Coiled clutch friction member with dual-directional moduli...

Details Coiled clutch friction member with dual-directional moduli... Coiled clutch friction member with dual-directional moduli...

2006-02-07

2006-02-07

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Elements

Engaging surfaces

C192S10700R, C192S10700R, C192S113340

Reexamination Certificate

active

06994198

ABSTRACT:
A clutch friction member for engagement in a torque-transmitting mechanism includes a friction surface for sliding contact with an opposing reaction member. The sliding contact is characterized by a coefficient of friction and acts to engage the friction member with the reaction member. The friction member is formed from a plurality of coiled cords, each defining a first channel disposed in a first direction, preferably substantially normal to the sliding contact, and transporting lubricant through the clutch friction member in the first direction, to increase the coefficient of friction. The coiled cords are arranged adjacent to one another to form an annular ring. The friction member has second channels disposed in a second direction, preferably substantially parallel to the sliding contact, for transporting the lubricant through the friction member in the second direction. The second channels thereby decrease vibrational shudder resulting from the sliding contact.

REFERENCES:
patent: 1493433 (1924-05-01), Guay et al.
patent: 1614200 (1927-01-01), Kattwinkel
patent: 2150937 (1939-03-01), Novak
patent: 2648618 (1953-08-01), Palumbo
patent: 5096661 (1992-03-01), Lang
patent: 5615758 (1997-04-01), Nels
patent: 5662993 (1997-09-01), Winckler
patent: 5842551 (1998-12-01), Nels
patent: 6132877 (2000-10-01), Winckler et al.
patent: 2003/0012940 (2003-01-01), Bowles et al.

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