888 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 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.

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 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.

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

The invention relates to a stator (1) for an electric axial flux machine (2), more particularly to a stator (1) for an axial flux machine (2) designed as a prime mover for electrically driven motor vehicles, comprising a stator body (10) having a plurality of stator teeth (11) distributed around a circumference and a stator winding (3). According to the invention, at least one of the wound stator teeth (11) is divided into at least two stator partial teeth (111, 112, 113, 114) viewed in the radial direction, wherein the at least two stator partial teeth (111; 112) are wound with different numbers of turns of the stator winding (3).

A concrete mixer vehicle includes a chassis, a cab coupled to the chassis, a drum assembly coupled to the chassis, and a module coupled to the chassis and positioned rearward of the drum assembly. The module includes a prime mover, a cooling system, and a hood. The hood has a first end positioned proximate the drum assembly, an opposing second end positioned proximate a rear end of the chassis, and a top surface. The hood defines an internal cavity within which the prime mover and the cooling system are disposed. The first end defines an inlet airflow cavity. The inlet airflow cavity has a bottom surface and an air inlet positioned between the top surface and the bottom surface. The air inlet connects the inlet airflow cavity to the internal cavity.

A hybrid transmission system with a multi-speed gearbox. The multi-speed gearbox is configured to rotationally couple a prime mover and an electric machine to different gear ratios during a hybrid drive mode. The multi-speed gearbox includes an electric drive interface gear positioned coaxial to a first primary shaft and a second primary shaft and idly mounted, free to spin, to the second primary shaft and an output shaft that includes an output shaft gear which is fixedly coupled thereto meshes with a gear on a secondary shaft.

The invention discloses a new energy minimum inertia demand calculation method for a power system. The method comprises the following steps: acquiring data information of a target power system; performing equivalence on a speed regulator and a prime mover model of each generator set in the target power system; constructing a new energy minimum inertia demand mathematical model considering the lowest frequency point of the target power system; and calculating the minimum inertia demand value of the new energy of the target power system based on the constructed mathematical model. The invention also discloses a system for realizing the new energy minimum inertia demand calculation method for the power system. According to the method, through system equivalence and model construction, calculation of the minimum inertia demand of the new energy of the power system is achieved, the optimization problem can be conveniently embedded and implemented, and the method is high in reliability, good in accuracy, convenient to apply and high in efficiency.

A cutter machine may include a cutter unit, a prime mover configured to drive the cutter unit, a housing including a housing body and a grip, wherein the housing body holds the cutter unit and houses the prime mover, and the grip extends from the housing body and is configured to be grasped by a user's hand, and a hand guard attached to the housing, configured to protect fingers of the user's hand grasping the grip, and being more deformable than the housing.

A working machine includes a machine body; a prime mover mounted on the machine body; a peripheral device disposed in a periphery of the prime mover; and an attachment bracket to support the peripheral device. The attachment bracket includes a base member to support the peripheral device in a vicinity of a driven unit to be driven with power of the prime mover, and a pressing member coupled to the base member, to hold the peripheral device between the pressing member and the base member.

A drive force control system for an electric vehicle configured to prevent a temperature rise in a motor to a restrictive temperature, and to ensure running stability of the electric vehicle when the temperature of the motor reaches the restrictive temperature. The control system comprises: an upper limit torque determiner that employs a torque of the first motor as an upper limit torque when a temperature of the first motor reaches a first predetermined temperature, in a case that the temperature of the first motor is higher than a first predetermined temperature but lower than a first restrictive temperature; a restrictive torque determiner that employs a first limit torque as the upper limit torque of the first motor, in a case that the temperature of the first motor reaches the first restrictive temperature; and a target torque determiner configured to determine a torque of another prime mover based on the upper limit torque of the first motor and a target torque ratio between the front wheel and the rear wheel.

An autonomous mobile robot includes a chassis, tractive elements coupled with the chassis, a primary mover, and an implement assembly. The primary mover is configured to drive the tractive elements to transport the autonomous mobile robot. The implement assembly is coupled with the chassis. The implement assembly includes a deck configured to define a work area configured to support a material, equipment, and tools for transport to a worksite. The implement assembly also includes a lift interface operably coupled with an implement actuator. The lift interface is configured to be driven by the implement actuator to removably couple with the material, equipment, or tool, and lift the material onto the deck for transport to the worksite.

Systems and methods for identifying a status of components of hydraulic fracturing units including a prime mover and a hydraulic fracturing pump to pump fracturing fluid into a wellhead via a manifold may include a diagnostic control assembly. The diagnostic control assembly may include sensors associated with the hydraulic fracturing units or the manifold, and a supervisory control unit to determine whether the sensors are generating signals outside a calibration range, determine whether a fluid parameter associated with an auxiliary system of the hydraulic fracturing units is indicative of a fluid-related problem, determine whether lubrication associated with the prime mover, the hydraulic fracturing pump, or a transmission of the hydraulic fracturing units has a lubrication fluid temperature greater than a maximum lubrication temperature, or determine an extent to which a heat exchanger assembly associated with the hydraulic fracturing units is cooling fluid passing through the heat exchanger assembly.