US11178A - Winnower of grain - Google Patents
Winnower of grain Download PDFInfo
- Publication number
- US11178A US11178A US11178DA US11178A US 11178 A US11178 A US 11178A US 11178D A US11178D A US 11178DA US 11178 A US11178 A US 11178A
- Authority
- US
- United States
- Prior art keywords
- grain
- blast
- spout
- chamber
- screen
- 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 - Lifetime
Links
- 235000013339 cereals Nutrition 0.000 description 24
- 239000000126 substance Substances 0.000 description 14
- 238000005192 partition Methods 0.000 description 8
- WYTGDNHDOZPMIW-UHOFOFEASA-O Serpentine Natural products O=C(OC)C=1[C@@H]2[C@@H]([C@@H](C)OC=1)C[n+]1c(c3[nH]c4c(c3cc1)cccc4)C2 WYTGDNHDOZPMIW-UHOFOFEASA-O 0.000 description 4
- 230000000994 depressed Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000001105 regulatory Effects 0.000 description 4
- 241000283690 Bos taurus Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
Images
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
Definitions
- This invention relates to a new and useful improvement in grain separators for cleansing grain from smut, dirt, chaff, and other impurities, and also separating the light from the heavy or sound grain, and depositing each part of any value in separate chambers or hoppers.
- my invention consists in the combination of an inclined screen adjoining the feeding hopper, and suction spout subdivided into two or more compartments, the above parts being arranged as will be fully shown hereafter, j j
- A represents a vertical blast spout connected at its upper end with a horizontal chamber B, which is connected on its under side with a fan box G, provided with a fan D, see Fig. 1.
- a fan box G In the lower end of the blast spout A there is an inclined screen E, see Figs.1,2, and 3, and on one side of the blast spout there is a hopper F which communicates with the elevated end of the screen E, see Fig. 2.
- the bottom of the chamber B between the blast spout A and the entrance to the fan box C has an inclined or hopper shaped bottom as shown in Fig.1.
- valves or slides (e) (f) (g) one to each of the compartments (5) (0) (03).
- the lower ends of the slides or valves extend below the .bottom of the chamber B as shown in Fig. 1.
- the inclined bottom of the chamber B is provided with three spring doors or traps (h) (h (it), one to each of the compartments 6) (c) (d).
- Motion is given the fan D by a band pass ing aroundthe pulley J on the shaft K of thefan.
- the rotation of the fan D produces a partial vacuum in the fan box G, and a current or blast of air passes up the spout A over thetop of the valves or slides (a) (f) (g) under the projection H, over the partition G, and down into the fan box C, and is ejected through an exit spout L at the side of the fan box.
- the arrows 1 show the direction of the blast.
- the grain to be separated is placed in the hopper F and passes over the screen E and falls off at the depressed end.
- the blast as it passes up through the screen E and the spout A causes the grain to take the direction indicated by the doted arrows 2; for instance, the grain is arrested by the firstpartition (a) and a portion of the light foreign substances such as dust, smut, chaff, etc., is carried up the blast through the first compartment (5).
- the grain then passes under the first partition and strikes against the second partition (a) and the heavier chafl, etc., ascends through the second compartment 0).
- the grain then passes under the second partition and strikes against the side of the blast spout, and the light or imperfect grain is carried up in the compartment (cl), the
- any substance of value is prevented from passing into the fan box with the current by means of the projection H, which-causes the current to have a serpentine course throughthe chamber B, and the light and useless substances will therefore only follow the current, the others by their greater specific gravity falling into the several divisions of the chamber B.
- the trap opens and the substance falls into a proper receptacle beneath.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Description
B. D. SANDERS Grain Winnower.
N0.11,178. Patented1un'e 27,' 1864.
PATENT onnIoE.
B. D. SANDERS, or HOLLIDAYS covn, VIRGINIA.
WINNOWER OF GRAIN.
Specification of Letters Patent No. 11,178, dated June 27, 1854.
To all whom it may concern:
Be it known that I, B. D. SANDERS, of Hollidays Cove, in the county of Brooke and State of Virginia, have invented a new and useful I Improvement in Grain-Separators; and I do hereby declare that thefollowing is a full, clear, and exact description of the same, reference being had to the an nexed drawings, making a part of this specification, in which- I Figure 1, is a vertical section of my improved separator, theplane of section being through the center. Fig. 2, is a front View of ditto. The front of the blast spout being removed. Fig. 3, is a plan or top view of ditto. The top of the blast spout and chamber being removed.
Similar letters of reference indicate corresponding parts in the several figures.
This invention relates to a new and useful improvement in grain separators for cleansing grain from smut, dirt, chaff, and other impurities, and also separating the light from the heavy or sound grain, and depositing each part of any value in separate chambers or hoppers. j
The nature of my invention consists in the combination of an inclined screen adjoining the feeding hopper, and suction spout subdivided into two or more compartments, the above parts being arranged as will be fully shown hereafter, j j
To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation.
A represents a vertical blast spout connected at its upper end with a horizontal chamber B, which is connected on its under side with a fan box G, provided with a fan D, see Fig. 1. In the lower end of the blast spout A there is an inclined screen E, see Figs.1,2, and 3, and on one side of the blast spout there is a hopper F which communicates with the elevated end of the screen E, see Fig. 2. The bottom of the chamber B between the blast spout A and the entrance to the fan box C has an inclined or hopper shaped bottom as shown in Fig.1.
ward nearly to the screen E, a sufficient space being left between the edges of; the partitions and screen to allow the grain to pass under them; on the side I of the blast spout A and within the chamber B, are three valves or slides (e) (f) (g) one to each of the compartments (5) (0) (03). The lower ends of the slides or valves extend below the .bottom of the chamber B as shown in Fig. 1. The inclined bottom of the chamber B is provided with three spring doors or traps (h) (h (it), one to each of the compartments 6) (c) (d).
The several parts being now described, the operation will be explained.
Motion is given the fan D by a band pass ing aroundthe pulley J on the shaft K of thefan. The rotation of the fan D produces a partial vacuum in the fan box G, and a current or blast of air passes up the spout A over thetop of the valves or slides (a) (f) (g) under the projection H, over the partition G, and down into the fan box C, and is ejected through an exit spout L at the side of the fan box. The arrows 1 show the direction of the blast. The grain to be separated is placed in the hopper F and passes over the screen E and falls off at the depressed end. The blast as it passes up through the screen E and the spout A causes the grain to take the direction indicated by the doted arrows 2; for instance, the grain is arrested by the firstpartition (a) and a portion of the light foreign substances such as dust, smut, chaff, etc., is carried up the blast through the first compartment (5). The grain then passes under the first partition and strikes against the second partition (a) and the heavier chafl, etc., ascends through the second compartment 0). The grain then passes under the second partition and strikes against the side of the blast spout, and the light or imperfect grain is carried up in the compartment (cl), the
sound or heavy grain falling 0d the depressed end of the screen E. The dust smut and other light substances is carried by the current of air into the fan box and is ejected through the exit spout L, while the other substances which are of value for food for cattle, and light grain which will produce inferior flour are deposited in the divisions (e) (g) of the chamber B. The draft or strength of the current in each of the compartments (6) (0) (cl) is regulated by the slides or valves (6) (f) (9). Any substance of value is prevented from passing into the fan box with the current by means of the projection H, which-causes the current to have a serpentine course throughthe chamber B, and the light and useless substances will therefore only follow the current, the others by their greater specific gravity falling into the several divisions of the chamber B. When a sufiicient quantity of any substance has fallen into either of the divisions of the chamber B, so as to overcome the spring of the trap (it), the trap opens and the substance falls into a proper receptacle beneath.
The separator above described, with the exception of the partitions (a) (a) which divide the blast spout and chamber B, was formerly patented by me, and it may be considered the parent of the various separators in use, in which a suction blast is used.
I do not claim the valves or slides (e), (f), (g), for regulating or modifying the blast in the several compartments of the blast spout, for they have been previously used, neither do I claim the spring traps h), (hm (h), for they also are well known,
B. D. SANDERS.
Witnesses WM. BROWN, 0- BROWN.
Publications (1)
Publication Number | Publication Date |
---|---|
US11178A true US11178A (en) | 1854-06-27 |
Family
ID=2071511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11178D Expired - Lifetime US11178A (en) | Winnower of grain |
Country Status (1)
Country | Link |
---|---|
US (1) | US11178A (en) |
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0
- US US11178D patent/US11178A/en not_active Expired - Lifetime
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