Abstract: The invention concerns an electrovalve proportional to a field current supplying the field coil (5) axially enclosing a mobile core (76), whereto is secured a push rod (16) sliding in a polar component (9) of the fixed magnetic circuit co-operating with the field coil, actuating a shutter (2, 3) comprising at least a valve (25, 26) co-operating with a seat (28, 29) to open and close the shutter, return means (32, 33) providing it with a stable neutral position relative to the seal when the field current is null, each valve being coaxial to the push rod and actuated thereby. The invention is characterized in that the mechanical linkage between the stem of each valve (17, 27) and, either the stem of the adjacent valve, or the push rod, constitutes a punctual contact.

Abstract: The invention concerns an electrovalve proportional to a field current supplying the field coil (5) axially enclosing a mobile core (76), whereto is secured a push rod (16) sliding in a polar component (9) of the fixed magnetic circuit co-operating with the field coil, actuating a shutter (2, 3) comprising at least a valve (25, 26) co-operating with a scat (28, 29) to open and close the shutter, return means (32, 33) providing it with a stable neutral position relative to the seal when the field current is null, each valve being coaxial to the push rod and actuated thereby. The invention is characterised in that the mechanical linkage between the stem of each valve (17, 27) and, either the stem of the adjacent valve, or the push rod, constitutes a punctual contact.

Abstract: An electrical valve having three paths, of the type comprising a valve body which is in permanent communication with an apparatus, controlled by fluid, notably by pneumatic partial vacuum, and is in alternate communication with either a fluid source of energy or with an outlet region, the passage from source to such outlet region and back being controlled by the plunger of an electromagnet permanently subjected to the action of a return spring urging the plunger to close such source. The valve body forms a control chamber of small dimensions, located on the outside of the electromagnet parts, wherein which communicates with the three paths. An extension of the electromagnet plunger provided with a single stopper seal which controls alternatively the source of energy and the orifice of the outlet region extends into the control chamber.

Abstract: A component group of electromagnetically shiftable directional control valves which can be installed in a simple manner includes 2/2- and 3/2-directional control valves preassembled on an electrical printed circuit board and secured in common with the printed circuit board by plugging-in the directional control valves into plug-in receptacles of a base element and by fastening a cover at the base element in the housing formed by the base element and the cover; a pneumatic main channel extends between the base element and the cover which is in fluidic communication with several directional control valves and which is tightly closed off by fastening the cover at the base element.