Grain processor
First Claim
Patent Images
1. A grain processor for separating and measuring components of a test sample of grain containing good grain and impurities, such as, light particles, small-sized impurities, medium-sized impurities, and large-sized impurities, said grain processor comprising:
- a rotary sieve to receive said test sample of grain, wherein said sieve comprises a first sieving section and a second sieving section, wherein said first and second sieving sections have different size perforations;
a first recovery receptacle for receiving a portion of the sample sieved through the first sieving section;
a second recovery receptacle for receiving a portion of the sample sieved through the second sieving section.
2 Assignments
0 Petitions
Accused Products
Abstract
A grain processor for separating and measuring components of a sample of grain as it passes through a rotary sieve having two or more sieving sections having different perforations so that selective separation is made on the basis of the size of the particles in the sample.
37 Citations
57 Claims
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1. A grain processor for separating and measuring components of a test sample of grain containing good grain and impurities, such as, light particles, small-sized impurities, medium-sized impurities, and large-sized impurities, said grain processor comprising:
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a rotary sieve to receive said test sample of grain, wherein said sieve comprises a first sieving section and a second sieving section, wherein said first and second sieving sections have different size perforations; a first recovery receptacle for receiving a portion of the sample sieved through the first sieving section; a second recovery receptacle for receiving a portion of the sample sieved through the second sieving section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A grain processor for separating and measuring components of a test sample of grain containing good grain and impurities, such as, light particles, small-sized impurities, medium-sized impurities, and large-sized impurities, said grain processor comprising:
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a feed hopper to receive said test sample of grain; a passage to transport said test sample from said feed hopper to a sieve; an aspiration system connected to said passage and comprising a vacuum source to produce a subatmospheric pressure sufficient to impel said light particles to travel from said passage into said aspiration system; said sieve receiving a remaining portion of said test sample of grain from said passage, wherein said sieve comprises a first sieving section and a second sieving section, wherein said first and second sieving sections have different size perforations; a first recovery receptacle for receiving a first portion of the sample sieved through the first sieving section; a second recovery receptacle for receiving a portion of the sample sieved through the second sieving section. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27)
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23. A grain processor for separating and measuring components of a test sample of grain containing good grain and impurities, such as, light particles, small-sized impurities, medium-sized impurities, and large-sized impurities, said grain processor comprising:
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a feed hopper to receive said test sample of grain, wherein said feed hopper comprises a weighing sensor to weigh said test sample before being delivered to a sieve; a passage to transport said test sample from said feed hopper to a sieve; an aspiration system connected to said passage and comprising a vacuum source to produce a sub-atmospheric pressure sufficient to impel said light particles to travel from said passage into said aspiration system; said sieve receiving a remaining portion of said test sample of grain from said passage wherein said sieve comprises a first sieving section, a second sieving section and a third sieving section, wherein said first and second sieving sections have different size perforations; a first recovery receptacle for receiving a first portion of the sample sieved through the first sieving section; a second recovery receptacle for receiving a portion of the sample sieved through the second Sieving section; a third recovery receptacle for receiving a portion of the test sample sieved through said third sieving section; and a processing unit wherein said processing unit produces a signal to control said vacuum source.
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28. A grain processor for separating and measuring components of a test sample of grain containing good grain and impurities, such as, light particles, small-sized impurities, medium-sized impurities, and large-sized impurities, said grain processor comprising:
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a feed hopper to receive said test sample of grain; a sieve to receive said test sample of grain from a passage connected to said feed hopper, wherein said sieve comprises a first sieving section, a second sieving section, and a third sieving section, wherein said first, second, and third sieving sections have different size perforations; a first recovery receptacle for receiving a first portion of the sample sieved through the first sieving section; a second recovery receptacle for receiving a portion of the sample sieved through the second sieving section; a third recovery receptacle for receiving a portion of the sample sieved through the third sieving section; a tray having opening to insert and hold said first, second, and third recovery receptacles. - View Dependent Claims (29, 30, 31, 32, 33)
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34. A grain processor for separating and measuring components of a test sample of grain containing good grain and impurities, such as, light particles, small-size impurities, medium-sized impurities, and large-sized impurities, said grain processor comprising:
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a feed hopper to receive said test sample of grain; a sieve to receive said test sample of grain from a passage connected to said feed hopper, wherein said sieve comprises a first sieving section, a second sieving section, and a third sieving section, wherein said first, second, and third sieving sections have different size perforations; a first recovery receptacle for receiving a first portion of the sample sieved through the first sieving section; a second recovery receptacle for receiving a portion of the sample sieved through the second sieving section; a third recovery receptacle for receiving a portion of the sample sieved through the third sieving section; a tray holding said first, second, and third recovery receptacles; a tray support allowing said tray to move from a receiving position to receive said sample in said first, second, and third recovery receptacles to a retrieval position wherein said first, second, and third recovery receptacles are accessible for unloading their contents; and a tray sensor sensing when said tray is in said receiving or retrieval positions. - View Dependent Claims (35)
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36. A grain processor for separating and measuring components of a test sample of grain containing good grain and impurities, such as, light particles, small-sized impurities, medium-sized impurities, and large-sized impurities, said grain processor comprising:
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a feed hopper to receive said test sample of grain; a sieve to receive said test sample of grain from a passage connected to said feed hopper, wherein said sieve comprises a first sieving section, a second sieving section, and a third sieving section, wherein said first, second, and third sieving sections have different size perforations; a first recovery receptacle for receiving a first portion of the sample sieved through the first sieving section; a second recovery receptacle for receiving a portion of the sample sieved through the second sieving section; a third recovery receptacle for receiving a portion of the sample sieved through the third sieving section; a tray holding said first, second, and third recovery receptacles; a tray support allowing said tray to move from a receiving position to receive said sample in said first, second, and third recovery receptacles to a retrieval position wherein said first, second, and third recovery receptacles are accessible for unloading their contents; and a lock mechanism which automatically locks said tray when positioned in the receiving position and the grain processor is operating.
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37. A grain processor for separating and measuring components of a test sample of grain containing good grain and impurities, such as, light particles, small-sized impurities, medium-sized impurities, and large-sized impurities, said grain processor comprising:
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a feed hopper to receive said test sample of grain; a passage to transport said test sample from said feed hopper to a sieve; an aspiration system connected to said passage and comprising a vacuum source to produce a sub-atmospheric pressure sufficient to impel said light particles to travel from said passage into said aspiration system; a processing unit producing a signal to control said vacuum source; said sieve receiving a remaining portion of said test sample of grain from said passage, wherein said sieve comprises a first sieving section and a second sieving section, wherein said first and second sieving sections have different size perforations; a first recovery receptacle for receiving a first portion of the sample sieved through the first sieving section; a second recovery receptacle for receiving a portion of the sample sieved through the second sieving section. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. A grain processor for separating and measuring components of a test sample of grain containing good grain and impurities, such as, light particles, small-sized impurities, medium-sized impurities, and large-sized impurities, said grain processor comprising:
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a feed hopper to receive said test sample of grain; a passage to transport said test sample from said feed hopper to a rotary sieve that rotates at an angular velocity; an aspiration system connected to said passage and comprising a vacuum source to produce a sub-atmospheric pressure sufficient to impel said light particles to travel from said passage into said aspiration system; said rotary sieve receiving a remaining portion of said test sample of grain from said passage, wherein said sieve comprises a first sieving section and a second sieving section, wherein said first and second sieving sections have different size perforations; a processing unit producing a signal to control said angular velocity of said rotary sieve to have a constant and non-zero value; a first recovery receptacle for receiving a first portion of the sample sieved through the first sieving section; a second recovery receptacle for receiving a portion of the sample sieved through the second sieving section. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56, 57)
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Specification