Balanced piston clutch
AssigneeCNH Industrial America LLC
InventorsDaniel Payne, Filippo Bonacini, Stefano Iannone, Enrico Sedoni
Life of this patent
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Abstract
A clutch assembly for a transmission of an agricultural work vehicle. The clutch assembly includes a housing, a clutch pack located within the housing, a piston chamber located within the housing, and a piston located within and slidable relative to the piston chamber. The piston is operably connected to the clutch pack for engaging and disengaging the clutch pack. The clutch assembly further includes a balance chamber that is located within the housing. The lower boundary wall of the balance chamber and the lower boundary wall of the piston chamber are radially separated from one another by a substantial distance.
Claims18
A clutch assembly for a transmission of an agricultural work vehicle, comprising:
- a housing;
- a clutch pack located within the housing;
- a piston chamber located within the housing and comprising a lower boundary wall and an upper boundary wall;
- a piston located within and slidable relative to the piston chamber, and the piston being operably connected to the clutch pack for engaging and disengaging the clutch pack;
- and
- a balance chamber located within the housing and comprising a lower boundary wall and an upper boundary wall, and the lower boundary wall of the balance chamber and the lower boundary wall of the piston chamber being radially separated from one another by a substantial distance, which is at least 20 mm (0.78 inches).
An agricultural work vehicle, comprising:
- a chassis;
- and
- a transmission supported by the chassis and comprising at least one clutch assembly, the at least one clutch assembly comprising:
- a housing;
- a clutch pack located within the housing;
- a piston chamber located within the housing and comprising a lower boundary wall and an upper boundary wall;
- a piston located within and slidable relative to the piston chamber, and the piston being operably connected to the clutch pack for engaging and disengaging the clutch pack;
- and
- a balance chamber located within the housing and comprising a lower boundary wall and an upper boundary wall, and the lower boundary wall of the balance chamber and the lower boundary wall of the piston chamber being radially separated from one another by a substantial distance, which is at least 20 mm (0.78 inches).
Dependencies are inferred from the claim text.