Solenoid valve with spherical armature

Details Solenoid valve with spherical armature Solenoid valve with spherical armature

2007-03-27

2007-03-27

Bastianelli, John (Department: 3753)

Valves and valve actuation

Electrically actuated valve

Including solenoid

C303S119200, C335S280000

Reexamination Certificate

active

10927917

ABSTRACT:
A valve includes a valve body, a flux tube, and a winding. The body defines first and second passageways, and a circular opening is defined in the second passageway providing fluid communication between the passageways. The flux tube has a closed end, an open end, and a hollow armature receiving section. The open end is in fluid communication with the first passageway. A spherical armature is disposed in the armature receiving section for reciprocating movement between a closed position sealing against the circular opening to prevent communication between the passageways and an open position spaced apart from the opening permitting communication between the passageways. The winding is disposed about the flux tube for electromagnetically positioning the armature. The flux tube forms a fluid tight pressure boundary between the winding and the passageways. A spring urges the armature toward one of the open position and the closed position.

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