359 results about "Energy regeneration" patented technology

A railroad vehicle (1500) for carrying freight is described. The railroad vehicle (1500) comprises power regeneration capability through a traction motor (1530) linked to a driving wheel (1520D), an electrical energy storage system (1550), a controller (1570) that may selectively operate the traction motor (1530) in a motoring mode, a coasting mode, or a dynamic braking mode. In the dynamic braking mode electrical energy from the traction motor (1530) is transmitted to the electrical energy storage system (1550). The controller (1570) is in communication with a communication link (1580) that receives control commands from an external control source (1595), and those control commands indicate the operating mode for a particular period of time.

A self-powered railroad system (1700), in one embodiment, comprises a locomotive (1710), a control source (1715), and a plurality of load units (1720A-K and 1730A-G), some of which are railroad vehicles (1720A-K) comprising the components of railroad vehicle (1500) that provide for selective operation in a motoring mode, a coasting mode, or a dynamic braking mode. The self-powered railroad system may also comprise a control source and at least one railroad vehicle controlled by the control source, such as for coupling, uncoupling, and moving to or from a loading dock.

In order to provide a construction machine by which energy regeneration can be performed reliably and battery and electrical power generator can be miniaturized, a construction machine has an engine, a hydraulic pump driven by the engine, and an actuator driven by discharge oil from the hydraulic pump, and a regenerative motor which rotates by return oil from the actuator is connected to the rotation shaft of the hydraulic pump. The hydraulic pump is driven by the engine and the regenerative motor when drive torque necessary in the hydraulic pump is larger than output torque generated by operation of the regenerative motor. Meanwhile, the hydraulic pump is driven by the regenerative motor when the drive torque of the hydraulic pump is smaller than output torque of the regenerative motor, and an electrical power generator connected to the rotation shaft of the hydraulic pump is operated to generate electricity by excess torque which has not been energy-regenerated in the hydraulic pump so that this generated electrical power is charged in a battery.

A fluid drive system that can be used to drive a vehicle and has energy regeneration and storage capabilities. The fluid drive system includes an electrical energy supply source mounted on the vehicle, at least one electrical motor electrically connected to the electrical supply source, and a hydraulic pump driven that may be of the variable displacement type by the electrical motor. The fluid drive system may also include a low pressure hydraulic fluid supply tank supplying fluid to the hydraulic pump, at least one pneumatically charged accumulator tank for storing pressurized hydraulic fluid, a combination hydraulic motor and pump that may also be of the variable displacement type being alternately driven by the hydraulic pump and the pneumatically charged accumulator tank; and an electrical regeneration system for regenerating the electrical energy supply. The electrical regeneration system may be powered by hydraulic fluid from the combination electrical motor and pump. The combination hydraulic motor and pump propels the vehicle during acceleration and speed maintaining operations and may also serves as a braking mechanism during deceleration of the vehicle. The combination hydraulic motor and pump may also pump hydraulic fluid into the pneumatically charged accumulator tank during at least a portion of the time that the vehicle is decelerating. The combination hydraulic motor and pump may further pump hydraulic fluid for powering the electrical regeneration system when the pneumatically charged accumulator tank is fully pressurized. The electrical regeneration system also has the ability to recharge the electrical energy supply while the vehicle is stopped using stored recovered kinetic energy.

The invention provides a vehicle brake energy regeneration control method and system; the system comprises a hydraulic energy accumulator, a variable pump / motor, an electromagnetic clutch, a brake pedal switch, an acceleration pedal switch, a gear switch, a road slope sensor, a speed sensor, a pressure sensor of the energy accumulator, a hydraulic control unit and an electric control unit; the system automatically identifies the acceleration or brake intention of a driver, automatically detects the running state of the vehicle and the road slope situation, calculates the control current I1 of the proportional electric magnet of the variable pump / motor on different downgrade road slopes or horizontal roads and at different speeds by adopting the formula (I), calculates the control current I2 of the proportional electric magnet of the variable pump / motor on different upgrade road slopes or horizontal roads and at different speeds by adopting the formula (II) and carries out brake energy releasing circulation control, so as to control the running stability of the vehicle and improve the recovery rate as well as the regeneration rate of the brake energy.

A hybrid vehicle comprises an engine 2, a motor generator 4, a torque converter 6 with a lock-up clutch 5, and a ratio-change mechanism 7. A control system for the hybrid vehicle comprises a rotational sensor 22, which detects the slip ratio of the torque converter, and a hydraulic control valve 12, which controls the engagement of the lock-up clutch. While the vehicle is moving along with the accelerator pedal being released from its stepped down condition, a driving force from the wheels is transmitted to the motor generator 4 for energy regeneration. If the slip ratio of the torque converter is equal to or smaller than a first threshold value, then only the lock-up clutch is controlled into engagement. However, if the slip ratio is between the first threshold value and a second threshold value, then additionally the motor generator is controlled in cooperative operation.

The invention discloses a real-time control device and a real-time control method for a motion direction of an electromagnetic energy-regeneration semi-active suspension of a vehicle. A bi-directional controllable double ratchet mechanism composed of a first ratchet mechanism and a second ratchet mechanism which are jointly arranged on an input shaft of an energy-regeneration motor rotor is arranged between an energy-regeneration motor and a nut-ball screw mechanism. The first ratchet mechanism and the second ratchet mechanism respectively comprise a ratchet, a pawl, a pawl rotating shaft, a tensioning spring and an electromagnet. The electromagnets are electrically connected with a control unit, and the rotating directions of the two ratchets combined with the pawls are opposite. When the control unit inputs control signals to a first electromagnet and a second electromagnet of the first ratchet mechanism and the second ratchet mechanism, the input shaft of the energy-regeneration motor rotor can only rotate anticlockwise or clockwise, and the suspension can only be stretched or compressed. When the control unit does not input control signals to the first electromagnet or the second electromagnet, the suspension can only be stretched and compressed. When the vehicle is subjected to a large inertial force, by real-time control of the motion direction of the related suspension, pitching and side tipping of the vehicle are reduced, and the running safety of the vehicle is improved.

An automotive internal combustion engine control system transmits the output of a starting motor capable of operating as a generator to an internal combustion engine in starting the internal combustion engine, and transmits the output of the internal combustion engine to accessories while the internal combustion engine is in operation. The automotive internal combustion engine control system includes a transmission mechanism that transmits the output of the starting motor to the accessories while the internal combustion engine is stopped for a predetermined condition, transmits the rotation of the drive shaft of the starting motor to the crankshaft of the internal combustion engine at a high first gear ratio in starting the internal combustion engine, and transmits the rotation of the crankshaft of the internal combustion engine to the drive shaft of the starting motor at a low second gear ratio while the internal combustion engine is in operation to operate the starting motor as a generator. The transmission mechanism enables driving the accessories by the starting motor while the internal combustion engine is stopped, smoothly starting the internal combustion engine and efficient energy regeneration while the internal combustion engine is in operation.

The invention discloses an independent electrohydraulic load sensing energy regeneration hydraulic system of an actuator port of an engineering machine. An oil outlet of a variable pump is connected with an oil inlet of a proportional relief valve, a first pressure sensor, an oil inlet of a first proportional directional valve, and an oil inlet of a second proportional directional valve respectively. An oil outlet of the first proportional directional valve is connected with a second pressure sensor, the oil inlet of a proportional throttle valve and a rodless cavity of a hydraulic cylinder respectively. An oil outlet of the second proportional directional valve is connected with an oil outlet of the proportional throttle valve, a third pressure sensor and a rod cavity of the hydraulic cylinder. A Controller is in electrical connection with a control handle, the variable pump, the proportional relief valve, two proportional directional valves, the proportional throttle valve and three pressure sensors. The system adopts the pressure sensors to detect working conditions, selects control policies according to the working conditions, reduces energy loss in flow restriction and realizes overload energy regeneration under the control of an actuator. Speed and energy-conservation control is realized through the combination of pump control and valve control.

A fluid drive system that can be used to drive a vehicle and has energy regeneration and storage capabilities. The fluid drive system includes an electrical energy supply source mounted on the vehicle, at least one electrical motor electrically connected to the electrical supply source, and a hydraulic pump driven that may be of the variable displacement type by the electrical motor. The fluid drive system may also include a low pressure hydraulic fluid supply tank supplying fluid to the hydraulic pump, at least one pneumatically charged accumulator tank for storing pressurized hydraulic fluid, a combination hydraulic motor and pump that may also be of the variable displacement type being alternately driven by the hydraulic pump and the pneumatically charged accumulator tank; and an electrical regeneration system for regenerating the electrical energy supply. The electrical regeneration system may be powered by hydraulic fluid from the combination electrical motor and pump. The combination hydraulic motor and pump propels the vehicle during acceleration and speed maintaining operations and may also serves as a braking mechanism during deceleration of the vehicle. The combination hydraulic motor and pump may also pump hydraulic fluid into the pneumatically charged accumulator tank during at least a portion of the time that the vehicle is decelerating. The combination hydraulic motor and pump may further pump hydraulic fluid for powering the electrical regeneration system when the pneumatically charged accumulator tank is fully pressurized. The electrical regeneration system also has the ability to recharge the electrical energy supply while the vehicle is stopped using stored recovered kinetic energy.

The invention discloses a mixing power energy regeneration brake and control method, which includes the determination of feasible conditions of the whole vehicle energy source recovery, determination of the energy source recovery stage, the calculation of the electric brake force when the energy source is recovered, the distribution of the brake force between the mechanical brake and the electric brake, and the system safety protection control of the energy source recovery of the mixing power vehicle. The invention also discloses an energy source regeneration brake system implementing the mixing power energy source regeneration brake control method; the system includes a 144V high-voltage nickel-hydrogen power battery, a 1.3-litre gas engine, a mixing power whole vehicle control unit, a battery control unit, a motor, a brake system controller and a 5-speed AMT gearbox. The secondary control optimization of the energy source recovery for the whole vehicle system with the energy source recovery control scheme ensures the recovery of the whole vehicle energy source to be more reasonable and efficient.

A method and apparatus to improve regeneration efficiency when regenerating the energy of discharge fluid from a fluid pressure actuator as electrical energy. In a flow rate control line 15, which finctions as a discharge flow path for oil discharged from a head side oil chamber 1c of a hydraulic cylinder 1, is provided a displacement variable regenerating hydraulic motor 20, where controlling the displacement of the regenerating hydraulic motor 20 allows the flow rate of discharge oil from the hydraulic cylinder head side oil chamber 1c to be controlled. A generator 21, which generates electric power due to the rotation of the regenerating hydraulic motor 20, is further provided.

The invention relates to a manufacturing technique for energy regeneration and non-waste comprehensive utilization of municipal domestic waste, which is characterized by comprising the steps of waste classification, pretreatment and treatment of nonmetallic inorganic substances, schizolysis, filtration and reforming of organic substances, synthesis of fuel oil and treatment of organic substance byproducts. The manufacturing technique completely treats waste, has no secondary pollution during the whole treatment, and really realizes complete conversion and utilization of the waste. When the technology is used for treating organic substance waste and so on, including organic substance parts of the municipal domestic waste and various animal and plant waste, not only the environmental problem caused by the municipal domestic waste and the waste problem of the waste can be solved but also energy and slow release fertilizer which returns to earth can be efficiently generated, so that green circulation of renewable energy resources is realized. The applied proposal has reasonable energy consumption in the whole process, has no pollution, has controllable products, high output value and stable and reliable sources of raw materials, and realizes sustainable development.

A working machine where a boom control circuit (45) for controlling operation fluid to a boom cylinder (8bmc) is provided independently of and separately from a traveling / stick / bucket control circuit (25a) for controlling operation fluid to traveling motors (2trL, 2trR), a stick cylinder (8stc), and a bucket cylinder (8bkc). In the boom control circuit (45), there is a pump (84) for a boom, an energy recovery motor (86) is provided in one return path (56) where return fluid from the boom cylinder (8bmc) flows, a motor / generator (87) for the boom is connected to the energy recovery motor (86), and the pump (84) for the boom is connected to the motor / generator (87) through a clutch (88). Since the boom control circuit (45) is independent, a flow rate required by the boom control circuit (45) can be easily obtained.

The invention discloses an automobile energy renewable vibration absorber, comprising an upper working cylinder and a lower working cylinder, wherein the lower working cylinder is connected into the upper working cylinder in a sliding mode; a energy renewable motor and a transmission mechanism are arranged in the upper working cylinder; and a motion transformation mechanism is arranged in the lower working cylinder. The motion transformation mechanism is a ball screw rod pair, transfers linear motion caused by the vibration of automobile wheels to rotary motion and transfers up and down motion to unidirectional rotary motion through overrunning clutchs with mutual opposite clutch directions in the transmission mechanism, and energy is transferred to electric power for use by the energy renewable motor.

The invention is concerned with integrated controller of vehicle regenerative braking and routine braking based ABC. Motor braking joins the ABC braking system and the braking motor takes part in the ABC braking. The integrated controller gathers the energy regenerative braking and routine ABC braking. The controller confirms the braking requirement on the signal of braking footplate and speed state of vehicle, and confirms the biggest regenerative braking moment on the state of energy storage equipment and the power of motor. When the braking ability of motor reaches to the requirement of braking former axis, the motor can finish the brake of the former axis, and works out the braking power of back axis according to braking power distributing curve and realizes by routine braking system. When the requirement of former axis braking is bigger than the braking ability of motor, the routine braking and motor braking work together to realize the correspond of regenerative braking and ABC braking system of hydraulic pressure. It enhances the callback ratio of braking energy and the responding speed is quick for using motor braking to control the ABC control of vehicle.

The present invention relates to an engine hydraulic parallel series rear wheel drive hybrid vehicle, including a power transmission system for conventional vehicle, an electric control unit and a hydraulic auxiliary power transmission system, that is, braking energy regeneration auxiliary system and idling energy control system. A brake pedal and an accelerator pedal are connected with the hydraulic auxiliary power transmission system through the electronic control unit. The electronic control unit functions to realize harmonious control between the power transmission system and the hydraulic auxiliary transmission system. The electronic control unit receives electric signals given by the brake pedal, the accelerator pedal, the engine and the gear-box. After control strategic operation, the electronic control unit outputs an instruction signal of the auxiliary hydraulic power transmission system. The present invention can realize the recovering and releasing of hydraulic braking energy, utilizing of idling energy, and idling and shutting down of engine. The present invention has the advantages of higher efficiency of kinetic energy conversion, smaller noise, longer lifetime of engine, gas-saving, simpler structure and lower cost. The present invention is applicable to the reconfiguration of existing vehicle.

The invention relates to a treating method for energy regeneration, resource recovery and pollution free of restaurant garbage, which comprises the steps that separated liquid material is pumped into a swage concentrating pool; then the concentrated liquid material is discharged into a regulating and pretreating pool, in which methane bacteria are inoculated; the pretreated liquid material is discharged into an anaerobic fermentation pool, in which anaerobic bacteria groups are added so that methane gas is generated and the overflowing liquid material from the anaerobic fermentation pool is led to enter an aerobic aerated pool for aerobic reaction; the liquid material after the aerobic reaction is discharged into a sedimentation tank for sedimentation. In the comprehensive utilization of 'swill', the disposing method of the invention carries out anaerobic fermentation and aerobic aerated biochemical treatment to transform part of the energy in the swill into bio-energy which is then transformed into heat energy and finally into electrical energy that is connected with power grid for use. The separated solid material is smashed, dried, sterilized, dehydrated and then added with Chinese herbal medicine to be processed into Chinese herbal medicine compound feeds and fertilizers; meanwhile, the treatment of energy regeneration, resource recovery and pollution free of restaurant garbage for restaurant garbage is realized.

An energy regeneration device of a drive-by-wire braking system comprises a gearbox, an oil tank, an electromagnetic clutch, a hydraulic oil pump / motor, an electromagnetic distributing valve, a first electromagnetic reversing valve, a high-pressure energy accumulator, a second electromagnetic reversing valve and a low-pressure energy accumulator. A hydraulic brake is additionally arranged on a brake disc of each wheel, and an increasing gear mechanism is additionally mounted on an output shaft of the gearbox. By the aid of a method for accumulating and releasing braking energy, accumulated energy of the high-pressure energy accumulator can be released when an automobile starts and accelerates, a starting performance and an acceleration performance of the automobile are improved, accumulated energy in the low-pressure energy accumulator can also be directly applied to the wheels during braking and used with a braking motor of the drive-by-wire braking system to realize braking of the automobile, and braking energy recycle efficiency is improved. When the drive-by-wire braking system fails and cannot work normally, the device can be used as an emergency braking system, and the accumulated energy in the energy accumulators is used for realizing parking braking of the automobile. The energy regeneration device is particularly suitable for pure electric automobiles.

The invention discloses a smart energy network system and a control method thereof. The system comprises one or more regional energy network units. The regional energy network unit comprises an energy generation subsystem, an energy storage subsystem, an energy application subsystem and an energy regeneration subsystem, and further comprises a subsystem energy efficiency controller and an energy efficiency matching station, wherein the subsystem energy efficiency controller is connected with the energy generation subsystem, the energy storage subsystem, the energy application subsystem and the energy regeneration subsystem respectively; and the energy efficiency matching station is connected with the energy generation subsystem, the energy storage subsystem, the energy application subsystem and the energy regeneration subsystem by an energy network and an information network, and is used for acquiring the energy information of the regional energy network units by the information network, and scheduling the energy production, transfer, storage and conversion in the regional energy network units according to the energy information by the subsystem energy efficiency controller.

The invention provides a multilevel-control free-polyradical biomass-gasification energy regeneration system, which can transform extensive biomass and carbon-containing raw materials, including energy crops, agriculture-forestry byproducts, organic waste, industrial and dangerous waste and the like, into high-grade energy. The system is designed for continuous operation. Gasification comprises the following steps of performing pretreatment, performing pyrolysis, transforming carbon, fusing ash, cracking tar, reforming syngas and utilizing waste heat, wherein the steps are precisely controlled one by one and integrated so as to achieve optimum; moisture from the pretreatment of the materials is led into a carbon-transforming unit so as to realize oxygen-free pyrolysis; gasification gas is in contact with a large number of free polyradicals in a free-polyradical reaction-accelerating unit; and the obtained product is purified and then enters downstream application, such as power generation, hydrogen production and biomass methanol / ethanol production. The system has the advantages of needing no auxiliary fuel, maximizing gasification efficiency and thoroughly cracking tar and clearing pollutants, and is an upstream technique for the application of biomass renewable energy. As energy utilization meets all strict environmental protection standards, the system is also an energy-saving environment-friendly technique for non-incineration harmless treatment.

The present invention discloses an auxiliary energy regeneration power system for electric automobile, and the auxiliary energy regeneration power system is increased on the basis of available main power supply. The main power supply provides energy source for the motor to run and the auxiliary power system provides energy source for the auxiliary equipment in the voltage selected based on that of the auxiliary equipment. On the basis of feedback of the main power supply, one more control signal is increased for the control of the auxiliary power system so that the microprocessor can control the main power supply and the auxiliary power system simultaneously. The auxiliary equipment is powered directly without DC / DC voltage step-down. Because of the relatively small power consumption of the auxiliary equipment, the regeneration brake is utilized for charging the auxiliary power system without additional charger is provided.

The invention relates to a production process for producing biomass based natural gas, lignose and microcrystalline cellulose by utilizing bamboo-curing waste, which solves the problem that the bamboo-curing waste is utilized economically and effectively. The production process comprises the following steps: performing steam exploded pretreatment to the bamboo-curing waste, lixiviating and separating the steam exploded materials by water, producing marsh by the anaerobic fermentation of liquid phase materials, obtaining bamboo cellulose filter residue and black liquid by the alkali treatment of solid phase materials, separating the black liquid from the lignose, and obtaining the microcrystalline cellulose by the acid hydrolysis of the bamboo cellulose filter residue. The production process has high transition heat energy and can realize energy regeneration of the marsh; the joint lignose and microcrystalline cellulose realizes the energy regeneration utilization of the waste. The production process belongs to a closed circulating system which has high economic benefit and environment-protection without pollution.

The invention relates to a municipal solid waste reduction, energy regeneration and recycling method, and discloses a domestic waste comprehensive treatment method based on anaerobic digestion and hydrothermal carbonization. The domestic waste comprehensive treatment method comprises the following steps: slurry treatment, anaerobic digestion, hydrothermal carbonization, dewatering and drying. The domestic waste and kitchen waste are subjected to reduction, energy regeneration and recycling treatment, so that the domestic waste comprehensive treatment method is high in resource recycling degree, low in operation cost, clean and environment-friendly, and can ensure that pathogenic microorganisms in the wastes are completely killed, so that repugnant substances are converted and decomposed, and the domestic waste comprehensive treatment method has good economic value and social value.

The invention provides a new-type efficient biological energy regeneration system (BES) for an in-vitro biological reaction system, a kit and a preparation method. The biological energy regeneration system can be applied for energy supply of in-vitro biosynthesis, and applied to a cell-free in-vitro biological reaction system. Cost of the in-vitro biosynthesis is saved, and capacity of in-vitro cell-free biosynthesis is improved.

The invention discloses an energy-regeneration type converter power test system and method. The system comprises a power grid, an isolation transformer, a first smoothing reactor, a second smoothing reactor and a tested converter. The tested converter comprises a first PWM converter, a second PWM converter and a direct current bus capacitor, wherein the first PWM converter and the second PWM converter transmit active power under the buffer effect of a direct current bus capacitor. The first PWM converter imitates load characteristics of the system. The second PWM converter achieves system energy regeneration, unit power factor inversion is achieved by controlling the output currents of the second PWM converter and the voltages of the power grid to be identical in frequency and phase, and the active power balance between the input and the output of the tested converter is achieved by controlling the direct current voltages between the first PWM converter and the second PWM converter to be constant. The energy-regeneration type converter power test system and method can effectively ensure test quality, improve test efficiency, improve the equipment utilization rate, save equipment cost, save energy, reduce emission, simplify operation entry barriers and eradicate potential safety hazards.

The invention provides an efficient way of cooling of the microelectronic devices and converting the heat back into the electrical power. With addition of the ambient-air heat exchanger the system generates enough power to completely satisfy the demand of the microelectronic device and replace the electric battery with the cryogenic storage vessel.

There discloses a ubiquitous energy network for optimum utilization of energy, which includes nodes connected by an interconnected network architecture of virtual pipelines transferring a ubiquitous energy flow, with the ubiquitous energy flow being transferred among the nodes bi-directionally. The node includes a system energy efficiency controller, and at least one of other nodes, an energy generation device, an energy storage device, an energy utilization device, and an energy regeneration device connected to the controller. The controller controls the input and output of the ubiquitous energy flow of the at least one of the other nodes, the energy generation device, the energy storage device, the energy utilization device, the energy regeneration device. Furthermore, the node, an access terminal, a virtual tag, and the virtual pipeline of the ubiquitous energy network, and a server and method for providing energy transaction and service by the ubiquitous energy network are disclosed.