. The Bell System technical journal . I O i I i AN ELECTRICALLY OPERATED HYDRAULIC CONTROL VALVE 717. Fig. 4 — J-7 solenoid valve with manifolds. and the lower manifold, P, serves to connect the pressure and exhaustlines to ports in the structure to which the valve is mounted. The jointsbetween the passages in the manifolds and those in the body are sealedby rubber O rings that are inserted in the recesses about the holes onthe inner faces of the manifolds. These recesses can be seen in Fig. 3,but the O rings are not illustrated. Similarly, O rings are used toseal the joints between the manifo
. The Bell System technical journal . I O i I i AN ELECTRICALLY OPERATED HYDRAULIC CONTROL VALVE 717. Fig. 4 — J-7 solenoid valve with manifolds. and the lower manifold, P, serves to connect the pressure and exhaustlines to ports in the structure to which the valve is mounted. The jointsbetween the passages in the manifolds and those in the body are sealedby rubber O rings that are inserted in the recesses about the holes onthe inner faces of the manifolds. These recesses can be seen in Fig. 3,but the O rings are not illustrated. Similarly, O rings are used toseal the joints between the manifold, P, and the flat surface to whichit mounts. A pole piece, F, is screwed to each end of the plunger by means of thethreads visible in Fig. 2. These parts move as an assembly and form
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
