192 clutches and power-stop control – Clutches – Progressive engagement
Patent
1978-12-26
1981-02-24
Byers, Jr., Nile C.
192 clutches and power-stop control
Clutches
Progressive engagement
74339, F16D 1100
Patent
active
042522234
ABSTRACT:
Disclosed is a power shift transmission having torque converter, an input shaft driven by the torque converter, a countershaft in continuous driving relation with the input shaft, an output shaft having first, second, and third speed ratios journaled thereon and driven via the countershaft, a reverse speed ratio gear splined to the output shaft and driven via a gear on an idler shaft driven by the countershaft, a first friction clutch mechanism for connecting the first speed ratio gear to the output shaft, a second friction clutch mechanism for connecting the output shaft directly to the input shaft, a blocker-clutch assembly for coupling the second and third speed ratio gears to the output shaft, and an actuator assembly for shifting the blocker-clutch assembly into and out of coupling engagement. The friction clutches are momentarily engageable to relieve driving and coast mode torque on the blocker-clutch and to synchronize the blocker-clutch. An alternative embodiment of the transmission includes a torque converter driven shaft for driving the countershaft and a torque converter bypass shaft which is connected directly to the output shaft via the second friction clutch mechanism.
REFERENCES:
patent: Re29601 (1978-04-01), Richards
patent: 2222144 (1940-11-01), Ferris
patent: 2501286 (1950-03-01), Mirossay
patent: 2723735 (1955-11-01), Banker
patent: 2753728 (1956-07-01), Kelbel
patent: 2761325 (1956-09-01), Short
patent: 2978083 (1961-04-01), Henyon
patent: 3478851 (1969-11-01), Smyth
patent: 3589483 (1971-06-01), Smith
patent: 3692163 (1972-09-01), Ruettinger
patent: 3695403 (1972-10-01), Eastwood
patent: 3910131 (1975-10-01), Richards
patent: 3910390 (1975-10-01), Eichinger
patent: 4060005 (1977-11-01), Bost
Byers Jr. Nile C.
Eaton Corporation
McCloskey R. J.
Rulon P. S.
Wood D.
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