Electricity: circuit makers and breakers – Special application – Indicating instrument
Patent
1976-04-23
1977-10-18
Scott, James R.
Electricity: circuit makers and breakers
Special application
Indicating instrument
200 83R, 200 83P, G01D 1326, H01H 3524
Patent
active
040547639
ABSTRACT:
A pressure switch incorporates a pressure gauge in which the indicator actuator is operatively connected to an element movable in response to pressure variations in the system being monitored, which element is also part of the switch operating mechanism.
REFERENCES:
patent: 1979608 (1934-11-01), DuBrie
patent: 3236963 (1966-02-01), Parmann et al.
patent: 3303302 (1967-02-01), Murphy, Jr. et al.
patent: 3358098 (1967-12-01), Hill
patent: 3736808 (1973-06-01), Reis
patent: 3890477 (1975-06-01), Saunders
Furnas Electric Company
Scott James R.
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