Electricity: circuit makers and breakers – Special application – Container contents level responsive
Patent
1975-05-19
1976-08-17
Tollberg, Stanley H.
Electricity: circuit makers and breakers
Special application
Container contents level responsive
H01H 3500
Patent
active
039756050
ABSTRACT:
A particulate material supply detector including a sensor element arranged to be located in particulate material in a compartment and to be displaceable by movement of the particulate material past the sensor element, the position of the sensor element being dependent on the supply of particulate material in the compartment; and actuating means operatively connected to the sensor element and arranged to perform a required operation when a predetermined minimum supply is reached.
REFERENCES:
patent: 2611044 (1952-09-01), Siemon
patent: 2640361 (1953-06-01), Scray, Sr.
patent: 2745920 (1956-05-01), Keephart
patent: 3148253 (1964-09-01), Carter
patent: 3818159 (1974-06-01), Evans et al.
Pienaar Jacobus Francois
van Eeden Stephanus Jacobus Daniel
South African Coal, Oil & Gas Corporation Limited
Tollberg Stanley H.
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