Electromagnetically actuatable fuel-injection valve

Details Electromagnetically actuatable fuel-injection valve Electromagnetically actuatable fuel-injection valve

1986-10-28

1988-07-26

Cox, Ronald B.

Stone working

Turning

Grinding-wheel dressing

251 84, 251 88, 25112919, 239585, F02B 300

Patent

active

047593318

ABSTRACT:
In an electromagnetically actuatable fuel-injection valve for injection systems of internal-combustion engines, the valve has an electromagnet, an armature, and a closure element which is operatively connected to a spring and the armature. The closure element is connected to a valve needle by a connection permitting displacement perpendicularly to the axis of the valve needle. The closure element, which has the shape of a spherical segment, is preferably displaceable while overcoming static friction so that automatic adjustment takes place only upon being placed initially in operation, and upon subsequent changes in mating surfaces of closure element and valve seat.

REFERENCES:
patent: 293355 (1884-02-01), Rappold
patent: 391445 (1988-10-01), Williams
patent: 664368 (1900-12-01), Grosse
patent: 1626532 (1927-04-01), Heitemann
patent: 1942417 (1934-01-01), Ferlin
patent: 2283076 (1942-05-01), Mattimore
patent: 2752937 (1956-07-01), Hieger
patent: 3310277 (1967-03-01), Nielsen
patent: 3558098 (1971-01-01), Puster
patent: 3936030 (1976-02-01), Putschky
patent: 4218021 (1980-08-01), Palma

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