Switching microelectrovalve having a single diaphragm
Patent 5027857 Issued on July 2, 1991. Estimated Expiration Date: 
May 2, 2010. 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 2, 2010. 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 2562631 2935086 3067764 3067942 Fluid flow distributor for multi-choice vending machine Diaphragm device Electromagnetically actuated valve Patent #: 4285497 InventorAssigneeApplicationNo. 519248 filed on 05/02/1990US Classes:137/625.44, Pivoted valve unit251/129.2, Mechanical movement between valve and solenoid251/298, PIVOTED VALVES251/303, Biased251/331DiaphragmExaminersPrimary: Rosenthal, ArnoldAttorney, Agent or FirmForeign Patent References
International ClassesF16K 007/16F16K 011/02 Foreign Application Priority Data1988-06-30 FRAbstractThe diaphragm comprises an outer flexible part and a central part in which is overmoulded a rocking lever. The rod portion of said rocking lever is at right angles to the diaphragm plan and intended to be received in a recess of a sliding sleeve. The diaphragm rocking lever assembly is linked to an axle passing through the rocking lever and bearing on the valve body. The microvalve may be used in chemical and medical analysis devices. | |
