192 clutches and power-stop control – Clutches – Progressive engagement
Patent
1988-03-28
1989-07-04
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Progressive engagement
192107R, 192107M, 74339, F16D 2306
Patent
active
048442186
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 frustonconical surface (62) in a manner preserving 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: 3921469 (1987-11-01), Richards
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
patent: 4762216 (1988-08-01), Pusatcioglu et al.
Bonck Rodney H.
Eaton Corporation
Rulan P. S.
Testardi David A.
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