Rotary Digger (e.g., Bucket Wheel) Patents (Class 37/337)
  • Patent number: 9422690
    Abstract: A BAS plow creates a V-trench along the linear route of a pipeline path and an instrumented bottle moving with the BAS plow collects BAS data indicative of the pitch, roll, heading, yaw, three dimensional positioning, speed and depth of the chassis, the shearing force applied to the seabed material and the applied tow force. The bottle can be swapped to collect the acquired data or an umbilical can be used to provide a real time stream of data. The Bas plow can simultaneously backfill the created trench, leaving an undisrupted seabed, or the pipeline can be laid in the BAS trench, which can also be made deeper and wider by additional trench cutting passes, significantly reducing the total time required for combined BAS and pipeline laying processes. The BAS plow can be released and retrieved over-the-stem of a towing vessel.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: August 23, 2016
    Inventor: Michael W. N. Wilson
  • Publication number: 20140283421
    Abstract: An underwater trenching apparatus comprising a soil cutting arrangement having a forwardly disposed cutting portion and a rearwardly disposed non-cutting portion, a soil removal device configured to remove soil from a location forward of the soil cutting arrangement and barrier device located and configured substantially to prevent passage of soil to the non-cutting portion of the soil cutting arrangement. The soil cutting arrangement is typically a rockwheel or chain cutter. The soil removal device is typically a dredge pump or eductor.
    Type: Application
    Filed: October 26, 2012
    Publication date: September 25, 2014
    Inventor: Jonathan Ralph Manchester
  • Patent number: 8555530
    Abstract: An apparatus for padding a pipeline lying in a ditch separates fine particles from coarse particles in the material excavated from the ditch and windrowed along the side of the ditch. The apparatus includes a frame having an open ended hollow separating drum having a plurality of scoop members adapted to lift and drop excavated material through a screen located beneath the scoop members. The scoop members are spaced above the screen a distance such that the efficiency of the separating drum is increased.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: October 15, 2013
    Inventors: Thomas J. Cronk, Jr., Billy W. Cronk
  • Patent number: 8356431
    Abstract: A method of scheduling communications in a multi-node wireless mesh network which has a first network device and a second network device includes defining a communication timeslot of a predetermined duration, defining a first superframe having a repeating superframe cycle including a first number of the communication timeslots, defining a second superframe having a repeating superframe cycle including a second number of the communication timeslots, aligning the first superframe with the second superframe, so that one of the timeslots of the first superframe begins simultaneously with one of the timeslots of the second superframe, and associating the first and the second superframes with a network schedule, so that the first network device and the second network device transmit data according to the network schedule.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: January 22, 2013
    Assignee: Hart Communication Foundation
    Inventors: Wallace A. Pratt, Jr., Mark J. Nixon, Eric D. Rotvold, Robin S. Pramanik, Tomas P. Lennvall, Yuri Zats, Terrence L. Blevins
  • Publication number: 20120285051
    Abstract: An apparatus, system and method for remediation of contamination in aquatic environments. The apparatus comprises: a vessel including an opening, and an uptake line or pump coupled to the vessel and configured to transport the contained and suspended materials from an interior of the vessel to an exterior of the vessel. The opening is facing a bottom of a body of water, and the vessel is in direct physical contact with the bottom of the body of water. The vessel has been configured to contain and suspend materials inside the vessel. The uptake line or pump housing includes an attachment selected from the group consisting of an impeller, e.g. an air and/or water cannon, a pump, and a sliding collar.
    Type: Application
    Filed: December 1, 2010
    Publication date: November 15, 2012
    Inventor: Thomas J. Kryzak
  • Publication number: 20120272552
    Abstract: A cutter head according to the invention is particularly suitable for breaking relatively hard ground, is self-sharpening and has an extended service life.
    Type: Application
    Filed: July 5, 2010
    Publication date: November 1, 2012
    Applicant: DREDGING INTERNATIONAL N.V.
    Inventor: Bruno Tack
  • Patent number: 7739812
    Abstract: A cutter head for a cutter suction dredger to be mounted rotatably about a cutter head center axis with respect to a suction device for sucking up material cut loose by the cutter head from the bottom of a body of water, which cutter head includes a base ring, a boss spaced from the base ring in the direction of the center axis, and a plurality of arms which extend from the base ring to the boss and are distributed at regular intervals in the peripheral direction, each arm has a series of teeth located on the radially outermost parts of the arm and directed outwards at an angle with respect to the peripheral direction, the direction of rotation of the cutter head being set such that the teeth perform a cutting movement, with non-return mechanisms, preventing movement of cut material from the center axis to the exterior.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: June 22, 2010
    Assignee: Vosta LMG B.V.
    Inventor: Klaas Geert Wijma
  • Publication number: 20030000114
    Abstract: A material distribution vessel for distributing material recovered in a dredging operation is disclosed. The material distribution vessel includes a hull; a propulsion system for selectively moving the hull through a waterway; and a conveyor system supported by the hull. The conveyor system has a first end for receiving recovered material and a second end for depositing the recovered material. At least a portion of the conveyor system is movable relative to the hull to move the second end to a desired position. The material distribution vessel also includes at least one support pad. The at least one support pad is movable in at least a vertical direction to support the hull on a bottom of the waterway. The recovered material may be deposited into the waterway to form an island (which may be a levy), into another water-borne vessel, or into an on-shore station such as a wheeled transportation vehicle.
    Type: Application
    Filed: August 26, 2002
    Publication date: January 2, 2003
    Inventor: Dennis R. Thomas
  • Patent number: 6467200
    Abstract: A shoe mechanism adapted for use on a dredging apparatus (10) to remove silt from under the surface of a body of water and associated method, the dredging apparatus being operative in both a forward and reverse direction of travel and including an excavating wheel assembly (16), the shoe mechanism including a pair of outer shoe assemblies (18) pivotally connected to the wheel frame assembly (24), one of the shoe assemblies being located adjacent a portion of the wheel assembly (16) on the leading side thereof and one of the shoe assemblies being located adjacent a portion of the wheel assembly (16) on the trailing side thereof, each of the outer shoe assemblies (18) being pivotally movable between an operative position wherein the shoe assembly is positioned adjacent the outermost circumference (28) of the wheel assembly (16) between the silt bed and a point above the water level, and a retracted position wherein the shoe assembly is spaced from the outermost circumference (28) of the wheel assembly (16), one
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: October 22, 2002
    Assignee: Caterpillar Inc.
    Inventor: Ronnie L. Satzler
  • Patent number: 6357150
    Abstract: A rotating drive wheel assembly for steering and maneuvering a dredging apparatus includes a carrier wheel and an orientation wheel connected to opposite ends of a pivotation member. A plurality of spade devices are connected to the wheels, each including a blade portion pivotally coupled to a spoke plate of the carrier wheel, and an arm portion pivotally coupled at opposite ends to the outer portion of the carrier wheel and another carrier wheel spoke plate member. The construction of the present drive wheel assembly allows the spade devices to remain in a substantially vertical orientation when the carrier wheel is rotated about its axis of rotation.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: March 19, 2002
    Assignee: Caterpillar Inc.
    Inventor: Ronnie L. Satzler
  • Patent number: 6343559
    Abstract: A system for transporting material recovered in a dredging operation performed by a dredge is disclosed. The system includes a water-borne material distribution vessel including a conveyor system for receiving and depositing the recovered material. It also includes at least one water-borne material transportation vessel for transporting recovered material from the dredge to the material distribution vessel. The water-borne material distribution vessel can deposit the material into the waterway to form an island (which may be a levy), into another water-borne vessel, or into an on-shore station such as a wheeled transportation vehicle.
    Type: Grant
    Filed: February 24, 2000
    Date of Patent: February 5, 2002
    Assignee: Kress Corporation
    Inventor: Dennis R. Thomas
  • Patent number: 6289613
    Abstract: An ejector mechanism (20) adapted for use on a dredging apparatus (10) to remove silt from under the surface of a body of water and associated method, the dredging apparatus being operative in a forward and reverse direction and including first (32) and second (34) excavating wheel assemblies each having a plurality of silt retaining chambers (40) associated respectively therewith, the ejector mechanism urging the silt material from the respective chambers as the wheel assemblies rotate during a dredging operation and including a crankshaft member (56) rotatably mounted to the wheel frame assembly (24, 62, 64) and having first (58) and second (60) eccentric arm portions associated therewith, the crankshaft member (56) being operatively coupled to the first (32) and second (34) wheel assemblies for rotation in proportion to the rotation of the wheel assemblies, the crankshaft member (56) being rotatable in both a clockwise and counterclockwise direction based upon the direction of movement of the dredging appa
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: September 18, 2001
    Assignee: Caterpillar Inc.
    Inventor: Ronnie L. Satzler
  • Patent number: 6022173
    Abstract: A self-guided system for trenching water bottoms for the installation of a pipeline. The preferred embodiment of the present invention teaches a system which is configured to be mounted about the pipeline to be buried, and which further contemplates a uniquely configured, forward mounted trenching/drive mechanism incorporating a cutter wheel generally about the width of the desired trench, the mechanism configured to propel the system as well as trench the desired area. An alternative embodiment of the contemplates a frontal high pressure jet array in lieu of the cutter head. The trenching/drive mechanism of the preferred embodiment of the present invention further includes a high pressure spray array mounted about the frontal cutter wheel area, and a suction/mud pump assembly to the rear of the cutter wheel. The high pressure spray array provides the dual purpose function of loosening the area to be trenched, as well as cleaning and removing the trenched matter from the cutter wheel.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: February 8, 2000
    Inventor: Saint E. Saxon
  • Patent number: 5960570
    Abstract: A silt removal apparatus is provided for removing silt from under a body of water. The silt removing apparatus includes a silt removing wheel rotatably mounted on a floatation arrangement. The silt removing wheel has a plurality of silt retaining chambers defined by a plurality of vanes. Once the silt has been retained in the silt retaining chambers a shield mechanism shields the silt from the water as the silt retaining chambers rotates through the body of water. Once the respective silt retaining chambers of the silt removing wheel reaches an upper most position, an ejector mechanism aids in the removal of the silt from the silt retaining chambers. A conveyor arrangement transports the silt to a storage site. In the event an object is wedged between the shield mechanism and the silt removing wheel, a release mechanism trips and the silt removing wheel is stopped in order to remove the object. The subject silt removing apparatus is an effective apparatus to remove silt from under a body of water.
    Type: Grant
    Filed: April 1, 1997
    Date of Patent: October 5, 1999
    Assignee: Caterpillar Inc.
    Inventor: Ronnie L. Satzler
  • Patent number: 5907915
    Abstract: An ejector mechanism operates to force silt material from individual chambers in a rotating wheel of a silt removal machine. The rotating wheel removes the silt material from under a shallow body of water by collecting it in individual chambers of the rotating wheel. Since the silt material is generally soft and sticky, the ejector mechanism urges the silt material from the respective chambers as the wheel rotates. The ejector mechanism includes a rotating crank that rotates as the excavator wheel rotates and is connected by a link to an ejector arm.
    Type: Grant
    Filed: April 1, 1997
    Date of Patent: June 1, 1999
    Assignee: Caterpillar Inc.
    Inventor: Ronnie L. Satzler
  • Patent number: 5639185
    Abstract: A self-guided system for trenching water bottoms for the installation of a pipeline. The preferred embodiment of the present invention teaches a system which is configured to be mounted about the pipeline to be buried, and which further contemplates a uniquely configured, forward mounted trenching/drive mechanism incorporating a cutter wheel generally about the width of the desired trench, the mechanism configured to propel the system as well as trench the desired area. The trenching/drive mechanism of the present invention further includes a high pressure spray array mounted about the frontal cutter wheel area, and a suction/mud pump assembly to the rear of the cutter wheel.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: June 17, 1997
    Inventor: Saint Elmo Saxon
  • Patent number: 5638620
    Abstract: The present invention discloses a dredging assembly which includes a vessel having at least one opening therein. A dredging pole of a predetermined length is positioned in and extends through the opening and is positioned substantially perpendicular to the vessel when in the dredging position. A dredging wheel is positioned at the lower end of the dredging pole with a vertically movable tension wheel at an upper end of the dredging pole and a reversing wheel spaced horizontally from the dredging pole. An endless cable is mounted on the dredging pole extending around the tensioning wheel, dredging wheel and reversing wheel and a plurality of the scoops are mounted on the endless cable, wherein the scoops are turned upside down by the reversing wheel for dumping the material carried therein.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: June 17, 1997
    Assignee: Barrages Services International B.V.
    Inventor: Leendert Pieter Dirk Van Der Kooy
  • Patent number: 5456551
    Abstract: A self-guided system for trenching water bottoms for the installation of a pipeline. The preferred embodiment of the present invention teaches a system which is configured to be mounted about the pipeline to be buried, and which further contemplates a uniquely configured, forward mounted trenching/drive mechanism incorporating a cutter wheel generally about the width of the desired trench, the mechanism configured to propel the system as well as trench the desired area. The trenching/drive mechanism of the present invention further includes a high pressure spray array mounted about the frontal cutter wheel area, and a suction/mud pump assembly to the rear of the cutter wheel. The high pressure spray array provides the dual purpose function of loosening the area to be trenched, as well as cleaning and removing the trenched matter from the cutter wheel.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: October 10, 1995
    Inventor: Saint E. Saxon
  • Patent number: 5282694
    Abstract: Settling ponds used in strip mining are reclaimed using lightweight amphibious vehicles which are capable of traversing land, water or clay surfaces and wherein the method consists of pumping clay settled in subsurface areas and spreading the clay remotely over crusted surface areas to thereby create stabilized low profile drainage ditches which extend from low level areas of the ponds to the perimeters thereof to allow water drain off to the perimeter.
    Type: Grant
    Filed: November 17, 1992
    Date of Patent: February 1, 1994
    Assignee: Kempco, Inc.
    Inventors: Mihaly Kovacs, Peter Kovacs, Endro Kovacs
  • Patent number: 5267830
    Abstract: A pump for handling abrasive materials includes a housing having two chambers. A shaft mounts a high pressure impeller and a high volume impeller in respective chambers of the housing, each chamber having a separate and opposite inlet. A channel is provided to divert a portion of the flow generated by the high pressure impeller to a purge ring adjacent the primary inlet corresponding to the high volume impeller. The purge ring directs a flow of relatively abrasive-free liquid toward the inlet to reduce wear on the housing and high-volume impeller. Another part of the flow from the high pressure impeller is diverted through the housing to isolate portions of the housing and the high volume impeller from the abrasive material laden intake through the primary inlet.
    Type: Grant
    Filed: October 13, 1992
    Date of Patent: December 7, 1993
    Assignee: Innovative Material Systems, Inc.
    Inventors: Dean R. Wickoren, Richard J. Wickoren, Troy L. Pennington, Lawrence E. Klote, Lawrence R. Gardner, Ronald L. Dellinger