Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1990-08-15
1991-12-10
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74335, 200 6188, B60K 2000, F16N 314
Patent
active
050707400
ABSTRACT:
A shifting arrangement for an automatic transmission of a motor vehicle, which is influenced by an electronic control unit, comprises a selector lever which can be pivoted in two shifting paths. Via the selector lever, operating positions and automatically shifting transmission gears can be selected in the first shifting path. In the second shifting path, individual gears can be shifted in such a manner (step-by-step shifting) that upshifting and return shifting may take place from a center position of the selector lever. The individual gears are shifted using the selector lever by electronic sensors. These sensors are formed by switches which interact with devices which try to hold the selector lever in its neutral center position.
REFERENCES:
patent: 1541021 (1925-06-01), Bachle
patent: 3527116 (1970-09-01), Kimberlin
patent: 4091372 (1978-05-01), Blaha et al.
patent: 4590817 (1986-05-01), Bennett
Giek Manfred
Schuette Hans-Dieter
Dr. Ing. h.c.F. Porsche AG
Herrmann Allan D.
Laub David W.
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