Manually-controlled pneumatically-actuated electric motor starte

Details Manually-controlled pneumatically-actuated electric motor starte Manually-controlled pneumatically-actuated electric motor starte

1976-09-02

1977-09-20

Miller, J D

Electricity: electrical systems and devices

Safety and protection of systems and devices

Motor protective condition responsive circuits

361116, H02H 7085

Patent

active

040500918

ABSTRACT:
A manually-controlled, pneumatically-actuated electric motor starter and overload protection system wherein actuation and automatic overload protection are accomplished wholly pneumatically without any electromagnetic actuating circuitry so as to render the system more reliable and shockproof regardless of age or deterioration.

REFERENCES:
patent: 2078784 (1937-04-01), Willheim
patent: 2562847 (1951-07-01), Spencer
patent: 3073931 (1963-01-01), Leeds
patent: 3083277 (1963-03-01), Tsutsui et al.
patent: 3816800 (1974-06-01), Ringler et al.

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