Electromagnetically actuated valve
Patent 5265843 Issued on November 30, 1993. Estimated Expiration Date: 
May 27, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 27, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3098635 3821967 InventorAssigneeApplicationNo. 877094 filed on 05/27/1992US Classes:251/129.17, Having diaphragm between coil and opening controlled251/65, PERMANENT OR CONSTANTLY ENERGIZED MAGNET ACTUATOR251/331DiaphragmExaminersPrimary: Rosenthal, ArnoldAttorney, Agent or FirmForeign Patent References
International ClassesF16K 031/06F16K 007/16 Foreign Application Priority Data1990-02-19 ATAbstractElectromagnetically actuated valve, comprising an actuating device, a movable plunger and a valve chamber with an opening for the medium passing through it, which opening may be closed by the plunger. In order to ensure safe functioning of the valve at small closing forces, the valve chamber is totally sealed against the actuating device and the movable plunger by means of a flexible diaphragm, the diaphragm being fitted into the housing along its circumference and being pressed against the edge of the opening by the movable plunger. | |
