Continuous yarn laid wet friction material
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United States of America Patent
Stats
-
Dec 14, 2004
Grant Date -
Jan 16, 2003
app pub date -
Jul 10, 2002
filing date -
Jul 10, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A friction disk suitable for running as an assembly of interleaved disks in a transmission is disclosed. A rigid metallic core on backing plate is covered on one or both sides with a wafer of non-woven yarn wherein the yarn comprises a continuous wound length of heat resistant yarn in a non-overlapping fashion. The yarn is bonded to the core by a thermosetting resin, which is impregnated into the yarn by less than 80% by weight to preserve porosity and allowing penetration of the cooling transmission fluid. The yarn preferably is composed of carbon fibers or filaments.
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