| Patent application number | Description | Published |
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| 20120199073 | System and Method for Determining Whether to Operate a Robot in Conjunction With a Rotary Milking Platform Based on Detection of a Milking Claw - In certain embodiments, a system includes a robotic arm. The robotic arm is operable to extend between the legs of a dairy livestock located in a milking stall of a rotary milking platform. The system also includes a controller communicatively coupled to the robotic arm. The controller is operable to determine whether a milking claw is attached to the teats of the dairy livestock. The controller is also operable to control the robotic arm to extend between the legs of the dairy livestock based at least in part on whether the milking claw is attached. | 08-09-2012 |
| 20120200674 | System and Method for Determining Whether to Operate a Robot in Conjunction with a Rotary Parlor - In certain embodiments, a system includes a three-dimensional camera and a processor communicatively coupled to the three-dimensional camera. The processor is operable to determine a first hind location of a first hind leg of a dairy livestock based at least in part on visual data captured by the three-dimensional camera and determine a second hind location of a second hind leg of the dairy livestock based at least in part on the visual data. The processor is further operable to determine a measurement, wherein the measurement is the distance between the first hind location and the second hind location. Additionally, the processor is operable to determine whether the measurement exceeds a minimum threshold. | 08-09-2012 |
| 20120204805 | Vision System for Facilitating the Automated Application of Disinfectant to the Teats of Dairy Livestock - In certain embodiments, a system includes a controller operable to access an image signal generated by a camera. The accessed image signal corresponds to one or more features of the rear of a dairy livestock. The controller is further operable to determine positions of each of the hind legs of the dairy livestock based on the accessed image signal. The controller is further operable to determine a position of an udder of the dairy livestock based on the accessed image signal and the determined positions of the hind legs of the dairy livestock. The controller is further operable to determine, based on the image signal and the determined position of the udder of the dairy livestock, a spray position from which a spray tool may apply disinfectant to the teats of the dairy livestock. | 08-16-2012 |
| 20120204807 | Vision System for Facilitating the Automated Application of Disinfectant to the Teats of Dairy Livestock - In certain embodiments, a system includes a controller operable to access an image signal generated by a camera. The accessed image signal corresponds to one or more features of the rear of a dairy livestock. The controller is further operable to determine positions of each of the hind legs of the dairy livestock based on the accessed image signal. The controller is further operable to determine a position of an udder of the dairy livestock based on the accessed image signal and the determined positions of the hind legs of the dairy livestock. The controller is further operable to determine, based on the image signal and the determined position of the udder of the dairy livestock, a spray position from which a spray tool may apply disinfectant to the teats of the dairy livestock. | 08-16-2012 |
| 20120210938 | System and Method for Controlling the Position of a Robot Carriage Based on the Position of a Milking Stall of an Adjacent Rotary Milking Platform - A system includes a carriage track positioned adjacent to a rotary milking platform, a robot carriage mounted to the carriage track, and a controller. The controller is operable to receive both a first rotary encoder signal indicating a first rotational position of a milking stall of the rotary milking platform (corresponding to a starting linear position of the robot carriage) and a second rotary encoder signal indicating a second rotational position of the milking stall. The controller is further operable to determine, based on a difference between the first and second signals, a desired linear position of the robot carriage on the carriage track (a position corresponding to the second rotational position of the milking stall). The controller is further operable to communicate a position signal to a carriage actuator, the position signal causing the carriage actuator to move the robot carriage to the desired linear position. | 08-23-2012 |
| 20120216748 | System and Method for Using Robots in Conjunction With a Rotary Milking Platform - In certain embodiments, a system includes a first robotic device operable to prepare the teats of a first dairy livestock located in a first milking stall of a rotary milking platform. The system also includes a second robotic device operable to attach a first milking device to the teats of a second dairy livestock located in a second milking stall of the rotary milking platform. The system also includes a third robotic device operable to attach a second milking device to the teats of a third dairy livestock located in a third milking stall of the rotary milking platform. The system also includes a fourth robotic device operable to apply a sanitizing agent to the teats of a fourth dairy livestock located in a fourth milking stall of the rotary milking platform subsequent to a removal of a third milking device from the teats of the fourth dairy livestock. | 08-30-2012 |
| 20120216752 | Automated System for Applying Disinfectant to the Teats of Dairy Livestock - A system for applying disinfectant to the teats of a dairy livestock includes a carriage mounted on a track, the carriage operable to translate laterally along the track. The system further includes a robotic arm including a first member pivotally attached to the carriage, a second member pivotally attached to the first member and a spray tool member pivotally attached to the second member. The robotic arm further includes a spray tool attached to the spray tool member. The system further includes a controller operable to cause at least a portion of the robotic arm to extend between the hind legs of a dairy livestock such that the spray tool may discharge a disinfectant to the teats of the dairy livestock. | 08-30-2012 |
| 20120216753 | Automated System for Applying Disinfectant to the Teats of Dairy Livestock - A system for applying disinfectant to the teats of a dairy livestock includes a carriage mounted on a track, the carriage operable to translate laterally along the track. The system further includes a robotic arm including a first member pivotally attached to the carriage, a second member pivotally attached to the first member and a spray tool member pivotally attached to the second member. The robotic arm further includes a spray tool attached to the spray tool member. The system further includes a controller operable to cause at least a portion of the robotic arm to extend between the hind legs of a dairy livestock such that the spray tool may discharge a disinfectant to the teats of the dairy livestock. | 08-30-2012 |
| 20120216754 | Automated System for Applying Disinfectant to the Teats of Dairy Livestock - A system for applying disinfectant to the teats of a dairy livestock includes a carriage mounted on a track, the carriage operable to translate laterally along the track. The system further includes a robotic arm including a first member pivotally attached to the carriage, a second member pivotally attached to the first member, and a spray tool member pivotally attached to the second member. The robotic arm further includes a spray tool attached to the spray tool member. The system further includes a controller operable to cause at least a portion of the robotic arm to extend between the hind legs of a dairy livestock such that the spray tool may discharge a disinfectant to the teats of the dairy livestock. | 08-30-2012 |
| 20120222622 | Automated System for Applying Disinfectant to the Teats of Dairy Livestock - A system for applying disinfectant to the teats of a dairy livestock includes a carriage mounted on a track, the carriage operable to translate laterally along the track. The system further includes a robotic arm including a first member pivotally attached to the carriage, a second member pivotally attached to the first member and a spray tool member pivotally attached to the second member. The robotic arm further includes a spray tool attached to the spray tool member. The system further includes a controller operable to cause at least a portion of the robotic arm to extend between the hind legs of a dairy livestock such that the spray tool may discharge a disinfectant to the teats of the dairy livestock. | 09-06-2012 |
| 20120272902 | Milking Box with Robotic Attacher - In certain embodiments, a system includes a front wall, a rear wall positioned substantially parallel to the front wall, and first and second side walls each extending between the front wall and the rear wall. The first side wall includes a gate, and the second side wall is spaced apart from the first side wall such that the front wall, the rear wall, the first side wall, and the second side wall define a milking box stall of a size sufficient to accommodate a dairy livestock. The system includes an equipment portion located adjacent to the rear wall. The equipment portion houses a robotic attacher configured to extend between the rear legs of a dairy livestock located within the milking box stall in order to attach milking equipment to the dairy livestock. | 11-01-2012 |
| 20120272903 | System and Method for Improved Attachment of a Cup to a Dairy Animal - In an exemplary embodiment, a system includes a milking cup, a pulsating device coupled to the milking cup, a robotic arm comprising a gripper, and a controller communicatively coupled to the robotic arm and the pulsating device. The controller is operable to instruct the gripper of the robotic arm to grip the milking cup, instruct the robotic arm to move the milking cup proximate to a teat of a dairy livestock, and instruct the robotic arm to move the milking cup towards the teat. The controller is further operable to instruct the pulsating device to apply pressure to the milking cup before attaching the milking cup to the teat and instruct the gripper of the robotic arm to release the milking cup. | 11-01-2012 |
| 20120272904 | SYSTEM AND METHOD OF ATTACHING A CUP TO A DAIRY ANIMAL ACCORDING TO A SEQUENCE - In certain embodiments, a robotic attacher performs a method of attaching and detaching a cup from the teats of a dairy livestock in the sequence of right front teat, left front teat, left rear teat, and right rear teat. The method comprises the steps of determining a reference point and then, for each teat, positioning the cup relative to the reference point, determining a location of the teat, attaching the cup to the teat, and detaching the cup from the teat. In certain alternate embodiments, the sequence of attaching and detaching the cup comprises left front teat, right front teat, right rear teat, and left rear teat. | 11-01-2012 |
| 20120272905 | SYSTEM AND METHOD OF ATTACHING CUPS TO A DAIRY ANIMAL - In certain embodiments, a robotic attacher retrieves cups from the right side of an equipment area located behind a dairy livestock and attaches the cups to the teats of the dairy livestock in sequence. The sequence comprises attaching a first cup to the right front teat, a second cup to the left front teat, a third cup to the right rear teat, and a fourth cup to the left rear teat. In certain alternative embodiments, the robotic attacher retrieves cups from the left side of the equipment area, and the sequence comprises attaching a first cup to the left front teat, a second cup to the right front teat, a third cup to the left rear teat, and a fourth cup to the right rear teat. | 11-01-2012 |
| 20120272906 | Milking Box With Robotic Attacher - In certain embodiments, a system includes a front wall, a rear wall positioned substantially parallel to the front wall, and first and second side walls each extending between the front wall and the rear wall. The first side wall includes a gate, and the second side wall is spaced apart from the first side wall such that the front wall, the rear wall, the first side wall, and the second side wall define a milking box stall of a size sufficient to accommodate a dairy livestock. The system includes an equipment portion located adjacent to the rear wall. The equipment portion houses a robotic attacher configured to extend between the rear legs of a dairy livestock located within the milking box stall in order to attach milking equipment to the dairy livestock. | 11-01-2012 |
| 20120272907 | Milking Box With Robotic Attacher - In certain embodiments, a system includes a front wall, a rear wall positioned substantially parallel to the front wall, and first and second side walls each extending between the front wall and the rear wall. The first side wall includes a gate, and the second side wall is spaced apart from the first side wall such that the front wall, the rear wall, the first side wall, and the second side wall define a milking box stall of a size sufficient to accommodate a dairy livestock. The system includes an equipment portion located adjacent to the rear wall. The equipment portion houses a robotic attacher configured to extend between the rear legs of a dairy livestock located within the milking box stall in order to attach milking equipment to the dairy livestock. | 11-01-2012 |
| 20120272908 | Milking Box With Robotic Attacher - In certain embodiments, a system includes a front wall, a rear wall positioned substantially parallel to the front wall, and first and second side walls each extending between the front wall and the rear wall. The first side wall includes a gate, and the second side wall is spaced apart from the first side wall such that the front wall, the rear wall, the first side wall, and the second side wall define a milking box stall of a size sufficient to accommodate a dairy livestock. The system includes an equipment portion located adjacent to the rear wall. The equipment portion houses a robotic attacher configured to extend between the rear legs of a dairy livestock located within the milking box stall in order to attach milking equipment to the dairy livestock. | 11-01-2012 |
| 20120272909 | Milking Box With Robotic Attacher - In certain embodiments, a system includes a front wall, a rear wall positioned substantially parallel to the front wall, and first and second side walls each extending between the front wall and the rear wall. The first side wall includes a gate, and the second side wall is spaced apart from the first side wall such that the front wall, the rear wall, the first side wall, and the second side wall define a milking box stall of a size sufficient to accommodate a dairy livestock. The system includes an equipment portion located adjacent to the rear wall. The equipment portion houses a robotic attacher configured to extend between the rear legs of a dairy livestock located within the milking box stall in order to attach milking equipment to the dairy livestock. | 11-01-2012 |
| 20120272910 | Milking Box With Robotic Attacher - In certain embodiments, a system includes a front wall, a rear wall positioned substantially parallel to the front wall, and first and second side walls each extending between the front wall and the rear wall. The first side wall includes a gate, and the second side wall is spaced apart from the first side wall such that the front wall, the rear wall, the first side wall, and the second side wall define a milking box stall of a size sufficient to accommodate a dairy livestock. The system includes an equipment portion located adjacent to the rear wall. The equipment portion houses a robotic attacher configured to extend between the rear legs of a dairy livestock located within the milking box stall in order to attach milking equipment to the dairy livestock. | 11-01-2012 |
| 20120272912 | MILKING BOX WITH ROBOTIC ATTACHER AND BACKPLANE FOR TRACKING MOVEMENTS OF A DAIRY ANIMAL - In certain embodiments, a milking box comprises a stall portion and a backplane positioned in the stall portion. The backplane moves toward the rear of the stall portion in response to pressure applied to a contact surface of the backplane. The backplane moves toward the front of stall portion in response to pressure removed from the contact surface. | 11-01-2012 |
| 20120272913 | Arrangement of Milking Box Stalls - In certain embodiments, a system includes a first milking box stall of a size sufficient to accommodate a dairy livestock. The system also includes an equipment portion located adjacent to the first milking box stall. The equipment portion houses a robotic attacher. The system also includes a second milking box stall of a size sufficient to accommodate a dairy livestock. The second milking box stall is located adjacent to the equipment portion. The robotic attacher is configured to service both the first milking box stall and the second milking box stall by extending between the rear legs of a dairy livestock located within either stall in order to attach milking equipment to the dairy livestock. | 11-01-2012 |
| 20120272914 | MILKING BOX WITH ROBOTIC ATTACHER AND VISION SYSTEM - In certain embodiments, a system includes a robotic attacher comprising a main arm and a supplemental arm operable to extend into a stall portion of a milking box. A camera couples to the supplemental arm. The supplemental arm comprises a camera-facing nozzle operable to spray the camera with a cleanser. | 11-01-2012 |
| 20120272915 | MILKING BOX WITH STORAGE AREA FOR TEAT CUPS - In certain embodiments, a milking box comprises a storage area comprising a retractable hose, a hose lift belt, a cup holder base, a cup holder, and a cup holder bracket. The retractable hose couples to a cup and suspends the cup in the storage area. The hose lift belt couples to the retractable hose and is operable to retract the retractable hose. The cup holder base defines an aperture through which the retractable hose is positioned. The cup holder comprises a rimmed structure adapted to hold an attachment end of the cup. The cup holder is coupled to the cup holder bracket. The cup holder bracket is operable to open and close such that when closed, the rimmed structure of the cup holder aligns with the attachment end of the cup that is suspended from the retractable hose. | 11-01-2012 |
| 20120272916 | MILKING BOX WITH A ROBOTIC ATTACHER HAVING A THREE-DIMENSIONAL RANGE OF MOTION - In certain embodiments, a robotic attacher comprises a main arm, a supplemental arm coupled to the main arm, and a plurality of actuators operable to move the main arm and supplemental arm in response to signals from a controller. The actuators comprise first, second, and third actuators operable to move the main arm in x-, y-, and z-directions, respectively. The actuators further comprise fourth and fifth actuators operable to pivot a gripping portion of the supplemental arm in a first z-direction and a second z-direction, respectively, with the second z-direction being opposite the first z-direction. | 11-01-2012 |
| 20120272917 | Milking Box With Robotic Attacher - In certain embodiments, a system includes a front wall, a rear wall positioned substantially parallel to the front wall, and first and second side walls each extending between the front wall and the rear wall. The first side wall includes a gate, and the second side wall is spaced apart from the first side wall such that the front wall, the rear wall, the first side wall, and the second side wall define a milking box stall of a size sufficient to accommodate a dairy livestock. The system includes an equipment portion located adjacent to the rear wall. The equipment portion houses a robotic attacher configured to extend between the rear legs of a dairy livestock located within the milking box stall in order to attach milking equipment to the dairy livestock. | 11-01-2012 |
| 20120273006 | CLEANING SYSTEM FOR A MILKING BOX STALL - In certain embodiments, a system comprises a milk collecting system, a teat cup holder, and a cleansing hose system. The milk collecting system comprises a teat cup, a milk collector, and a milking hose system connecting the teat cup to the milk collector. The teat cup holder stores the teat cup of the milk collecting system such that a nozzle of the teat cup holder substantially aligns with an opening of the teat cup. The cleansing hose system connects the nozzle of the teat cup holder to one or more cleanser sources and operable to backwash at least a portion of the milk collecting system by injecting a cleanser from one or more of the cleanser sources through the nozzle and into the teat cup. | 11-01-2012 |
| 20120274761 | Vision System and Method of Operation - In an exemplary embodiment, a system includes a first camera, a second camera, and a processor wherein the second camera has a higher resolution than the first camera. The processor is communicatively coupled to the first camera and the second camera and is operable to determine a center coordinate of an udder of a dairy livestock based at least in part upon visual data captured by the first camera. The processor is also operable to determine a position of a teat of the dairy livestock based at least in part upon the center coordinate and visual data captured by the second camera. | 11-01-2012 |
| 20120275660 | System and Method for Filtering Data Captured by a 2D Camera - In an exemplary embodiment, a system includes a camera and a processor communicatively coupled to the camera. The processor is operable to access visual data captured by the camera, wherein the visual data comprises an image of a dairy livestock and determine that an intensity measurement of a first portion of the visual data exceeds an intensity threshold. The processor is further operable to filter the first portion of the visual data in response to determining that the intensity measurement exceeds the threshold. The processor is also operable to determine a coordinate of a teat of the dairy livestock based at least in part upon the visual data, excluding filtered portions of the visual data | 11-01-2012 |
| 20120275661 | System and Method for Filtering Data Captured by a 3D Camera - In an exemplary embodiment, a system includes a three-dimensional camera and a processor. The processor is operable to access a first portion of visual data captured by the three-dimensional camera wherein the visual data comprises an image of a dairy livestock and access a second portion of the visual data, wherein the first portion and the second portion are aligned in a first dimension. The processor is further operable to determine a first coordinate, wherein the first coordinate comprises a location of the first portion in a second dimension, the second dimension orthogonal to the first dimension and determine a second coordinate, wherein the second coordinate comprises a location of the second portion in the second dimension. The processor is further operable to determine a first distance exceeds a distance threshold, wherein the first distance is the distance between the first coordinate and the second coordinate in the second dimension. | 11-01-2012 |
| 20120275662 | System and Method for Analyzing Data Captured by a Three-Dimensional Camera - In an exemplary embodiment, a system includes a three-dimensional camera and a processor communicatively coupled to the three-dimensional camera. The processor is operable to determine a first edge of a dairy livestock, determine a second edge of the dairy livestock, determine a third edge of the dairy livestock, and determine a fourth edge of the dairy livestock. | 11-01-2012 |
| 20120275894 | MILKING BOX WITH ROBOTIC ATTACHER COMPRISING AN ARM THAT PIVOTS, ROTATES, AND GRIPS - In certain embodiments, robotic attacher comprises a supplemental arm comprising a fixed portion and a gripping portion. The fixed portion comprises a pivot assembly and a rotating assembly. The pivot assembly pivots the gripping portion between maximum-left, maximum-right, and centered positions. The rotating assembly rotates the gripping portion between upright and upside down positions. | 11-01-2012 |
| 20120277913 | Vision System for Robotic Attacher - In certain embodiments, a system includes a controller operable to access a first image generated by a first camera. The controller determines a reference point from at least one main feature of a dairy livestock included in the first image. The controller is further operable to access a second image generated by the second camera. The second image includes at least a portion of an udder of the dairy livestock. The controller determines a location of a teat of the dairy livestock based on the second image. | 11-01-2012 |
| 20120298042 | Milking System Shut-Off and Sensors - In certain embodiments, an apparatus includes a plurality of inlets and a plurality of outlets. Each inlet is adapted to receive a flow of milk from a dairy livestock, and each outlet is adapted to receive a flow of milk from a corresponding one or more inlets. The plurality of outlets include one or more milk collector outlets and one or more drain outlets. Each milk collector outlet is adapted to direct the flow of milk received from the corresponding one or more inlets to a milk collector. Each drain outlet is adapted to direct the flow of milk received from the corresponding one or more inlets to a discard area. The apparatus further includes one or more valves each associated with one of the plurality of inlets. The one or more valves are adapted to direct the flow of milk received at the associated inlet to either a corresponding one of the one or more milk collector outlets or a corresponding one of the one or more drain outlets. | 11-29-2012 |
| 20140147016 | VISION SYSTEM FOR FACILITATING THE AUTOMATED APPLICATION OF DISINFECTANT TO THE TEATS OF DAIRY LIVESTOCK - A method for determining a spray position for a spray tool includes accessing an image signal generated by a camera, the image signal corresponding to at least an udder of a dairy livestock. The method further includes processing the accessed image signal to determine a tangent to the rear and a tangent to the bottom of the udder of the dairy livestock. The method concludes by determining a spray position from which a spray tool may apply disinfectant to the teats of the dairy livestock, wherein the spray position is a position relative to the intersection of the two tangents. | 05-29-2014 |
| 20140158052 | MILKING BOX WITH ROBOTIC ATTACHER - A system includes a milking box and a robotic attacher. The milking box has a stall to accommodate a dairy livestock. The robotic attacher extends under the dairy livestock and comprises a nozzle. The robotic attacher is operable to rotate such that, during a first operation, the nozzle is positioned generally on the bottom of the robotic attacher, and during a second operation, the nozzle is positioned generally on the top of the robotic attacher. | 06-12-2014 |
| 20140158063 | VISION SYSTEM FOR FACILITATING THE AUTOMATED APPLICATION OF DISINFECTANT TO THE TEATS OF DAIRY LIVESTOCK - A method comprises determining a tangent to the rear of an udder of a dairy livestock, and determining a tangent to the bottom of the udder of the dairy livestock. The method continues by determining a position relative to the intersection of the two tangents, and extending a robot arm to the determined position. | 06-12-2014 |
| 20140165916 | SYSTEM AND METHOD OF ATTACHING CUPS TO A DAIRY ANIMAL - A robotic attacher retrieves cups from the left side of an equipment area located behind a dairy livestock and attaches the cups to the teats of the dairy livestock in sequence. The sequence comprises attaching a first cup to the left front teat, a second cup to the right front teat, a third cup to the left rear teat, and a fourth cup to the right rear teat. | 06-19-2014 |
| 20140172164 | AUTOMATED SYSTEM FOR APPLYING DISINFECTANT TO THE TEATS OF DAIRY LIVESTOCK - A method for applying a substance to the teats of a dairy livestock comprises extending a robotic arm between the legs of a dairy livestock positioned in a stall. The method continues by rotating a linear member of a spray tool about an axis that is perpendicular to the robotic arm, wherein the linear member has a perimeter that lies within an outer perimeter of the robotic arm when the robotic arm extends between the hind legs of the dairy livestock. The method continues by discharging a substance as the linear member rotates. | 06-19-2014 |
| 20140196665 | VISION SYSTEM FOR ROBOTIC ATTACHER - A system includes a robotic arm on which at least one camera is attached. It further includes a memory and a controller communicatively coupled to the memory. The memory stores historical information associated with a dairy livestock. The historical information include a previously-determined location of a teat of the dairy livestock. The controller moves the camera on the robotic arm toward the previously-determined location of the teat. The camera generates an image of the teat of the dairy livestock from a position to which it is moved, and the controller determines a current location of the teat of the dairy livestock based at least in part on the image. | 07-17-2014 |
| 20140216349 | SYSTEM AND METHOD OF ATTACHING A CUP TO A DAIRY ANIMAL ACCORDING TO A SEQUENCE - A system includes a milking box and a robotic arm. The milking box comprises a stall portion that houses a dairy livestock with four teats. The robotic arm performs the following operation for a plurality of teats of the dairy livestock: retrieves a cup; attaches the cup to a teat; and detaches the cup from the teat. The cup is maintained within the stall portion of the milking box from the time that the cup is attached to a first teat of the dairy livestock through the time that the cup is attached to a last teat of the dairy livestock. The cup is retracted into an equipment area of the milking box after it is detached from the last teat of the dairy livestock. | 08-07-2014 |
| 20140230750 | AUTOMATED SYSTEM FOR APPLYING DISINFECTANT TO THE TEATS OF DAIRY LIVESTOCK - A method for applying disinfectant to the teats of a dairy livestock, comprises receiving a trigger signal indicating that a stall of a rotary milking platform housing a dairy livestock is located adjacent to a track, the track having a carriage carrying a robotic arm mounted thereto. The method continues by communicating a first signal to a first actuator coupled to the track and the carriage, the first signal causing operation of the first actuator such that the carriage moves along the track in relation to the rotary milking platform. The method concludes by communicating one or more additional signals to one or more actuators of the robotic arm, the one or more additional signals causing operation of the one or more actuators of the robotic arm such that at least a portion of the robotic arm extends between the hind legs of a dairy livestock. | 08-21-2014 |
| 20140245958 | MILKING SYSTEM SHUT-OFF AND SENSORS - A method, comprises receiving a flow of milk at an inlet of a manifold. The inlet comprises a first end coupled to a hose that receives a flow of milk from a teat cup and a second end terminating in a chamber of the manifold. The manifold comprises one or more other inlets and a plurality of outlets. The plurality of outlets includes one or more milk collector outlets and one or more drain outlets. The method proceeds by causing the flow of milk to be directed to a corresponding milk collector outlet by causing a shut-off valve corresponding to the inlet to open, and by causing a drain valve corresponding to the inlet to close. The method concludes by causing the flow of milk to be directed to a corresponding drain outlet by causing the shut-off valve corresponding to the inlet to close, and by causing the drain valve corresponding to the inlet to open. | 09-04-2014 |
| 20140318458 | ROBOTIC ATTACHER AND METHOD OF OPERATION - A robotic attacher comprises a main arm, a supplemental arm coupled to the main arm, and a gripping portion coupled to the supplemental arm. The gripping portion is operable to rotate such that at a first time, a nozzle is positioned generally on the bottom of the gripping portion, and at a second time, the nozzle is positioned generally on the top of the gripping portion. | 10-30-2014 |
| 20140318460 | SYSTEM AND METHOD FOR CONTROLLING THE POSITION OF A ROBOT CARRIAGE BASED ON THE POSITION OF A MILKING STALL OF AN ADJACENT ROTARY MILKING PLATFORM - A system includes a carriage track positioned adjacent to a rotary milking platform, a robot carriage mounted to the carriage track, and a controller. The controller causes the robot carriage to move linearly along the carriage track in conjunction with a rotational movement of the rotary milking platform such that a first linear position of the robot carriage aligns with a first rotational position of a milking stall of the rotary milking platform and a second linear position of the robot carriage aligns with a second rotational position of the milking stall of the rotary milking platform. | 10-30-2014 |
| 20140318470 | AUTOMATED SYSTEM FOR MOVING A ROBOTIC ARM ALONG A ROTARY MILKING PLATFORM - A system for operating a robotic arm comprises a carriage and a robotic arm. The carriage is mounted on a track adjacent to a rotary milking platform having a substantially circular perimeter and a stall for a dairy livestock. The carriage moves along a substantially straight portion of the track tangent to and outside the perimeter of the rotary milking platform at a rate based at least in part upon a speed of rotation of the rotary milking platform. The carriage moves in a direction corresponding to the direction of rotation of the rotary milking platform and such movement of the carriage is independent of any physical coupling between the carriage and the rotary milking platform. The robotic arm extends between the legs of the dairy livestock, and remains extended between the legs of the dairy livestock as the stall rotates adjacent to the robotic arm. | 10-30-2014 |
| 20140318471 | AUTOMATED SYSTEM FOR APPLYING DISINFECTANT TO THE TEATS OF DIARY LIVESTOCK - A system for operating a robotic arm, comprises a controller and a robotic arm. The controller receives an indication that a stall of a rotary milking platform in which a dairy livestock is located has moved into an area adjacent a robotic arm that is detached from the rotary milking platform. The controller also determines whether a milking cluster is attached to the dairy livestock. The robotic arm is communicatively coupled to the controller and extends between the legs of the dairy livestock if the controller determines that the milking cluster is not attached to the dairy livestock. The robotic arm does not extend between the legs of the dairy livestock if the controller determines that the milking cluster is attached to the dairy livestock. | 10-30-2014 |
| 20140326187 | MILKING BOX WITH ROBOTIC ATTACHER - A robotic attacher comprises a main arm, a supplemental arm coupled to the main arm, and a gripping portion coupled to the supplemental arm. The gripping portion comprises at least one nozzle and is operable to rotate such that during a first mode of operation, the nozzle is positioned away from the top of the gripping portion, and during a second mode of operation, the nozzle is positioned generally on the top of the gripping portion. | 11-06-2014 |
| 20150022641 | SYSTEM AND METHOD FOR ANALYZING DATA CAPTURED BY A THREE-DIMENSIONAL CAMERA - In an exemplary embodiment, a system includes a three-dimensional camera and a processor communicatively coupled to the three-dimensional camera. The processor is operable to determine a first edge of a dairy livestock, determine a second edge of the dairy livestock, determine a third edge of the dairy livestock, and determine a fourth edge of the dairy livestock. | 01-22-2015 |
| 20150071499 | SYSTEM AND METHOD FOR FILTERING DATA CAPTURED BY A 2D CAMERA - A system comprises a memory operable to store light intensity information for a plurality of neighboring pixels of an image that includes a dairy livestock. The system further comprises a processor communicatively coupled to the memory. The processor determine that a difference between the light intensity information for a first pixel of the plurality of neighboring pixels and at least some of the other neighboring pixels exceeds a threshold. The processor further discards the first pixel and determines a location of a teat of the dairy livestock based on the image, excluding the discarded pixel. | 03-12-2015 |
| 20150181829 | MILKING BOX WITH STORAGE AREA FOR TEAT CUPS - An apparatus comprises a cup holder bracket and a cup holder. The cup holder bracket comprises a hinge that allows the cup holder bracket to pivot between a substantially horizontal position when closed to a substantially vertical position when opened. The cup holder is coupled to the cup holder bracket and comprises a rimmed structure configured to hold an attachment end of a cup when the cup holder bracket is closed. | 07-02-2015 |
| 20150228068 | SYSTEM AND METHOD FOR FILTERING DATA CAPTURED BY A 3D CAMERA - A system for processing an image comprises a three-dimensional camera that captures an image of a dairy livestock. A processor is communicatively coupled to the three-dimensional camera. The processor accesses a first pixel having a first depth location, and a second pixel having a second depth location. The processor determines that the second depth location is not within a threshold distance of the first depth location, and discards the second pixel from the image based at least in part upon the determination. | 08-13-2015 |
| 20150250131 | AUTOMATED SYSTEM FOR APPLYING DISINFECTANT TO THE TEATS OF DAIRY LIVESTOCK - A spray tool coupled to a robotic arm includes a linear member, a first spray nozzle and a second spray nozzle. The linear member rotates about an axis that is perpendicular to the robotic arm. The linear member has a perimeter that lies within an outer perimeter of the robotic arm when the robotic arm extends between the legs of a dairy livestock. The first spray nozzle is coupled to the linear member proximate a first end of the linear member. The second spray nozzle is coupled to the linear member proximate a second end of the linear member. | 09-10-2015 |
| 20150257356 | MILKING BOX WITH ROBOTIC ATTACHER - A system includes a front wall, a rear wall opposite the front wall, and first and second side walls extending between the front wall and the rear wall. The first side wall includes a gate, and the second side wall is spaced apart from the first side wall such that the front wall, the rear wall, the first side wall, and the second side wall define a milking box stall that accommodates a dairy livestock. The system includes an equipment portion adjacent to the rear wall. It houses a separation container that receives milk to be discarded from the dairy livestock. The equipment portion further houses a robotic attacher that extends from behind and between the rear legs of a dairy livestock located within the milking box stall in order to attach milking equipment to the dairy livestock. | 09-17-2015 |
| 20150257359 | ARRANGEMENT OF MILKING BOX STALLS - A system includes a first milking box stall cluster comprising a first plurality of milking box stalls and a first robotic attacher associated with the first milking box stall cluster. The first robotic attacher is positioned to service each of the first plurality of milking box stalls. The system further includes a second milking box cluster comprising a second plurality of milking box stalls. It is positioned adjacent to the first milking box stall cluster. A second robotic attacher is associated with the second milking box stall cluster and is positioned to service each of the second plurality of milking box stalls. | 09-17-2015 |
| 20150264885 | ROBOT AND METHOD FOR MILKING A COW BY THIS ROBOT - A milking robot comprises a frame that is movable along a guide track that is positioned adjacent to a rotary platform such that the frame can move in conjunction with the movement of the rotary platform. The milking robot further comprises a moveable arm having a first end that couples to the frame and a second end that extends in a longitudinal direction, and at least one gripper coupled to the movable arm at the second end. The gripper is extendable in the longitudinal direction of the movable arm. | 09-24-2015 |
| 20150366155 | System and Method for Determining Whether to Operate a Robot in Conjunction with a Rotary Milking Platform Based on Detection of a Milking Claw - A system comprises a robotic arm operable to extend between the legs of a dairy livestock located in a milking stall of a rotary milking platform, a camera operable to generate an image signal corresponding to a rear of the dairy livestock, and a controller communicatively coupled to the robotic arm and the camera. The controller determines whether a milking claw is attached to the teats of the dairy livestock by receiving the image signal generated by the camera and processing the image signal. If it is determined based on the image signal that the milking claw is not attached, the controller controls the robotic arm to extend between the legs of the dairy livestock. If it is determined based on the image signal that the milking claw is attached, the controller controls the robotic arm not to extend between the legs of the dairy livestock. | 12-24-2015 |
| 20150373943 | MILKING BOX WITH ROBOTIC ATTACHER COMPRISING AN ARM THAT PIVOTS, ROTATES, AND GRIPS - An apparatus comprises a milking box having a stall to accommodate a dairy livestock and a robotic attacher. The robotic attacher comprises a main arm that is suspended vertically from a rail of the milking box, and a supplemental arm that is coupled to and extends horizontally from the main arm along a longitudinal axis. The supplemental arm comprises a pivot assembly that pivots a gripping portion around a vertical axis that is substantially parallel to the main arm of the robotic attacher, in a direction transverse to the longitudinal direction of the supplemental arm. | 12-31-2015 |
| 20150379324 | SYSTEM AND METHOD FOR FILTERING DATA CAPTURED BY A 2D CAMERA - A system comprises a memory operable to store first light intensity information for a first pixel of an image that includes a dairy livestock, and second light intensity information for a second pixel of the image, wherein the second pixel is adjacent to the first pixel. The system further comprises a processor communicatively coupled to the memory and operable to determine that a difference between the first light intensity information and the second light intensity information exceeds a threshold, and discard one of the first pixel or the second pixel from the image. | 12-31-2015 |
| 20150379705 | SYSTEM AND METHOD FOR FILTERING DATA CAPTURED BY A 3D CAMERA - A system for processing an image comprises a three-dimensional camera that captures an image of a dairy livestock and a processor communicatively coupled to the three-dimensional camera. The processor accesses a first pixel having a first depth location, a second pixel having a second depth location, and a third pixel having a third depth location. The processor determines that the second pixel is an outlier among the first pixel and the third pixel based upon the first depth location, the second depth location, and the third depth location, and discards the second pixel from the image based at least in part upon the determination. | 12-31-2015 |
| 20160037746 | MILKING BOX WITH ROBOTIC ATTACHER AND BACKPLANE FOR TRACKING MOVEMENTS OF A DAIRY ANIMAL - A milking box comprises a stall portion and a backplane positioned in the stall portion. The backplane moves toward the rear of the stall portion in response to pressure applied to a contact surface of the backplane. The backplane moves toward the front of stall portion in response to pressure removed from the contact surface. A robotic attacher extends from the rear of the stall portion and between the hind legs of a dairy livestock located in the stall portion. A controller determines the position of the backplane relative to the rear of the stall portion. The controller determines an x-offset based at least in part upon the position of the backplane relative to the rear of the stall portion, wherein the x-offset increases as the dairy livestock moves toward the front of the stall and the x-offset decreases as the dairy livestock moves toward the rear of the stall. The controller further communicates a signal to move the robotic attacher in an x-direction, the amount of movement determined at least in part according to the x-offset. | 02-11-2016 |
| 20160037747 | SYSTEM AND METHOD FOR CONTROLLING THE POSITION OF A ROBOT CARRIAGE BASED ON THE POSITION OF A MILKING STALL OF AN ADJACENT ROTARY MILKING PLATFORM - A system includes a carriage track positioned adjacent to a rotary milking platform, a robot carriage positioned on the carriage track such that the robot carriage may move along the carriage track, and a controller. The controller determines a movement of a milking stall of the rotary milking platform from a first rotational position to a second rotational position. The controller further determines a position of the robot carriage on the carriage track corresponding to the movement of the milking stall of the rotary milking platform. The controller also communicates a position signal to a carriage actuator coupled to the robot carriage and the carriage track. The position signal causes the carriage actuator to move the robot carriage along the carriage track to the determined position in conjunction with the movement of the rotary milking platform. | 02-11-2016 |
| 20160044887 | SYSTEM AND METHOD OF ATTACHING CUPS TO A DAIRY ANIMAL - A robotic attacher retrieves cups from the right side of an equipment area located behind a dairy livestock and attaches the cups to the teats of the dairy livestock in sequence. The sequence comprises attaching a first cup to the right front teat, a second cup to the left front teat, a third cup to the right rear teat, and a fourth cup to the left rear teat. | 02-18-2016 |
| 20160066529 | SYSTEM AND METHOD FOR ANALYZING DATA CAPTURED BY A THREE-DIMENSIONAL CAMERA - A system includes a three-dimensional camera and a processor communicatively coupled to the three-dimensional camera. The processor is operable to determine a first and second edge of a dairy livestock. The first edge includes an inner portion of a first hind leg and a first portion of an udder of the dairy livestock. The second edge includes an inner portion of a second hind leg and a second portion of the udder of the dairy livestock. The processor calculates a reference point associated with the udder of the dairy livestock based at least in part upon the first edge and the second edge. A robotic attacher moves toward the udder of the dairy livestock based at least in part upon the calculated reference point. | 03-10-2016 |
| 20160066530 | MILKING BOX WITH ROBOTIC ATTACHER AND VISION SYSTEM - A system includes a robotic attacher comprising a main arm and a supplemental arm operable to extend into a stall portion of a milking box. A camera couples to the supplemental arm. The supplemental arm comprises a camera-facing nozzle operable to spray the camera with a cleanser. | 03-10-2016 |
| 20160088814 | ARRANGEMENT OF MILKING BOX STALLS - A system includes includes a first milking box stall of a size sufficient to accommodate a first dairy livestock and a second milking box stall of a size sufficient to accommodate a second dairy livestock. The first and second milking box stalls face opposite directions. An equipment portion is located between the first milking box stall and the second milking box stall. A robotic attacher is housed in the equipment portion and configured to service both stalls at different times. | 03-31-2016 |
| Patent application number | Description | Published |
|---|
| 20110192607 | Downhole Tool With Expandable Seat - A downhole tool comprising a housing having at least one flow port disposed providing a communication path between the interior and exterior of the sleeve. A sleeve assembly has an expandable seat and an inner sleeve, and is moveable within the housing between a first position and a second position, wherein in the first position the sleeve assembly is radially positioned between the flow ports and the flowpath to substantially prevent fluid communication. Shearable port inserts are positioned within the flow ports, with each port insert having a shearable portion extending into the interior of the housing and engaging the sleeve assembly when the inner sleeve is in said first position. | 08-11-2011 |
| 20110203799 | Open Hole Fracing System - A method of producing petroleum from at least one open hole in at least one petroleum production zone of a hydrocarbon well comprising the steps of locating a plurality of sliding valves along at least one production tubing; inserting the plurality of sliding valves and the production tubing into the at least one open hole; cementing the plurality of sliding valves in the at least one open hole; opening at least one of the cemented sliding valves; removing at least some of the cement adjacent the opened sliding valves without using jetting tools or cutting tools to establish at least one communication path between the interior of the production tubing and the at least one petroleum production zone; directing a fracing material radially through the at least one sliding valve radially toward the at least one production zone; producing hydrocarbons from the at least one petroleum production zone through the plurality of the sliding valves the cement adjacent to which has been removed. | 08-25-2011 |
| 20110203807 | Multistage Production System and Method - A system and method for more efficiently stimulating and producing from a production string. The present invention comprises production tubing; at least one selectively-openable valve assembly located inline with the production tubing; and at least one flapper valve assembly located inline with the production tubing. One flapper valve assembly is associated with each selectively-openable valve assembly. The flapper valve assembly is orientated to impede fluid flow in the downwell direction when closed. | 08-25-2011 |
| 20110226489 | Differential Shifting Tool and Method of Shifting - A shifting tool and method of shifting a downhole device that requires only a minimal profile or no profile to engage and move the movable portion of the tool. The invention comprises a ported housing assembly and at least one friction pad alignable with said at least one port and radially movable through the port between a first pad position and a second pad position. In the second pad position, the friction pad extends outside said outer diameter of said housing assembly to engage the targeted downhole device. A mandrel positioned through the ported housing has a first section with a first outer diameter and a second section with a second outer diameter, said second outer diameter being greater than said first outer diameter. The mandrel is movable between a first mandrel position and a second mandrel position. In the second mandrel position, the second outer diameter supports the friction pads in the second pad position. | 09-22-2011 |
| 20120097397 | Fracturing System and Method - A system and method for fracturing a stage of a multiple stage hydrocarbon production well. One embodiment of the system comprises at least one ported sleeve assembly and a flapper assembly positioned downwell of the ported sleeve assembly. Each ported sleeve assembly comprises a ported housing having a plurality of ports disposed radially therethrough; a first sleeve at least partially within the ported housing and moveable between a first position and a second position, wherein in the first position the first sleeve is radially positioned between the plurality of ports and the flowpath. The first sleeve has an exterior surface, a first slot formed in the first exterior surface, and a first engagement surface having a first inner diameter. A first guiding member is fixed relative to the ported housing and positionable within the first slot. A first compression spring positioned between the a upper end of the first sleeve and the ported housing, the first compression spring being under compression when the first sleeve is in the first position. The flapper assembly comprises a flapper seal; a flapper plate rotatable between an opened position and a closed position, wherein in the opened position fluid flow in the downwell direction through the flapper seal is at least substantially unimpeded, and wherein in the closed position the flapper plate is engaged against the flapper seal to at least substantially prevent fluid flow through the flapper seal in the downwell direction; a second sleeve moveable between a first position and a second position, wherein in the first position at least a portion of the second sleeve is radially positioned between the flapper plate and the flowpath, the second sleeve having a second exterior surface, a second slot formed in the second exterior surface, and a second engagement surface having a second inner diameter; a second guiding member fixed relative to the flapper seal and positionable within the second walking jay slot; and a second compression spring positioned between an upper end of the second sleeve and the flapper seal, the second compression spring being under compression when the second sleeve is in the second position. | 04-26-2012 |
| 20120152523 | Self-Orienting Fracturing Sleeve and System - A self-orientating fracturing system locatable in a tubing string, the system comprising a swivel sub having a top connection and a lower connection radially rotatable relative to said top connection; at least one ported sleeve positionable downwell of said swivel sub, said at least one ported sleeve defining a flowpath and comprising a ported housing having an outer surface with at least one planar engagement surface and at least one port providing a communication path to the interior of said housing; and an insert moveable within said ported housing between a first position and a second position, wherein in said first position said insert is positioned radially between said at least one port and said flowpath. The system further comprises a centralizer having a outer surface with at least one flute formed therein, said centralizer positionable downwell of said swivel sub. | 06-21-2012 |
| 20120261131 | Assembly for Actuating a Downhole Tool - A valve seat assembly for actuating a connected downhole tool. The connected downhole tool may be mechanically connected, such as a sleeve positionable between flow ports through a housing, or hydraulically connected, such as through establishing a fluid communication path to the tool to cause actuation thereof. The valve seat assembly generally has a seating element with an having an inlet and an outlet; and a counting element configured to keep a tally of the number times a first pressure at the inlet exceeds a second pressure at the outlet by at least a pre-determined amount. | 10-18-2012 |
| 20120279723 | Downhole Tool - A downhole tool comprising an inner sleeve with a plurality of sleeve ports and a housing positioned radially outwardly of the inner sleeve and having a plurality of housing ports, with the housing and inner sleeve partially defining a space radially therebetween. The space is occupied by a shifting sleeve. A fluid path extends between the interior flowpath of the tool and the space. A fluid control device, occupies at least portion of the fluid path, and may selectively permit fluid flow, and thus pressure communication, into the space to cause a differential pressure across the shifting sleeve. When a sufficient differential pressure is reached, the shifting sleeve is moved from a first position to a second position, which opens the communication paths through the housing and sleeve ports between the interior flowpath and exterior of the tool. | 11-08-2012 |
| 20130068474 | Downhole System and Apparatus Incorporating Valve Assembly with Resilient Deformable Engaging Element - An apparatus, system and method relating to a valve assembly for use in a subterranean well for oil, gas, or other hydrocarbons. The valve assembly comprises an engaging element with a resilient portion having a first shape when a first pressure differential is applied across the engaging element in a direction and a second shape when a second pressure differential is applied across the element in the direction; a receiving element having sealing section; wherein the engaging element is engagable with the first receiving element to substantially prevent the flow of fluids through the sealing section a pressure differential is applied to the engaging element that is less than a first pressure differential; wherein the engaging element is extrudable through the first receiving element by applying a second pressure differential that is greater than the first pressure differential. | 03-21-2013 |
| 20130068475 | Multistage Production System Incorporating Valve Assembly With Collapsible or Expandable C-Ring - A valve assembly, and related system and method, with an annular sleeve having an inner surface with a diameter, a first cylindrical outer surface, and a plurality of openings extending between the inner surface and the first cylindrical outer surface. The annular sleeve includes a second cylindrical outer surface having a different diameter than the first cylindrical outer surface. A first C-ring having a body with a seating surface, opposing terminal ends, and an outer diameter extending from the body is at least partially within the inner surface of the sleeve. A coil spring is positioned around a portion of the sleeve and in an annular space at least partially defined by an annular body and the second cylindrical outer surface. | 03-21-2013 |
| 20140034294 | Fracturing System and Method - A system and method comprising at least one ported sleeve assembly and a flapper assembly positioned downwell of the ported sleeve assembly. The system provides for the use of multiple ported sleeve assemblies for each stage of a hydrocarbon producing well that can be opened with a single element, and multiple stages, each have the ability to be opened with a single element size. | 02-06-2014 |
| 20140069654 | Downhole Tool Incorporating Flapper Assembly - A downhole tool incorporating a sleeve assembly with an actuatable element, such as the seat of a plug-and-seat combination, and a seal assembly, such as a flapper seal assembly. The sleeve assembly is movable between a first position, in which the seal assembly is opened and inhibited from closing by contact with the sleeve assembly, and a second position in which the seal assembly is closed. Upon closing of the flapper assembly, the downhole tool may withstand higher pressures with reduced risk of failure to maintain a pressure differential across the tool. | 03-13-2014 |
| 20140076578 | Downhole Tool - A downhole tool comprising an inner sleeve with a plurality of sleeve ports and a housing positioned radially outwardly of the inner sleeve and having a plurality of housing ports, with the housing and inner sleeve partially defining a space radially therebetween. The space is occupied by a shifting sleeve. A fluid path extends between the interior flowpath of the tool and the space. A fluid control device, such as a burst disk, occupies at least portion of the fluid path. In one state, the shifting sleeve is in a first position between the housing ports and the sleeve ports to prevent fluid flow between the interior flowpath and exterior of the tool. The fluid control device may selectively permit fluid flow, and thus pressure communication, into the annular space to cause a differential pressure across the shifting sleeve. When a sufficient differential pressure is reached, the shifting sleeve is moved to a second position, which opens the communication paths through the housing and sleeve ports between the interior flowpath and exterior flowpath of the tool. | 03-20-2014 |
| 20140116721 | Downhole Tools, System and Method of Using - A downhole tool comprising a nested sleeve moveable from a closed position to an open position following actuation of a fluid control device. The fluid control device may selectively permit fluid flow, and thus pressure communication, into the annular space to cause a differential pressure across the shifting sleeve, and thereby moving the shifting sleeve to an open position. A static plug seat is positioned in the tubing or casing upwell of the downhole tool. When the shifting sleeve is opened, fluid flow is established through the static plug seat, allowing a dissolvable or disintegrable ball or other plug to engage the plug seat, preventing fluid flow past the plug seat to the opened downhole tool, thereby permitting pressurization of the tubing or casing, such as for a pressure test. Disintegration of the ball allows fluid communication to be re-established with the downhole tool, permitting fluid to flow through the tubing for subsequent operations. | 05-01-2014 |
| 20140158368 | Flow bypass device and method - Devices, systems and methods are disclosed for re-directing fluid flow from the interior of tubing placed in a well to the exterior of the tubing by use of selectively actuatable valves operable by engagement of a plug on a plug seat. The devices, systems, and methods disclosed may provide a flowback bypass for the flow of fluids around obstructions in the tubing when those obstructions occur at a predicted location within the tubing. The systems, devices and methods may also include a locking system operable by, among other things, plug and plug seat valves, and such locking system may be used to prevent opening of the flowback bypass until after a predetermined event has occurred. | 06-12-2014 |
| 20140246207 | Fracturing System and Method - A system and method comprising at least one ported sleeve assembly and a flapper assembly positioned downwell of the ported sleeve assembly. The system provides for the use of multiple ported sleeve assemblies for each stage of a hydrocarbon producing well that can be opened with a single element, and multiple stages, each have thFracturinge ability to be opened with a single element size. | 09-04-2014 |
| 20140251636 | Downhole Tools, System and Method of Using - The present disclosure relates to downhole tools, including downhole valves, which actuate via a pressure differential created across a shifting element having one or more pressure surfaces isolated from fluid, and fluid pressure, flowing through the interior flowpath. Embodiment downhole tools of the present disclosure may actuate in response to, among other signals, fluid pressure in the interior flowpath of the tool and fluid pressure communicated to a pressure surface of the shifting sleeve from the exterior of the tool. Certain embodiments may also have an outlet connector whereby fluid pressure from the downhole tool may be communicated to its exterior, including to additional tools in the tubing strings via flowlines connecting the two tools. | 09-11-2014 |
| 20140318816 | Downhole Tools With Ball Trap - The described embodiments relate to a downhole tool that can capture a ball in a trap to prevent both upwell and downwell movement of the ball. Further, certain embodiments described herein may prevent fluid from flowing past a captured ball in either the upwell or downwell directions. Ball and seat valves incorporating such ball trap assemblies can be used to create a bi-directional plug which prevents fluid flow in either direction when the ball trap is engaged with an appropriately configured ball. | 10-30-2014 |
| 20150068752 | Flow Bypass Device and Method - Devices, systems and methods are disclosed for re-directing fluid flow from the interior of tubing placed in a well to the exterior of the tubing by use of selectively actuatable valves operable by engagement of a plug on a plug seat. The devices, systems, and methods disclosed may provide a flowback bypass for the flow of fluids around obstructions in the tubing when those obstructions occur at a predicted location within the tubing. The systems, devices and methods may also include a locking system operable by, among other things, plug and plug seat valves, and such locking system may be used to prevent opening of the flowback bypass until after a predetermined event has occurred. | 03-12-2015 |
| 20150068757 | Downhole Tool with Expandable Seat - A downhole tool comprising a housing having at least one flow port disposed providing a communication path between the interior and exterior of the sleeve. A sleeve assembly has an expandable seat and an inner sleeve, and is moveable within the housing between a first position and a second position, wherein in the first position the sleeve assembly is radially positioned between the flow ports and the flowpath to substantially prevent fluid communication. Shearable port inserts are positioned within the flow ports, with each port insert having a shearable portion extending into the interior of the housing and engaging the sleeve assembly when the inner sleeve is in said first position. | 03-12-2015 |
| 20150107819 | Hydraulically-Actuated Explosive Downhole Tool - A downhole tool comprising a first section having an internal sidewall defining at least a portion of a flowpath, and a ported outer sidewall and an explosive having at least a portion within said first section. An annular portion has at least one chamber having an end positioned adjacent to the explosive and an inlet providing a communication path to said flowpath. A detonator assembly is located within each chamber proximal to the explosive such that detonation of the assembly causes detonation of the explosive. A firing pin is propelled toward the detonation assembly by providing communication between the chamber and the flow path, causing a pressure differential between the pressure isolated ends of the firing pin. | 04-23-2015 |
| 20150107837 | Open Hole Fracing System - A method of producing petroleum from at least one open hole in at least one petroleum production zone of a hydrocarbon well comprising the steps of locating a plurality of sliding valves along at least one production tubing; inserting the plurality of sliding valves and the production tubing into the at least one open hole; cementing the plurality of sliding valves in the at least one open hole; opening at least one of the cemented sliding valves; removing at least some of the cement adjacent the opened sliding valves without using jetting tools or cutting tools to establish at least one communication path between the interior of the production tubing and the at least one petroleum production zone; directing a fracing material radially through the at least one sliding valve radially toward the at least one production zone; producing hydrocarbons from the at least one petroleum production zone through the plurality of the sliding valves the cement adjacent to which has been removed. | 04-23-2015 |
| 20150129205 | Downhole Tools, System and Methods of Using - The present disclosure relates to downhole tools, including downhole valves, which actuate via a pressure differential created across a shifting element having one or more pressure surfaces isolated from fluid, and fluid pressure, flowing through the interior flowpath. Embodiment downhole tools of the present disclosure may actuate in response to, among other signals, fluid pressure in the interior flowpath of the tool and fluid pressure communicated to a pressure surface of the shifting sleeve from the exterior of the tool. Certain embodiments may also have an outlet connector whereby fluid pressure from the downhole tool may be communicated to its exterior, including to additional tools in the tubing strings via flowlines connecting the two tools. Isolation of the shifting element from the interior flowpath may be accomplished using a frangible, shiftable, degradable or other members which may be moved from a closed state to an open state in response to fluid conditions in the interior flowpath. | 05-14-2015 |
