초록 ▼

The present invention comprises an electromagnetically operated hydraulic valve device (10) providing an almost instantaneously responsive displacement of a ball valve (60) in order to effect fluid flow relative thereto. Hydraulic valve device (10) comprises a generally cylindrical housing (12) havi

The present invention comprises an electromagnetically operated hydraulic valve device (10) providing an almost instantaneously responsive displacement of a ball valve (60) in order to effect fluid flow relative thereto. Hydraulic valve device (10) comprises a generally cylindrical housing (12) having one end (16) open and a bushing (19) extending from the other end (18), with a plurality of longitudinal openings (14) disposed about the perimeter of housing (12). A cylindrical bobbin (30) having an interior through opening (32) is disposed within housing (12) and supports an electrical winding (34), with a core member (20) enclosing the open end (16) of the housing and having a circular post (22) extending into the bobbin opening (32). A nonmagnetizable sleeve (38) is located within the interior of bushing (19) between the bushing and a cylindrically shaped armature (36). One end (37) of the armature has an opening disposed opposite a complementary shaped opening (21) in the end of post (22), a spring (39) being received therebetween. An outer valve casing (40) is disposed over housing bushing (19), the outer valve casing having an interior cavity (45) with a groove (48) disposed in the wall of cavity (45). An inner valve casing (70) having a circumferential boss (74) about the perimeter of the casing is fitted within the interior cavity (45) by means of a leak resistant, snap-together engagement of the circumferential boss (74) and groove (48), and a glass ball valve (60) is captured within a subinterior cavity (75) in the inner valve casing. Ball valve (60) is held in sealing engagement with valve seat (45) by means of a free-floating drive pin (50), the other end of drive pin (50) abutting against armature (36). Energization of winding (34) effects an almost instantaneously responsive displacement of armature (36) whereby ball valve (60) is displaced and engages valve seat 72, relative to valve seat (45) and fluid flow effected thereby.

대표청구항 ▼

A fast response electromagnetic hydraulic valve device, comprising a housing having a plurality of longitudinal openings disposed therein and a bushing disposed at one end thereof, a core providing end closure means for an end of said housing oppositely disposed from said bushing, said core includin

A fast response electromagnetic hydraulic valve device, comprising a housing having a plurality of longitudinal openings disposed therein and a bushing disposed at one end thereof, a core providing end closure means for an end of said housing oppositely disposed from said bushing, said core including a longitudinal core post projecting inwardly of said housing and having an opening in said post, a bobbin having a central opening therein receiving said post, winding means supported by said bobbin and circumposing said core post, an armature movable longitudinally within said housing with one end received in the central opening of said bobbin and the other end disposed within the bushing, the one end of the armature having an opening disposed opposite the post opening, resilient means received by the post and armature openings, sleeve means disposed between said bushing and the other end of the armature and providing a constant cross section nonmagnetizable gap between said armature and bushing, an outer valve casing secured over said bushing and having an interior cavity with a circumferential groove disposed about the cavity, an inner valve casing disposed within said interior cavity and a circumferential boss received by said circumferential groove to provide a snap-together engagement of the valve casings, a valve cavity disposed between the inner and outer valve casings, a valve member disposed within the valve cavity, and a free-floating drive pin engaging said valve member and the armature, whereby said winding means is energizable to effect almost instantaneous displacement of said armature and associated drive pin.