Pumping system
Patent 4830585 Issued on May 16, 1989. Estimated Expiration Date: 
July 29, 2007. 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.
July 29, 2007. 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.InventorApplicationNo. 07/079083 filed on 07/29/1987US Classes:417/360, Including means for facilitating assembly or disassembly of pump to or from motor or fixed support415/66, Serially spaced in working fluid flow path415/72, Extending along runner axis (i.e., axial flow)417/362, Pump and motor interconnected by endless flexible transmission element417/423.15, Having means to mount pump and motor in working position417/423.5, Plural units417/900SLURRY PUMPS (E.G., CONCRETE)ExaminersPrimary: Croyle, Carlton R.Assistant: Szczecina, Eugene L. Jr. Attorney, Agent or FirmInternational ClassesA01C 3/00 (20060101)A01C 3/02 (20060101) F04B 19/14 (20060101) F04B 19/00 (20060101) AbstractThis invention pertains to a system for pumping a fluid of a variable consistency into a fluid container. The system includes a vacuum power assist auger to withdraw fluid upwardly from a reservoir. A hose connecting an outlet end of the power assist auger to a fluid inlet at one end of a booster pump assembly is provided to supply fluid to the fluid inlet. A fluid outlet is provided at another end of the booster pump assembly. The fluid outlet is connected to a loading pipe so that the fluid is forced by the booster pump assembly through the fluid outlet and the loading pipe to the fluid container. A vacuum is created by the booster pump assembly in the hose so that fluid of a variable consistency may be withdrawn easily from the reservoir by the power assist auger and the booster pump assembly. | |
