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US 12,215,772 B2Granted
Multi-speed gearbox and assembly method
AssigneeDana Heavy Vehicle Systems Group, LLC
InventorsJordan M. Houser, William F. Waltz, Nicholas W. Smallman
Life of this patent
Estimating the term…
Abstract
Methods and systems for a clutch cartridge are provided. The clutch cartridge includes, a dog clutch including a clutch ring slidingly engaged with a tube shaft and including a first toothed interface and a second toothed interface, where the dog clutch is designed to selectively engage a first gear and a second gear. The clutch cartridge further includes a first bearing coupled to the tube shaft and the first gear and a second bearing coupled to the tube shaft and the second gear.
Claims19
A clutch cartridge, comprising:
- a dog clutch including:
- a clutch ring with a splined interface at an inner diameter, wherein the splined interface of the clutch ring is directly slidingly engaged with an outer diameter of a tube shaft, wherein the clutch ring includes a first toothed interface and a second toothed interface, and wherein the first toothed interface and the second toothed interface are positioned on opposing axial sides of the clutch ring;
- wherein the dog clutch is designed to:
- selectively engage the first toothed interface with a first gear toothed interface on a first gear, and
- selectively engage the second toothed interface with a second gear toothed interface on a second gear;
- a first bearing coupled to the tube shaft and the first gear;
- and
- a second bearing coupled to the tube shaft and the second gear;
- wherein the first gear includes teeth on an outer circumference;
- wherein the second gear includes teeth on an outer circumference;
- and
- wherein the tube shaft includes an interior splined section and a locational clearance fit section at an inner diameter that are profiled to couple to a pinion shaft.
9 more elements
A multi-speed gearbox assembly, comprising:
- a clutch cartridge, comprising:
- a dog clutch including a clutch ring slidingly engaged with an outer diameter of a tube shaft via a splined interface;
- wherein the dog clutch is designed to selectively engage a first gear and a second gear;
- and
- a first bearing coupled to the tube shaft and the first gear;
- and
- a second bearing coupled to the tube shaft and the second gear;
- wherein the first gear includes teeth on an outer circumference;
- wherein the second gear includes teeth on an outer circumference;
- wherein the dog clutch, the tube shaft, the first bearing, and the second bearing form a continuous structure;
- wherein the tube shaft includes an interior splined section and a locational clearance fit section that are positioned at an inner diameter and are profiled to couple to an outer diameter of a pinion shaft;
- and
- wherein the clutch ring includes a first toothed interface and a second toothed interface which are positioned on opposing axial sides of the clutch ring.
10 more elements
A method for assembling a multi-speed gearbox assembly, comprising:
- attaching a clutch ring of a dog clutch, a first gear, a second gear to an outer diameter of a tube shaft to form a clutch cartridge;
- and
- coupling an inner diameter of the clutch cartridge to a pinion shaft;
- wherein the first gear includes teeth on an outer circumference;
- wherein the second gear includes teeth on an outer circumference;
- wherein the clutch ring includes a splined interface at an inner diameter;
- wherein the splined interface of the clutch ring is attached to the outer diameter of the tube shaft;
- wherein the tube shaft includes an interior splined section and a locational clearance fit section at an inner diameter that are profiled to couple to the pinion shaft;
- wherein attaching the first gear and the second gear to the tube shaft includes attaching a first bearing and a second bearing to the tube shaft and attaching the first and second gears to the first bearing and the second bearing;
- and
- wherein the clutch ring includes a first toothed interface and a second toothed interface which are positioned on opposing axial sides of the clutch ring.
8 more elements
Dependencies are inferred from the claim text.