Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1973-03-13
1978-05-16
Scott, Samuel
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74761, 74763, 74765, F16H 5710
Patent
active
040892387
ABSTRACT:
A planetary gear change-speed transmission, especially for motor vehicles in which a first group consisting of planetary gear sets provides three forward speeds and a reverse speed with one of the elements of the first group constituting a common input member for all forward speeds and another element forming the input member for the reverse speed, whereby both input members are adapted to be connected with the driving engine by way of a clutch, and in which a second group consisting of sun gear, ring gear and planet gear arranged on a carrier is operatively connected with the first group in such a manner that the output of the second group is rigidly connected with the output of the first group, the second element of the second group is adapted to be braked while a third element is adapted to be connected with a further member of the first group so as to produce four forward speeds and a reverse speed which can be engaged without group-change.
REFERENCES:
patent: 2176138 (1939-10-01), Kelley
patent: 2748622 (1956-06-01), Syrovy et al.
patent: 3300001 (1967-01-01), Stockton
patent: 3730022 (1973-05-01), O'Malley
Forster Hans-Joachim M.
Hensel Werner
Zaiser Wolfgang
Chandler Lance W.
Daimler-Benz Aktiengesellschaft
Scott Samuel
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