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Fuel-air mixture apparatus

A technology of mixing equipment and fuel, which is applied in mechanical equipment, combustion air/combustion-air treatment, fuel re-atomization/homogenization, etc., and can solve problems such as the limitation of droplet size fuel vaporization degree

Inactive Publication Date: 2005-09-07
克里斯蒂安·比约登·奥马松
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Generally, such prior art devices depend on single-stage mixing of fuel and air and are limited in the size of the droplets they induce and the overall degree of vaporization of the fuel in the air

Method used

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  • Fuel-air mixture apparatus
  • Fuel-air mixture apparatus
  • Fuel-air mixture apparatus

Examples

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Embodiment Construction

[0040] The fuel-air mixing device shown in FIG. 1 is a carburetor, which has an air passage member 1 defining a primary air passage 2 with an inlet, an adjustable throttle 3 and an outlet 4 . The inlet is connected to an air filter (not shown) in use, the outlet is connected to an engine intake manifold (not shown) and the throttle is connected to a throttle controller (also not shown). The blades 6 of the throttle are mounted on the handle 7 of the throttle which is journalled in a main body 8 in which the aforementioned air passage member 1 is fitted and which has a cam plate 9 at one end , on which the cam plate 9 is pressed against the valve needle actuator 10 .

[0041] Referring again to FIGS. 2 and 3 , the valve needle actuator 10 is slidably housed in a valve needle seat 11 fitted into a cavity 12 of the main body 8 and sealed there by a pair of sealing rings 13 . The needle seat is stopped by a flange 14 on which a member 15 acts, which member 15 is held in place by ...

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PUM

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Abstract

In a fuel-air mixture device, downstream of a throttle (4) and a fuel introduction device, a block (51) is provided across the primary air passage (2). The block has a plurality of passageways (54) through it for air flow towards an inlet manifold. These improve mixture of the fuel and air.

Description

technical field [0001] The invention relates to fuel-air mixing devices, in particular for internal combustion engines. Background technique [0002] Such fuel-air mixing devices, which mix fuel and air prior to introduction into the cylinders of the engine, generally depend on the pressure drop at the throttle of the device used to introduce the fuel therein (the device at this time is known as carburetor), or depending on the fuel that is injected into the air as it passes through the device. [0003] Typically, such prior art devices depend on single-stage mixing of fuel and air and are limited in the size of the droplets they induce and the overall degree of vaporization of the fuel in the air. Improper vaporization and excessive droplet size can form unburned and / or incompletely burned fuel in the exhaust of the engine. [0004] An invention described and patented by the present inventor in his International Application No. WO 97 / 48897, which will hereinafter be refer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M17/00F02M7/22F02M19/00F02M29/04
CPCF02M29/04F02M7/22Y10S261/55
Inventor 克里斯蒂安·比约登·奥马松
Owner 克里斯蒂安·比约登·奥马松