Vibration mitigation in vehicle using gear clutch control
AssigneeFca US LLC
InventorWilliam R Mayhew
Life of this patent
Estimating the term…
Abstract
A vehicle system for reducing vibrations on a vehicle includes an engine connected to an automatic transmission through a turbine of a torque converter clutch. A gearset is associated with the transmission and includes a sun gear, a ring gear and a pinion carrier. A gear clutch has a first clutch component fixed to a case of the transmission and a second clutch component fixed to the gearset. The first and second clutch components are configured to slip based on an enable condition being satisfied thereby mitigating vibrational modes experienced within the vehicle system.
Claims18
A vehicle system for reducing vibrations on a vehicle, the vehicle system comprising:
- an engine connected to an automatic transmission through a turbine and a torque converter clutch;
- a gearset associated with the transmission and having a sun gear, a ring gear and a pinion carrier;
- and
- a gear clutch having a first clutch component fixed to a case of the transmission and a second clutch component fixed to the ring gear of the gearset, wherein the first and second clutch components are configured to slip based on an enable condition being satisfied thereby mitigating vibrational modes experienced within the vehicle system.
A method of reducing vibrations on a vehicle, the method comprising:
- providing an engine connected to an automatic transmission through a turbine and a torque converter clutch;
- a gearset associated with the transmission and having a sun gear, a ring gear and a pinion carrier;
- and a gear clutch having a first clutch component fixed to a case of the transmission and a second clutch component fixed to the gearset;
- and
- initiating relative movement between the first clutch component and the second clutch component based on a revolutions per minute of the turbine, wherein the relative movement between the first clutch component and the second clutch component mitigates vibrational modes experienced on the vehicle.
A vehicle system for reducing vibrations on a vehicle, the vehicle system comprising:
- an engine connected to an automatic transmission through a turbine and a torque converter clutch;
- a gearset associated with the transmission and having a sun gear, a ring gear and a pinion carrier, wherein a mass of the vehicle acts on the gearset causing a rotational inertia onto the gearset;
- and
- a gear clutch having a first clutch component fixed to a case of the transmission and a second clutch component fixed to the gearset, wherein the first and second clutch components are configured to slip based on an enable condition being satisfied thereby mitigating vibrational modes experienced within the vehicle system.
Dependencies are inferred from the claim text.