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Title: Screw-fed pump system

Abstract

A pump system includes a pump that includes a first belt and a second belt that are spaced apart from each other to provide generally straight sides of a passage there between. There is an inlet at one end of the passage and an outlet at an opposite end of the passage, with a passage length that extends between the inlet and the outlet. The passage defines a gap distance in a width direction between the straight sides at the passage inlet. A hopper includes an interior space that terminates at a mouth at the passage inlet. At least one screw is located within the interior space of the hopper and includes a screw diameter in the width direction that is less than or equal to the gap distance.

Inventors:
Issue Date:
Research Org.:
Aerojet Rocketdyne of DE, Inc., Canoga Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1164358
Patent Number(s):
8893878
Application Number:
13/171,904
Assignee:
Aerojet Rocketdyne of DE, Inc. (Canoga Park, CA)
Patent Classifications (CPCs):
C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10J - PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES
DOE Contract Number:  
FC26-04NT42237
Resource Type:
Patent
Resource Relation:
Patent File Date: 2011 Jun 29
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 01 COAL, LIGNITE, AND PEAT; 10 SYNTHETIC FUELS

Citation Formats

Sprouse, Kenneth M. Screw-fed pump system. United States: N. p., 2014. Web.
Sprouse, Kenneth M. Screw-fed pump system. United States.
Sprouse, Kenneth M. Tue . "Screw-fed pump system". United States. https://www.osti.gov/servlets/purl/1164358.
@article{osti_1164358,
title = {Screw-fed pump system},
author = {Sprouse, Kenneth M},
abstractNote = {A pump system includes a pump that includes a first belt and a second belt that are spaced apart from each other to provide generally straight sides of a passage there between. There is an inlet at one end of the passage and an outlet at an opposite end of the passage, with a passage length that extends between the inlet and the outlet. The passage defines a gap distance in a width direction between the straight sides at the passage inlet. A hopper includes an interior space that terminates at a mouth at the passage inlet. At least one screw is located within the interior space of the hopper and includes a screw diameter in the width direction that is less than or equal to the gap distance.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 25 00:00:00 EST 2014},
month = {Tue Nov 25 00:00:00 EST 2014}
}

Works referenced in this record:

Apparatus for building up and repairing a refractory lining
patent, July 1977


Vertical conveyor for bulk goods
patent, August 1984


Rotary plate feeder
patent, July 2002


Linear tractor dry coal extrusion pump
patent, June 2008


High pressure dry coal slurry extrusion pump
patent, May 2010


Granular material conveyor
patent-application, October 2003