity.

Non-destructive quality-testing of a joint between sheets made by

A shutoff device for a fluid with a body having a conduit in which, in use, the fluid flows, a plunger arranged slidingly in a seat formed in the body and provided with an end portion suited to shut off said conduit, and means controlling the movement of the plunger into said seat. The control means comprise at least in particular a member having a hollow shape, made in piezoelectric material and arranged inside a chamber formed in the body and communicating with part of the surface of said plunger. Into the chamber is contained a liquid which is subjected to pressure changes as a consequence of the volume changes induced in the piezoelectric member; said liquid causes the movement of the plunger and consequently the shutoff of the conduit.

Shut-off device for a fluid

A power distribution system is provided which includes:

Electric power distribution system

A thermophotovoltaic converter of the type comprising a concentrating optical system and a transducer for solar radiation provided with at least one lens and with at least one photovoltaic cell is described. The principal feature of this converter is that the aforementioned transducer comprises at least a radiator having an irradiating surface substantially facing the sensitive surface of the photovoltaic cell and a selective filter disposed between the photovoltaic cell and the aforementioned radiator.

Growing community of inventors

Avigliana, Italy

Mario Palazzetti