Pressure regulator for gaseous and liquid fluids
Patent 4346732 Issued on August 31, 1982. Estimated Expiration Date: 
November 13, 1999. 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.
November 13, 1999. 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 References3250293 InventorAssigneeApplicationNo. 06/093638 filed on 11/13/1979US Classes:137/489Choked or throttled pressure typeExaminersPrimary: Rosenthal, ArnoldAttorney, Agent or FirmInternational ClassesB05B 12/08 (20060101)G05D 16/00 (20060101) G05D 16/06 (20060101) G05D 16/16 (20060101) G05D 16/04 (20060101) G05D 16/02 (20060101) B05B 7/14 (20060101) Foreign Application Priority Data1978-11-14 DEAbstractThe invention is a pressure regulator for gaseous and liquid fluids of the type comprising: a main valve disposed between an inlet and an outlet; a control pressure space, the pressure in which acts on the main valve body and which is preferably connected via a choke with the inlet and via a control valve with a vent; means for setting a desired value for the outlet pressure, which means urges the control valve body against a force due to the control pressure; and means for exerting a force on the main valve body proportional to the outlet pressure and directed against the force exerted thereon by the control pressure. In one embodiment, such a pressure regulator is used in a pneumatic conveyance device for a powdered to granulated bulk material. | |
