[특허]Apparatus and method for accurately metering and conveying dry powder or granular materials to a blender in a substantially closed system

[미국특허] Apparatus and method for accurately metering and conveying dry powder or granular materials to a blender in a substantially closed system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65B-001/04
출원번호	US-0757861 (2004-01-15)
발명자 / 주소	Stegemoeller, Calvin L.
출원인 / 주소	Halliburton Energy Services, Inc.
대리인 / 주소	Baker, Botts L.L.P.
인용정보	피인용 횟수 : 18 인용 특허 : 15

초록 ▼

The present invention is directed to an apparatus and method for accurately metering and conveying a dry powder or granular material to a blender in a substantially closed system. The apparatus includes a storage tank adapted to hold the dry powder or granular material, a hopper disposed inside of the storage tank; and a conveyor at least partially disposed inside of the storage tank, which delivers the dry powder or granular material to the hopper. The apparatus also includes a metering feeder adapted to deliver the dry powder or granular material at a substantially uniform density from the hopper to a blender located outside of the storage tank. The apparatus is a substantially closed system, thus minimizing the risk that the dry powder or granular material will become airborne.

대표청구항 ▼

1. An apparatus for accurately metering and conveying a dry powder or granular material comprising:a tank adapted to store the dry powder or granular material;a hopper disposed inside of the tank;a conveyor that delivers the dry powder or granular material from the tank to the hopper in a substantially enclosed environment; anda metering feeder disposed at least partially within the tank and adapted to deliver the dry powder or granular material from the hopper at a substantially uniform density.2. The apparatus according to claim 1 wherein the tank has a funnel-shaped bottom.3. The apparatus according to claim 2 wherein the conveyor comprises a horizontal section disposed at the bottom of the tank, which draws the dry material from the bottom of the tank.4. The apparatus according to claim 3 wherein the conveyor further comprises a vertical section, which conveys the dry powder or granular material from the bottom of the tank to the hopper.5. The apparatus according to claim 4 wherein the vertical section of the conveyor is partially disposed within the tank.6. The apparatus according to claim 4 wherein the vertical portion of the conveyor is disposed completely outside of the tank.7. The apparatus according to claim 4 wherein the vertical section of the conveyor comprises a bucket elevator.8. The apparatus according to claim 4 wherein the horizontal and vertical sections of the conveyor comprise screw-type augers.9. The apparatus according to claim 4 wherein the vertical section of the conveyor further comprises a chute for directing the dry powder or granular material into the hopper.10. The apparatus according to claim 1 wherein the hopper is disposed in the tank at a location above where the dry powder or granular material is held.11. The apparatus according to claim 10 wherein the hopper has an open top that allows the dry powder or granular material to overflow into the tank.12. The apparatus according to claim 2 further comprising an agitator or vibrator that causes the dry powder or granular material to settle at the bottom of the tank.13. An apparatus for accurately metering and conveying a dry powder or granular material comprising:means for storing the dry powder or granular material;means for metering the dry powder or granular material out of the storing means at a substantially uniform density; andmeans for supplying the metering means with the dry powder or granular material at a bulk rate that exceeds the rate at which the metering means conveys the dry powder or granular material and in a substantially enclosed environment.14. The apparatus according to claim 13 wherein the storing means comprises a bulk material tank.15. The apparatus according to claim 13 wherein the metering means comprises a metering feeder.16. The apparatus according to claim 13 wherein the supplying means comprises a hopper from which the metering means draws dry powder or granular material.17. The apparatus according to claim 16 wherein the supplying means further comprises a conveyor for delivering dry powder or granular material to the hopper.18. The apparatus according to claim 17 wherein the supplying means further comprises a chute for directing dry powder or granular material from the conveyor to the hopper.19. The apparatus according to claim 17 wherein the conveyor comprises a screw-type auger.20. The apparatus according to claim 17 wherein the conveyor comprises a bucket elevator.21. The apparatus according to claim 17 wherein the conveyor comprises a horizontal section and a vertical section.22. The apparatus according to claim 21 wherein the storage means has a funnel-shaped bottom and the horizontal section of the conveyor draws dry powder or granular material from the bottom of the storage means.23. The apparatus according to claim 21 wherein the vertical section of the conveyor is partially disposed within the tank.24. The apparatus according to claim 21 wherein the vertical portion of the conveyor is disposed completely outside of the tank.25. The apparatus according to claim 13 wherein the metering means further comprises a chute for discharging the dry powder or granular material from the tank.26. A method of accurately metering and conveying a dry powder or granular material comprising the steps of:storing the dry powder or granular material in a storage tank;metering dry powder or granular material out of the storage tank at a substantially uniform density with a metering feeder; andsupplying the metering feeder with dry powder or granular material at a bulk rate that exceeds the rate at which the metering feeder conveys the dry powder or granular material and in a substantially enclosed environment.

이 특허에 인용된 특허 (15) 인용/피인용 타임라인 분석

Stegemoeller Calvin L. (Duncan OK) Walker Lonnie R. (Duncan OK), Blended system with concentrator.
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Stegemoeller Calvin L. (Duncan OK) Walker Lonnie R. (Duncan OK), Blender system with concentrator.
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Davis Gail F. (Duncan OK) Baker Robert L. (Duncan OK) Bragg Dale E. (Duncan OK) Stegemoeller Calvin L. (Duncan OK), Blender vehicle apparatus.
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Stegemoeller Calvin L. (Duncan OK) Walker Lonnie R. (Duncan OK), Constant level additive mixing system.
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Padgett Paul O. (Duncan OK) Crain Stephen F. (Duncan OK) Handke Wayne A. (Duncan OK) Logan Jerry L. (Katy TX) Stegemoeller Calvin L. (Duncan OK) Covington Ricky L. (Duncan OK) Ritter David W. (Duncan, Continuous multi-component slurrying process at oil or gas well.
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Padgett Paul O. (Duncan OK) Crain Stephen F. (Duncan OK) Handke Wayne A. (Duncan OK) Logan Jerry L. (Katy TX) Stegemoeller Calvin L. (Duncan OK) Covington Ricky L. (Duncan OK) Ritter David W. (Duncan, Continuous multi-component slurrying process at oil or gas well.
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Handke Wayne A. (Duncan OK) Crain Stephen F. (Duncan OK) Padgett Paul O. (Duncan OK) Stegemoeller Calvin L. (Duncan OK) Rivera Vincent P. (Duncan OK) Neal Charles E. (Duncan OK), Control method for a multi-component slurrying process.
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Cogbill Randall B. (Duncan OK) Dodd Timothy J. (Duncan OK) Heilman Paul W. (Duncan OK) Heronemus Daryl L. (Duncan OK) Sears Leslie R. (Duncan OK) Berryman Leslie N. (Duncan OK) Baker Robert L. (Dunca, Integrated blending control system.
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Bragg Dale E. (Duncan OK) Stegemoeller Calvin L. (Duncan OK), Lifting apparatus.
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Nordmeyer Manfred (Schwarmstedt DEX) Nienstedt Wolfgang (Schwarmstedt DEX) Gruene Helmut (Schwarmstedt DEX), Method of gently packing a product.
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Andrews Robert L. (Plymouth MA), Screw feeder with progressively decreasing screw confinement.
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Schwoerer Larry J., Self propelled bedding dispenser vehicle.
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Stegemoeller Calvin L. (Duncan OK) Davis Gail F. (Duncan OK), Self-leveling mixer apparatus.
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Stegemoeller Calvin L. (Duncan OK) Davis Gail F. (Duncan OK), Self-leveling mixer with mechanical agitation.
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Stegemoeller Calvin L. (Duncan OK) Davis Gail F. (Duncan OK) Walker Lonnie R. (Duncan OK), Skid-mounted self-leveling mixer apparatus.
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이 특허를 인용한 특허 (18) 인용/피인용 타임라인 분석

Lucas, Bruce C.; Crain, Steve; Weightman, Glenn H., Apparatus and methods for managing equipment stability.
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Honegger, Chris Allen, Bulk material leveling and volumetric measuring and feeding apparatus.
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Powers, Geoffrey, Consumable downhole packer or plug.
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Ortowski, Ronald; McGuire, Patrick, Dust collection system.
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Phillippi, Max; Stegemoeller, Calvin, Dust control system for transferring dry material used in subterranean wells.
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Case, Leonard R.; Hagan, Ed B.; Stegemoeller, Calvin L.; Hyden, Ron, Electric or natural gas fired small footprint fracturing fluid blending and pumping equipment.
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Case, Leonard R.; Hagan, Ed B.; Stegemoeller, Calvin L.; Hyden, Ron, Electric or natural gas fired small footprint fracturing fluid blending and pumping equipment.
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Lucas, Bruce C.; Crain, Steve; McConnell, Rebecca, Method and system for weighting material storage units based on current output from one or more load sensors.
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Stutzman, Scott S.; Reininger, Robert Sean; Balthaser, David S., Method of reducing silicosis caused by inhalation of silica-containing proppant, such as silica sand and resin-coated silica sand, and apparatus therefor.
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Lucas, Bruce C.; Weightman, Glenn H.; McConnell, Rebecca; Crain, Steve, Methods and systems for determining process variables using location of center of gravity.
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Hagan, Ed B.; Case, Leonard R.; Stegemoeller, Calvin L., Methods and systems for integral blending and storage of materials.
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Stegemoeller, Calvin L.; Hagan, Ed B., Methods and systems for material transfer.
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Stegemoeller, Calvin L.; Hagan, Ed B., Methods and systems for material transfer.
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Lucas, Bruce; McConnell, Rebecca; Crain, Stephen, Methods and systems for metering and monitoring material usage.
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Fisher, Chad Adam; Stegemoeller, Calvin Lynn, Pneumatic particulate material fill systems and methods.
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Pham, Hau Nguyen-Phuc, System and method for delivery of oilfield materials.
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Pham, Hau Nguyen-Phuc; Luharuka, Rajesh; Stone, William Bradford; Morrison, Nikki; Jodlowski, Jakub Pawel; Huey, William Troy; Almer, Travis; Coquilleau, Laurent, System and method for delivery of oilfield materials.
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Pham, Hau Nguyen-Phuc; Luharuka, Rajesh; Stone, William Bradford; Morrison, Nikki; Jodlowski, Jakub Pawel; Huey, William Troy; Almer, Travis; Coquilleau, Laurent, System and method for delivery of oilfield materials.
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[미국특허] Apparatus and method for accurately metering and conveying dry powder or granular materials to a blender in a substantially closed system 원문보기