Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1985-09-30
1987-10-20
Braun, Leslie
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
74866, 74872, 74877, B60K 4116
Patent
active
047005904
ABSTRACT:
A control system and method for a power delivery system, such as in an automotive vehicle, having an engine coupled to a continuously variable ratio transmission (CVT). Totally independent control of engine and transmission enable the engine to precisely follow a desired operating characteristic, such as the ideal operating line for low fuel consumption. CVT ratio is controlled as a function of commanded desired system performance (e.g., power or torque) and measured actual system performance, such as CVT torque output, while engine fuel requirements (e.g., throttle position) are strictly a function of measured engine speed. Fuel requirements are therefore precisely adjusted in accordance with the ideal characteristics for any load placed on the engine. Appropriate controls prevent anomalous engine and vehicle behavior, and allow for transient start-up from rest. In order to counteract the inherent tendency of the vehicle to accelerate when the accelerator pedal is released, a microprocessor is provided for decreasing the fuel flow to the system prime mover upon a commanded decrease in power delivery.
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patent: 4539643 (1985-09-01), Suzuki et al.
patent: 4580465 (1986-04-01), Omitsu
Aisin Seiki Kabushiki Kaisha
Braun Leslie
Diehl Dwight G.
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