High speed current maximum tripping device

Details High speed current maximum tripping device High speed current maximum tripping device

1985-03-20

1986-08-12

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335279, H01F 708

Patent

active

046059180

ABSTRACT:
A high speed current maximum tripping device, comprising a fixed core and a mobile core with complementary shapes and disposed in the same plane while defining an air gap therebetween. The fixed and mobile cores are obtained by flat stamping and have complementary profiles of a generally curvilinear shape with sides whose slope with respect to the main axis of the projecting core increases progressively from the nose towards the body.

REFERENCES:
patent: 2992304 (1961-07-01), Andrews
patent: 3593240 (1971-07-01), Garczynski
patent: 4491816 (1985-01-01), Blum

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