Deere + Company

William Flavis Cooper

Karl-Heinz Otto Mertins

Bruce Alan Coers

Daniel James Burke

Jerry Dean Littke

Christopher J Schmit

Joseph Albert Teijido

Andrew Schefter

Janos Kis

Jerry Dean Litke

John Victor Peterson

Travis Shuji Tsunemori

Timothy Schaefer

Rick Allen Worrel

An electronic assembly with phase-change material for thermal performance comprises a substrate and a semiconductor device mounted on the substrate. A sealed first thermal channel comprises a first evaporator section, a first fluid transport section, and a first condenser section. A phase-change material is contained in the sealed first thermal channel. The first evaporator section overlies the semiconductor device. The first fluid transport section extends between the first evaporator section and the first condenser section. The first evaporator section is spaced apart from the first condenser section. The first condenser section is in thermal communication with the heat sink.

Electronic assembly with phase-change material for thermal performance

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 harvested crop material to the crop processing assemblies. A feederhouse force sensor senses the force exerted by the harvested crop material as it passes through the feederhouse. The feederhouse force signal is directly related to crop throughput. An operator control in the operator's cab of the combine provides a loss rate signal that is also directed to the electronic controller. The electronic controller converts the loss rate signal into a desired feederhouse force signal. The electronic controller regulates the forward speed or harvesting speed of the combine so that the desired feederhouse force signal is equal to the actual feederhouse force signal. The harvesting speed regulation can be modified or overridden by moisture signals from a moisture sensor located in the feederhouse for sensing the moisture content of harvested crop.

Throughput control for combines using feederhouse signal

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 target level. The control continuously learns tilt angle, loss and throughput correlation, and the speed reduction is selected based upon the learned correlation. In the preferred embodiment, throughput is estimated utilizing rotor variable drive actuator pressure (RVDAP), and a target RVDAP is modified for short periods of time in accordance with the learned correlation.

Harvester feedrate control with tilt compensation

A vehicle speed sensing system includes an RF transceiver coupled to an antenna for transmitting an RF signal towards the terrain over which the vehicle moves and for receiving a reflected Doppler signal therefrom. The transceiver generates a time-domain in-phase reference signal I and a time-domain quadrature signal Q which is offset in phase by 90 degrees from the reference signal I. A digital signal processor which receives the I and Q signals, and uses a complex fast Fourier transform routine to convert the time domain I and Q signals to frequency domain values I(f) and Q(f). The digital signal processor further processes the I(f) and Q(f) values and generates a speed a direction signal which is unaffected by vehicle vibrations.

Fast fourier transform signal processing method for doppler radar speed sensor

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 a threshing assembly that is supplied harvested crop material by a feederhouse. The feederhouse is provided with a moisture sensor for sensing the moisture of harvested crop material as it passes through the feederhouse. The moisture sensor produces a moisture signal that is directed to an electronic combine controller. The electronic combine controller regulates the harvesting speed of the combine in response to the moisture signal.

Crop moisture sensor for controlling harvesting speed

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 a threshing assembly that is driven by a variable torque sensing drive. The variable torque sensing drive is manipulated by pressurized hydraulic fluid. A hydraulic sensor in hydraulic communication with the variable torque sensing drive provides an actual hydraulic pressure signal that is directed to an electronic controller. An operator control in the operator's cab of the combine provides a loss rate signal that is also directed to the electronic controller. The electronic controller converts the loss rate signal into a desired hydraulic pressure signal. The electronic controller regulates the forward speed (harvesting speed) of the combine so that the desired hydraulic pressure signal is equal to the actual pressure signal. The harvesting speed regulation can be modified or overridden by moisture signals from a moisture sensor located in the feederhouse for sensing the moisture content of harvested crop.

Throughput control for combines having a variable torque sensing drive

An optoelectronic apparatus having a measurement region ( ) for detecting the presence of damaged or cracked grain kernels in a population of grain kernels which are either in a stationary or moving state at the measurement region. The apparatus comprises a short-wave ultraviolet excitation light source ( ) that emits a spectral line of a wavelength shorter than 300 nm, a non-imaging photon detector ( ), and wavelength selector such as a dichroic beam-splitter ( ) which serves to isolate the fluorescent light emitted in a certain spectral region by the endosperm of grain from the excitation light of the light source, as well as from other sources of light. The apparatus may be mounted in a combine harvester for the purpose of detecting the presence of damaged grain kernels that have endosperm exposed while harvesting.

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Fargo, ND, United States of America

William Flavis Cooper