Environment-friendly energy-saving stepless speed changing engine

An environmentally friendly, energy-saving, continuously variable speed technology, applied in the direction of machines/engines, mechanical equipment, etc., can solve the problems of engine noise, increased vibration, increased engine braking force, shortened engine life, etc., to reduce noise and vibration, Effect of increasing centrifugal force and prolonging life

Inactive Publication Date: 2006-05-03
广州天马集团天马摩托车有限公司
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AI Technical Summary

Problems solved by technology

Its shortcomings are: 1. The noise and vibration are large, which is mainly due to the fact that the weight of the centrifugal roller of the driving wheel of the CVT is too light to generate a small centrifugal force; the speed ratio between the drive shaft and the final gear in the reduction box is too large ; So it leads to idling with a large throttle when starting, which increases the noise and vibration of the engine
2. High energy consumption and short service life, not only because it adopts a flat-suction vacuum film plunger carburetor, but also because when the throttle is loosened, the driven wheel of the CVT quickly returns to the low speed due to the large speed ratio in the reduction box state, the engine rotates at a high speed driven by the rear wheels, which increases the engine braking force, increases the drag phenomenon, reduces inertia, causes unnecessary waste of fuel, and shortens the life of the engine relatively

Method used

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Embodiment Construction

[0009] The present invention is further described below in conjunction with accompanying drawing:

[0010] Referring to Figure 1, the carburetor 2 is converted from the original flat-suction vacuum film plunger carburetor to a flat-suction plunger carburetor; the weight of the centrifugal roller 3 of the driving wheel of the CVT is changed from the original 12±1 The gram weight is 18±2 grams, and the parameters of the driven wheel compression spring 4 of the CVT are changed (it includes: the number of coils of the spring, pitch, height and its compression force); the distance between the gears in the reduction box is reduced Speed ​​ratio, and increase the intermediate shaft gear 5 of the reduction box from the original 13 teeth to 16 teeth, and reduce the final gear 6 from the original 40 teeth to 37 teeth, and retain the gears of the original reduction box The center distance, modulus and total number of teeth remain unchanged.

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Abstract

The invention discloses a new environment protection energy-saving variable-speed motor, which is characterized by the following: transforming the present flat-suck-type vacuum film plunger carburetor into flat-suck-type plunger carburetor; changing the weight of CVT positive wheel centrifugal roller from 12í‚1 g to 18í‚2 g; changing the parameter of CVT driven wheel compression spring ( contains: spring cyclomatic number, pitch, height and compression force); adding the tooth of reducer intermediate shaft gear from 13 teeth to 16 teeth; reducing the tooth of final stage gear from 40 teeth to 37 teeth.

Description

technical field [0001] The invention relates to a motorcycle engine, in particular to a novel environment-friendly and energy-saving continuously variable speed engine. Background technique [0002] Existing motorcycle GY6 continuously variable transmission engine, its engine all adopts flat suction type vacuum film plunger carburetor, and the weight of the driving wheel centrifugal roller of its CVT is too light, only 12 ± 1 gram, the CVT The elastic force of the driven wheel compression spring is also too large, and the speed change ratio between the drive shaft and the final gear is also very large in the reduction box, and the number of teeth of the intermediate shaft gear is thirteen teeth, and the number of teeth of the final gear is forty teeth. Its shortcomings are: 1. The noise and vibration are large, which is mainly due to the fact that the weight of the centrifugal roller of the driving wheel of the CVT is too light to generate a small centrifugal force; the spee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B61/06
Inventor 刘建平
Owner 广州天马集团天马摩托车有限公司
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