Clutch temperature monitor

Details Clutch temperature monitor Clutch temperature monitor

1982-05-17

1984-12-11

Crosland, Donnie L.

Communications: electrical

Selective

Having indication or alarm

340 52R, 340 60, 340501, 340588, 340679, 73510, 74856, 180177, 180278, 374102, 374141, 374144, 192 351, 192 30W, B60Q 100, G08B 2300

Patent

active

044881401

ABSTRACT:
An agricultural vehicle, such as a tractor, includes an engine and a hydraulic assist-type transmission coupled together by a clutch. A monitor includes sensors for sensing engine speed, clutch temperature and transmission temperature. Warning signals are generated if the clutch temperature is continuously and at least a certain amount hotter than the transmission temperature for a certain time period. The warning signals are disabled if the engine speed is less than a threshold and for a certain time interval after the engine speed exceeds the threshold.

REFERENCES:
patent: 3704458 (1972-11-01), Buchanan et al.
patent: 3893108 (1975-07-01), McBride, Jr. et al.
patent: 3906437 (1975-09-01), Brandwein et al.
patent: 3944969 (1976-03-01), Arai et al.
patent: 4184146 (1980-01-01), Fratzke et al.

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