Abstract: The present invention is provided with: a plate provided while one surface is directed toward the machine body structure of a working machine; a first support and a second support, which are raised from the one surface of the plate and which affix the plate to the machine body structure; a hydraulic hose which is routed on and along the one surface of the plate; and an electric component mounted on the one surface of the plate. The one surface of the plate has a hydraulic hose arrangement section where the hydraulic hose is arranged between the first support and the second support, and an electric component mounting section where the electric component is mounted so as to be adjacent to the hydraulic hose arrangement section.

Abstract: Battery packs according to some embodiments of the present technology may include a longitudinal beam. The packs may include a plurality of battery cells disposed adjacent the longitudinal beam. Each battery cell may be characterized by a first surface, and a second surface opposite the first surface. Each battery cell may be characterized by a third surface extending vertically between the first surface and the second surface. The first surface may face the longitudinal beam, and battery terminals may extend from the third surface. Each battery cell may be characterized by a fourth surface opposite the third surface. The packs may include a lid coupled with the first surface of each battery cell of the plurality of battery cells. The packs may include a base coupled with the second surface of each battery cell of the plurality of battery cells.

Abstract: A vehicle includes a chassis, a controllable vehicle component, a hydraulic circuit, a heater, a temperature sensor, and a controller. The hydraulic circuit includes a reservoir configured to store hydraulic fluid, a pump positioned to drive the hydraulic fluid from the reservoir and throughout the hydraulic circuit, and an actuator positioned to selectively receive the hydraulic fluid from the pump to selectively operate the controllable vehicle component. The heater is positioned to facilitate selectively heating the hydraulic fluid. The temperature sensor is positioned to acquire temperature data indicative of a temperature of the hydraulic fluid. The controller is configured to monitor the temperature of the hydraulic fluid and selectively activate at least one of the heater or the pump to thermally regulate the hydraulic fluid (i) to maintain the hydraulic fluid within a target temperature range and (ii) independent of (a) an operator input and (b) engagement of the actuator.

Abstract: A distributor (3) of the closed-center, load sensing type, connected to a variable displacement pump (1) comprises a valve device (10, 110), composed of a logic element, which is pilot-operated and configured to bring a high-pressure channel (2) into communication with a low-pressure channel (4), the connection being usually opened by the combined action of an equivalent pressure generated by an elastic member (12) and a counter-pressure which is generated, under operative conditions, in the low-pressure channel (4). The connection is closed in a switching position and it is pilot-operated to a closure position by the combined action of a high-pressure signal (P) and a load sensing signal (LS).

Abstract: A tracked vehicle comprising: a body comprising a lower structure and an upper structure rotatable relative to the lower structure about an axis; an angle sensor for detecting rotation of the upper structure relative to the lower structure; first and second track assemblies mounted, respectively, on opposite lateral sides of the body; a prime mover; an electronic control unit (ECU); and a transmission for controllably transferring power from the prime mover to the track assemblies based on an output of the ECU. The ECU is configured for responding to the angle sensor having detected a relative angular displacement in excess of a threshold angular displacement by: causing a signal to be emitted via an output interface to indicate that a directionality switchover is available to be requested; and, in response to detecting a directionality switchover request, causing the transmission to implement a directionality switchover for the tracked vehicle.

Abstract: An excavator arm includes at least: a frame including i) a boom linkage part to swingably link excavator arm to an excavator boom about a boom axis, and ii) a tool linkage part to swingably link the excavator arm to a tool about a tool axis, the boom axis and the tool axis extending in a frame plane, an arm linear actuator extending along a longitudinal axis, the arm linear actuator having i) a proximal linkage pan linked to the frame about a proximal linkage axis and ii) a distal linkage part linked to the frame about a distal linkage axis, the proximal linkage axis and the distal linkage axis extending in an actuator plane, and an electric motor configured to drive the arm linear actuator. Electric motor is arranged between the frame plane and the actuator plane.

Abstract: A hydraulic circuit for construction machinery having a floating function, according to the present invention, is provided with: two or more hydraulic pumps; a hydraulic cylinder connected to the hydraulic pumps; a boom driving control valve provided on the flow path between the hydraulic pump on one side and the hydraulic cylinder; a boom confluence control valve provided on the flow path between the hydraulic pump on the other side and the hydraulic cylinder; an operating lever; a first sensor for measuring the hydraulic fluid pressure of a large chamber of the hydraulic cylinder; a second sensor for measuring the boom lowering pilot pressure applied to one end of the boom driving control valve; a control valve provided on the flow path between the operating lever and the other ends of the boom driving control valve and the boom confluence control valve.

Abstract: A hydraulic control system for a construction machine has a hydraulic actuator that drives an arm, a meter-out channel through which hydraulic fluid discharged from the hydraulic actuator flows, a variable restrictor provided in the meter-out channel, an operating device, and a controller that controls an opening area of the variable restrictor. A posture calculation unit calculates an angle made by the arm with respect to a horizontal direction, a meter-out opening area calculation unit calculates the opening area of the variable restrictor based on the angle made by the arm with respect to the horizontal direction and a time rate of change of the angle, and a meter-out control unit outputs a command signal to a solenoid valve used for adjusting the opening area of the variable restrictor, based on the opening area of the variable restrictor calculated by the meter-out opening area calculation unit.

Abstract: The reducing agent tank has a tank main body and a feed pipe. The tank main body stores a reducing agent to be supplied to an exhaust gas treatment device. The feed pipe protrudes from the tank main body. The feed pipe is provided to replenish the tank main body with the reducing agent. A support base supports a vessel for the reducing agent for replenishment of the reducing agent tank. The support base is variable in position between a developed position in which the support base is arranged at a greater distance from the tank main body than from the feed pipe in a direction of protrusion of the feed pipe from the tank main body in a plan view and a stored position in which the support base is stored in an exterior cover.

Abstract: A method for controlling a work machine, includes: detecting an area present ahead in a traveling direction of a work machine, in which a target traveling speed of the work machine is constant and is lower than a traveling speed at a current point of time; when the area is detected, obtaining a corrected value for correcting the accelerating instruction value; adding the corrected value and an accelerating instruction value for controlling a traveling speed of the work machine obtained based on the target traveling speed to obtain a corrected accelerating instruction value; and outputting the corrected accelerating instruction value to a drive device configured to drive a traveling device in the work machine.

Abstract: A void protection system includes a valve assembly, a second fluid source configured to provide hydraulic fluid to the hydraulic cylinder, an auxiliary valve configured to fluidly connect the hydraulic cylinder to the second fluid source, a sensor assembly, and a controller. The controller is configured to monitor fluid pressure within the hydraulic cylinder based on signals from the sensor assembly, based on a determination that pressure in a rod end or a head end of the hydraulic cylinder is below a first fluid pressure threshold, configure the valve assembly to fluidly connect the corresponding end to the first fluid source, and if the first fluid source is not operational, increase an opening of the auxiliary valve to fluidly connect the corresponding end to the second fluid source and cause the second fluid source to provide fluid until pressure in the corresponding end is above a second fluid pressure threshold.

Abstract: A hydrostatic system is configured to be integrated in a vehicle, e.g. an excavator. The hydrostatic system may comprise a first closed hydraulic circuit including a first hydraulic pump and a first hydraulic motor configured to operate a first component of the vehicle, and a second closed hydraulic circuit including a second hydraulic pump and a second hydraulic motor rated to operate a second component of the vehicle. Furthermore, a single six-port two-position directional valve may be provided. The single six-port two-position directional valve may be configured to switch between a first position and a second position such that in the first position the first hydraulic motor is driven by the first hydraulic pump and the second hydraulic motor is driven by the second hydraulic pump, and in the second position the first hydraulic motor is disconnected from the first hydraulic pump and the second hydraulic motor is driven by both the first and second hydraulic pumps.

Abstract: A hybrid work machine includes a turning electric motor configured to turn an upper-part turning body, a hydraulic actuator, and a controller configured to control turning in a state of an independent turning operation by the turning electric motor and in a state of a combined turning operation by the turning electric motor and the hydraulic actuator. The controller is configured to limit the output of the turning electric motor in the state of the independent turning operation after a transition from the state of the combined turning operation to the state of the independent turning operation to an output smaller than the output of the turning electric motor in the state of the independent turning operation other than the state of the independent turning operation after said transition.

Abstract: A work vehicle includes a vehicle main body, a work implement, an engine, an idle reduction execution portion, and a position determination portion. The work implement is provided in the vehicle main body and includes a boom provided to be drivable in a vertical direction, an arm provided to be drivable with respect to the boom, and a bucket attached to a tip end of the arm. The idle reduction execution portion can stop the engine in an idling state. The position determination portion determines whether or not the bucket may interfere with the vehicle main body, based on a position state of rest of the work implement. When the position determination portion determines that the bucket may interfere with the vehicle main body, the idle reduction execution portion does not stop the engine, and when it is determined otherwise, the idle reduction execution portion stops the engine.

Abstract: An display system of an excavating machine includes: a vehicle condition detector detecting information related to a current position and a posture of the excavating machine having a work equipment including a bucket; a memory unit storing position information of a target surface indicating a target shape of an object to be worked; a display unit displaying the bucket and position information of a design surface and the target surface; and a processing unit calculating a position of a blade edge of the bucket based on the information related to the current position and the posture of the excavating machine, and, when at least part of the bucket enters a predetermined range in a periphery of the target surface in a direction orthogonal to the target surface, displaying a trajectory of the blade edge which is calculated based on the position of the blade edge and which exists in the predetermined range.

Abstract: A swiveling body is installed on a base in a swivelable manner. An electric motor for swiveling swivels the swiveling body. An inverter supplies electric power to the electric motor for swiveling. An obstacle detector detects an obstacle around the base and transmits a detected result to a control unit. When the obstacle detector detects the obstacle, the control unit determines whether or not the obstacle is present within a monitoring region, and when the obstacle is present inside the monitoring region, the control unit stops the electric motor for swiveling. In order to avoid danger, the swiveling operation can be stopped more safely.

Abstract: An excavation control system includes a working unit, hydraulic cylinders, a prospective speed obtaining part, a relative speed obtaining part, a speed limit selecting part and a hydraulic cylinder controlling part. The prospective speed obtaining part obtains first and second prospective speeds depending on first and second intervals between first and second monitoring points of the bucket and a designed surface, respectively. The relative speed obtaining part obtains first and second relative speeds of the first and second monitoring points relative to the designed surface, respectively. The speed limit selecting part selects one of the first and second prospective speeds as a speed limit based on relative relations between the first and second relative speeds and the first and second prospective speeds, respectively. The hydraulic cylinder controlling part limits a relative speed of one of the first and second monitoring points to the speed limit.

Abstract: Mobile apparatus, comprising a main frame (202) displaceable on displacing means; a sub-frame (203) which is rotatable around a vertical axis and which is mounted on the main frame and provided with a control unit; at least one operating arm (210) mounted on the sub-frame and an automatically movable lifting device provided on the main frame, which lifting device is adapted to be connectable to an agricultural attachment.

Abstract: The present disclosure provides a backhoe boom lock for engaging a hook member of a boom in a transport position. The boom lock includes a pair of side members disposed parallel to one another along a substantially horizontal axis, each side member having a first end and a second end. A transverse member is coupled between the first end of the pair of side members, the transverse member is configured to engage the hook member in the transport position. The boom lock further includes a pivot point defined near the second end of the pair of side members, the pair of side members being pivotally coupled with respect to the pivot point such that the boom lock pivots about the pivot point. A flange is disposed between the second ends of the pair of side members and is further disposed outwardly from the pivot point at an angle with respect to the horizontal axis. The boom lock also includes a counterweight body integrally coupled to the second ends of the pair of side members.

Abstract: Provided is a hybrid construction machine capable of preventing overcharge, comprising: an engine; a generator-motor; a hydraulic pump; a hydraulic actuator to be operated by the hydraulic pump as a hydraulic pressure source; an actuator regeneration section to make a regenerative action of generating actuator regenerated-electric-power through return fluid from the hydraulic actuator; an electric storage device; a charging-rate detector; and a control section. The control section performs: causing the electric storage device to be charged with electric power generated by the generator-motor and the actuator regenerated-electric-power; causing the generator-motor to make a motor action through electric power stored in the electric storage device to assist the engine; and a regeneration control including stopping the generator action and restricting the actuator regenerated-electric-power, when a detected charging rate of the electric storage device is not smaller than a preset charging-rate limitation value.

Abstract: A shovel includes an internal combustion engine, a hydraulic pump connected to the internal-combustion engine, a generator connected to the internal-combustion engine, and a control part that controls the generator. The control part increases an electric generation load of the generator before a hydraulic load of the hydraulic pump increases.

Abstract: An operator's seat mounting section (11) that is positioned in back side of a floor member (10) includes a seat plate (11D) for mounting an operator's seat (14) and an equipment mounting part (11F) that rises upward from the right side of the seat plate (11D), and a right operating lever assembly (16) is provided in front of the equipment mounting part (11F). A controller accommodating space (21) is provided to be positioned in back side of a console (16A) of the right operating lever assembly (16) and between a side surface (11F1) of the equipment mounting part (11F) of the operator's seat mounting section (11) and the operator's seat (14), and a controller (27) is mounted in the controller accommodating space (21) to control various kinds of electric equipment.

Abstract: A hybrid construction machine is provided. The machine includes a prime mover, at least one fluid pump, at least one fluid actuator, a swing motor, a first flywheel, and a second flywheel. The prime mover drives the at least one fluid pump. The fluid pump provides pressurized fluid to drive the at least one fluid actuator. The returning fluid from the at least one fluid actuator can be used to drive a swing motor, which in turn drives a swing structure. Further, the second flywheel is also coupled with the prime mover. The second flywheel can be configured to store the energy when the prime mover is driven by the at least one fluid pump. The at least one fluid pump is driven by the return fluid from the at least one fluid actuator.

Abstract: A control valve block is mounted on a bottom plate of a revolving frame through a control valve block mounting plate. In this case, a left support member and a right support member are provided on a back surface of the control valve block mounting plate at two spots with equal distances sandwiching a center position of gravity (G) of the control valve block. The left and right support members are mounted on a support beam provided on the bottom plate of the revolving frame. On the other hand, a weight-reducing part is provided at a part in the bottom plate of the revolving frame away from the support beam. The control valve block which is a heavy article is stably supported on the bottom plate at two spots sandwiching its center position of gravity (G). Moreover, the weight of the revolving frame can be reduced by the weight-reducing part.

Abstract: A heat exchanging device has a frame member mounted on a revolving frame, and this frame member supports an oil-cooler and a radiator. A support member is to support a canopy and the like. The support member is composed of a housing support base provided by extending in the left-right direction on an upper side of the engine and a left front leg part and a left rear leg parteach having an upper end mounted on a left-side position in the left-right direction of the housing support base and a lower end mounted on the revolving frame by straddling an engine. The housing support base of this support member has a right side in the left-right direction formed as a free end. Further, the free end of the housing support base is configured to be mounted on the frame member of the heat exchanging device.

Abstract: A revolving frame is provided with left and right vertical plates installed upright on a bottom plate, and a front plate arranged on a front side of the bottom plate and connecting the left and right vertical plates to each other. A left reinforcing plate is provided at a corner where the left vertical plate and the front plate cross each other, and a right reinforcing plate is provided at a corner where the right vertical plate and the front plate cross each other. As a result, the corner portion where the left vertical plate and the front plate cross each other is reinforced by the left reinforcing plate while a left side closed space (LS) is formed, and the corner portion where the right vertical plate and the front plate cross each other is reinforced by the right reinforcing plate while a right side closed space (RS) is formed.

Abstract: An excavation control system includes a working unit having a bucket, a designed landform data storage part storing designed landform data, a bucket position data generation part that generates bucket position data, a designed surface data generation part, and an excavation limit control part. The designed surface data generation part generates superior and subordinate designed surface data based on the designed landform and bucket position data. The superior designed surface data indicates a superior designed surface corresponding to a position of the bucket. The subordinate designed surface data indicates a first subordinate designed surface linked to the superior designed surface. The designed surface data generation part generates shape data indicating shapes of the superior designed surface and the first subordinate designed surface. The excavation limit control part automatically adjusts a position of the bucket.

Abstract: A compact excavator includes an operator's cab with a door capable of opening and closing an opening surface forming a boarding port. The door includes one door piece, and has a flexing portion which is closer to a front pillar than the central portion of the door when the door is in a closed state. The flexing portion is shaped to have a first area so formed that when the door is in a closed state, the first area approaches the opening surface as the first area approaches the front pillar, and a second area arranged continuously with the first area and nearer the front pillar than the first area and being formed so that the second area draws away from the opening surface as the second area approaches the front pillar.

Abstract: A first accommodating case (13) which is located more forward than a fuel tank (12) and is small in height dimension (H1) of an upper surface (13E) is provided on the right side of a revolving frame (5). A second accommodating case (16) the position of an upper surface (16E) of which is higher than the upper surface (13E) of the first accommodating case (13) and is lower than an upper surface plate (12E) of the fuel tank (12) is provided on the rear side of the upper surface (13E) of this first accommodating case (13). Moreover, a reducing agent tank (20) is provided in a tank accommodating space (15) in the first accommodating case (13) and articles such as a tool box (23) and the like are accommodated in an article accommodating space (17) in the second accommodating case (16).

Abstract: A control system is disclosed for use with a machine. The control system may have a first work tool connected at an end of a linkage arrangement, and a first interface device configured to receive input indicative of a desired movement of the first work tool and to generate a corresponding signal. The control system may also have a plurality of actuators operatively connected to the first work tool via the linkage arrangement, a plurality of valves associated with the plurality of actuators, and a controller in communication. The controller may be configured to determine a combination of the plurality of actuators that should be activated together to generate linkage movements that compound to produce the desired movement of the first work tool based on the signal, and to selectively command movement of a combination of the plurality of valves corresponding to the combination of the plurality of actuators.

Abstract: A cooling fan (12) generating a cooling air in a suctioning direction, a radiator (20) provided by facing the cooling fan (12) and cooling an engine coolant by passage of the cooling air, and an oil cooler (21) arranged in parallel with the radiator (20) so as to be in parallel with respect to a flow direction of the cooling air and cooling a hydraulic oil by passage of the cooling air are provided. On a suction side of the cooling air with respect to the radiator (20) and the oil cooler (21), a cooling-air adjusting member (26) for adjusting a ratio of a cooling air amount to be supplied to the radiator (20) and a cooling air amount to be supplied to the oil cooler (21) is provided.

Abstract: The invention provides a construction machine control system comprising a working tool (7), a working arm (5) for supporting the working tool and for operating the working tool as required, a machine body (2) for supporting the working arm and for being rotatable, a rotating direction acquiring unit (13, 14) provided on the machine body, a control unit having a storage unit and a display unit, wherein the working arm is configured by two or more links with length already known respectively which are connected in a bendable manner, wherein there are further provided a two-axis tilt sensor on the machine body for detecting a horizontal position, a working arm tilt sensor for detecting a tilting of each links of the working arm, and a working tool tilt sensor for detecting a tilting of the working tool, wherein the control unit displays a guidance screen on the display unit based on a working data stored in the storage unit and where a working position and a design gradient are set, based on a direction of the m

Abstract: Provided is a hybrid construction machine together with a method for controlling that construction machine in a manner ensuring the operability of its combined operations regardless of fluctuations in the load on its work machine.

Abstract: An upper turning body is mounted on a lower travelling body to be capable of turning. An attachment is arranged in the upper turning body. A power storage device is arranged in the upper turning body together with the attachment. A discharge current from the power storage device drives electric parts. The power storage device has a housing in which a first flow path for coolant's flow is formed. A power storage module is arranged inside the housing. The power storage module includes stacked power storage cells, and the power storage cells are thermally coupled to the first flow path. The housing includes a lower housing and an upper housing. The first flow path is formed in one of a bottom panel of the lower housing and an upper panel of the upper housing.

Abstract: A shovel includes a lower-part movable body, an upper-part turnable body turnably mounted on the lower-part movable body, a boom including a first end rotatably attached onto the upper-part turnable body, an arm including a first end rotatably attached to a second end of the boom, a work element rotatably attached to a second end of the arm, an electrical energy storage device including multiple electrical energy storage cells, and mounted on the upper-part turnable body, a controller configured to control the charge and discharge of the electrical energy storage device, and multiple voltage measurement parts configured to measure the respective cell voltages of the electrical energy storage cells. Information on the cell voltages is transmitted to the controller.

Abstract: A hybrid excavator includes a control unit that is arranged at an upper turning body and is configured to supply a drive signal to at least one of a motor generator control part and a charge/discharge control part. During a regeneration operation performed by a motor, the control unit sets an electrical energy storage target value for a second electrical energy storage device to a higher value than an electrical energy storage target value for a first electrical energy storage.

Abstract: A mining vehicle includes one or more crawlers, a first deck positioned above the crawlers, and a second deck positioned above the first deck. The first deck includes a first floor surface providing a walking surface, and one or more first deck maintenance components configured to allow a person to move among and access the first deck maintenance components. The second deck includes a second floor surface providing a walking surface, one or more second deck maintenance components, and one or more aisles configured to allow a person to move among and access the second deck maintenance components. The first and second decks are configured to provide maintenance access to the first and second deck maintenance components.

Abstract: A front bracket has a fixed part that is fixed to a bottom plate and vertical plates, and a pair of protruded parts that are protruded backward from a rear part of the fixed part so as to extend upper parts of sidewall parts. The fixed part and the protruded parts are sandwiched between opposite surfaces that are opposite to each other at front parts of the vertical plates. The protruded parts are welded to opposite surfaces of the vertical plates that are brought into contact with the protruded parts. Each welded portion between the protruded part and the opposite surface of the vertical plate is formed along an edge of the protruded part that is in contact with the opposite surface of the vertical plate.

Abstract: A mining shovel includes a dipper assembly comprising a dipper arm coupled to a dipper, a boom assembly configured to support the dipper assembly, and an overcrowd prevention system including one or more sensors configured to monitor an axial force. The mining shovel also includes a swing abuse prevention system, including one or more sensors configured to monitor one or more compound loading forces, and one or more sensors configured to monitor a torsion loading force. The mining shovel also includes a control module configured to receive signals from the sensors, and to control at least the crowding force applied to the dipper.

Abstract: In hybrid construction machine employing a hydraulic motor and an electric motor for the driving of the swing structure, satisfactory operability of a combined operation of the swing structure and other actuators is secured irrespective of the operating status of the electric motor. A control device of the hybrid construction machine executes control selected from: hydraulic/electric complex swing control for driving the swing structure by total torque of the electric motor and the hydraulic motor when a swing operating lever device is operated; and hydraulic solo swing control for driving the swing structure by the torque of the hydraulic motor alone when the swing operating lever device is operated.

Abstract: An operator's seat mounting section (11) that is positioned in back side of a floor member (10) includes a seat plate (11D) for mounting an operator's seat (14) and an equipment mounting part (11F) that rises upward from the right side of the seat plate (11D), and a right operating lever assembly (16) is provided in front of the equipment mounting part (11F). A controller accommodating space (21) is provided to be positioned in back side of a console (16A) of the right operating lever assembly (16) and between a side surface (11F1) of the equipment mounting part (11F) of the operator's seat mounting section (11) and the operator's seat (14), and a controller (27) is mounted in the controller accommodating space (21) to control various kinds of electric equipment.

Abstract: An object of the present invention is to provide a construction machine that is capable of effectively charging electrical power into the capacitor in consideration of the drive of a swing section and hydraulic work device. To achieve the object, the present invention grasps the status of the construction machine (2) in advance to calculate energy, predicts the next operation, determines the amount of energy to be charged into a capacitor (13), and controls a DC-DC converter (15) accordingly. Consequently, the loss in a conventional battery (lead storage battery) during regeneration can be reduced to provide increased efficiency.

Abstract: To provide a swing-type construction machine that can reduce force of working device pipes which is generated in accordance with swinging of a working device and presses against a side wall of a swing post.

Abstract: A hydraulic excavator basically includes a lower traveling unit, an upper revolving unit, a counterweight, a machine compartment, a first handrail, a second handrail and a pair of antenna supporting parts. The upper revolving unit is revolvably mounted on the lower traveling unit. The counterweight is disposed on the upper revolving unit. The machine compartment is disposed in front of the counterweight on the upper revolving unit. The first and second handrails are disposed on the machine compartment. The antenna supporting parts are configured to support a pair of antennas. The antenna supporting parts are respectively connected to the first and second handrails.

Abstract: A hydraulic excavator includes a lower traveling unit, an upper revolving unit revolvably mounted on the lower traveling unit, a counterweight disposed on a rear end part of the upper revolving unit, an engine compartment disposed in front of the counterweight on the upper revolving unit, a cab disposed in front of the engine compartment on the upper revolving unit, an equipment compartment disposed between the engine compartment and the cab on the upper revolving unit, a pair of handrails and a pair of antenna supporting parts. The pair of handrails is disposed on the equipment compartment. The pair of antenna supporting parts is configured to support a pair of antennas. At least a portion of the pair of antenna supporting parts is disposed above the engine compartment. The pair of antenna supporting parts is connected to the pair of handrails.

Abstract: A hydraulic excavator basically includes a lower traveling unit, an upper revolving unit, a counterweight, a machine compartment, a first handrail, a second handrail and a pair of antenna supporting parts. The upper revolving unit is revolvably mounted on the lower traveling unit. The counterweight is disposed on the upper revolving unit. The machine compartment is disposed in front of the counterweight on the upper revolving unit. The first and second handrails are disposed on the machine compartment. The antenna supporting parts are configured to support a pair of antennas. The antenna supporting parts are respectively connected to the first and second handrails.

Abstract: An energy recovery system for a machine is disclosed. The energy recovery system may have a tank, a pump configured to draw fluid from the tank and pressurize the fluid, an actuator, and an actuator control valve movable to direct pressurized fluid from the pump to the actuator and from the actuator to the tank to move the actuator. The energy recovery system may also have a motor connected to selectively receive fluid discharged from the actuator and mechanically connected to the pump, and an accumulator configured to store fluid discharged from the motor and to direct stored fluid to the motor to drive the pump.

Abstract: An energy recovery system for a machine is disclosed. The energy recovery system may have a boom circuit with at least a one linear actuator configured to move a work tool, and a boom accumulator configured to selectively collect pressurized fluid from the at least one linear actuator and to discharge pressurized fluid back to the at least one linear actuator. The energy recovery system may also have a swing circuit with a swing motor configured to move the work tool, and a swing accumulator configured to selectively collect pressurized fluid from the swing motor and discharge pressurized fluid back to the swing motor. The energy recovery system may further have a common accumulator passage fluidly connecting the boom accumulator and the swing accumulator.

Abstract: A method and apparatus for locating an individual's mouth and using a feeding device to transfer food to the individual. For example, the apparatus includes a facial recognition sensor that approximates the location of the individual's mouth. Based in part on the output of the facial recognition sensor a feed arm assembly delivers or transfers food to the individual's mouth. In addition to a facial recognition sensor, distance or proximity sensors can also be used to determine the location of the individual's mouth.

Abstract: On the right front side of a revolving frame (5) constituting an upper revolving structure (3), an operating oil tank (11) and a fuel tank (12) are arranged. On the front side of this operating oil tank (11) and the fuel tank (12), an equipment accommodating case (13) forming an accommodating space (13A) inside is provided. In the accommodating space (13A) in the equipment accommodating case (13), a control valve unit (20) for controlling supply/discharge of the operating oil and a urea water tank (24) storing urea water for removing nitrogen oxides contained in an exhaust gas of the engine (8) are arranged together.