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Class 460/4 - Grain loss


Subclass of Class 460 - Crop threshing or separating
Definition: Subject matter including means to detect or determine the
No. of patents: 26
Last issue date: 03/02/2010


NumberTitleIssue Date
7670218Process and device for controlling working parts of a combine harvester
The process and device for controlling at least one operating condition parameter (54) of working parts (45) of a combine harvester (1) has at least one sensing device (36, 40) for monitoring a crop tailings stream (31) and for gen...
03/02/2010
7430845Harvesting machine with a measuring device for capturing the throughput of collected crop material
A harvesting machine includes a measuring device for capturing the throughput of collected material. The measuring device has a measuring surface which acts together with the crop material and is supported movably at a support point in such a manner that its positio...
10/07/2008
7367880Method and apparatus for monitoring characteristics of a flow path having solid components flowing therethrough
A method and apparatus is provided for monitoring a flow path having plurality of different solid components flowing therethrough. For example, in the harvesting of a plant material, many factors surrounding the threshing, separating or cleaning of the plant materia...
05/06/2008
7354341System and method for detecting an air flow condition indicative of plugging of a discharge apparatus of an agricultural combine
A system and method for detecting a condition indicative of onset of plugging or actual plugging of discharge apparatus of an agricultural combine, utilizing an air flow sensor disposed in relation to the discharge apparatus for sensing one or more air flow characte...
04/08/2008
7343262Self-propelled harvesting machine and operating method therefor
A method of operating a self-propelled harvesting machine includes continuously separating a crop-material flow into a useful-material flow and a remaining-material flow, in a separating step of the machine, capturing at least a portion of the useful-material flow f...
03/11/2008
7261632Self-propelled harvesting machine
A self-propelled harvesting machine having an internal combustion engine, a propulsion system that can be operated to cause the harvesting machine to move across a field with a propulsion speed, a crop material pick-up device for picking up the crop material from a ...
08/28/2007
7048627Measuring device for measuring harvested crop throughput
A measuring device for measuring harvested crop throughput is provided with a dosing device that adds additional grain to the flow of harvested crop material being processed to better calibrate the measuring device. The dosing device adds a defined amount of grain t...
05/23/2006
6955597Apparatus for threshing legumes
An apparatus for threshing legumes has a frame, which is movable over a ground surface. A drum, which is rotatable about its at least substantially horizontally oriented axis of rotation, is mounted on the frame and has a drum surface provided with one or more openi...
10/18/2005
6951514Throughput control for combines using feederhouse signal
An agricultural combine having a supporting structure that is driven by ground engaging wheels at a harvesting speed by a propulsion assembly. The combine is also provided with crop processing assemblies for processing a harvested crop. A feederhouse directs the har...
10/04/2005
6932697Method and device for separating a flow of crops
A flow of crops, which contains useful material and waste material, is separated in a crop machine into a useful material flow and a waste material flow, in which, respectively, the useful material or the waste material is concentrated. A first step separates the fl...
08/23/2005
6921230Closed loop control system for pavement surfacing machine
Apparatus and methods for controlling the operation of a pavement surfacing machine are described. One embodiment that controls a pavement surfacing machine having a vehicle moveable in a preselected direction of travel along a pavement surface under the influence o...
07/26/2005
6869355Apparatus and method for determining grain loss in combine harvesters
An apparatus and method for determining grain loss of a harvesting machine. The harvesting machine has a crop-separating region with separating members. The separating members each have separation sensors for generating a signal corresponding to the crop quantity se...
03/22/2005
6592453Harvester feedrate control with tilt compensation
A combine with a throughput dependent speed control includes an angle sensor responsive to uphill, downhill and sidehill slopes. When the combine is angled from a level position, harvest speed is lowered to prevent grain losses from increasing above a tar...
07/15/2003
6591145Systems and methods for autonomously controlling agricultural machinery
Systems and methods for autonomously controlling agricultural machinery such as a grain combine. The operation components of a combine that function to harvest the grain have characteristics that are measured by sensors. For example, the combine speed, th...
07/08/2003
6524183Grain sensor arrangement for an agricultural harvester
A combine harvester comprises a threshing and separating arrangement mounted to a main frame and including a threshing or separating rotor co-operating with a curved threshing or separating concave. The harvester is provided with a grain sensor having a g...
02/25/2003
6435965Baffle system in a rotary threshing and separation unit
A rotary threshing and separation unit, comprising a rotor housing with a feeding zone, separation zone and is discharge zone, parts of the circumferential housing being closed and other parts having openings, rotary driven threshing and separation rotor ...
08/20/2002
6342006Metering recycled-tailings stream in combine harvester
A harvester has a thresher for receiving at an intake a mixture of straw and grain and for separating the mixture into grain, straw, and tailings comprised of mixed grain and straw and a conveyor recirculates a stream of the tailings along a path back to ...
01/29/2002
6146268Sensor for harvesting machines
The invention relates to a sensor for determining the structure-borne sound vibrations generated by the impingement of grains on a pulse detector in an agricultural machine for harvesting crops and to a device for operational monitoring of the sensor and ...
11/14/2000
5951395Combine grain loss receptacle
The present invention relates to a combine grain receptacle which collects grain and chaff expelled from the combine to allow the operator to determine the amount of grain being expelled from the combine and therefore being wasted. A conventional combine ...
09/14/1999
5775072Process for automatically controlling a crop processing unit
Ideal function curves are generated for a combine in various operating conditions having acceptable loss rates. These ideal function curves are stored in an onboard computer and compared with actual measured function curves. The actual function curves are...
07/07/1998
5119548Automatic screw and washer assembly machine
An automatic manufacturing machine puts a washer on a bolt which thereby forms a sub-assembly that can be used to further manufacture other things, for example. A vibrating bowl orients the washers so that one side of the washer is up and the other side i...
06/09/1992
4934985Combine ground speed control system
A combine harvester having an engine, a traction drive transmission, a header, a threshing and separating mechanism and a machine throughput control system is disclosed wherein a grain loss control loop is operable to produce a signal representative of gr...
06/19/1990
4510947Combine harvester straw hood
A combine harvester having a rotary perforated air screen and a device operable to suck air inwardly through the air screen is disclosed wherein the rotary air screen is mounted adjacent a generally horizontal surface of the machine and is provided with a...
04/16/1985
4393704Grain loss sampling device
It is desirable to ascertain the amount of grain passing over the sieves and the like of a combine harvester so that adjustments can be made to reduce this loss to a minimum. Acoustic, electronic and other involved devices are available but these are rela...
07/19/1983
4348855Crop damage responsive control of rotor speed
A self-propelled crop harvesting combine having a variable speed crop threshing and separating rotor. The crop material is delivered from a conventional cleaning system into a grain holding tank. A system is provided to determine the ratio of damaged to u...
09/14/1982
3935866Grain loss monitor
A grain loss monitor for a combine harvester derives a grain loss rate signal in accordance with the number of grains impinging on a transducer and a ground speed signal proportional to the ground speed of the combine and divides the former by the latter ...
02/03/1976
 
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