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Air intake control valve

A technology for controlling valves and bodies, applied in engine control, combustion air/combustion-air treatment, mechanical equipment, etc., can solve problems such as difficult operation, air leakage, and deterioration of sealing ability

Active Publication Date: 2015-04-08
AISIN SEIKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the same manner as Document 1, each convex portion protrudes upright toward the surface to be sealed, which also causes problems such as difficulty in handling when the body is mounted to the surface to be sealed due to separation of the seal fitting portion. or pulled out to cause deterioration of sealing ability, air leakage caused by deformation of the body, etc.

Method used

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Examples

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Embodiment Construction

[0036] Embodiments of the present invention will be described below with reference to the drawings. figure 1 The diagram shows the relationship between the intake system 1 for a V-type six-cylinder engine (hereinafter referred to as the engine) and the six cylinders C1, C2, C3, C4, C5 and C6 (hereinafter collectively referred to as cylinders C1 to C6). The intake system 1 includes: an intake passage 3 to which air taken in through a filter is supplied; and a buffer tank 5 arranged between the intake passage 3 and the cylinders C1 to C6. The throttle valve 2 is arranged at the intake passage 3 . The buffer tank 5 is divided into a first buffer chamber 7 a and a second buffer chamber 7 b by a partition wall 6 . Cylinders C1, C3 and C5 are arranged on the figure 1 The upper first buffer chamber 7a communicates. In the same way, the cylinders C2, C4 and C6 communicate with each intake pipe 4 and the figure 1 The second buffer chamber 7b on the lower side communicates.

[0037...

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PUM

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Abstract

An air intake control valve (10) includes a body (12) extending to divide an inner portion of a surge tank (5) of a multi-cylinder internal combustion engine into two portions, the body serving as a divided surface to divide the inner portion of the surge tank into the two portions, a valve element (14) operated to rotate for opening and closing a fluid passage (10A) formed at the body, and a seal member (20) sealing between a sealed surface (6f) of the surge tank and an outer periphery of the body, the seal member including a seal portion (23d, 23e, 23f) constituted by two contact portions that make contact with the sealed surface in a state where the two contact portions extend in directions opposite from each other relative to the divided surface.

Description

technical field [0001] The present invention generally relates to an intake control valve. Background technique [0002] In, for example, a multi-cylinder internal combustion engine (hereinafter simply referred to as an engine) for a vehicle, an intake control valve is known which is provided at an intake system including a port and a surge tank. This intake control valve includes: a body extending to divide the inside of the buffer tank into two parts; a valve member which is manipulated to rotate to open and close a fluid passage formed in the body; A seal is made between the inner surface of the tank and the outer periphery of the body. The intake control valve is installed to close a communication hole formed at a partition wall that divides the inside of the buffer tank into two parts, ie, two chambers. The valve member of the intake control valve is rotated by the appropriate drive of the actuator to obtain a connected state in which the two chambers communicate with...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B27/02
CPCF02M35/10045F02M35/1036Y02T10/146F02D9/108F02D9/101F02B27/0252F02M35/10321F02B27/0273F02M35/10065F02B27/021F02D9/1045Y02T10/12
Inventor 石井正人吉田雄亮
Owner AISIN SEIKI KK