Friction assemblies for use in planetary transmissions

Details Friction assemblies for use in planetary transmissions Friction assemblies for use in planetary transmissions

1980-09-16

1983-01-18

Herrmann, Allan D.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

188 715, 188 723, 188 732, 192 7019, 192 7028, 192 85AA, F16H 5710, F16D 5540

Patent

active

043686524

ABSTRACT:
A reversible friction plate including a generally circular, disk-like member having generally parallel, opposed friction surfaces, an opening in the center of the member, at least three, equally angularly spaced tangs extending radially outwardly from the periphery of the member, reaction member receiving apertures in each tang displaced from the center thereof in the circumferential direction, the reaction member receiving apertures in each tang being equally angularly spaced, and a spring mounting formation on each tang displaced from the center thereof in the circumferential direction oppositely from the reaction member receiving apertures. Also disclosed is a friction pack utilizing a plurality of the friction plates and a planetary gear transmission employing such a friction pack which eliminates precision machining in the fabrication thereof.

REFERENCES:
patent: 1554394 (1925-09-01), White
patent: 2729319 (1956-01-01), Friedman
patent: 2861482 (1958-11-01), Schjolin
patent: 2981126 (1961-04-01), Kelley
patent: 3292758 (1966-12-01), Polak
patent: 3537556 (1970-11-01), Pleffer
patent: 3596537 (1971-08-01), Koivunen
patent: 3747729 (1973-07-01), Storer, Jr.
patent: 3937303 (1976-02-01), Allen et al.

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