Electromagnet for controlling the metering valve of a fuel injec

Details Electromagnet for controlling the metering valve of a fuel injec Electromagnet for controlling the metering valve of a fuel injec

1994-12-28

1997-03-04

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335279, 25112901, 419 45, H01F 300

Patent

active

056083688

ABSTRACT:
The metering valve is controlled by an electromagnet having a fixed core, a oil, and an armature. The core is formed by pressing and subsequently sintering a mixture of powdered ferrous material and an epoxy binder; and presents a low magnetic hysteresis and low parasitic currents, so that, for a given energizing current, a greater magnetic force is achieved and more rapidly, and, for a given magnetic force or maximum operating frequency, the core and/or coil may be made smaller.

REFERENCES:
patent: 4232283 (1980-11-01), Werst
patent: 5160447 (1992-11-01), Ishikawa
patent: 5534220 (1996-07-01), Purnell et al.
Patent Abstracts of Japan, vol. 16, No. 420 (E 1259) Sep. 4, 1992).

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