Abstract: The present invention is a debarking ring apparatus to prevent operational downtime of logs debarking by having two debarking rings placed on the same vertical plan, perpendicular to the flow of incoming and outgoing logs, and parallel to each other. Only one ring may be operational at a time. As such, maintenance may be done on one of the rings while the other is in operation. Debarking rings may have varying sizes and shapes independent from each other. Each debarking ring may further have its own frame, actuator and control and motorization modules. A sliding system, supported by a frame, may further direct the lateral displacement of both rings. Also presented is a method of processing logs through the debarking ring apparatus.

Abstract: A stump cutter tooth assembly includes a stump cutter tooth held by a pocket member that includes an arcuate shoulder having one or more tabs. A stump cutter tooth is adapted to be mounted on the pocket member. The stump cutter tooth includes a tooth body having one or more recesses and an arcuate outer surface. The arcuate outer surface of the stump cutter tooth is adapted to abut against the arcuate shoulder of the pocket member to prevent unwanted movement of the stump cutter tooth relative to the pocket member during the cutting operation. The one or more recesses of the stump cutter tooth cooperate with the one or more tabs of the pocket member to provide an anti-rotation and locating feature.

Abstract: A soft reduction device (1) of a round-section metal product, having liquid or partially liquid core, for reducing the thickness of said metal product coming from a continuous casting machine, the device comprising at least two soft reduction units (2, 3); in which said at least two soft reduction units (2, 3) are arranged in series; in which each soft reduction unit (2, 3) is provided with a group of only three rolls arranged at 120° from one another; and wherein the group of three rolls (7, 8, 9) of one soft reduction unit is offset by a predetermined angle with respect to the group of three rolls (10, 11, 12) of an adjacent soft reduction unit.

Abstract: The present invention relates to a demount-free electrical cleanable filter, which includes a housing and a main filter cylinder in the housing. the housing is provided with a cleaning hoop and a reciprocating driving device. The cleaning hoop is sleeved on cylinder filtering material of the main filter cylinder. The reciprocating driving device drives the cleaning hoop to move up and down repeatedly, so as to conduct a clean-up operation on the main filter cylinder. The beneficial effect of the present invention is as follows. The present invention can be used in vehicle using fuel, engine and industry, environmental filtering, according to the flow rate and different designs of material. By a novel structure design, the lifetime of the present filter is greatly improved. During the entire life cycle of the filter, an apparatus which uses the present filter does not need to replace the fuel filter.

Abstract: In various embodiments, a feeding device may comprise a support having feed cylinders arranged in a free end of a respective supporting arm and driven in rotation, wherein the supporting arms in a supported end are journalled in the support on shafts extending in parallel with each other and are pivotable about the shafts between a home position and a pivoted work position, and wherein the supporting arms are mutually connected to each other via a system of articulated links and by means of the links are forced to pivot jointly about their respective shafts, and a movement damping element, which is separate from the support, is integrated in the system of links and independently from the support configured to brake the return movement of the supporting arms from the pivoted position.

Abstract: A wood chipper comprising a chamber in which wood is chipped, a discharge of chipped wood from the chamber, and a pair of rollers at least one of which is driven. The rollers are positioned for feeding of wood between the rollers and into the chamber. One of the rollers is a smooth roller, and an other of the rollers is driven and has cutting elements thereon. The at least one roller is driven by a hydrostatic pump. A plurality of legs are height adjustable for supporting the wood chipper and for positioning a power receiving means at different heights for aligning with connection to a tractor power take-off.

Abstract: A timber-working device comprises a frame having a feed axis and a drive system configured to feed at least one stem along the feed axis. The drive system comprises a first drive arm pivotally attached to the frame on a first side of the feed axis, having a first rotary drive having a first wheel. A second drive arm is also pivotally attached to the frame on a second side of the feed axis, having a second rotary drive having a second wheel. The drive system also comprises a third rotary drive having a third wheel, and a fourth rotary drive having a fourth wheel, mounted on the frame on the first and second sides of the feed axis respectively. At least one processor controls operation of the rotary drives, such that in a first mode the speed of the respective wheels of the rotary drives on the same side of the feed axis is substantially the same, and in a second mode the speed of the respective wheels of at least two rotary drives on opposing sides is substantially the same.

Abstract: Methods and systems for communicating a signal between a rotating antenna and a plurality of stationary antennae based on an axial displacement of the rotating antenna are provided. In one example, the method can include obtaining one or more measurements of an axial displacement of the rotating antenna from one or more axial displacement sensors. The method can further include determining a selected stationary antenna from the plurality of stationary antennae based at least in part on the measurements of an axial displacement of the rotating antenna. The method can further include activating the selected stationary antenna to communicate a signal with the rotating antenna. The method can further include communicating a signal between the rotating antenna and the selected stationary antenna.

Abstract: Methods and systems are provided for conducting an evaporative emissions system leak test. In one example, at engine shut-down, pressure stored in a coolant degas bottle is applied to a fuel system in order to pressurize the system. In this way, pressure build-up in the degas bottle may be advantageously utilized to enable a leak test to be conducted.

Abstract: A land preparation tool includes a tool body having a longitudinal axis, wherein the tool body includes a cutting surface and a mounting surface disposed on the tool body opposite the cutting surface, wherein the mounting surface includes an apex that extends along about half of the mounting surface parallel to the longitudinal axis and first and second side mounting surfaces that extend from the apex; a blade disposed on the same side of the tool body as the cutting surface; and a channel disposed into the mounting surface and extending into the tool body.

Abstract: A butt flare reducing apparatus for logs is provided. The apparatus includes a machine frame, a stator ring assembly fixedly coupled to the machine frame, and a flare reducing tool adjustment assembly movably coupled to the stator ring assembly. The apparatus further includes an actuator coupled on one end to the machine frame and on the other end to the flare reducing tool adjustment assembly to move the flare reducing tool adjustment assembly between the opposing end positions, and a rotor assembly rotatably coupled to the stator ring assembly. The rotor assembly includes a rotor frame and at least one flare reducing tool movably coupled to the rotor frame to translate linearly toward and away from a longitudinal axis of rotation in direct correlation to movement of the actuator and flare reducing tool adjustment assembly to adjust a log processing diameter. Related methods are also provided.

Abstract: A pipe cleaning device has a housing movable along a pipe to remove a coating. A stripper head, preferably water jets, are located in the housing to remove the coating from the pipe. The coating is removed from the housing by a vacuum hose and a comminution device is located in the housing to reduce the size of the stripped coating and facilitates passage along the hose. The comminution device includes a rotor driven by an external motor and aligned with the axis of the hose.

Abstract: Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be easily adjusted to process different logs. Air-cell rings provide for a wide range of force gradients to process both large and small diameter logs. The rings include force gradient adjustment mechanisms configurable to provide different force gradients to process logs.

Abstract: A collar is positionable around a trunk of a palm tree. The upper section has an annular track and a slot. Each drive wheel has a motor and a bracket with a lower end that supports a drive wheel. The upper end of each bracket is coupled to the collar with a spring. A saw is positioned above the collar. A saw motor is provided. A radial positioning assembly includes a plurality of arms that couple the saw, the collar and motors to vary the position of the saw. A circumferential positioning assembly includes a trolley. The trolley has wheels and a motor to move the trolley along the track. The lower end of the lower arm extends upwardly through the slot and is coupled to the trolley. A controller has switches to control the motor. Further in this manner the positioning and activating of the saw is controlled.

Abstract: Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be used for quickly and conveniently replacing contact surfaces, such as leading edges, of-swing arm assemblies (110). Some disclosed embodiments include a swing arm assembly having a replaceable insert (121) that defines a leading edge for engaging logs (130) moving along a processing line. The insert can be made of a wear resistant material for a prolonged life. A worn insert (121) can be replaced with another insert to ensure proper functioning of the debarker.

Abstract: In a scraping or debarking apparatus a blade and a workpiece having an outer surface to be scraped are relatively moved by rotation of the workpiece about an axis or orbiting of the blade about the axis such that the blade moves angularly relative to the surface. The blade has a body with a front side face turned radially generally toward the workpiece, a back side face turned away from the workpiece, and an edge face bridging the front and back faces and forming with the front face a corner. The body is oriented such that the corner is in engagement with the workpiece surface, and a strip of a material harder than a material of the body extends on the edge face along the corner.

Abstract: A tool for a ring-rotor log debarker, including an elongate, curved body for being attached by one end to a ring rotor of a log debarker. At least one attachment hole extends through the curved body of the tool on a free end opposite the one end attached to the ring rotor, and communicates with the first and second upstream and downstream oriented surfaces. A tip is placed onto the free end of the tool body, and includes an attachment hole sized and positioned for alignment with the at least one attachment hole in the tool body and for receiving a bolt through the aligned attachment holes for securing the tip to the tool body.

Abstract: Apparatuses, systems, and methods for transporting logs through a debarker are shown and described. The disclosed embodiments of roller assemblies can be used for quickly and conveniently moving logs along a processing line. Some disclosed embodiments include fluted rollers that carry replaceable inserts. The inserts can protect the logs and the rigid flutes of the roller. The insert can be made of a wear resistant material for a prolonged life. A worn insert can be replaced with another insert to ensure proper functioning of the roller assemblies.

Abstract: An apparatus for surfacing a flitch by cutting material from its radially outer surface to prepare the flitch for veneer slicing or other uses. The apparatus comprises a cutterhead rotatable about a cutterhead axis. The apparatus further comprises a carriage comprising a ring that rotates about a carriage axis and a pivot arm that carries the cutterhead and is coupled to the rotatable ring for pivoting movement about a pivot arm axis. The apparatus further comprises a flitch contour accommodation device coupled to the pivot arm and to the cutterhead to permit rotation of the cutterhead about a device axis that is generally transverse to the cutterhead axis.

Abstract: A tool for a ring-rotor log debarker, including an elongate, curved body for being attached by one end to a ring rotor of a log debarker. At least one attachment hole extends through the curved body of the tool on a free end opposite the one end attached to the ring rotor, and communicates with the first and second upstream and downstream oriented surfaces. A tip is placed onto the free end of the tool body, and includes an attachment hole sized and positioned for alignment with the at least one attachment hole in the tool body and for receiving a bolt through the aligned attachment holes for securing the tip to the tool body.

Abstract: Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be used for quickly and conveniently replacing contact surfaces of swing arm assemblies. Some disclosed embodiments include a swing arm assembly having a debarker tip assembly with a plurality of replaceable cutting elements for engaging logs moving along a processing line. Side-by-side cutting elements can be made of a wear resistant material for a prolonged life. A worn cutting element can be replaced with another cutting element to ensure proper functioning of the debarker apparatus.

Abstract: A debarking blade includes an elongate blade body having an attachment end, an opposed free end, and an arcuate concave inner edge surface extending between the opposing ends and adapted to face generally inwardly toward the rotational axis of the ring rotor. A detachable cutting tip having a cutting edge thereon is releasably mounted on the free end of the blade body for engaging and debarking a log. A detachable climbing edge insert is releasably mounted on the blade body between the attachment end and the free end. The climbing edge portion engages successive logs being fed into the debarker for deflecting the debarking blade out of the path of the logs.

Abstract: The barking device includes a barking arm and a barking tool which is mounted in a tool seat of the barking arm. The barking tool has a convex mounting surface, while the seat surface of the barking arm is concave. The barking tool is movably mounted in the tool seat and displaceable by rotating displacement. It is connected to the tool seat by a screw and a sleeve-like nut. The head of one of the screw or nut is designed to prevent displacement and rotation of the barking tool.

Abstract: The invention provides a brush cutter and chipper that attaches to the end of an articulating arm or boom on equipment. The cutter may utilize existing hydraulic power and controls. The cutter includes a housing with external feed assembly that feeds material through a gate to an internal cutting assembly. The feed assembly has a tensioned upper roller that may move arcuately and a stationary lower roller. The rollers preferably rotate oppositely and each has peripheral cleats to facilitate feeding. The housing mounts an internal rotating drum that may be rotationally linked with the rollers. The drum has a cutting surface, which may be a peripherally wound toothed chain, that cuts entering materials smaller pieces. The drum rotates against the bottom side of the fed material to insure that the material is cut into small pieces. The small pieces exit through a chute at the bottom of the housing.

Abstract: A tip for a rotary debarker has a polygonal main body with a front surface and a rear surface, and at least one cutting blade along each of the opposed edges. The main body includes a non-circular mounting boss extending from the rear surface. The main body is mounted to a tip holder that has a non-circular seat for receiving the non-circular mounting boss. The non-circular mounting boss and seat restrict relative movement between the tip and the holder during cutting operations. The tip is reversible relative to the holder to provide two operative cutting blades per tip.

Abstract: A butt reducer machine is provided to remove excess wood from the swelled butt ends of logs. Cutting heads supported on pivoting arms, carried in turn within a rotating frame, are caused to oscillate circumferentially about the portion of the log to be removed. This butt-removal process may be carried out while a log is in motion longitudinally, either before or after the log enters a de-barking machine. The process may also be effected on a stationary log.

Abstract: The present invention relates to a barking machine which comprises a frame (1), barking rotor (2), which is rotably mounted on the frame (1) and which barking rotor comprises a rotor frame (3), barking blades (4) mounted on the rotor frame (3), and a first power unit (5) mounted on the rotor frame (3) that is connected to the barking blades (T) for transferring the barking force into them. According to the invention, in the barking rotor there is arranged an adjustment device (6) movable with respect to the rotor frame, and a second power unit (7) which is mounted on the frame (3) for transmitting the barking force via the first power unit (5) to the barking blades (4). This solution enables one to adjust the barking depth of the barking blades without stopping the barking rotor.

Abstract: A rotary ring log debarker including one or more rotary rings each carrying one or more sets of equiangularly distributed log debarking arms and tools, in such a manner that the overall machine includes at least two axially offset (leading and trailing) sets of debarking tool arms which perform debarking in two different axially spaced planes. The trailing edges of the tool tips in the leading arm set are spaced upstream from the leading edges of the tool tips in the trailing arm set.

Abstract: A replaceable cutting piece and a cutting arm for a debarking cutter for a debarking machine of a hollow-rotor type, which cutting piece (6) and cutting arm (4) comprise supporting surfaces and abutment surfaces for receiving loads acting on the cutting piece fastened by a retaining screw to a housing (7) formed in the cutting arm. In order to direct the loads acting on the cutting piece in full to the cutting arm instead of to the retaining screw, the cutting piece and the cutting arm comprise supporting surfaces and abutment surfaces (9a to 9d, 11a, 11b, 12a, 14a, 14b) for receiving the loads acting on the cutting piece in the direction of the axle, the radius and the tangent of the rotor and the torque caused by said loads, which surfaces are situated in perpendicular planes with respect to one another.

Abstract: The present invention relates to a processing means for barking machines of the type having a plurality of swinging arms, each being at an inner end pivotally mounted on a rotatable, annular rotator, while at an opposite outer free end, they carry such a processing means and are actuated by a spring load which strives to pivot the outer end inwards to the axis of rotation of the rotator. The processing means comprises a front, a rear, an upper and a lower surface, which are designed in such manner that an edge serving as a processing edge is defined between the front and the upper surface. The, lower surface is formed with an engaging means which is adapted to engage a matching formation in a seat in the outer end of the swinging arm. The rear surface acts as a supporting surface which serves to abut against a corresponding swinging arm supporting surface which is directed forwards or obliquely forwards against the direction of feed of the logs.

Abstract: A delimbing device includes a cutting head assembly having (i) a cutting blade configured to cut branches off of a tree and (ii) a bar saw configured to cut through the tree. The device also includes a first support member supporting the cutting head assembly. The device further includes a second support member supporting the cutting head assembly. The device also includes a bearing assembly secured to the first support member and the second support member so that (i) the bearing assembly is interposed between the first support member and the second support member and (ii) the cutting head assembly can rotate relative to the second support member around an axis of rotation such that when a rotational force is applied to the cutting head assembly the cutting head assembly rotates from a first orientation to a second orientation.