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7993187 |
Foreign object detection and removal system for a combine harvester
A foreign object detection and removal system for an agricultural combine is provided. The system includes a controller operatively connected to a feederhouse and a chopper assembly. The...
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7584663 |
Material stream sensors
A method of determining the content of a desired component in a stream of material including two or more types of component, includes causing or permitting a stream of a plurality of particles of...
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7392123 |
System and method to detect a failed shear bolt supporting a concave of an agricultural combine
A system and method for detecting existence of a failed or broken shear bolt supporting all or a portion of a concave of a threshing system of an agricultural combine and utilizing information...
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7207165 |
Non-frangible object detection method and apparatus for use with harvester
A method and apparatus for use with a non-frangible object detection mechanism on an agricultural harvester, the detection mechanism including a sensing surface and a sensor for sensing force...
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7022012 |
Sensitivity adjustment for stone detection system
A stone detection system of a harvester that automatically changes its sensitivity to signals from a stone sensor in response to the type of harvesting equipment connected to the harvester is...
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6637179 |
Inertial system for detecting foreign objects between contra-rotating rolls
A foreign object detector comprises an inertial sensor mounted for displacement with one of the displaceable rolls in the feed mechanism of a forage harvester. When a foreign object is forced...
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6430903 |
Nonmetallic debris detector for harvester equipment
An apparatus for detecting nonmetallic debris in plant material collected with harvester equipment. As the plant material is collected, a signal generator transmits a signal capable of...
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6397570 |
Stopping device for a crop transport mechanism
A crop harvesting machine includes a crop transport or feed mechanism including a feed roller to which a toothed wheel is fixed. A detent in the form of a pivotally mounted lever carries a cam or...
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6381932 |
Harvesting machine
A harvesting machine includes a crop intake arrangement including either a reel or a crop hold down which operate to aid in the advancement of harvested crop into the machine for further...
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6324822 |
Method of detecting foreign objects in a harvesting machine
A crop stream passes longitudinally at a feed velocity varying relative to a predetermined feed velocity in a harvesting machine between conveyor elements which transversely compress the stream and...
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6298641 |
Stone ejection for a feederhouse on an agriculture combine
The apparatus is an improvement to a feederhouse on an agricultural combine. The apparatus has a first acoustic array having a first sounding board and acoustic sensor positioned beneath the front...
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6105347 |
Device and method for locating and removing foreign bodies in agricultural machinery
A conveying device for material to be chopped with conveying rollers comprises a foreign body detection device and a chopper mechanism whose signals are fed to a control device which controls rapid...
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5702300 |
Combine rock door over center closure apparatus
An over center closure apparatus for a spring latched rock door for a combine harvester includes a first, free rotating lever arm connected to rotate about the rock door pivot and a second lever...
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5444966 |
Metal detection apparatus for agricultural harvester
An agricultural harvesting machine having feed rolls for feeding crop material along a feed path to a cutterhead which chops the crop material is provided with a metal detector for detecting...
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5343676 |
Device for recognizing ferromagnetic foreign bodies, in particular in respect of harvesting machines
In a device for recognizing ferromagnetic foreign bodies, for protecting the working members of a harvesting machine, having a magnetic field generating device (9), the lines of flux of which run...
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5092818 |
Metal and hard object detectors with shared fixed support inside a feed roll
A forage harvester having a feed mechanism for transporting crop material along a feed path to a rotating cutterhead is provided with a first detector for detecting metal objects in the crop...
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5078645 |
Method and apparatus for hard object detection
A thin film highly directional audible sound sensor is mounted within a rotatable feed roll of a forage harvester to detect the presence of stones and other hard foreign objects in a crop material...
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4466231 |
Automatic sieve and chaffer adjustment in a combine harvester
In a combine harvester, a microprocessor controls the adjustment of the cleaning sieve or sieves and/or chaffer sieve or sieves in response to information keyed into a keyboard by the combine...
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4433528 |
Metal detector apparatus
Disclosed is metal detector apparatus for protecting the crop processing unit of a forage harvester. A magnetic field is provided in the area through which crop material is being fed. The field is...
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4353199 |
Stone detector for harvesting machines
The unpredictability of the actual characteristics of spurious sounds has resulted in the use of electronic filtering or comparator circuits being less than satisfactory in certain cases, such as...
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4343137 |
Crop elevator decelerating means
In a harvesting and threshing machine having stone sensing apparatus mounted within an infeed housing, the infeed housing being mounted to the machine and effective to receive crop material from a...
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4344074 |
Magnetic field producing apparatus
Metal detectors having parallel magnetic fields produce signals which vary depending upon the shape and orientation of a metal object passing through the field. An improved metal detector sensor...
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4335563 |
Combine stone trap latch release
A release mechanism for a combine stone trap latch is disclosed wherein the detection of a stone in the crop feed path by either electronic or mechanical detection mechanisms can trigger the...
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4335565 |
Latch mechanism for combine having electronic and mechanical stone detectors
A latch mechanism for the trap door of a combine stone detector is disclosed wherein the latch mechanism is operable to release the trap door for ejection of a stone or other non-crop foreign...
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4335564 |
Electronically actuated stone trap trip mechanism
A trip mechanism, cooperable with an electronic stone detection device on a combine, is disclosed wherein, upon the reception of a signal from the electronic stone detection device indicating that...
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4332127 |
Combine feeder drive control
A self-propelled combine for harvesting a crop and including a crop threshing and separating mechanism and a feeder for feeding crop material into the threshing and separating mechanism. The feeder...
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4322933 |
Stone trapdoor trip mechanism
In a harvesting and threshing machine having stone sensing apparatus mounted within an infeed housing, the infeed housing being mounted to the machine and effective to receive crop material from a...
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4305244 |
Feeder house design for a combine
In an infeed housing for a harvesting and threshing machine there is provided an improved infeed housing design that redirects the flow of crop material along its predetermined path of travel at a...
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4294062 |
Sensing bar
In an infeed housing for a harvesting and threshing machine there is provided an improved sensing bar design that incorporates an inclined section into the bar to increase the percentage of...
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4290255 |
Feed roll apparatus
A feed roll on a forage harvester has a center support ring secured to the outer surface of the feed roll. This improves space availability inside the roll for a metal detector and improves the...
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4275546 |
Stone discriminator
An illustrative embodiment of the invention provides an acoustic sensor for detecting stones and other hard foreign objects mixed within crop material in a harvesting machine susceptible to damage...
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3896608 |
Static magnetic field metal detector
A static magnetic field detector senses the passage of ferrous or magnetic objects, employing a balanced magnetic field excitation configuration providing substantial self-cancellation of spurious...
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3889249 |
Static magnetic field metal detector
A static magnetic field detector senses the passage of ferrous or magnetic objects, employing a balanced pick up coil configuration providing substantial self-cancellation of spurious background...
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3758849 |
METAL DETECTOR SYSTEM HAVING IDENTICAL BALANCED FIELD COIL SYSTEM ON OPPOSITE SIDES OF A DETECTION ZONE
A balanced field metal detector apparatus comprising a coil assembly including planar, generally rectangular loop configured multi-turn field and sensor coils disposed in partially overlapping...
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3368214 |
Operating shaft indicators for crop harvesting machines
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2960988 |
Corn sheller having concave overload release means
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