PTO brake
AssigneeEaton Corporation
InventorMike Romine
Life of this patent
Estimating the term…
Abstract
An embodiment includes a method of engaging a PTO with a drivetrain includes detecting a value representative of the speed of a PTO output gear, and detecting a value representative of the speed of a PTO input gear. The method further includes reducing the speed of one of the PTO output gear and the PTO input gear, and engaging the PTO input gear with the PTO output gear without the use of a clutch to synchronize the speed of the PTO input gear with the PTO output gear.
Claims20
A powertrain system comprising:
- a multispeed transmission defining a plurality of speed ratios;
- a power take off (PTO) having a PTO input member selectively rotationally engaged with a PTO output member;
- an inertia brake for reducing the speed of the PTO input member;
- and
- a controller in communication with the detection system and having an output for actuating the inertia brake and an output for engaging the PTO input member with the PTO output member, wherein the inertia brake selectively reduces the rotational speed of a transmission component for engaging the PTO input member with the PTO output member.
A method of operating a drivetrain system, the drivetrain including a PTO and a transmission having multiple speed ratios and an inertia brake, the PTO including a PTO output member engageable with a PTO input member, the method comprising:
- reducing the speed of one of the PTO output member and the PTO input member with an inertia brake;
- and
- engaging the PTO input member with the PTO output member without the use of a friction clutch to synchronize the speed of the PTO input member with the PTO output member.
A method of operating a drivetrain, the drivetrain including a multispeed transmission, an engine, and a main clutch operably interposed between the engine and the transmission, the method comprising:
- detecting a value representative of the speed of a PTO output member;
- detecting a value representative of the speed of a PTO input member;
- reducing the speed of one of the PTO output member and the PTO input member with an inertia brake;
- and
- engaging the PTO input member with the PTO output member without the use of a friction clutch to synchronize the speed of the PTO input member with the PTO output member.
The method of claim 19, wherein reducing the speed of a transmission rotational component with the inertia does not involve stopping the rotation of the transmission rotational component.
Dependencies are inferred from the claim text.