Single-cylinder two-stroke water-cooled engine

A water-cooled engine, two-stroke technology, applied to engine components, machines/engines, cylinders, etc., can solve the problems of low speed, large volume, low power, etc.

Active Publication Date: 2015-01-21
贾素梅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] To sum up, the motors used for power surfboards or motorboats in the prior art have large mass, low speed, low power, complex structure, and large volume, which is not conducive to the development of power surfboards or motorboats in the direction of light weight and small volume.

Method used

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  • Single-cylinder two-stroke water-cooled engine
  • Single-cylinder two-stroke water-cooled engine
  • Single-cylinder two-stroke water-cooled engine

Examples

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Embodiment Construction

[0017] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0018] See attached Figures 1 to 3 , the single-cylinder two-stroke water-cooled engine in the figure includes a crankcase 704, a starter motor 708, a carburetor 710 and an engine cylinder 709; wherein: the other end of the crankshaft output end of the crankcase 704 is fixed with a one-way bearing 706. A reduction gear 707 is installed on the bearing 706, and the reduction gear 707 meshes with the driving gear on the output shaft of the starter motor 708;

[0019] The centerline of the carburetor 710 forms an included angle of 30° with the centerline of the crankcase 704, and the centerline of the engine cylinder 709 coincides with the centerline of the crankcase 704; the starter motor 708 is located between the carburetor 710 and the crankshaft the corner between boxes 704;

[0020] The carburetor 710 communicates with the air inlet of the crankcase 704 t...

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Abstract

The invention relates to an engine for a power surfboard or a motorboat, in particular to a single-cylinder two-stroke water-cooled engine. A one-way bearing is fixed to the other end of the crankshaft output end of a crankcase, a speed reduction gear is installed on the one-way bearing, and the speed reduction gear is meshed with a driving gear on the output shaft of a starting motor; an engine air cylinder and a carburetor are arranged on the portions, on the two sides of a crankshaft, of the crankcase, the carburetor is communicated with the air inlet of the crankcase through an air inlet pipe and an air inlet reed valve is arranged between the air inlet pipe and the air inlet of the crankcase; the crankcase and/or the shell of the engine air cylinder are/is provided with support installing holes connected with a fixing frame in an engine compartment, and the shell of the engine air cylinder is provided with a cooling water outlet, a cooling water inlet and an exhaust guide pipe which are all communicated with the inner cavity of the engine air cylinder. Because of the compact structure, the size of the engine is reduced, the total mass is reduced, the rotating speed is increased, and the output power is increased.

Description

technical field [0001] The invention relates to an engine for power surfboards or motorboats, in particular to a single-cylinder two-stroke water-cooled engine with compact structure, reduced volume, reduced overall mass, and improved rotational speed and output power. Background technique [0002] Surfing is popular for its thrills and effective physical exercise. Ordinary surfboards must borrow the thrust of wind and waves before they can be used. When there is no wind and waves or the wind and waves are small, the surfboard will lose its due utility. In order to realize surfing without wind waves or when the wind waves are small, a kind of power surfboard in the prior art uses an engine as power, which can surf on the sea surface or drive on a calm water surface; this type of power surfboard generally Including the hull assembly, power unit, joystick, main empennage, the hull assembly is a prolate oval streamlined hollow structure, the upper middle part of the hull assem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B75/16F02B75/02F02F7/00F02F1/00
Inventor 邓六学程中云
Owner 贾素梅
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