Motor vehicle transmission

Details Motor vehicle transmission Motor vehicle transmission

1982-05-18

1985-02-12

Herrmann, Allan D.

Machine element or mechanism

Gearing

In series plural interchangeably locked nonplanetary units

74339, 74331, 74335, 74360, 74 1563, F16H 302, F16H 308, F16H 338

Patent

active

044983565

ABSTRACT:
A motor vehicle transmission comprising a speed and range sections connected via a master clutch, provides all speed selections on-the-go, i.e. without stopping the motor vehicle. An engine driven input shaft extending through the speed transmission section carries a pair of drive clutch packs for power shifting of the speeds. The power shifting between the clutch packs on this shift requires no master clutch engagement or disengagement. The plurality of speed which are not power shifted engage via gear synchronizers which require the disengagement of the master clutch while vehicle is still on-the-go. The disengagement of the master clutch simultaneously disengages the clutches in the drive clutch pack and is sequenced in such a manner that re-engagement of the master clutch follows the re-engagement of the drive clutch packs.

REFERENCES:
patent: 2355624 (1944-08-01), Bullard et al.
patent: 2710546 (1955-06-01), Du Shane et al.
patent: 2932202 (1960-04-01), Rinkema
patent: 3682019 (1972-08-01), Hoyer et al.
patent: 3736813 (1973-06-01), Kress et al.
patent: 3944035 (1976-03-01), McRay
patent: 4031762 (1977-06-01), Shellberg
patent: 4116090 (1978-09-01), Zenker

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