192 clutches and power-stop control – Clutches – Plural clutch-assemblage
Patent
1978-12-01
1981-02-17
Herrmann, Allan D.
192 clutches and power-stop control
Clutches
Plural clutch-assemblage
74339, 74665P, 192 67A, F16D 2310, F16D 2100
Patent
active
042509858
ABSTRACT:
A power transmission system comprises a synchronous main toothed clutch 20 and a subsidiary toothed clutch 21 arranged in parallel in main and subsidiary power paths 6, 7 respectively between an input shaft 1 and an output shaft 2. When the main clutch 20 is engaged this causes engagement of the subsidiary clutch 21. The main power path 6 has a torsional stiffness which is substantially less than that of the subsidiary power path 7 over at least an initial part of the range of torque loading between zero and full power, such that at full power or at a pre-determined proportion of full power the main power path 6 and the subsidiary power path 7 transmit substantially the same load.
REFERENCES:
patent: 3326056 (1967-06-01), Clements et al.
patent: 3620336 (1971-11-01), Clements
Herrmann Allan D.
S.S.S. Patents Limited
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