Brakes – Wheel – Axially movable brake element or housing therefor
Patent
1998-10-21
2000-09-12
Schwartz, Chris
Brakes
Wheel
Axially movable brake element or housing therefor
192 7012, 1921133, 192107M, F16D 1360, F16D 5536
Patent
active
06116383&
ABSTRACT:
A disc pack for a wet disc brake assembly includes a plurality of rotating discs. The rotating discs adjacent the axial end of the disc pack are formed of a lower co-efficient of friction material than more centrally located discs. In this way, the wear across the disc pack is more uniform, and a greater load can be carried. In addition, in this way the centrally located discs provide greater braking work than they would if they had the same co-efficient of friction as the axially outermost discs. Applicant has determined that the axially outermost discs see greater force from the braking components, and thus would perform more work than the central discs given equal co-efficients of friction. In this way, the useful life of the disc pack is increased since more work is done by the central discs and wear is more uniform.
REFERENCES:
patent: 4609076 (1986-09-01), Collins et al.
patent: 5295560 (1994-03-01), Moseley
patent: 5323880 (1994-06-01), Wells et al.
patent: 5509507 (1996-04-01), Wells et al.
patent: 5535870 (1996-07-01), Takezaki et al.
patent: 5551534 (1996-09-01), Smithberger et al.
Bissonnette Lee A.
Stringer, III Theodore H.
Meritor Heavy Vehicle Systems LLC
Schwartz Chris
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