US11543A - Winnower - Google Patents

Winnower Download PDF

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Publication number
US11543A
US11543A US11543DA US11543A US 11543 A US11543 A US 11543A US 11543D A US11543D A US 11543DA US 11543 A US11543 A US 11543A
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Prior art keywords
blast
board
grain
fan
grains
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00Parts or details of threshing apparatus
    • A01F12/44Grain cleaners; Grain separators

Definitions

  • A, A represents the upright framing.
  • B, B one of the sides, (partially removed to show the interior arrangement).
  • C, C is the drum, which encircles the fan. Excepting a space of 14 inchesfor the exit of blast, the upper edge of this space is on a line parallel with the center of the fan shaft.
  • D, D is the fan.
  • E, E,. is the sliding gate of the hopper.
  • F the stationary board conveying the grain from the hopper to the blast. ,It extends from side to side of the machine, and from the bottom of the hopper to the point where it meets the blast coming from the drum, and is placed at such inclination that the grain will pass rapidly over it, by its own specific gravity. When the fan is not in motion, the grain in falling strikes about the middle of the first inclined plane, L. The width of the board depends on its pitch; it should fill the space'between the bottom of i the hopper and the front of the blast. Hav
  • H is a board separating the tailing from the chaff.
  • I is a board by. which the wheat is separated from the tailing.
  • K is an adjustable sliding board by which the heavier and perfect grains may be separated, from the lighter ones by falling thereon, and being conveyed to the front of the machine, while the lighter grains are dropped back of this board and fall under the machine.
  • the operation of the machine is as follows.
  • the fan D, D being turned in the direction of the darts, the blast is. thrown from the wings in the direction of the darts numbered 1, 2, 3, 4:, 5, 6, 7, 8, darts Nos. 1 and 2, represent, the greatest force of the blast, which arises from the position of the opening of the drum. If the space for the exit of blast should extend down to a line perpendicular with the shaft, of the fan, it would destroy the force of the blast at Nos. 1, 2, and 3, and distribute it more uniformly through the inclined planes, L, L, L. The advantage of having the greatest force of the blast at Nos.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Adjustment And Processing Of Grains (AREA)

Description

UNITED STATES PATENT OFFICE. 4
.HENRYH. BEACH. or oincaeo, inmxors.
wmnownn.
Specification .of Letters Patent No. 11,513, dated August 15, 1854:.
To all whom z'tmay concern Be it known that I, HENRY, H. BEACH, of Chicago, county of GookyState of Illinois, have invented a new and useful Improvement in Blast-Separators. for Cleaning Grain, Seeds, &c.; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, making a part of the specification, in which by a removal' of a. portion of the side the. internal arrangement is shown. i
The nature of my improvement in separators consists in presenting the grain to a blast undirected by any fixtures whatever, thereby securing the division of grains into requisite qualities by taking advantage of the specific gravity inherent therein. This being "effected by a most simple device of the arrangement of a board conveying the grain from the hopper to the blast from the blower, combined with stationary inclined planes, wherebythe blast is received under the grain as it falls from the directing board, and is carried along from plane to plane supported and driven by the force of the blast alone.
To enable others skilled in the art, to make and use my improvement, I will describe it as follows. A, A, represents the upright framing. B, B, one of the sides, (partially removed to show the interior arrangement). C, C, is the drum, which encircles the fan. Excepting a space of 14 inchesfor the exit of blast, the upper edge of this space is on a line parallel with the center of the fan shaft.
D, D, is the fan.
E, E,.is the sliding gate of the hopper. F, the stationary board conveying the grain from the hopper to the blast. ,It extends from side to side of the machine, and from the bottom of the hopper to the point where it meets the blast coming from the drum, and is placed at such inclination that the grain will pass rapidly over it, by its own specific gravity. When the fan is not in motion, the grain in falling strikes about the middle of the first inclined plane, L. The width of the board depends on its pitch; it should fill the space'between the bottom of i the hopper and the front of the blast. Hav
side by side, inserted into the delivering board F, for supporting heavy straws, &c. H is a board separating the tailing from the chaff.
I is a board by. which the wheat is separated from the tailing.
K, is an adjustable sliding board by which the heavier and perfect grains may be separated, from the lighter ones by falling thereon, and being conveyed to the front of the machine, while the lighter grains are dropped back of this board and fall under the machine.
L, L, L, area series of inclinedplanes, the pitch of which corresponds with the direction of the blast as thrown from the fan, the upper edge of the planes are an inch below a line corresponding with the center of the shaft of the fan.
The operation of the machine is as follows. The fan D, D, being turned in the direction of the darts, the blast is. thrown from the wings in the direction of the darts numbered 1, 2, 3, 4:, 5, 6, 7, 8, darts Nos. 1 and 2, represent, the greatest force of the blast, which arises from the position of the opening of the drum. If the space for the exit of blast should extend down to a line perpendicular with the shaft, of the fan, it would destroy the force of the blast at Nos. 1, 2, and 3, and distribute it more uniformly through the inclined planes, L, L, L. The advantage of having the greatest force of the blast at Nos. 1, 2, and 3, is that at this point it meets the grain, descending fromthe board F, on a line with the center of the first inclined plane, so that the whole of the grain with its impurities is raised by the blast, and carried along toward the tail of the machine, the heavier grains striking the upper edge of the planes 1, 2, 3, the lighter from the grain all chafi' and straws, and
drive it entirely beyond the board H. Very few straws willtouch the-fingers G. The reason of the blast being so efiicient in this arrangement -is that it strikes against and under thegrain, as it leaves the board F,
Without having been interrupted by any deflection or fixture Whatever. The advantage of this manner of separating impurities from Wheat by blast alone, over a screen, is that no small, but perfect grains are lost. These must go through a screen. Also, in this ar rangement, by moving the adjustable board K, under the Nos. 1, 2, or 3, of the planes, the large, sound, and perfect grains are separated for seed and the balance of the grain left in good condition for market Without Wasting a single grain of perfect Wheat.
The economy of constructing this machine
US11543D Winnower Expired - Lifetime US11543A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573778A (en) * 1947-03-05 1951-11-06 Unterberg Gustav Grain or seed cleaner
US8623042B2 (en) 2005-04-13 2014-01-07 Mitchell Roslin Artificial gastric valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573778A (en) * 1947-03-05 1951-11-06 Unterberg Gustav Grain or seed cleaner
US8623042B2 (en) 2005-04-13 2014-01-07 Mitchell Roslin Artificial gastric valve

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