Energy efficient drive system

Details Energy efficient drive system Energy efficient drive system

1982-09-29

1984-08-07

Herrmann, Allan D.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74859, 74860, 74866, B60K 4118

Patent

active

044636296

ABSTRACT:
An energy efficient drive system having apparatus for determining the load power, load speed, and necessary adjustment of the drive system to obtain a minimum brake specific energy consumption. The drive system includes structure for adjusting the drive in accordance with the determined adjustment. In one form, the drive system includes a variable speed transmission and the adjustment of the drive system is effected by adjusting the transmission in accordance with a determination of the necessary adjusted speed ratio for causing the motive device speed to be a minimum. In one form, the motive device is an internal combustion engine. The adjustment of the drive system to obtain maximum efficiency may alternatively be effected by adjusting the number of active cylinders of the engine. The determination may be made by reference to input information concerning the characteristics of the motive drive. In a modified form, the adjustment is effected by a constant monitoring of the brake specific energy consumption and a resultant adjustment of the drive system to constantly seek the lowest brake specific energy consumption.

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