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Electric control valve

A technology of electronically controlled air-closing valve and valve core, applied in the direction of engine control, machine/engine, mechanical equipment, etc., can solve problems such as fuel waste, and achieve the effect of reducing pollution, saving fuel and reducing emissions significantly, and reducing fuel waste.

Inactive Publication Date: 2015-11-18
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the problem of fuel waste caused by "inertial air intake" in the prior art, and to provide an electronically controlled air-closing valve

Method used

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  • Electric control valve
  • Electric control valve
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Embodiment Construction

[0025] The present invention is described in detail below in conjunction with accompanying drawing:

[0026] The electronically controlled air-closing valve includes an upper cover 1, a connecting plate 2, a valve core 3, a valve body 4, a reduction motor 5, a limit rod 10 and an electric control part.

[0027] The upper cover 1 is a square plate-type structure, and a round through hole for installing the output shaft of the geared motor 5 is arranged at the center, and a quarter hole is arranged on one side of the round through hole for installing the output shaft of the geared motor 5 . The function of the circular arc-shaped slot is to limit the rotation of the spool 3. The axis of rotation of the arc-shaped slot is collinear with the axis of rotation of the round hole at the center of the upper cover 1; the four corners of the upper cover 1 are provided with Bolt through holes, the upper cover 1 is fixed on the valve body 4 by inserting bolts into the bolt through holes on...

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Abstract

The invention discloses an electrically controlled gas check valve, and aims to overcome the problem of inertial air feeding in the prior art. The electrically controlled gas check valve comprises an upper cover (1), a connecting plate (2), a valve core (3), a valve body (4), a gear motor (5) and a limiting rod (10), wherein the valve core (3) is mounted in a valve core round through hole in the valve body (4), and is rotationally connected with a valve core round pit; the limiting rod (10) is inserted into a blind hole in the top end surface of the valve core (3) in an interference fit manner; the connecting plate (2) is mounted in a groove in the top end of the valve core (3) in an interference fit manner; the upper cover (1) is screwed at the top end of the main body of the valve body (4); the limiting rod (10) is sleeved with a limiting groove (9) in the upper cover (1); the gear motor is vertically mounted on the upper cover (1); the output shaft of the gear motor (5) is assembled with a center hole in the connecting plate (2); and a terminal of the gear motor (5) is connected with a P1.2 pin and a P1.3 pin of a singlechip by wires through a driving chip.

Description

technical field [0001] The invention relates to a valve used on an engine, more precisely, the invention relates to an electronically controlled air-closing valve installed in a fuel supply system between a carburetor and an engine in a four-stroke carburetor engine. Background technique [0002] After the four-stroke carburetor engine is turned off, due to the inertial rotation of the flywheel, there is a problem of "inertia intake". The so-called "inertia intake" means that after the spark plug of the four-stroke carburetor engine stops flashing and the mixture cannot be ignited, the crankshaft continues to rotate under the inertia of the flywheel, which continues to drive the piston to reciprocate, and the cylinder can still form an air intake. The required degree of vacuum in the cylinder causes the mixture to enter the cylinder without combustion, and is discharged into the atmosphere during the exhaust stroke, resulting in waste of fuel and hydrocarbon pollution to the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D9/10F02D9/02
Inventor 李静吴东远邓忠伟徐潘龙何英鹏杨帆吕赫
Owner JILIN UNIV