摘要:
Transmission for a road vehicle with hybrid propulsion; the transmission comprises: a gearbox provided with one primary shaft, one secondary shaft and at least one pump actuated by an activating shaft; at least one clutch connected to the primary shaft and presenting a part which is normally conductive which can be connected to a drive shaft of a thermal engine; at least one reversible electric machine presenting a shaft mechanically connectable to the primary shaft; a first mechanical transmission which transmits motion from the normally conductive part of the clutch to the activating shaft; and a second mechanical transmission which transmits motion from the shaft of the electric machine to the activating shaft.
摘要:
A method for starting an internal combustion thermal engine of a hybrid vehicle having: the thermal engine provided with a drive shaft; at least one pair of driving wheels; a transmission, which transmits the motion from the thermal engine to the driving wheels and has a clutch; and an electric machine, which is mechanically connected to the clutch downstream of the clutch, so that the clutch is interposed between the electric machine and the thermal engine; the starting method includes the steps of: opening the clutch to separate the electric machine from the thermal engine; separating the electric machine from the driving wheels; making the electric machine rotate by operating the electric machine as a motor; and closing the clutch when the electric machine reaches a launch rotation speed.
摘要:
Transmission for a road vehicle with hybrid propulsion; the transmission comprises: a gearbox provided with one primary shaft, one secondary shaft and at least one pump actuated by an activating shaft; at least one clutch connected to the primary shaft and presenting a part which is normally conductive which can be connected to a drive shaft of a thermal engine; at least one reversible electric machine presenting a shaft mechanically connectable to the primary shaft; a first mechanical transmission which transmits motion from the normally conductive part of the clutch to the activating shaft; and a second mechanical transmission which transmits motion from the shaft of the electric machine to the activating shaft.
摘要:
An embodiment of an electrical system of a vehicle with electric propulsion achieved by at least one electrical machine; the electrical system has: a storage section provided with at least one battery including of a plurality of cells, each of which is coupled in series with the other cells and is provided with a bypass branch that is coupled in parallel to the cell and has a bypass switch; a section of traction that interacts with the electric machine and is equipped with a power electronic converter that exchanges electrical energy with the storage section; and a section of the auxiliaries, which powers auxiliary services of the vehicle, has a buffer battery and is electrically powered by the storage section; a first connector switch coupling the storage section to the section of traction; and a second connector switch coupling the storage section to the section of the auxiliaries.
摘要:
An electric traction vehicle having: at least one pair of driving wheels; at least one reversible electric machine which can be mechanically connected to the driving wheels; an electronic power converter which pilots the electric machine; a storage system, which is aimed at storing electric energy, is connected to the electronic power converter and comprises at least one storage device; a passenger compartment; an air conditioning system of the passenger compartment which fulfills the function of regulating the temperature inside the passenger compartment; and a cooling system, which is completely independent and separate from the air conditioning system of the passenger compartment and uses a compression refrigeration cycle to cool at least one of the electric components, i.e. the electric machine, the electronic power converter and the storage system.
摘要:
Described herein is a frame for a motor vehicle having a first body and a second body, which are rigidly connected to one another in such a way that they can be taken apart; the first body has a first connection bar set in a transverse direction, and the second body has a second connection bar set in a transverse direction, which is set parallel to, faces, and is in direct contact with the first connection bar and is bolted to the first connection bar itself by means of a number of bolts arranged vertically.
摘要:
A storage system for the storage of electric energy for a vehicle with electric propulsion; the storage system has: a plurality of chemical batteries, which are divided into groups, each of which comprises chemical batteries connected to each other in series and/or in parallel; and two rigid busbars, which connect the groups of chemical batteries in parallel and have respective connection portions, which constitute the connection terminals of the storage system to the outside; each rigid busbar has a variable cross section, which increases close to the connection portion, so that the cross section of each busbar is the largest at the connection portion and the smallest in correspondence to the end which lies the farthest from the connection portion.
摘要:
A starting method of an internal combustion thermal engine of a vehicle with hybrid propulsion provided with a transmission equipped with a twin-clutch gearbox and a reversible electric machine connected to a first primary shaft; the starting method including the steps of: making the electric machine work as an engine for producing a torque; partially closing a first clutch connected to the first primary shaft in order to make the first clutch itself slip to transmit part of the torque generated by the electric machine to a drive shaft of the thermal engine; engaging a gear coupled to a second primary shaft to mechanically connect the second primary shaft itself to the driving wheels; and closing partially a second clutch connected to the second primary shaft in order to make the second clutch itself slip and transmit part of the torque generated by the electric machine to the driving wheels.
摘要:
An automotive electric machine provided with: a stator; a rotor, which is rotationally mounted coaxially to the stator and inside the stator to rotate about a rotation axis; a shaft, which is rotationally mounted about the rotation axis, supports the rotor, and is hollow inside so as to have a longitudinal, central cooling channel filled with a cooling fluid; at least one pushing element, which is arranged inside the cooling channel, is integral with the shaft to rotate with the shaft itself about the rotation axis, and is helical-shaped to define at least one worm which extends within the cooling channel along the rotation axis to push the cooling fluid along the rotation axis due to its rotation.
摘要:
A starting method of an internal combustion thermal engine of a vehicle with hybrid propulsion provided with a transmission equipped with a twin-clutch gearbox and a reversible electric machine connected to a first primary shaft; the starting method including the steps of: making the electric machine work as an engine for producing a torque; partially closing a first clutch connected to the first primary shaft in order to make the first clutch itself slip to transmit part of the torque generated by the electric machine to a drive shaft of the thermal engine; engaging a gear coupled to a second primary shaft to mechanically connect the second primary shaft itself to the driving wheels; and closing partially a second clutch connected to the second primary shaft in order to make the second clutch itself slip and transmit part of the torque generated by the electric machine to the driving wheels.