Beta-type Stirling engine with three-crank crankshaft for magnetic driving
A technology of Stirling engine and magnetic transmission, which is applied in the direction of machines/engines, hot gas variable displacement engine devices, mechanical equipment, etc., can solve problems such as poor operating reliability, large friction loss, and difficult sealing, and achieve stability, Improve the working ability and reduce the effect of heat loss
Inactive Publication Date: 2015-07-29
HEFEI UNIV OF TECH
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Problems solved by technology
[0007] In order to overcome the shortcomings of the traditional Stirling engine, such as difficult sealing, complex structure, heavy machine, large friction loss and poor operation reliability, the present invention is the first to propose a β-type Stirling engine with a three-crank crankshaft magnetic transmission structure through improvement. Lin engine, through a reasonable engine structure design, can transmit the crankshaft rotation to the outside of the crankcase without contact, and can reduce heat shuttle loss and heat conduction loss, ensure smooth engine operation, greatly reduce friction loss, and improve engine thermal efficiency
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[0028] The present invention will be further described through the embodiments below in conjunction with the accompanying drawings.
[0029] see figure 1 , The β-type Stirling engine with three crankshaft crankshaft magnetic drive includes a heater 1, a cylinder block 21, a piston, a connecting rod mechanism, a crankshaft 12, a body 7, a magnetic drive 10 and a generator 11.
[0030] The upper part of the cylinder block 21 is a hot chamber 2, and the lower part is a cold chamber 18; the heater 1 is fixedly installed on the hot chamber 2, and a cooling jacket 6 is installed on the outside of the cold chamber 18. The cooling jacket 6 is cylindrical and tubular, and its outer cylindrical surface is finned. A regenerator 19 is installed on the inner wall of the cylinder block 21 between the heater 1 and the cooling jacket 6. The regenerator 19 is in the shape of a cylindrical tube. Gas channel is formed between the through groove of cloth and the inner wall of cylinder block 21,...
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The invention relates to a beta-type Stirling engine with a three-crank crankshaft for magnetic driving. The beta-type Stirling engine comprises a heater, an air cylinder body, pistons, a connecting rod mechanism, a crankshaft, a machine body, a magnetic driver and a power generator; a thermal mechanism consists of the heater, the air cylinder body, a thermal piston, a cold piston and a heat regenerator; the connecting rod mechanism comprises one thermal connecting rod and two cold connecting rods; the crankshaft is the three-crank crankshaft and is provided with three crank shaft necks and four crank discs; a full-closed magnetic driving power output mechanism consists of the machine body, the magnetic driver and the power generator. According to the beta-type Stirling engine disclosed by the invention, the structure is compact; all parts coordinately operate; the operation stability of the cold piston can be kept, and additional lateral forces of the pistons can be reduced; the motion of the thermal piston ahead of that of the cold piston by a crank angle of 90 degrees can be guaranteed, and effective power output is improved. By using the built-in grooved heat regenerator, the heat regeneration efficiency is improved; by using the full-closed magnetic driving power output mechanism, friction loss caused by dynamic sealing can be eliminated.
Description
technical field [0001] The invention belongs to the technical field of engines, and in particular relates to a Stirling engine. Background technique [0002] Automobiles have become an important part of modern society. While bringing convenience to human society, automobiles consume huge oil resources. The temperature of automobile exhaust is high, which has a high value of waste heat utilization. At present, the exhaust of automobiles at home and abroad is directly discharged into the atmosphere. There is a huge amount of automobiles in my country, and it is not only a huge waste of energy to directly discharge automobile exhaust into the atmosphere, but also cause serious environmental pollution. [0003] The Stirling engine is an external combustion closed cycle reciprocating piston heat engine. Its ideal thermodynamic cycle is called the Stirling cycle (that is, the generalized Carnot cycle). Under the same temperature conditions, its theoretical Highest efficiency. ...
Claims
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IPC IPC(8): F02G1/053F02G1/057
CPCF02G1/053F02G1/057
Inventor 左承基赵红玲黄巨锋栾铭湧温森特
Owner HEFEI UNIV OF TECH