Electrohydraulic hybrid lifting vehicle
First Claim
1. A lifting vehicle comprising front and rear axles with respective differentials;
- a constant-velocity, universal joint drive longitudinally connecting said front and rear differentials;
a telescopic arm; and
at least one hydraulic circuit powered by a hydraulic pump to operate said telescopic arm;
the vehicle further comprising a first side compartment positioned between said axles housing an internal combustion engine, a reversible electric machine, said hydraulic pump, and a disconnectable drive for selectively disconnecting said internal combustion engine from said reversible electric machine and said hydraulic pump;
said reversible electric machine driving said hydraulic pump when said internal combustion engine is disconnected from said disconnectable drive; and
a battery housed in a second side compartment opposing said first side compartment with respect to said constant-velocity, universal joint drive, the battery being connected for charging said reversible electric machine and to an electric motor connected to said constant-velocity, universal joint drive to provide a series hybrid drive with the internal combustion engine.
1 Assignment
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Accused Products
Abstract
A lifting vehicle having two axles with respective differentials; a constant-velocity, universal joint drive connecting the differentials; a telescopic arm; and a hydraulic circuit powered by a hydraulic pump to operate the telescopic arm. The vehicle also has, housed in a first side compartment between the axles, an internal combustion engine, a reversible electric machine, the hydraulic pump, and a disconnectable drive for selectively disconnecting the internal combustion engine from the reversible electric machine and hydraulic pump; the reversible electric machine driving the hydraulic pump when the internal combustion engine is disconnected from the disconnectable drive; and a battery being housed in a second side compartment, on the opposite side of the constant-velocity, universal joint drive to the first side compartment, being connected for charging to the reversible electric machine, and being connected to an electric motor connected to the battery and the constant-velocity, universal joint drive in a third compartment beneath the telescopic arm.
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Citations
15 Claims
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1. A lifting vehicle comprising front and rear axles with respective differentials;
- a constant-velocity, universal joint drive longitudinally connecting said front and rear differentials;
a telescopic arm; and
at least one hydraulic circuit powered by a hydraulic pump to operate said telescopic arm;
the vehicle further comprising a first side compartment positioned between said axles housing an internal combustion engine, a reversible electric machine, said hydraulic pump, and a disconnectable drive for selectively disconnecting said internal combustion engine from said reversible electric machine and said hydraulic pump;
said reversible electric machine driving said hydraulic pump when said internal combustion engine is disconnected from said disconnectable drive; and
a battery housed in a second side compartment opposing said first side compartment with respect to said constant-velocity, universal joint drive, the battery being connected for charging said reversible electric machine and to an electric motor connected to said constant-velocity, universal joint drive to provide a series hybrid drive with the internal combustion engine. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
- a constant-velocity, universal joint drive longitudinally connecting said front and rear differentials;
Specification