Back to results
US 11,208,141 B2Granted
Gearbox assembly for a vehicle
AssigneeZF Steering Systems Poland Sp. Z.o.o.
InventorsArtur Wojtalik, Tomasz Seneta
Life of this patent
Estimating the term…
Abstract
A gearbox assembly including a housing, an output shaft, a wheel gear that is fixed to the output shaft, and an input shaft. A torsion bar that connects the input shaft to the output shaft, an electric motor, a worm gear that is rotationally fixed to the rotor and engages the wheel gear to transfer torque from the motor to the output shaft, and a key lock assembly. A seal assembly is provided that isolates the locking collar from the wheel.
Claims4
A gearbox assembly comprising:
- a housing,
- an output shaft,
- a wheel gear that is fixed to the output shaft,
- an input shaft;
- a torsion bar that connects the input shaft to the output shaft;
- an electric motor;
- a worm gear that is rotationally fixed to the rotor and engages the wheel gear to transfer torque from the motor to the output shaft;
- and
- a key lock assembly further comprising:
- an adapter having an annular inner part that is secured to the output shaft on the side of the wheel gear facing away from the input shaft;
- an annular outer part, the outer part having a larger diameter than the inner part,
- a web that connects the inner part to the outer part, and
- a locking collar supported by the outer part of the adapter, and
- a key lock that is fixed to the housing and is movable between an extended position in which a part of the key lock engages the lock collar and a retracted position in which the part is held clear of the locking collar;
- wherein a seal assembly is provided adjacent to the housing which isolates the locking collar from the wheel gear.
12 more elements
Dependencies are inferred from the claim text.