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INVENTION
Russian Federation Patent RU2095595
Svobodnoporshnevogo internal combustion engine
Name of applicant: Tsybulnik Sergei
Name of the inventor: Tsybulnik Sergei
The name of the patentee: Tsybulnik Sergei
Address for correspondence:
Starting date of the patent: 1994.03.22
Use: stationary, mobile power plants and vehicles.
The inventive free-piston engine is supplemented by a spring so that the moving part of the engine to form a spring mechanical resonance system. the spring constant is chosen such that the combustion speed of the fuel mixture was optimal.
DESCRIPTION OF THE INVENTION
The invention relates to mechanical engineering and can be used in both stationary and mobile units as drive vehicles, electric machines, compressors and other machines.
There are free-piston internal combustion engines to drive compressors AS USSR N 1740726 AI-Hydraulic Power AS USSR N 1740726 AI, with the possibility of adjusting performance [1] All of them have motor and pump units, start the device. The closest to the proposed device is [1], consisting of the motor power unit with coaxial cylinders and pistons connected overall rod and disposed in parallel with the compressor pump unit and plunger cavities associated motor yoke and rod pistons. The pump unit is movable in the guide to change the performance by changing the ratio of the rocker arms. Starting is via a crank mechanism.
The disadvantages of these devices include relatively complicated start, cumbersome regulatory system performance and relatively low efficiency.
The invention aims at improving efficiency, and simplifying the system startup performance regulating pump unit.
This object is achieved in that the free-piston engine provided with a spring cooperating with a rod piston motor unit, forming a mechanical resonance system, the frequency of which is chosen from the condition of the most advantageous combustion process in the cylinder and the pump unit capacity control is performed by the movable accommodation hinged rocker support in guides perpendicular to the axes of the motor and pump units. The presence of resonance and the most favorable conditions of fuel combustion to achieve maximum efficiency, and the presence of zero-speed mobile system in the extreme points of the stroke allows the introduction of a mechanism for its fixing at the time preceding the tact "compression", that's when the spring is stored the maximum energy, which is enough for reliable engine startup. The introduction of regulation of the pump unit performance by placing the mobile rolling rocker arm support allows you to get good traction / cm. FIG. 2 /, which is especially important for vehicles.
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FIG. 1 schematically depicts a proposed free-piston internal combustion engine resonance with the pump unit; Figure 2 - adjusting the performance characteristics of the pump according to the position of the rocker bearing in comparison with the characteristic obtained by the device according to [1]
A resonant free-piston internal combustion engine with a motor pump unit comprises a unit 1 with two coaxial cylinders and the power piston 3, connected to a common piston rod 4, which is connected with the spring 5 and the rod 6. The unit is placed in parallel to motor pump unit 7 with 8 cylinders, pistons 9 common to them and the rod 10 which connects with a connecting rod 11. The rocker 12 and connects the motor pump units by means of rods 6 and the pump 11. The adjustment is made by moving the movable support 13 in the guides 14. for the initial driving motor provided in the initial state manual or electric drive power is relatively small. This drive shaft 4 is in the top position and secured fixation device 15.
PROPOSED ENGINE RUNNING AS FOLLOWS
The rod 4 is in the start position and the fixing device 15, the slider 13 is moved to the minimum pump capacity. Next is the start of the engine by removing the rod 4 out of engagement with the locking device 15. The adjustment performance is produced by moving the slider 13 along the guide rails 14.
CLAIM
Svobodnoporshnevogo internal combustion engine comprising a motor block with a coaxial power cylinders and pistons associated common rod, a pump unit configured similarly to motor and arranged parallel thereto, placed on the hinge support yoke whose arms are kinematically connected with rods of pistons motor and pump units, respectively, the mechanism stepless pump unit capacity control, characterized in that it is provided with a spring cooperating with a rod piston motor unit and forming with them a resonance system, and the mechanism stepless pump unit performance is made by rolling the placement of the hinge bearing rocker in guides perpendicular axes of motor and pump units.
print version
Publication date 30.12.2006gg
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