TORQUE CONVERTER LOCKUP CLUTCH BACKING PLATE
First Claim
Patent Images
1. A backing plate assembly comprising:
- a front cover and a rear cover, the front cover defining an inner surface and a front plane, and the rear cover terminating at a lip; and
a backing plate forming a body having an outer surface that terminates at a base portion;
wherein, when the outer surface is coupled to the inner surface, the backing plate is rotationally but not axially coupled to the front cover;
further wherein, the lip contacts the base portion to define a maximum axial distance between the backing plate and the front plane.
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Abstract
A backing plate assembly includes a front cover and a rear cover. The front cover defines an inner surface and a front plane, and the rear cover terminates at a lip. A backing plate forms a body having an outer surface that terminates at a base portion. When the outer surface is coupled to the inner surface, the backing plate is rotationally but not axially coupled to the front cover. The lip contacts the base portion to define a maximum axial distance between the backing plate and the front plane.
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Citations
19 Claims
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1. A backing plate assembly comprising:
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a front cover and a rear cover, the front cover defining an inner surface and a front plane, and the rear cover terminating at a lip; and a backing plate forming a body having an outer surface that terminates at a base portion; wherein, when the outer surface is coupled to the inner surface, the backing plate is rotationally but not axially coupled to the front cover; further wherein, the lip contacts the base portion to define a maximum axial distance between the backing plate and the front plane. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A torque converter lockup clutch backing plate comprising:
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a backing plate assembly having a backing plate surface coupled to a splined outer wall; a front cover having a splined inner wall; a back cover having a lip; a damper having an outer surface; and a clutch assembly that mechanically couples the backing plate surface to the damper when the clutch assembly is in an engaged position; wherein, the splined outer wall rotationally couples the backing plate assembly to the splined inner wall; further wherein the backing plate assembly can move axially when the splined outer wall rotationally couples the backing plate assembly to the splined inner wall of the front cover. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A method of assembling a torque converter assembly, comprising:
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placing a nose hub on a build table so an axis of rotation is perpendicular to a level surface of the build table; axially aligning a front cover with the nose hub and placing the front cover onto the nose hub; coupling the front cover to the nose hub; placing a piston and at least one clutch plate or reaction plate into the front cover; placing a damper in the front cover in alignment with the clutch plate or reaction plate; aligning a backing plate with splines in the front cover and placing the backing plate into the front cover; placing a first bearing onto a back portion of the nose hub; axially aligning a turbine assembly with the nose hub and placing the turbine assembly against the first bearing; placing a second bearing onto a hub of the turbine assembly; axially aligning a stator assembly with the nose hub and placing the stator assembly on the second bearing; placing a third bearing onto a hub of the stator assembly; axially aligning a rear cover with the nose hub and placing the rear cover onto the third bearing; and setting clearances for a clutch assembly by lifting the rear cover a desired distance away from the front cover before coupling the rear cover to the front cover. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification