초록 ▼

A solenoid operated valve has a valve body with a plurality of ports and a spool slideable within the valve body to interconnect the ports in different combinations. An actuator drives the spool into several operating positions. The actuator has a solenoid assembly with an armature that moves within

A solenoid operated valve has a valve body with a plurality of ports and a spool slideable within the valve body to interconnect the ports in different combinations. An actuator drives the spool into several operating positions. The actuator has a solenoid assembly with an armature that moves within a bore in response to an electromagnetic field. A push member projects from the armature and has a bearing secured thereto. The bearing has a cage that retains a plurality of rollable elements in slots separated by walls that are resilient enabling the rollable elements to be forced into the slots during assembly and thereafter be captured in the cage when the walls return to their original positions. A latch on the cage engages the push member to affix the bearing in place.

대표청구항 ▼

What is claimed is: 1. An electrohydraulic valve comprising:a valve body with a bore and having a two ports in communication with the bore;a spool slideably received within the bore of the valve body and a passage therein which selectively connects and disconnects the two ports in different position

What is claimed is: 1. An electrohydraulic valve comprising:a valve body with a bore and having a two ports in communication with the bore;a spool slideably received within the bore of the valve body and a passage therein which selectively connects and disconnects the two ports in different positions of the spool in the bore; andan actuator having a solenoid coil assembly with a coil aperture therein and comprising an armature slideably received in the coil aperture, and a push member projecting from the armature into engagement with the spool, the actuator further includes a cage and a plurality of rollable elements held in the cage;wherein the cage is a single piece that comprises a first ring and a second ring spaced apart with a plurality of walls extending there between and forming a plurality of slots between adjacent walls within which the plurality of rollable elements are captured, andwherein the cage further comprises a latch that engages at least one of the push member and the armature to fasten the cage to the push member.