CA1178632A - Pneumatic unloading of particulates - Google Patents

Pneumatic unloading of particulates

Info

Publication number
CA1178632A
CA1178632A CA000405905A CA405905A CA1178632A CA 1178632 A CA1178632 A CA 1178632A CA 000405905 A CA000405905 A CA 000405905A CA 405905 A CA405905 A CA 405905A CA 1178632 A CA1178632 A CA 1178632A
Authority
CA
Canada
Prior art keywords
hopper
pressure
pressure differential
flow
vibration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000405905A
Other languages
English (en)
French (fr)
Inventor
Richard H. Lepley
Thomas A. Happel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pfizer Ltd Great Britain
Original Assignee
Pfizer Ltd Great Britain
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pfizer Ltd Great Britain filed Critical Pfizer Ltd Great Britain
Application granted granted Critical
Publication of CA1178632A publication Critical patent/CA1178632A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
CA000405905A 1981-06-25 1982-06-24 Pneumatic unloading of particulates Expired CA1178632A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/277,301 US4412762A (en) 1981-06-25 1981-06-25 Pneumatic unloading of particulates
US277,301 1981-06-25

Publications (1)

Publication Number Publication Date
CA1178632A true CA1178632A (en) 1984-11-27

Family

ID=23060265

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000405905A Expired CA1178632A (en) 1981-06-25 1982-06-24 Pneumatic unloading of particulates

Country Status (4)

Country Link
US (1) US4412762A (2)
JP (2) JPS586823A (2)
CA (1) CA1178632A (2)
MX (1) MX158023A (2)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4505623A (en) * 1982-09-17 1985-03-19 Nordson Corporation Apparatus for transferring powder from bulk drums
USRE32841E (en) * 1982-09-17 1989-01-24 Nordson Corporation Apparatus for transferring powder from bulk drums
US4677917A (en) * 1985-02-14 1987-07-07 Acf Industries, Incorporated High volume covered hopper car with loading from below and automatic unloading
US5203628A (en) * 1988-09-30 1993-04-20 Hamm Family Partnership Portable batch mixing apparatus for cementitious construction materials
US5071289A (en) * 1989-12-27 1991-12-10 Alpheus Cleaning Technologies Corp. Particulate delivery system
US5288028A (en) * 1992-09-10 1994-02-22 Alpheus Cleaning Technologies Corp. Apparatus for enhancing the feeding of particles from a hopper
US5779427A (en) * 1996-09-13 1998-07-14 Heffinger; George R. Railway car vibrator handling device
WO2002079016A1 (en) * 2000-07-21 2002-10-10 Pearson William R Railroad hopper car unloader
EP1544137B1 (de) * 2003-12-18 2007-02-21 Beckschulte Verfahrenstechnik Anlage zum Ausblasen von Kesselwagen und Silofahrzeugen und Fördern des ausgeblasenen Gutes über lange Strecken
DE102006007277A1 (de) * 2006-02-02 2007-08-09 Fydec Holding Sa Vorrichtung und Verfahren zum Fördern von Stoffen
US7478989B2 (en) * 2006-06-12 2009-01-20 Ashross, Llc Apparatus and method for vibrating a railcar
CA2854797A1 (en) * 2011-04-04 2012-10-11 Proven Technologies Llc Lc Accurate dry bulk handling system and method of use
WO2013032801A1 (en) * 2011-09-02 2013-03-07 First Solar, Inc. Feeder system and method for a vapor transport deposition system
JP2014144844A (ja) * 2013-01-29 2014-08-14 Ube Ind Ltd ダスト搬送装置
NO339852B1 (no) * 2014-11-26 2017-02-06 Esea As Anordning og fremgangsmåte for håndtering av partikkelformet materiale
US9599998B2 (en) 2015-04-22 2017-03-21 Clinton Martin Grain pipe valve assembly
WO2016200275A1 (en) * 2015-06-10 2016-12-15 Esea As Pneumatic control system for discharging particulate material generated in oil and gas exploration and production operations

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA902553A (en) 1972-06-13 N. K. Paton Hamilton Material discharging device for containers
US2953282A (en) * 1957-06-19 1960-09-20 Edwin F Peterson Motor driven vibrator
US3363806A (en) * 1966-05-31 1968-01-16 Nat Air Vibrator Company Dispenser having a vibrator for facilitating the flow of bulk material
US3504825A (en) * 1966-08-15 1970-04-07 Gen Motors Corp Pneumatic control of pressure pouring ladle
US4059310A (en) * 1973-07-16 1977-11-22 Outboard Marine Corporation Apparatus and method for uniform powder feed
JPS5846627Y2 (ja) * 1979-04-10 1983-10-24 オンキヨー株式会社 スピ−カ−用ホ−ン

Also Published As

Publication number Publication date
US4412762A (en) 1983-11-01
MX158023A (es) 1988-12-29
JPS586823A (ja) 1983-01-14
JPS6226329U (2) 1987-02-18
JPH0430185Y2 (2) 1992-07-21

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Legal Events

Date Code Title Description
MKEX Expiry