Three-way three-position control valve having a piezoelectric or magnetostrictive actuator, and fuel injection system comprising this valve

Described herein is an electrically actuated control valve (1) comprising three mouths (2, 4, 6) and three operating positions (P1, P2, P3), in which the three mouths (2, 4, 6) comprise: - a first mouth (2) for inlet of a working fluid, and - a second mouth (4) and a third mouth (6) for outlet of…

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Motor vehicle cup holder

A motor vehicle cup holder (1) is provided with a support (3) made of a rigid material and having a receptacle (4), which extends along a vertical axis (5) and is radially delimited by a side surface (6), having at least one retaining seat (10); the cup holder is further provided with a lining…

Internal combustion engine having a system for variable actuation of the intake valves provided with three-ways solenoid valves and method for controlling this engine

An internal-combustion engine with two intake valves (7A, 7B) for each cylinder is provided with a system for variable actuation of the intake valves, comprising a single solenoid valve for each cylinder that controls communication of the pressurized-fluid chamber (C) of the system with an exhaust…

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Internal combustion engine with cylinders which can be deactivated, in which the deactivated cylinders are used as pumps for recirculating exhaust gases into the active cylinders, and method for controlling this engine

In an internal-combustion engine provided with a system for variable actuation of the intake valves (6) of the cylinders (I, II, III, IV), some of said cylinders (II, III) are deactivated in given conditions of operation of the engine by interrupting the supply of fuel. During de-activation, the…

Control of an automotive air conditioning system with air reheating based on internal combustion engine coolant flow control

An automotive air conditioning system (1) comprising: ¢ an air cooling circuit (4) including a compressor (7), a condenser (8), an expansion valve (9) and an evaporator (10), fluidically connected to be flowed, during operation, by a heat transfer fluid, and a blower fan (15) associated with the…

Solenoid valve

Described herein is a solenoid valve (1) comprising three mouths (2,4,6) and three operating positions (P1,P2,P3), in which the three mouths (2,4,6) comprise: - a first mouth (2) for inlet of a working fluid, and - a second mouth (4) and a third mouth (6) for outlet of the working fluid, and…

Management of operation of an automotive electrical system featuring a renewable electrical power source

An automotive electrical system (ES) comprising: €¢ an electronically-controllable alternator (SA); €¢ a renewable electrical power source (SP) having a work point where the maximum deliverable electrical power is supplied; €¢ an electrical power accumulator (B); €¢ electrical loads (L); and €¢ an…

Method for controlling a motor-vehicle provided with an internal combustion engine having a system for variable actuation of the intake valves

In a motor vehicle provided with an internal combustion engine having a system for variable actuation of the intake valves there is provided for a phase of activation of an operating mode with the engine off and the vehicle moving, in which the fuel supply to the engine is cut-off. After the…

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