Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1974-06-21
1976-10-05
Scott, Samuel
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
B60K 4104
Patent
active
039837661
ABSTRACT:
A control installation for shifting back an automatically shifted planetary gear change-speed transmission in which the various speeds are adapted to be engaged by servo-devices that are actuated by a pressure medium whereby the servo-device of the speed to be engaged is brought into readiness and is fully engaged only after the determination of the correct shifting point by means of at least one feeler device as a function of the latter; a solenoid valve is coordinated to the pressure line leading to the actuating member of the servo device and is adapted to be shifted by means of a shifting pulse into a position releasing the pressure to the actuating member of the servo-device whereby the shifting pulse is triggered by at least one rotational speed transmitter which detects the rotational speed condition of a corresponding transmission member.
REFERENCES:
patent: 3662193 (1972-05-01), Braddock
patent: 3680410 (1972-08-01), Sumiyoshi et al.
patent: 3684066 (1972-08-01), Kubo et al.
patent: 3751683 (1973-08-01), Drost
patent: 3752011 (1973-08-01), Casey et al.
Forster Hans-Joachim
Gaus Hermann
Daimler-Benz Aktiengesellschaft
McKenzie, Jr. Frank M.
Scott Samuel
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