Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1978-06-15
1979-09-04
Bell, Jr., Houston S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200332, 192 84PM, 251 65, 403DIG1, H01H 1356
Patent
active
041669398
ABSTRACT:
The present disclosure relates to a magnetically operated impulse actuator unit susceptible of assembly with a variety of conventional pneumatic limit valves or electric limit switches to respectively secure an impulse of fluid or an electric charge in the systems monitored by such valves or switches.
REFERENCES:
patent: 2623256 (1952-12-01), Feibelman
patent: 2658979 (1953-11-01), Jungholm
patent: 2904661 (1959-09-01), Roeser
patent: 3212751 (1965-10-01), Hassa
patent: 3261958 (1966-07-01), Bittner
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