30 results about "Free-piston linear generator" patented technology

The invention relates to a hydraulic high-speed free piston linear generator and belongs to the field of energy power. The hydraulic high-speed free piston linear generator mainly comprises a free piston internal combustion engine, a hydraulic transmission mechanism and a linear generator, wherein the hydraulic transmission mechanism comprises a first hydraulic piston, a first hydraulic cavity, afirst hydraulic pump, a high-pressure oil pipe, a second hydraulic cavity, a second hydraulic piston and a second hydraulic pump; the connection relation in the hydraulic transmission mechanism is that: the first hydraulic piston is arranged in the first hydraulic pump, the second hydraulic piston is arranged in the second hydraulic pump, and the first hydraulic pump is communicated with the second hydraulic pump through the high-pressure oil pipe, so that the hydraulic transmission mechanism is formed; two free pistons of the internal combustion engine and the first hydraulic piston form a piston component through connecting rods; and an active cell of the linear generator is connected with the second hydraulic piston through another connecting rod. By adopting the hydraulic transmissionmechanism, the cutting speed of a motor active cell is increased and the working efficiency is improved; and the speed of the motor active cell is n times higher than the motion speed of the piston.

The invention discloses a single-cylinder opposed double-piston free-piston linear generator and a double-piston free-piston linear generator, including a generator, two sets of two-stroke engines, a first auxiliary motor, a second auxiliary motor, a first auxiliary motor, and a second auxiliary motor Symmetrically arranged on both sides of the generator axis, the auxiliary motor 1 and the auxiliary motor 2 are connected to the generator, the auxiliary motor 1 and the auxiliary motor 2 are connected to the two-stroke engine, and the two-stroke engine includes a cylinder block, a cylinder head, a spark plug, and a fuel injector , piston, crankcase kit, connecting rod, auxiliary motor 1, auxiliary motor 2 are set coaxially with the generator, the generator is connected with auxiliary motor 1 and auxiliary motor 2, the stator of the generator is connected with the auxiliary motor 1 stator, and the auxiliary motor 2 stator is the most A predetermined axial distance is respectively set between two adjacent windings. The invention solves the problem of long response time for the switching of the working mode of the motor, ensures that the piston reaches the designated position smoothly, and enables the free-piston linear generator to run stably.

The invention discloses a quasi-free piston linear generator set, which solves the problems that the existing power free piston engine has complex structure and unreliable work, etc. The invention hasthe advantages of simple structure, convenient application, good reliability of work, etc. The structure of the invention comprises at least a generation unit and a corresponding fuel supply and airinlet and exhaust system; the generation unit is a linkage generation unit which is formed by a group of a cylinder and a piston which are matched with each other and correspondingly motion linearly;the rotor of the generator is connected with the motion part of the linkage generation unit; the stator and the winding of the generator are connected with the fixed part of the linkage generation unit; meanwhile, the motion end point of the linkage generation unit is provided with a retaining part which is used for restraining the stroke of the motion part; the stator and the winding of the generator can be taken as the output terminal of the power.

The invention discloses a power improvement device of a free piston linear generator. The power improvement device of the free piston linear generator comprises a power part. The power part comprisesan air cylinder body, a cylinder cover, a spark plug, an oil injector, a piston and a piston rod. The spark plug is installed on the cylinder cover, the oil injector is installed on the air cylinder body, the piston is arranged in the air cylinder body, and the piston rod is connected to the piston. The power improvement device of the free piston linear generator further comprises a stator part and a rotor part. The stator part comprises a generator stator. The rotor part comprises a generator rotor, a rotor mandrel and springs. The generator rotor cooperates with the generator stator, and therotor mandrel is connected with the generator rotor and connected with the piston rod. One end of each spring is connected with the generator stator, and the other end of each spring is connected with the piston rod. One end of each spring is connected to the generator stator, so that the position fixing is guaranteed; and the other end of each spring is connected with the piston rod, and stretches out and draws back along with the movement of the piston rod, so that the effect of energy storage is achieved. The rigidity of the corresponding springs is obtained through calculation and simulation, the springs which provide the corresponding frequencies can be obtained, and therefore the free piston linear generator can achieve the high frequency, and the advantage of the free piston lineargenerator can be fully achieved.

The invention relates to a dead point controlled free piston internal combustion linear generator, belonging to the field of energy power. The dead point controlled free piston internal combustion linear generator mainly comprises free piston internal combustion engines, linear generators, a disc control mechanism and a connecting rod; a connection relation among the components is as follows: the free piston internal combustion engines are sequentially connected with the linear generators to form free piston linear generators; two free piston linear generators are symmetrically arranged on a straight line passing through the circle center of a disc, and the disc is connected with an electromotor through a shaft; the disc is excavated with a motion trough-line in advance, and the trough-line is coincident with the curve shape of one motion cycle of a piston; an internal trough-line of the disc is in contact with and connected with the connecting rod of a free piston engine to play roles in free piston resetting and upper dead point controlling. The dead point controlled free piston internal combustion linear generator disclosed by the invention makes use of the disc control device, thereby achieving the purpose of controlling a dead point of the piston. The disc has high balancing property and good stability during working, and therefore synchronous operation of multiple cylinders can be realized.

Provided is a small sized light linear generator system having a two-stroke free piston engine, comprising a cylinder having an induction chamber and a combustion chamber, a motor rack arranged at one end of the cylinder, an outer stator fixed inside the motor rack, an inner stator fixed inside the motor rack and having a gap with the outer stator, a rotor carrying out straight reciprocating motion along the gap formed by the outer stator and the inner stator, a magnet installed upon the rotor, a plurality of helical compressing springs arranged inside the motor rack, used for supporting the reciprocating motion of the rotor, and leading to the resonance motion of the rotor, a piston arranged inside the cylinder, connected with rotor for carrying out reciprocating motion, and compressing the fuel and air inside the combustion chamber, a snifter valve arranged upon the cylinder and used for providing fuel and air for the interior of the induction chamber, an induction flow path communicating the induction chamber and the combustion chamber, and an exhaust port arranged upon the cylinder. With the above technical scheme, the free piston linear generator is likely to operate under resonance state, thereby improving the generating efficiency and output power.

The invention relates to a free piston linear generator based on waste heat utilization and belongs to the technical field of energy power. The free piston linear generator specifically comprises a free piston combustion engine, the linear generator and a waste gas expansion cylinder. The free piston combustion engine comprises an oil atomizer, a gas inlet, a gas outlet, a piston and a combustion engine cylinder. The linear generator comprises a motor stator and a motor rotor. A waste gas utilizing assembly comprises a gas guiding pipe, a gas inlet door, a gas outlet door, a reset piston, a reset cylinder and a water sprayer. A working process includes a starting process and a steady operation process. In a cold start-up process, a linear engine works in a motor mode and drives a device to be started and work. In the steady operation process, the linear generator works in a generator mode, the combustion engine works to drive the linear generator to do work and generate power, then a moving assembly returns to a top dead center through a waste gas waste heat utilization method, and next circulation movement is conducted. The free piston linear generator has the advantages of being capable of protecting environment and saving energy.

The invention discloses a double-winding free-piston linear generator and a control method thereof, comprising: a power component and a linear motor, and in the stator slot of the linear motor, a first winding and a second winding are arranged oppositely and symmetrically to form a double winding Linear Motor. The present invention arranges double windings on the stator of the linear motor, which will not increase the quality of the moving parts of the system, and therefore will not reduce the operating frequency of the system; at the same time, it can solve the problem of changing the direction of the drag force when the single-winding free-piston linear generator is started, and solve the problem of fire failure. The problem of the conversion time of the motor from power generation to electric work mode.

The invention relates to a free-piston linear generator lubricating oil additive and a preparation method thereof. Additives include metal detergents, ashless dispersants and phenolic ashless antioxidants. The preparation method is to weigh the metal detergent, the ashless dispersant and the phenolic ashless antioxidant in proportion, then mix them at a temperature of 70°C-90°C, and fully stir them for 2-3 hours until they are evenly stirred. The lubricating oil prepared by using this additive can meet the lubricating requirements of the free-piston linear generator under harsh conditions, and has the characteristics of low ash content, excellent piston cleaning performance and good lubricating performance.