Electromagnet for fuel injection systems

Details Electromagnet for fuel injection systems Electromagnet for fuel injection systems

1987-02-02

1988-02-02

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

25112908, 25112916, F15B 13044

Patent

active

047223642

ABSTRACT:
A 3/3 way control valve including a three-stage electromagnet for controlling a hydraulic working cylinder that actuates a control member of an injection system, including a winding of the electromagnet the axis of which extends crosswise to the axis of an armature and directional control valve and in which the pole pieces of the pole legs of the yoke are unequally polarized. The armature is actuated counter to a restoring spring and slides between two corresponding cylindrical hollow faces of the pole pieces which act as a proportional magnet, and in which the winding and in part the yoke have an extrusion coat of insulating plastic.

REFERENCES:
patent: 1652329 (1927-12-01), Saives
patent: 1664613 (1928-04-01), French
patent: 4655254 (1987-04-01), Hafner
SAE-Paper No. 850170, "High-Pressure Injection Pumps with Electronic Control for Heavy-Duty Diesel Engines" by R. Schwartz, Robert Bosch GmbH, pp. 11 and 12, FIG. 19, Feb. 25-Mar. 1, 1985.

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