264 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.

Devices are for compensating for the roll of a fifth-wheel coupling, such as on a prime mover towing a semi-trailer. An automated compensation system for a fifth-wheel coupling mounted on a towing vehicle unit includes a first pivoting support to support one lateral side of the fifth-wheel coupling; a second pivoting support to support an opposite lateral side of the fifth-wheel coupling; an actuator configured to cause movement of the first and second pivoting supports; a sensor to sense a parameter relevant to determining whether roll compensation is required for the vehicle; a controller configured to receive a sensor output of the sensor and to determine whether roll compensation is required based on the sensor output, the controller being further configured to issue a control signal to cause the actuator to move the first and second pivoting supports when the controller determines that roll compensation is required.

Example embodiments of the present invention include a prime mover, an operator's seat provided at a distance from the prime mover, and a partition wall provided between the prime mover and the operator's seat, wherein the partition wall includes a pair of metal plates facing each other with a space therebetween and arranged in a direction from the prime mover toward the operator's seat.

To provide an evaporation device and a distributor that can suppress the decrease in evaporation efficiency in the heat transfer section due to a drop in the liquid level, shorten the processing time, or prevent scale buildup or scorching. [Solution] An evaporation apparatus comprising a vertical cylindrical evaporator, a return channel 5, and a distributor 15, wherein the vertical cylindrical evaporator has a heat transfer section, a liquid supply section, a drain section, an exhaust section, a stirring shaft, and a prime mover, the heat transfer section heats the liquid in the vertical cylindrical evaporator, the return channel transports liquid from the drain section of the vertical cylindrical evaporator to the liquid supply section of the vertical cylindrical evaporator, the drain section can discharge the liquid in the vertical cylindrical evaporator to the outside of the vertical cylindrical evaporator, the liquid supply section can bring liquid outside the vertical cylindrical evaporator into the vertical cylindrical evaporator and supply it to the distributor, and the distributor rotates around a vertical axis within the vertical cylindrical evaporator, receives the liquid supplied in this order through the drain section, the return channel, and the liquid supply section, and can spray the received liquid onto the inner surface of the shell of the vertical cylindrical evaporator.

The present invention relates to a hydraulic system for construction machinery, comprising: a drive device operated by hydraulic pressure; an operation unit for controlling the drive device; a prime mover for generating power; a main pump driven by the prime mover and configured to discharge main hydraulic fluid; a main control valve configured to receive a corrected pilot pressure and control the supply of the main hydraulic fluid to the drive device; a pilot pump driven by the prime mover and configured to discharge pilot hydraulic fluid; and a pilot compensation unit configured to generate, via the pilot hydraulic fluid, the corrected pilot pressure, which is obtained by adding a compensation pilot pressure to an initial pilot pressure corresponding to the operation amount of the operation unit, and to provide the corrected pilot pressure to the main control valve, wherein the pilot compensation unit varies the compensation pilot pressure in correspondence with the rotational speed of the prime mover.

A vehicle is provided, comprising a plurality of ground engaging members and a frame supported by the plurality of ground engaging members. The frame defines an operator area. A powertrain is supported by the frame and the powertrain comprises a prime mover including a prime mover air inlet and a transmission operably coupled between the prime mover and at least one ground engaging member of the plurality of ground engaging members. The transmission comprises a transmission air inlet. A roof is supported by the frame and positioned above the operator area and the roof defines a first roof inlet fluidly coupled with the prime mover air inlet and a second roof inlet fluidly coupled with the transmission air inlet.

A working machine may include a rotary blade, an output shaft, a prime mover, a working machine body, a blade cover, and a cover retainment mechanism rotatably supporting the blade cover about a cover rotation axis. The cover retainment mechanism may include a first member including a first cylindrical portion enclosing the output shaft, an outer thread defined in an outer circumferential surface of the first cylindrical portion, and a first cover support portion supporting the blade cover in a first direction which is along the cover rotation axis and a second member including a second cylindrical portion disposed radially outside the first cylindrical portion, an inner thread defined in an inner circumferential surface of the second cylindrical portion and onto which the outer thread is screwed, and a second cover support portion supporting the blade cover in a second direction which is opposite to the first direction.

This invention relates to the field of prime mover calibration, specifically to a control method for a turbine-type hydraulic dynamometer, comprising the following steps: obtaining the optimal opening degree of the inlet valve for all speed segments through segmented speed trial adjustment; obtaining the specific operating condition speed value, speed adjustment range, and automatic adjustment closing value of the drain valve for each operating condition; performing weighted judgment based on the speed monitoring sequence; calculating the linear fitting degree as a correction coefficient, and obtaining the speed deviation and valve position correction amount. This invention matches a dedicated speed adjustment range and initial adjustment value of the drain valve for each preset operating condition, eliminating the need for blind trial and error in the gradient adjustment of the drain valve, enabling rapid adaptation to the operating condition switching requirements of the prime mover, shortening the convergence time of speed control, and improving the dynamometer's response speed to operating condition switching.

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 fluid differential pressure energy recovery system which is characterized in that a fluid differential pressure energy recoverer is arranged in a pressure separation type heat exchange fluid transmission and distribution pipe network, the fluid differential pressure energy recoverer comprises a driving pump head, a driven pump head and a transmission part between the two pump heads, the driving pump head is connected into a primary pipe network, and the driven pump head is connected into a secondary pipe network; wherein the driving pump head and the driven pump head are formed by transforming a fluid pump without a prime motor, the driving pump head operates according to a reverse mode of the pump, the driven pump head operates according to a forward mode of the pump, and the transmission part is in direct contact transmission such as coupler transmission, gear transmission, belt transmission and chain transmission. Or a non-contact transmission mode, such as a magnetic coupler transmission mode, is adopted. By means of the fluid pressure difference energy recovery system, the surplus pressure difference in a fluid transmission and distribution pipe network can be converted into power needed by fluid flowing.

An all-terrain vehicle, including: a body with a front end and a rear end; a prime mover positioned towards the rear end and with a front facing the rear end; and vertical offset gearing which, in use, receives torque from the prime mover through an input and delivers torque to an output that is below the input, the output for driving at least one axle assembly of the vehicle.

A weed removal tool includes a body, a plurality of wheels coupled to the body, a prime mover supported by the body, and a controller configured to operate the prime mover to directly or indirectly rotate at least some wheels of the plurality of wheels to move the weed removal tool along a surface of a field. An imaging device is coupled to the body and in communication with the controller, the imaging device configured to capture images of a portion of the surface. A weeding assembly is coupled to the body and includes a frame, a cutting assembly coupled to the frame and having a blade configured to rotate to cut weeds, and an actuator coupled to the frame and configured to adjust a position of the cutting assembly based at least in part on the images.

A mower includes: a housing; a cutting mechanism, disposed on the housing. The cutting mechanism includes a cutting blade, a blade carrier, a blade carrier height-adjustment assembly and a prime mover. The blade carrier height adjustment assembly includes at least two blade carrier connectors for connecting the blade carrier and the prime mover, and an adjusting part for adjusting the relative position of the at least two blade carrier connectors.

The present invention properly brings a work machine into an idling state.　A work machine (1) is provided with a prime mover (9, 69), a hydraulic pump (P1, P2) that is driven by the prime mover and discharges hydraulic oil, hydraulic actuators (C1-C5, ML, MR, MT) operated with the hydraulic oil, a pressure sensor (43, 49) for detecting the pressure of the hydraulic oil, a temperature sensor (44) for detecting the temperature of the hydraulic oil, and a control device (7) for determining a first threshold value in accordance with the rotation speed of the prime mover and the temperature of the hydraulic oil and, when the pressure of the hydraulic oil detected by the pressure sensor becomes equal to or lower than the first threshold value, executing idling control by which the prime mover is rotated at a prescribed idling rotation speed.

A microgrid system includes a common bus; a generator electrically connected to the common bus, the generator comprising a prime mover; a generator stator; and a generator rotor coupled to the prime mover. The generator rotor and the prime mover have a combined generator rotational moment of inertia and the prime mover is configured to rotate the generator rotor relative to the generator stator at a system angular velocity to generate electricity The synchronous condenser includes a synchronous condenser rotor with a synchronous condenser rotational moment of inertia The synchronous condenser rotor is configured to rotate at the system angular velocity in response to rotation of the generator rotor. The microgrid system has a combined system rotational moment of inertia including the generator rotational moment of inertia and the synchronous condenser rotational moment of inertia, wherein the system rotational moment of inertia resists deviation of the system angular velocity.

A power transmission device (10) for a work vehicle (100) includes a transmission (11) including an input shaft (20) rotationally driven by a prime mover (103), a continuously variable transmission (30), a planetary gear mechanism (40), and a plurality of transmission gears (50). The first planetary gear mechanism (41) includes a first ring gear (41R), a first sun gear (41S), and a first planetary gear (41P). The second planetary gear mechanism (42) includes a second ring gear (42R), a second sun gear (42S), and a second planetary gear (42P). The first planetary gear (41P) further includes a third planetary gear (43P) that meshes with the second planetary gear (42P). An outer diameter dimension (RS1) of the first sun gear (41S) is larger than an outer diameter dimension (RS2) of the second sun gear (42S), and an inner diameter dimension (RR2) of the second ring gear (42R) is larger than an inner diameter dimension (RR1) of the first ring gear (41R).

A microgrid system includes a common bus; a generator electrically connected to the common bus, the generator comprising a prime mover; a generator stator; and a generator rotor coupled to the prime mover. The generator rotor and the prime mover have a combined generator rotational moment of inertia and the prime mover is configured to rotate the generator rotor relative to the generator stator at a system angular velocity to generate electricity. The synchronous condenser includes a synchronous condenser rotor with a synchronous condenser rotational moment of inertia. The synchronous condenser rotor is configured to rotate at the system angular velocity in response to rotation of the generator rotor. The microgrid system has a combined system rotational moment of inertia including the generator rotational moment of inertia and the synchronous condenser rotational moment of inertia, wherein the system rotational moment of inertia resists deviation of the system angular velocity.

Provided is a power transmission device that can be implemented at low cost. The power transmission device includes a flexible plate and a driving plate. The flexible plate is configured to receive torque from a prime mover. The driving plate is configured to rotate integrally with the flexible plate. The flexible plate has a protrusion that protrudes in an axial direction toward the driving plate. The driving plate is annular. An inner peripheral end of the driving plate is disposed radially inward of the protrusion. The driving plate has a plate thickness that is thicker than a plate thickness of the flexible plate.

The application discloses a work machine and a motion control method, device and medium of an actuator thereof, and relates to the technical field of work machines. The method comprises: obtaining a function relationship between a control parameter of an actuator and a motion speed, which is adaptive to different prime mover speeds and different loads; and controlling the motion of the actuator based on the function relationship. The embodiment of the application firstly obtains a function relationship between a control parameter of an actuator and a motion speed, which is adaptive to different prime mover speeds and different loads, and then utilizes the function relationship to control the motion of the actuator, so that the corresponding control process is simple and easy to implement, and can adapt to the full working conditions corresponding to different prime mover speeds and different loads.

The utility model provides a thermo-acoustic power generation system which can reliably form a temperature gradient at a heat accumulator so as to improve the stability of thermo-acoustic power generation. The thermo-acoustic power generation system includes: a linear generator having a piston that vibrates within a cylinder to convert acoustic energy into electrical energy; an annular tube connected to the linear generator through the resonance tube; the prime motor is arranged in the annular pipe and comprises a cooler, a heat accumulator and a heater which are sequentially arranged, the cooler serves as a low-temperature side heat exchanger, the heater serves as a high-temperature side heat exchanger, and the heat accumulator forms a temperature gradient to generate thermo-acoustic self-excited vibration; the low-temperature side heat exchanger exchanges heat with first cooling water from the engine through a first cooling water loop, the low-temperature side heat exchanger can exchange heat with second cooling water through a second cooling water loop, and the second cooling water loop is independent of the first cooling water loop; the second cooling water is supplied to the low-temperature-side heat exchanger through the passage switching valve.

This technology provides a way to reduce the range of change in the actuator's natural frequency when adjusting the output compliance of the actuator. [Solution] An actuator comprising a prime mover 12, a transmission 14 that receives the rotation output from the prime mover 12, changes the speed of that rotation and outputs it to drive a driven device 18, and can change the gear ratio, which is the ratio of the output rotation speed to the input rotation speed, and an input-side elastic element 32 provided on a power transmission path 30 from the output shaft 20 of the prime mover 12 to the input shaft 22 of the transmission 14.

A vehicle system includes a powertrain system including one or more electrical loads and prime mover configured to drive one or mechanical loads. A power converter is configured to power the one or more electrical loads via a main output and an auxiliary output The power converter includes a rectifier configured to power the main output and including a plurality of switching devices, an inductive-capacitive network operatively coupled with the plurality of switching devices and configured recover energy of electrical transients result resulting from operation of the plurality of switching devices, and a capacitive reservoir configured to store energy recovered by the inductive-capacitive network and power a DC / DC converter with said energy, the DC / DC converter being operatively coupled with the auxiliary output.

The present application relates to a transmission for a vehicle, in particular a transmission (200) for a vehicle providing at least four gear ratios, the transmission comprising:-an input member (201) drivingly connected to a prime mover (10), such as an electric motor; -a planetary gear system (210) comprising a first sun gear (211), a second sun gear (212), a single ring gear (213) and a single planet carrier (214) carrying a first set of planet gears (215) in meshing engagement with the first sun gear and a second set of planet gears (216) in meshing engagement with the second sun gear, wherein the ring gear is selectively engageable with one of the input member and a stationary member (220) of the transmission, and wherein both the first sun gear and the second sun gear are selectively engageable with the input member, and wherein at least one of the first sun gear and the second sun gear is selectively engageable with the fixed member.

To save energy by suppressing power loss and excessive fuel consumption in a power generation system having a generator driven by a prime mover which is not dedicated to power generation.SOLUTION: The power generation system includes a shaft generator 2 driven by a main engine 1, a bus 5, a frequency conversion path 15 that connects the shaft generator 2 and the bus 5 via a frequency converter 14, a bypass path 16 that is provided in parallel with the frequency conversion path 15 and connects the shaft generator 2 and the bus 5 not via the frequency converter, and a switching unit 17 that switches between a state in which the shaft generator 2 and the bus 5 are connected via the bypass path 16 and a state in which the shaft generator 2 and the bus 5 are connected via the frequency conversion path 15 according to the rotational speed of the shaft generator 2.SELECTED DRAWING: Figure 1

This design pertains to a robotic mining prime mover; its overall form is a low-profile, rectangular tracked chassis; key features include two parallel, continuous tracks for mobility and a flat top surface on the main body with multiple rectangular panels; the front of the vehicle is equipped with two symmetrical, forward-projecting hydraulic attachment arms; a panel with numerous hydraulic connection points is situated centrally between these arms.

Disclosed herein is a modular fixture alignment unit including a dock fixture configured to accommodate a plurality of electrical energy storage devices, and an aligner assembly designed to align the dock fixture within the reach of a battery handling system of a charging and interchange station. The dock fixture comprises a central platform supported by multiple mounting columns that are mounted on the aligner assembly. An upper platform is mounted on the central platform and supported by several support columns. A lower platform is located beneath the central platform, supported by support columns. Berths are formed above each of the platforms for accommodating energy storage devices. Also disclosed is an aligner assembly comprising a X-platform and a Y-platform, each of which are linearly displaced by respective rack-and-pinion units driven by a prime mover, and a Z-platform with a lift.

To provide a control means which does not add a vibration sensor, does not limit the kind of a prime mover, automatically detects an abnormal vibration state generated in a machine body by the defect or the like of a cutting blade, and stops the cutting blade.SOLUTION: In a radio-controlled mower including a reaping device (4) provided with a rotary blade (3) on a front-rear central belly portion (2) of a machine body (1), a motor (5) for rotationally driving the rotary blade (3), a reaping blade clutch (6) capable of turning on and off transmission to the rotary blade (3), and an acceleration sensor (7) for detecting front-rear and left-right inclinations of the machine body (1), control is performed to stop rotation of the rotary blade (3) when the acceleration sensor (7) detects an abnormal vibration state of the machine body (1).SELECTED DRAWING: Figure 9

A motion control system for a vehicle includes one or more controllers. The one or more controllers include one or more processors that execute instructions to receive a current longitudinal vehicle velocity and an autonomous acceleration command, determine a predicted longitudinal velocity of the vehicle based on the current longitudinal vehicle velocity and the autonomous acceleration command, and determine a predicted lateral acceleration of the vehicle based on the predicted longitudinal velocity of the vehicle and determine an allowed longitudinal acceleration of the vehicle based on the predicted lateral acceleration of the vehicle and the current longitudinal vehicle velocity. The one or more controllers determine a longitudinal acceleration command based on the allowed longitudinal acceleration and the current longitudinal vehicle velocity and instruct the prime mover of the vehicle to limit the speed of the vehicle based on the longitudinal acceleration command.

A first fracturing pump is selectively engaged or disengaged a from an electric prime mover based on operation of a first lever by a user. The first lever, the electric prime mover, and the first fracturing pump are mounted on a mobile transport. A second fracturing pump is selectively engaged or disengaged a from the electric prime mover based on operation of a second lever by the user. The second lever is also mounted on the mobile transport. The electric prime mover is operable to drive one of the first and second fracturing pumps that is engaged with the electric prime mover while not driving the other of the first and second fracturing pumps that is disengaged from the electric prime mover by operation of a corresponding one of the first and second levers.

The new energy prime mover equipment manufacturing tool comprises a device body, an operation groove is formed in the middle of the device body, a mounting top plate is fixedly connected to one side of the top end of the operation groove, a forward and reverse motor is fixedly mounted in the middle of the back face of the mounting top plate, and the output end of the forward and reverse motor is fixedly connected with a rotating shaft; one end of the rotating shaft penetrates through the mounting top plate to be fixedly connected with a rotating disc and a transverse conical wheel in sequence, the top end of the side, close to the transverse conical wheel, of the rotating disc is fixedly connected with a mounting square plate, and the middle of the mounting square plate is fixedly connected with a vertical square cylinder; according to the new energy prime mover equipment manufacturing tool, a user conducts adjustment according to prime mover equipment needing to be polished, operation is easy and convenient, when the new energy prime mover equipment manufacturing tool is used, the prime mover equipment can be conveniently clamped, and limitation is reduced when the new energy prime mover equipment manufacturing tool is used.