Resilient friction material

Details Resilient friction material Resilient friction material

1989-11-02

1991-07-23

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Progressive engagement

192107M, 192107R, F16D 1364, F16D 6902

Patent

active

050335960

ABSTRACT:
A blocker-clutch assembly (10) includes an openly porous, pyrolytic carbon composite friction material (74) configured for optimum performance and, therefore, prevention or substantial prevention of nonsynchronous engagement of positive clutch members (12,14) due to premature unblocking of blocker tooth ramps (48-54). The composite friction material is formed to be resilient in direction normal to its friction surface (76b), is cut into segments (76), is bonded to a frustoconical surface (62) in a manner preseving the resiliency and with the segments circumferentially spaced apart, and is configured to control engagement force thereon in a range of 150-300 pounds per square inch (10-20 Kg/cm.sup.2).

REFERENCES:
patent: 2059935 (1936-11-01), Eason
patent: 2144674 (1939-01-01), Campbell
patent: 2150498 (1939-03-01), Thomson
patent: 2319740 (1943-05-01), Lapsley et al.
patent: 2518734 (1950-08-01), Wemp
patent: 3498417 (1970-03-01), Schmid
patent: 3983979 (1976-10-01), Richards
patent: 4141440 (1979-02-01), Richards
patent: 4176736 (1979-12-01), Richards et al.
patent: 4291794 (1981-09-01), Bauer
patent: 4700823 (1987-10-01), Winckler
patent: 4703667 (1987-11-01), Richards

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