1212 results about "Prime mover" patented technology

The invention discloses a fan blade state monitoring method based on multi-sensor fusion, relates to the technical field of wind power, and is suitable for wind energy prime mover equipment manufacturing and blade state monitoring technologies of onshore and offshore wind generating sets. The method comprises the following steps: acquiring operation data, a vibration signal, an acoustic signal and a pulse signal of a fan; the current working condition state of the fan is recognized, common-mode fault verification, local damage positioning and transient stress damage analysis are carried out on the vibration signals and the acoustic signals, and a fault analysis result and a first damage analysis result are obtained; performing phase-locked amplification analysis on the vibration signal and the acoustic signal through active excitation to obtain a second damage analysis result; and finally, a comprehensive state monitoring report of the fan blade is generated, so that the problems of difficulty in identification of weak damage and high false alarm rate of blades of land and offshore wind generating sets in wind energy prime mover equipment manufacturing under a non-stable working condition are solved, and the equipment operation and maintenance intelligent level in the wind energy prime mover equipment manufacturing industry is effectively improved.

A refuse vehicle includes a chassis, an energy storage device, a body, a first electric power take-off system, and a second electric power take-off system. The energy storage device is supported by the chassis and is configured to provide electrical power to a prime mover. Activation of the prime mover selectively drives the refuse vehicle. The body is supported by the chassis. The first electric power take-off system is coupled to at least one of the body and the chassis, and includes a first motor that is configured to drive a first hydraulic pump to convert electrical power received from the energy storage device into hydraulic power. The second electric power take-off system is coupled to at least one of the body and the chassis, and includes a second motor that is configured to drive a second hydraulic pump to convert electrical power received from the energy storage device into hydraulic power.

A vehicle having a primary mover, a charging system, multiple electric loads, and a controller. The charging system includes a charge storing device and an alternator. The alternator is configured to convert mechanical energy generated by the prime mover into electrical energy to charge the charge storing device. The multiple electrical loads are electrically coupled to the charging system via a power distribution module. The controller is communicably coupled to the charging system and is configured to receive an indication that an electrical output of the charging system is unable to provide sufficient electrical energy to each electrical load in the electrical loads. The controller is also configured to provide a control signal to the power distribution module in response to the indication. The control signal is configured to cause the power distribution module to decouple at least one of the electrical loads from the charging system.

A cart may include a vehicle body; wheels supported by the vehicle body and configured to be in contact with a ground; a prime mover configured to drive the wheels; a handle configured to be gripped by a user walking behind the vehicle body; and a control unit configured to control an operation of the prime mover. When the cart performs a turning motion, as compared to a target vehicle speed for a turning motion in which a turning radius of the vehicle body is large, the control unit may be configured to set a slower target vehicle speed for a turning motion in which a turning radius of the vehicle body is small.

Lift equipment includes a chassis, a prime mover, multiple wheels, a lift platform, and a scissor stack assembly. The scissor stack assembly includes a first scissor cross, a second scissor cross, a third scissor cross, and an actuator. The first scissor cross is coupled to the chassis and has first links of a first link length. The second scissor cross is coupled to the lift platform and has second links of a second link length. The third scissor cross is coupled between the first scissor cross and the second scissor cross and has third links of a third link length. The actuator is coupled to the prime mover and is configured to transition the scissor stack assembly between a retracted position and an extended position. The first link length is different than at least one of: (i) the second link length or (ii) the third link length.

A linear actuator system includes a linear actuator and an integrated pump assembly connected to the linear actuator to provide fluid to operate the linear actuator. The integrated pump assembly includes a pump with two fluid drivers, each fluid driver comprising a prime mover and a fluid displacement assembly to be driven by the prime mover such that fluid is transferred from a first port of the pump to a second port of the pump. The pump assembly also includes two valve assembles to isolate the pump from the system. The linear actuator system also includes a controller that establishes the pump in a normal mode of operation in which the prime movers are independently driven and switches to a fail-safe mode of operation in which only one prime mover is operated.

A compact utility vehicle including a chassis supporting a prime mover, ground engaging wheels or tracks, an implement, and a rear standing platform operably coupled to the chassis. The vehicle can be equipped with a control console that is operably coupled to the chassis at an elevation above the rear standing platform. The console can have two manual input devices, including a first manual input device configured to control the ground engaging wheels or tracks located along the lateral direction of the vehicle between a longitudinal centerline of the vehicle and 50% of a distance to a first side of the control console, and a second manual input device defining a rigid grip and a thumb switch control portion to control the operation of the implement, located along the lateral direction of the vehicle between the longitudinal centerline of the vehicle and 50% of a distance to a second side of the control console.

A backpack-type blower disclosed herein may include: a backpack unit including a backpack frame and a shoulder belt attached to the backpack frame; a housing supported by the backpack frame; a prime mover supported by the housing; a blower fan disposed within the housing and configured to be driven by the prime mover; a flexible pipe extending from the housing; a blower pipe extending from a front end of the flexible pipe; a grip unit disposed on the blower pipe; and a suspension band. One end of the suspension band may be connected to the flexible pipe, the blower pipe, or the grip unit, at a position frontward of at least a part of the flexible pipe. Another end of the suspension band may be connected to the backpack unit.

The embodiment of the invention provides a digital simulation modeling method and device of a tandem type hybrid electric propulsion system, computer equipment and a medium, and relates to the technical field of simulation modeling, and the method comprises the following steps: constructing a turboshaft prime mover model, constructing a generator model, connecting the turboshaft prime mover model and the generator model in series to generate a generator set, the power generation groups are connected in parallel to construct a turbine power generation system; constructing a propulsion system; constructing a battery energy storage system; constructing a power transmission and distribution system, and respectively connecting the power transmission and distribution system with a turbine power generation system, a propulsion system and a battery energy storage system; and constructing a comprehensive control and energy management system, and outputting a digital simulation modeling result through a turbine power generation system, a power transmission and distribution system and a battery energy storage system. According to the scheme, a simulation modeling method based on multi-physics field coupling double-power-source dynamic response and energy flow regulation and control provides reliable modeling technical support for engineering application of a tandem type hybrid electric propulsion system.

A refuse vehicle includes a chassis, a first energy storage device, a body, an electric power take-off system, and a subsystem coupled to the body and moveable using hydraulic power from the electric power take-off system. The first energy storage device (e.g., a battery) is supported by the chassis and is configured to provide electrical power to a prime mover. Activation of the prime mover selectively drives the refuse vehicle. The body is configured for storing refuse, and is supported by the chassis. The electric power take-off system is positioned on the body and includes an electric motor, a second energy storage device configured to provide electric power to the electric motor, and a hydraulic pump that is drive by the electric motor. The electric motor drives the hydraulic pump to convert the electrical power into hydraulic power.

A vehicle system includes a vehicle and a control system. The vehicle includes a chassis, a plurality of tractive assemblies coupled to the chassis, a prime mover configured to drive one or more of the plurality of tractive assemblies, a first sensor configured to facilitate monitoring a tracked location of the vehicle, and a second sensor configured to facilitate detecting a surface type of a ground surface. The control system is configured to monitor the tracked location of the vehicle based on a first signal acquired from the first sensor, determine the surface type of the ground surface based on a second signal acquired from the second sensor, and permit unrestricted operation of the vehicle when the tracked location indicates that the vehicle is located in a restricted operation area but the surface type indicates that the vehicle is not in the restricted operation area.

The invention discloses a hydroelectric generating set forced mechanism low-frequency oscillation elimination method and device, and the method comprises the steps: monitoring the power oscillation inherent frequency of a hydroelectric generating set at different load sections, and determining the resonant frequency early warning range of the pressure pulsation of a draft tube of the hydroelectric generating set according to the power oscillation inherent frequency of the hydroelectric generating set; a hydroelectric generating set combination strategy considering the vibration area is calculated to obtain the resonance adjustable load capacity, and the guide vane opening degree corresponding to each hydroelectric generating set is reversely calculated according to the resonance adjustable load capacity; when it is monitored that the hydroelectric generating set draft tube pressure pulsation frequency is within the resonance frequency early warning range and the amplitude exceeds the set value, the multiple hydroelectric generating sets are controlled to act in a coordinated mode to adjust the guide vane opening degree. Under the condition that a prime motor and a water diversion system are not changed, forced power oscillation accidentally occurring in the vibration crossing area of the large hydropower station can be rapidly eliminated.

The present disclosure relates to a powertrain for a work machine (50). The powertrain (100) comprises a first prime mover (10), a second prime mover (12), a set of first gears (14a, 14b), a set of second gears (16a, 16b), an engaging unit (24), and an actuator (26). The first prime mover (10) configured to engage a first shaft (18). The second prime mover (12) configured to engage a power take off (PTO) shaft (20). The first gears (14a, 14a) mounted on the first shaft (18) and the second gears (16a, 16b) mounted on the PTO shaft (20). The actuator (26) configured to be in communication with the engaging unit (24), and further configured to selectively displace the engaging unit (24) from the idling configuration to the engaging configuration to engage with one of the second gears (16a, 16b). Advantageously, the engaging unit (24) facilitates the coupling of the second prime mover (12) with the first prime mover (10); therefore the powertrain (100) provides the desired torque to meet the requirements.

The utility vehicle that includes a frame carrying a prime mover and extending between a first end and a second end in a longitudinal direction. The vehicle also includes ground engaging members operatively attached to the frame. At least one of the ground engaging members is powered by the prime mover to propel the frame over a ground surface. Also, the vehicle includes a control tower (supporting operator controls) located at or near a rear end of the frame, a tank positioned lateral to the control tower, and a support pad connected to the control tower and configured to contact a leg of an operator. Further, a pad surface of the support pad is configured to align with a portion of an angled surface of the tank. Therefore, an operator leaning against the pad surface and angled surface of the tank experiences a smooth transition therebetween.

The invention discloses a power system load frequency control method considering disturbance compensation and a related device, and belongs to the technical field of power system regulation and control. The method comprises the following steps: respectively carrying out frequency modulation characteristic analysis on a speed regulator, a prime mover and a generator-load of the power system, and establishing a subsystem nominal model of the multi-region interconnected power system; designing a disturbance observer to observe external unknown disturbance to obtain a disturbance estimation value, and further obtaining a subsystem load frequency control model containing disturbance compensation information; based on a distributed model prediction control strategy, a distributed model prediction controller considering disturbance compensation is designed according to the subsystem load frequency control model containing the disturbance compensation information; when a certain area in the interconnected power system is disturbed, the frequency deviation of each sub-area is adjusted to be zero through a distributed model prediction controller considering disturbance compensation, and it is ensured that power exchange between connecting lines in the sub-areas and the interconnected areas of the connecting lines is kept in a zero steady state.

A grounds maintenance vehicle is disclosed. A vehicle frame extends between a first end and a second end in a longitudinal direction. A prime mover is coupled to the vehicle frame. A hydraulic pump assembly is coupled to the vehicle frame, where the hydraulic pump assembly is in mechanical communication with the prime mover. A hydraulic fluid line has a first end and a second end. The first end is fluidly coupled to the hydraulic pump assembly. A drive wheel motor is fluidly coupled to the second end of the hydraulic fluid line. The first end of the hydraulic fluid line extends longitudinally outward from the hydraulic pump assembly in a direction away from the prime mover.

An off-highway recreational includes a frame, a prime mover, a transmission, an intermediate shaft and a main shaft. The transmission is mechanically coupled to receive power from the prime mover and to provide mechanical power at a transaxle output shaft. The intermediate drive shaft is mechanically coupled to the transaxle output shaft, wherein the intermediate drive shaft has a first diameter. The main drive shaft is mechanically coupled to the intermediate drive shaft, wherein the main drive shaft has a second diameter that is greater than the first diameter.

The present disclosure relates a power transmission system (100) for a work machine (50). The work machine is defined by drive wheels (14) for driving the work machine and a power take off (PTO) shaft (18) for driving a plurality of implements attached to the work machine. The system (100) comprises a first prime mover (10), a second prime mover (16), a first gear (20), a second gear (22), an engaging unit (24) and a switch. The engaging unit (24) is configured to be operatively mounted on the PTO shaft (18). The engaging unit (24) is configured to be displaced on the PTO shaft (18) from an idling configuration to an engaging configuration based on the satisfaction of a predetermined set of conditions. The system provides the compact assembly without any additional requirement of any external transmission assembly. Also, it makes the coupling response quick and provides smooth and noise free shifting and coupling of gears.

A locomotive comprises a DC power bus, traction motors, batteries, and a charging source, but has no prime mover engine. Each traction motor includes armature and field windings connected in parallel across the DC power bus. The batteries provide power to the DC power bus when in a motoring mode, and receive power from the DC power bus when in a charging mode and a dynamic braking mode. The charging source is connected across the DC power bus to provide charging power to the batteries when in the charging mode. The traction motors also provide charging power to the batteries when in the dynamic braking mode. The power from the charging source is less than the power that would be provided by a prime mover engine. The charging source provides no power to the traction motors when in the charging mode.

A pumping system, comprising: a pump fluid end comprising a plurality of pump chambers, each pump chamber comprising a bore having a reciprocatable plunger disposed therein, a suction valve, and a discharge valve; a prime mover mechanically coupled to the fluid end [by a drivetrain] and configured to reciprocate the plungers; and a controller communicatively coupled to the prime mover, the fluid end, or both and configured to alert a user re a pump malfunction, initiate corrective action of the pump malfunction, or both in response to: (a) an indication of torque reversal during operation of the pumping system, (b) an indication of negative flow rate from the pump during operation of the pumping system, (c) an indication of leakage of (i) a single discharge valve in a 3-plunger pump or (ii) discharge valves associated with two plungers in adjacent firing order, or (d) any combination of (a)-(c).

A hydraulic system includes a prime mover, a variable displacement first hydraulic pump to be driven by the prime mover to deliver hydraulic fluid, a first hydraulic actuator to be driven by fluid delivered by the first hydraulic pump, a variable displacement second hydraulic pump to be driven by the prime mover to deliver hydraulic fluid, a second hydraulic actuator to be driven by fluid delivered by the second hydraulic pump, and first and second restrictors configured or programmed to restrict an output of the respective first and second hydraulic pumps based on a load on the prime mover. The first restrictor is configured or programmed to change an output restriction of the first hydraulic pump based on priority information about the first and second hydraulic actuators and / or the second restrictor is configured or programmed to change an output restriction of the second hydraulic pump based on the priority information.

A local fleet connectivity system includes a plurality of machines disposed at a location. Each of the plurality of machines include an implement and a prime mover configured to drive the implement. The system includes a connectivity hub configured to establish, via a connectivity module, a connection with the plurality of machines. The connectivity hub is configured to establish a connection with at least one remote server. The connectivity hub is configured to exchange data between the plurality of machines and the at least one remote server. The data flows through the connectivity hub.

A method includes receiving an indication regarding a deceleration event for a vehicle, remapping a response of a prime mover of the vehicle from following a first response curve to following a deceleration response curve in response to (i) the deceleration event and (ii) a speed of the vehicle being greater than a speed threshold, and activating an output of the prime mover to accelerate the vehicle at a relatively lesser amount of depression of an accelerator from a non-depressed state of the accelerator than prior to the deceleration event in response to the accelerator being engaged by an operator following the deceleration event.

An all-terrain vehicle includes a frame, wheels, a suspension system, a prime mover assembly, and a drive train. The front suspension includes left and right upper rocker A-arms pivotally connected to the frame, left and right lower rocker A-arms pivotally connected to the frame, and left and right front knuckle connected between the respective upper and lower rocker A-arms and the respective front wheel. Each front knuckle has upper and lower connecting portions for attaching to the upper and lower rocker A-arms, at least one of which is separately formed from the main body with a flange connected to the main body by at least one fastener. A camber adjusting spacer can be positioned between the flange and the main body to adjust camber of the respective front wheel.

To improve convenience of an operator by information displayed in a meter panel of a work vehicle.SOLUTION: An information display system for a work vehicle according to an embodiment includes: a meter panel unit having a digital display; and a control device that controls operation of the meter panel unit. In the work vehicle, a plurality of modes can be simultaneously set. Two or more modes among the plurality of modes have a target rotation speed of a motor of the work vehicle different from each other. When the plurality of modes are simultaneously set, the control device causes the digital display to display a first mode having the highest target rotation speed among the plurality of modes and first information indicating a value of a first target rotation speed of the first mode.SELECTED DRAWING: Figure 18

Apparatus controls trim angle of outboard motor (or sterndrive) attached to watercraft. Outboard motor includes prime mover and propulsor driven by prime mover. Apparatus includes: actuator changing trim angle; sensor detecting moving speed of watercraft (or rotational speed of prime mover); switch operated by operator to enable or disable automatic trim for automatically adjusting trim angle to target angle predetermined in accordance with moving speed detected by sensor; electronic control unit including processor and memory coupled to processor and controlling actuator so that trim angle becomes target angle when automatic trim is enabled; and operation member operated by operator to input change command for changing target angle when automatic trim is enabled. Processor disables automatic trim when target angle changed by change command reaches maximum value of target angle predetermined in accordance with moving speed or rotational speed.

A fifth-wheel load measurement system for sensing unbalanced loads between a prime mover and a trailer comprising: a body; a king pin adapted for coupling to a fifth wheel; and at least two sensors configured for measuring relative motion of the body in response to a force applied through the king pin.

An actuator including an impulse generation arrangement including an atmospheric pressure chamber, and a valve connected fluidly to the chamber, a prime mover arrangement including a device piston, and a hydrostatic pressure source, and a hydraulic chamber disposed between and fluidically connecting the impulse generation arrangement and the prime mover arrangement. A method for actuating a downhole tool including signaling the trigger in an actuator, opening the atmospheric chamber of the actuator, causing a low pressure pulse in the actuator, and moving the device piston with the pulse. A borehole system including a borehole in a subsurface formation, a string in the borehole, and the actuator disposed within or as a part of the string.

Systems can comprise a prime mover and an enclosure. The enclosure can include a body that comprises walls and one or more anti-ballistic materials. The prime mover can be housed in the body of the enclosure. For at least one of the walls of the body of the enclosure, at least one of the anti-ballistic material(s) can be attached to an inner surface of the wall. Each of the anti-ballistic material(s) may be in the form of a woven fabric comprising para-aramid fibers. In some examples, for each of the pumping unit(s), the walls of the enclosure's body include opposing first and second sidewalls; and opposing front and rear walls, each extending from the first sidewall to the second sidewall; wherein for each of the first and second sidewalls and front and rear walls, at least one of the anti-ballistic material(s) is attached to the inner surface of the wall.

The invention relates to a simulation modeling method for a generator body and accessories thereof for transient calculation, which comprises the following steps of: constructing generator body models with different complexities, and simplifying the generator models; according to the construction result of the generator body model, constructing a generator accessory model matched with the generator body model, considering dynamic characteristics in a prime mover model, and simulating transient dynamic processes of the generator and accessories thereof; parameters of the generator body model and the accessory model are initialized, a swing angle is calculated according to generator terminal voltage and current, and the calculated swing angle serves as an input parameter and is stored in a parameter data structure of the generator model; and performing simultaneous solution on the generator body and the accessory model, performing transient simulation calculation, and dynamically adjusting the simulation precision by adjusting the orders of the generator body models and selecting the generator body models with different complexities. And real and reliable modeling and data preparation are provided for accurate and complete simulation of a complex power grid catastrophe and recovery process.