EP2564944A3 - A device and method for removing a foreign object from harvested leaves - Google Patents

A device and method for removing a foreign object from harvested leaves Download PDF

Info

Publication number
EP2564944A3
EP2564944A3 EP12183160.6A EP12183160A EP2564944A3 EP 2564944 A3 EP2564944 A3 EP 2564944A3 EP 12183160 A EP12183160 A EP 12183160A EP 2564944 A3 EP2564944 A3 EP 2564944A3
Authority
EP
European Patent Office
Prior art keywords
conveyor
harvested leaves
foreign object
input feed
operable
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.)
Withdrawn
Application number
EP12183160.6A
Other languages
German (de)
French (fr)
Other versions
EP2564944A2 (en
Inventor
Marco Fachadas
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.)
Vitacress Ltd
Original Assignee
Vitacress Ltd
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 Vitacress Ltd filed Critical Vitacress Ltd
Publication of EP2564944A2 publication Critical patent/EP2564944A2/en
Publication of EP2564944A3 publication Critical patent/EP2564944A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/06—Feeding or discharging arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/003—Separation of articles by differences in their geometrical form or by difference in their physical properties, e.g. elasticity, compressibility, hardness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/08—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to weight

Landscapes

  • Cleaning In General (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Harvesting Machines For Specific Crops (AREA)

Abstract

A device for removing a foreign object from harvested leaves, the foreign object being more dense than each leaf in the harvested leaves, the device comprising: an input feed conveyor (105)operable to receive the harvested leaves; a second conveyor (110) having a plurality of holes which allow air to flow therethrough and being separated from the input feed conveyor (105) by a gap; a suction device (120) operable to suck air through a first area of the second conveyor (110), the suction being sufficient to draw the harvested leaves from the input feed conveyor (105) onto the second conveyor (110) whilst leaving the foreign object on the input feed conveyor (105); and an output (135) separated from the input conveyor (105) by a second gap bridged by the first area of the second conveyor (110), where the output (135) is located below a second area of the second conveyor (110), wherein the suction device (120) is operable to lose sufficient suction at the second part of the second conveyor (110) so that the harvested leaves fall from the second conveyor (110) to the output (135).
EP12183160.6A 2011-09-05 2012-09-05 A device and method for removing a foreign object from harvested leaves Withdrawn EP2564944A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201115296A GB201115296D0 (en) 2011-09-05 2011-09-05 A device and method for removing a foreign object from harvested leaves

Publications (2)

Publication Number Publication Date
EP2564944A2 EP2564944A2 (en) 2013-03-06
EP2564944A3 true EP2564944A3 (en) 2013-11-13

Family

ID=44882216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12183160.6A Withdrawn EP2564944A3 (en) 2011-09-05 2012-09-05 A device and method for removing a foreign object from harvested leaves

Country Status (2)

Country Link
EP (1) EP2564944A3 (en)
GB (1) GB201115296D0 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB517866A (en) * 1938-07-09 1940-02-12 Mcconnel Hinds Ltd Improvements in or relating to pneumatic separating apparatus
FR2421685A1 (en) * 1978-04-07 1979-11-02 Bounet Raymond Rotary suction drum fruit and grain separator - has rotary hood inside mesh drum discharging debris onto take=off conveyor
FR2441325A1 (en) * 1978-11-20 1980-06-13 Louit Claude Leaf separator for grape harvester - is suction hood with air permeable endless belt at mouth positioned transverse to direction of movement fruit conveyor
DE9417627U1 (en) * 1994-11-03 1994-12-22 Paal's Packpressen-Fabrik GmbH & Co KG, 49124 Georgsmarienhütte Garbage sorting
DE20015188U1 (en) * 2000-09-02 2000-12-14 Wolf Stahlbau Kg All-round mesh belt for suction wind cleaners
US20040184899A1 (en) * 2003-02-24 2004-09-23 Antonio Turatti Conveyor of leaves and other products on a belt for laying the same products as a single layer
WO2010072809A1 (en) * 2008-12-24 2010-07-01 Cnh France S.A. Cleaning system for a crop flow

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB517866A (en) * 1938-07-09 1940-02-12 Mcconnel Hinds Ltd Improvements in or relating to pneumatic separating apparatus
FR2421685A1 (en) * 1978-04-07 1979-11-02 Bounet Raymond Rotary suction drum fruit and grain separator - has rotary hood inside mesh drum discharging debris onto take=off conveyor
FR2441325A1 (en) * 1978-11-20 1980-06-13 Louit Claude Leaf separator for grape harvester - is suction hood with air permeable endless belt at mouth positioned transverse to direction of movement fruit conveyor
DE9417627U1 (en) * 1994-11-03 1994-12-22 Paal's Packpressen-Fabrik GmbH & Co KG, 49124 Georgsmarienhütte Garbage sorting
DE20015188U1 (en) * 2000-09-02 2000-12-14 Wolf Stahlbau Kg All-round mesh belt for suction wind cleaners
US20040184899A1 (en) * 2003-02-24 2004-09-23 Antonio Turatti Conveyor of leaves and other products on a belt for laying the same products as a single layer
WO2010072809A1 (en) * 2008-12-24 2010-07-01 Cnh France S.A. Cleaning system for a crop flow

Also Published As

Publication number Publication date
GB201115296D0 (en) 2011-10-19
EP2564944A2 (en) 2013-03-06

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