Carburetor

A technology for carburetors and air intake passages, applied to carburetors, machines/engines, engine components, etc., can solve problems such as difficulty in passing exhaust emission regulations, inability to perform fuel metering and supply correctly, and increased costs, so as to reduce power consumption low power consumption, simple structure, and improved output performance
CN104421047AInactive Publication Date: 2015-03-18KEIHIN CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KEIHIN CORP
Publication Date
2015-03-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

A carburetor comprises an intake path, a constant volume fuel chamber and a fuel nozzle. The intake path is connected to an intake port of an engine, and is opened and closed by a throttle valve. The constant volume fuel chamber is provided below the intake path, constantly stores a certain amount of fuel, and has an upper space connected to an air vent. An upper end of the fuel nozzle opens to the intake path to spray fuel of the constant volume fuel chamber to the intake path. The fuel nozzle is connected to a fuel passage communicating to the underneath of a fuel level of the constant volume fuel chamber, and a fuel pump which feeds fuel to the fuel nozzle is interposed in the fuel passage.
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Description

technical field

[0001] The invention relates to an improvement of a carburetor. The carburetor includes an air intake channel, a quantitative fuel chamber and a fuel nozzle. The air intake channel is connected to the air intake port of the engine and is opened and closed by a throttle valve. Below, a certain amount of fuel is always stored, and has an upper space connected to an air vent passage, and the upper end of the fuel nozzle opens to the intake passage to inject the fuel of the quantitative fuel chamber into the intake passage. Background technique

[0002] The above-mentioned vaporizer is known as described in Patent Document 1 below.

[0003] prior art literature

[0004] patent documents

[0005] [Patent Document 1] JP-A-7-293342

[0006] [Patent Document 2] JP-A-2000-303927

[0007] Summary of the invention

[0008] The problem to be solved by the invention

[0009] In a conventional carburetor, as disclosed in Patent Document 1, when metering the injection...

Claims

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