A method including adjusting a changeable component of a seed planting machine when switching from a first variety of seed to a second variety of seed during planting, wherein the adjusting is based on a location of the planting machine.

An exhaust air filtration apparatus comprises a vacuum planter (10) having a cyclonic separator (30) and a filter unit (40). A method of removing particulate matter can utilize the apparatus.

A meter roller for an agricultural metering system includes a flute and a recess positioned adjacent to one another along a circumferential axis of the meter roller. The flute and the recess are configured to meter flowable particulate material from a storage tank to a material distribution system via rotation of the meter roller. In addition, a first circumferential extent of the flute is at least 1.5 times greater than a second circumferential extent of the recess along an entire longitudinal extent of the flute and the recess, and the entire longitudinal extent of the flute and the recess is greater than the first circumferential extent of the flute and the second circumferential extent of the recess.

A work vehicle includes row units. The row units each include an air pressure device configured to generate a pressure differential for retaining a commodity against a metering element to singulate and meter a commodity. The air pressure device includes an exhaust structure with a passage configured to direct an exhaust substance to the ground as the row unit travels.

Systems, devices, and methods for performing autonomous agricultural operations are described herein. An exemplary device may include a toolbar to which a plurality of implements may be interchangeably coupled, and a pair of parallel chassis beams mounted perpendicularly on the toolbar. At least a portion of each of the chassis beams may be telescopic and configured to be extended outward from, and retracted inward towards, the toolbar. The device may also include a plurality of drive assemblies each mounted on one of the chassis beams, and a plurality of motors corresponding to the drive assemblies and configured to drive the drive assemblies in accordance with one or more drive parameters to move the device throughout a site. The device may further include a computing device configured to automatically determine the drive parameters, and cause the plurality of motors to drive the corresponding drive assemblies in accordance with the drive parameters.

A single seed dispenser for a precision automatic sower includes a cover for seeds to be distributed joined to a body containing a cavity in communication with an aspirator of the seeds via a conduit inserted in a hole on the body, a distribution disc with holes contained in a compartment delimited by the body and by the cover; a driving disc joined through pins to the distribution disc, both discs being put into rotation by a shaft actuated by an actuator for commanding rotation of the discs; and a selector device for the seeds pivoted on the edge of the body. The selector device includes a plate which presents at least two toothed portions, having teeth of different sizes and a curved sector mounted against the surface of the distribution disc opposite to the plate and has protrusions having inclined surface facing the distribution disc.

A portable seeding device for seed planting in a seed tray includes a seed holding plate having perforations for retaining a supply of seed on said plate and distributing the seeds on said holding plate. A vacuum chamber accumulates vacuum pressure and is in contact with the seed holding plate. A vacuum generator applies a vacuum effect within the vacuum chamber. A handle formed on the vacuum chamber allows single-handed manipulation of the seeding device. The vacuum generator is formed integral to the handle. Upon applied vacuum effect within the vacuum chamber, vacuum draw is applied to the seeds on the holding plate such that the seeds are held onto the perforations of the seed holding plate. The device is thereafter held invertedly over the seed tray and the vacuum effect is ceased, whereupon the seeds are released from the perforations into the seed tray to plant the seeds.

An automatic precise pneumatic plug tray seedling device comprises a body, a plug tray platform, a seed groove, an air pressure source, a control device, a conveyor device, a soil punching device, and a seed device. To become an automatic control of a closed loop of a pneumatic cylinder, it adjusts the input control signals through the track positioning control in the control device and the feedback signal conveyed by the conveyor device.

This disclosure is for a sliding connector pipe assembly. The assembly has a pipe defining an axis and configured to direct fluid flow, a sliding connector slidably positioned around an end portion of the pipe, the sliding connector being selectively slidable between an extended displacement and a retracted displacement relative to the pipe, and a locking mechanism that selectively prevents axial movement of the sliding connector from the extended displacement to the retracted displacement. The locking mechanism prevents the sliding member from transition from the extended displacement to the retracted displacement regardless of the rotational orientation of the sliding connector relative to the pipe about the axis.

Seed meters implementing air pressure to dispense seed into the ground in a controlled manner. In certain embodiments, a valve is actuated to push a single seed out of a seed chamber. The seed can be conveyed from the metering housing and through a seed delivery apparatus to the furrow at high speed. The seed is rapidly conveyed from the seed chamber to the furrow by a precisely controlled air pulse to eliminate variation enable high planting speeds.