Delphi Technologies, Inc.

Kenneth B Dunlap

Robert S Ballinger

Michael Riehle

A disc brake including a pair of friction plates arranged coaxially in a parallel, spaced-apart relationship and a plurality of vanes extending between the pair of friction plates, each of said vanes having a proximal end, a distal end and a mid-portion extending between the proximal end and the distal end, the proximal ends of a plurality of the vanes having a first width, the mid-portion having a second width, the first width being substantially greater than the second width. The vanes can include a T-shaped portion adjacent the proximal end.

Disc brake rotor

A disc brake including a pair of friction plates arranged coaxially in a parallel, spaced-apart relationship and a plurality of vanes extending between the pair of friction plates, each of the vanes having a proximal end, a distal end and a mid-portion extending between the proximal end and the distal end, the proximal ends of a plurality of the vanes having a first width, the mid-portion having a second width, the first width being substantially greater than the second width. The vanes can include a T-shaped portion adjacent the proximal end.

A disc brake including a pair of friction plates arranged coaxially in a parallel, spaced-apart relationship and a plurality of vanes extending between the pair of friction plates, each of the vanes having a proximal end, a distal end and a mid-portion extending between the proximal end and the distal end, at least one of the distal end and the proximal end of at least half the vanes having a first cross-sectional area, the mid-portion having a second cross-sectional area, the first cross-sectional area being substantially greater than the second cross-sectional area. The vanes can include a T-shaped portion adjacent the distal end. The vanes can include an hourglass shaped portion. The vanes may taper from the distal end to the proximal end. The vanes can include a thicker cross-section adjacent a peripheral portion of the rotor.

The present invention provides a brake rotor including a central disc portion and an extending portion located at a periphery of the central disc portion. A friction portion having a first friction plate is attached to the extending portion and a second friction plate is attached to the first friction plate. The extending portion can be a &ldquo;U&rdquo; shaped configuration adapted to allow the first friction plate to expand in a radial direction in an amount substantially equal to the second friction plate under a condition of elevated temperature.

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Springfield, OH, United States of America

Kenneth B Dunlap