Patents in subclass Excavating/Condition Responsive
Parent class: Excavating
| Number | Patent title | Issue Date |
|---|---|---|
| 07395870 | Construction machine with fuel use indication To provide a construction machine capable of encouraging an operator to perform the driving and the operation for enhancing fuel efficiency. The construction machine includes information providing means 30 to notify the operator of the... |
07/08/2008 |
| 07318292 | Method and device for attenuating the motion of hydraulic cylinders of mobile work machinery The present invention relates to a method for attenuating the motion of hydraulic cylinders of mobile work machinery, in particular of hydraulic excavators, in which prior to the hydraulic cylinder reaching one of the limits of travel,... |
01/15/2008 |
| 07315800 | System and method of sub-surface system design and installation The system and method of the present invention provides comprehensive design and installation management for agricultural water management systems. Maps and grade profiles are created from data collected by Global Positioning devices in... |
01/01/2008 |
| 07305778 | Self-propelled working machine A self-propelled working machine has a pair of transporting parts, a working part, an engine for driving at least the working part, and a main switch for turning the engine on and off. A locomotion preparation switch produces a command... |
12/11/2007 |
| 07295911 | Construction machine having location-based project data files A construction machine for automatically receiving selected project data files based on the geographical location and identification of the machine. The machine includes an auto-start transceiver for transmitting the local location and... |
11/13/2007 |
| 07246456 | Linked mode for a multi-axis machine control A tool control system includes actuators to move the tool, a controller to permit either manual or automatic tool operation, and an output configured to display information pertaining to a position of the tool. In addition, the tool can... |
07/24/2007 |
| 07245999 | Construction machine having location based auto-start A construction machine for automatically receiving selected project data files based on the geographical location and identification of the machine. The machine includes an auto-start transceiver for transmitting the local location and... |
07/17/2007 |
| 07222444 | Coordinated linkage system for a work vehicle A work vehicle with a tool pivotally attached to a linkage, an actuator for controllably moving the tool about its pivot, and a tilt angle sensor for sensing the absolute angle of the work tool relative to the earth. A controller is... |
05/29/2007 |
| 07225068 | Variable gain logic for a GPS based automatic steering system A method is provided for controlling steering oscillations in a work vehicle having a closed loop GPS based automatic steering system, wherein the closed loop steering system has a default gain and a user defined gain. The method causes... |
05/29/2007 |
| 07185449 | System for controlling the hydraulic actuated components of a truck A system for controlling the hydraulically actuated components, including snow-ice control components carried by a truck. The system employs a hermetically secure composite housing mounted externally of the truck cab on the truck frame... |
03/06/2007 |
| 07168192 | Driving device, particularly a lifting device for a working vehicle The invention concerns a driving device, particularly a lifting device for a working vehicle, with a hydraulic drive, in the form of a motor with a first connection and a second connection, a pump, a control valve arrangement between the... |
01/30/2007 |
| 07093383 | Automatic hydraulic load leveling system for a work vehicle A machine has a boom, that is pivotally raised and lowered by a first cylinder, and has a load carrier that is pivoted at the end of the boom by a second cylinder. As a machine operator commands movement of the boom, the position of the... |
08/22/2006 |
| 07069675 | Power tilt apparatus In a power tilt apparatus in which an operation state of a cylinder apparatus is switched between an extension side and a compression side in accordance with an oil feeding direction of a pump apparatus by a switching valve apparatus... |
07/04/2006 |
| 07069674 | Hydraulic circuit for backhoe A hydraulic circuit for use with a backhoe includes first, second and third pumps; left and right traveling unit valve sections-receiving pressure oil from the first and second pumps independently of each other; a front implement valve... |
07/04/2006 |
| 07069673 | Hybrid construction equipment power control apparatus Maximum charging power of a battery (63) is set by a battery-charging power setting unit (75), while maximum discharging power of the battery (63) is set by a battery-discharging power setting unit (76). Lower and upper limit of generator... |
07/04/2006 |
| 07055269 | Wheeled vehicle provided with an axle oscillating about a longitudinal axis A wheeled vehicle includes a bottom chassis; a top chassis, which is coupled to the bottom chassis so that it is able to turn about a vertical axis; an operating arm coupled to the top chassis; an axle, which is coupled to the bottom... |
06/06/2006 |
| 07040044 | Method of modulating a boom assembly to perform in a linear manner A method of modulating a boom assembly to perform in a linear manner. The boom assembly includes a boom and a stick. The method comprising the steps of sending at least one lever signal to a control device indicative of operator desired... |
05/09/2006 |
| 07037040 | Method for the placement of subterranean electrodes A method for the placement of subterranean electrodes is disclosed and which includes the steps of providing an earth engaging drill; forming a bore hole in the surface of the earth with the earth engaging drill; providing an electrode;... |
05/02/2006 |
| 07036248 | Pattern select valve for control levers of a title work vehicle A backhoe control pattern selection arrangement is provided for a backhoe controlled by two control levers. The two levers are operatively connected to hydraulic systems that operate the boom and crowd hydraulic cylinders. An electrically... |
05/02/2006 |
| 07032332 | Method of controlling a backhoe An electronic control for damping oscillation of a swinging backhoe assembly includes a crossover valve that connects the hydraulic lines that supply hydraulic fluid to the boom swing cylinders to each other whenever an electronic... |
04/25/2006 |
| 07020553 | Signal processing system for construction machine A machine body controller 70A includes a modification control unit 70Ab for computing a torque modification value based on detected signals from environment sensors 75 to 83, and modifies a maximum absorption torque of a hydraulic pump... |
03/28/2006 |
| 07017289 | Earth-moving vehicle with device for configuration of profile for circulation on road An earth-moving vehicle includes a mobile operating arm; at least one actuator for moving the operating arm through a plurality of positions, wherein one of the plurality of positions is a pre-defined reference position; a control for... |
03/28/2006 |
| 07020553 | Signal processing system for construction machine A machine body controller 70A includes a modification control unit 70Ab for computing a torque modification value based on detected signals from environment sensors 75 to 83, and modifies a maximum absorption torque of a hydraulic pump... |
03/28/2006 |
| 07007728 | Knuckle boom for reaching and pulling and hydraulic circuits therefor When arranging the geometry of knuckle booms with efficient hydraulic circuits it is sometimes necessary to place the cylinder that provides the reaching force above the boom so that its base area rather than its rod end area provides the... |
03/07/2006 |
| 07007415 | Method and system of controlling a work tool A method for controlling movement of a work tool includes the step of identifying a predefined digging boundary and determining the current position of the work tool. A control signal is generated to change the position of the work tool.... |
03/07/2006 |
| 06980896 | Earth-moving vehicle including pivotable maneuvering station An earth-moving vehicle includes a carriage, which can move on a terrain in mutually opposite directions of movement along a longitudinal axis of the vehicle, and a station for driving and maneuvering, which is able to rotate with respect... |
12/27/2005 |
| 06977473 | Travel control method of electric vehicle In a travel control method for an electric vehicle, an accelerator angle is obtained from a position of an accelerator lever. An accelerator percentage is determined in accordance with the accelerator angle. The ON times of first and... |
12/20/2005 |
| 06971195 | Hydraulic circuit of excavating and slewing working vehicle A hydraulic circuit of a excavating-and-slewing working vehicle, comprising: actuators for a boom, a bucket, slewing and an arm; directional control valves for the respective actuators; a pair of first and second hydraulic pumps for... |
12/06/2005 |
| 06954999 | Trencher guidance via GPS A guidance control system is configured to control the positioning and spatial orientation of a digging implement mounted on a frame of an trenching machine for working a subsurface of earth to a desired trench profile. The position of a... |
10/18/2005 |
| 06951067 | Method and apparatus for controlling positioning of an implement of a work machine An apparatus for controllably positioning a work implement of an earth moving machine is disclosed. The work implement includes a boom and an attachment being attached thereto where the boom is actuated by a hydraulic lift cylinder and... |
10/04/2005 |
| 06951067 | Method and apparatus for controlling positioning of an implement of a work machine An apparatus for controllably positioning a work implement of an earth moving machine is disclosed. The work implement includes a boom and an attachment being attached thereto where the boom is actuated by a hydraulic lift cylinder and... |
10/04/2005 |
| 06941687 | Electronic control for swing damping An electronic control for damping oscillation of a swinging backhoe assembly includes a crossover valve that connects the hydraulic lines that supply hydraulic fluid to the boom swing cylinders to each other whenever an electronic... |
09/13/2005 |
| 06941688 | Hydraulically powered vehicle, and engine rotational speed control method for hydraulically powered vehicle During idling control with an acceleration switch ON, operation of the accelerator pedal is stopped. When stoppage of the operation of the accelerator pedal is detected for a predetermined time period, along with closing a slowdown... |
09/13/2005 |
| 06931772 | Hydraulic shovel work amount detection apparatus, work amount detection method, work amount detection result display apparatus During transfer of a material by a hydraulic excavator, load computing means periodically computes the weight of the material in a bucket of the excavator. Average value computing means computes an average value of weights of the material... |
08/23/2005 |
| 06922923 | Change-over valve for boom cylinder of excavating/slewing work truck In an excavating/slewing work truck, the boom falls freely at the time of lowering operation without requiring any power but the flow rate of a pump increases excessively when the speed is balanced with other acutuators and power loss is... |
08/02/2005 |
| 06915599 | System for controlling movement of a work machine arm A method of controlling the movement of a work machine arm having a series of hydraulic cylinders operatively engaged with the work machine arm includes receiving a signal from an input device to change the position of the work machine... |
07/12/2005 |
| 06912803 | Failure detection device for hydraulic motor and hydraulic drive vehicle A failure detection device for a hydraulic motor according to the present comprises a hydraulic pump (3) that is driven by a prime mover (2); a hydraulic motor (1) that is driven by hydraulic oil discharged from the hydraulic pump (3); an... |
07/05/2005 |
| 06912804 | Loader-type heavy-construction machine A loader-type heavy construction machine has a chassis and work equipment. The work equipment includes two parallel arms articulated relative to the frame, a bucket articulated relative to the arms, a set of link rods forming, with a... |
07/05/2005 |
| 06898877 | Heavy equipment safety device A backhoe (100) has a hydraulic cylinder (316, 317) with a piston (318, 319) that rotates a rotatable boom (108). A lockable slider block (322) slides on the piston. Movement of the lockable slider block in one direction is caused by a... |
05/31/2005 |
| 06895699 | Heavy equipment safety device A backhoe (100) has a hydraulic cylinder (316, 317) with a piston (318, 319) that rotates a rotatable boom (108). A lockable slider block (322) slides on the piston. Movement of the lockable slider block in one direction is caused by a... |
05/24/2005 |
| 06897967 | Method of grading railroad beds and a laser measuring device Railroad beds require regrading in order to permit for an increased axial load. There are often cables or tubes embedded in the roadbed at the roadbed sides, making regrading difficult. In accordance with the present invention, material... |
05/24/2005 |
| 06892481 | Joystick device A joystick device is provided including a larger number of proportional control actuators than the prior art thereby enjoying higher operability. Joystick device includes an operation lever having a grip portion provided on a surface... |
05/17/2005 |
| 06886278 | Hydraulic swing damping system An electronic control for damping oscillation of a swinging backhoe assembly includes a crossover valve that connects the hydraulic lines that supply hydraulic fluid to the boom swing cylinders to each other whenever an electronic... |
05/03/2005 |
| 06879899 | Method and system for automatic bucket loading A method for controlling an automatic bucket control system during loading of a work implement of a work machine is disclosed. The method includes the steps of determining when the work implement engages a pile of material, initiating the... |
04/12/2005 |
| 06854523 | Working vehicle In a motor grader, controls for running the vehicle at a constant speed are provided when a work for improving a land surface with a blade is started by running a working vehicle at a low speed from the low idling start. With this... |
02/15/2005 |
| 06851207 | Construction machinery First and second hydraulic pumps each adapted to operate plural actuators are activated by separate electric motors respectively. In accordance with signals provided from a controller on the basis of operations of levers, the number of... |
02/08/2005 |
| 06853937 | Soil characteristics survey device and soil characteristics survey method To provide a soil characteristics survey device capable of efficiently acquiring high precision data information about the distribution of soil characteristics in an agricultural field, and managing the data information collectively. The... |
02/08/2005 |
| 06843004 | Heavy equipment safety device A backhoe (100) has a hydraulic cylinder (316, 317) with a piston (318, 319) that rotates a rotatable boom (108). A lockable slider block (322) slides on the piston. Movement of the lockable slider block in one direction is caused by a... |
01/18/2005 |
| 06845311 | Site profile based control system and method for controlling a work implement An automatic control system for a work machine includes a positioning system, a site model, and a controller. The work machine operates at a work site containing material to be operated on by the work machine. The positioning system... |
01/18/2005 |
| 06836981 | Hydraulic control circuit for boom cylinder in work machine A hydraulic control circuit for a boom cylinder in a work machine, which, when controlling supply and discharge of pressurized oil with respect to a boom cylinder, improves fuel efficiency, work efficiency in combined operations, and... |
01/04/2005 |