Tractor type vehicle including engine and load control therefor

Earth working – Automatic power control – Motive power control

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Details

172 7, A01B 63112

Patent

active

040774759

ABSTRACT:
Load control for engine of vehicle for agricultural work with rotary working implement, for avoiding too much deviation of the working depth while preventing the engine from stopping under heavy overloading. The rotary working implement is automatically raised and lowered in accordance with the results of sensing the engine rotation and of the actual working depth. For prevention of the engine failure, the rotary working implement is unconditionally raised whenever engine rotation below a predetermined value is sensed.

REFERENCES:
patent: 3313354 (1967-04-01), Jin
patent: 3674095 (1972-07-01), Roger
patent: 3732933 (1973-05-01), Foxwell et al.
patent: 3776322 (1973-12-01), Misch et al.
patent: 3776357 (1973-12-01), Arai et al.

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