Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1982-07-27
1985-03-12
Krizmanich, George H.
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
192 358, 192103R, 192 0032, B60K 4122
Patent
active
045037345
ABSTRACT:
An arrangement for regulating the torque transmitted by friction type gear shifting elements whereby, at every point in time throughout a previously specified time duration of a gear shifting operation, the clutch torque which is necessary at that point in time and is defined as a minimum torque, is computed utilizing measured values of an input and output rotational speed of a change-speed transmission or a gearbox, as well as measured values of an operating pressure of the friction-type gear shifting elements. At the minimum torque the relative rotational speed of the parts of the friction-type gear shifting elements, for example, parts of a friction-type clutch, a difference between an input and output speed of the change-speed transmission or gearbox remains constant. At the same time, an additional torque is computed in accordance with a prespecified function. The operating pressure of the friction-type gear shifting elements is then adjusted analogously to an output signal U, with the output signal being an analog of a sum of the necessary torque and additional torque.
REFERENCES:
patent: 3898893 (1975-08-01), Hashimoto et al.
patent: 3942393 (1976-03-01), Forster et al.
patent: 3956947 (1976-05-01), Leising et al.
patent: 4106368 (1978-08-01), Ivey
Daimler-Benz Aktiengesellschaft
Krizmanich George H.
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