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fluid circulation valve

A fluid circulation and fluid technology, applied in the field of fluid circulation valves, can solve the problems of increasing flow rate, increasing volume, etc., and achieve the effect of reducing cooling requirements, optimizing size, and improving heat insulation

Inactive Publication Date: 2017-02-15
VALEO SYST DE CONTROLE MOTEUR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such a solution increases its volume and leads to an increase in the flow rate to be ensured in the cooling circuit used

Method used

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Examples

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Embodiment Construction

[0028] like Figures 1 to 3 As shown, the valve according to the invention comprises a body 30 defining a main duct 31 for fluid flow and a secondary duct 32 opening into said main duct. The main duct 31 has, for example, inlet and outlet holes 34 which, in one application example, communicate with the exhaust gas line of the engine. The secondary duct has holes 35 which, in the same application example, communicate with the exhaust gas recirculation line.

[0029] The valve also includes a flap 1 and a seal 2 .

[0030] The flap 1 is arranged to be movable between a closed position, in which the flap 1 prevents communication between the two ducts 31, 32, and an open position, in which the flap 1 The sheet 1 allows communication between said ducts 31 , 32 , for example in the area of ​​the fluid passage orifice 33 .

[0031] The body 30 also includes, for example, a housing 37 for the flap actuation motor. The valve may also comprise a transmission system (not shown) betwe...

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PUM

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Abstract

The invention relates to a fluid valve, in particular for the exhaust of a motor vehicle engine, comprising a body (30) defining a main duct (31) and a secondary duct (32) for fluid flow , the secondary pipeline leads to the main pipeline (31). The valve also comprises a flap (1) movable between a closed position and an open position in which the flap (1) prevents communication between the two conduits (31, 32), In said open position, said flap (1) allows communication between said ducts (31, 32); and gasket (2), which rests against said flap (1) when said flap (1) is in closed position on the gasket (2). In addition, the aforementioned body comprises a housing ( 37 ) for a motor, said housing ( 37 ) being used to actuate the flap ( 1 ). According to the invention, the body (30) is configured to define a thin layer of fluid (38) between the gasket (2) and the casing (37).

Description

technical field [0001] The invention relates to a fluid circulation valve, in particular for the exhaust gas from a motor vehicle engine or for a mixture of fresh air and exhaust gas. Background technique [0002] The valve can thus be used to regulate the flow rate of exhaust gases intended to be recirculated to the engine's air intake line. In particular it may be used in engine designs, especially diesel engine designs comprising a turbocompressor, the valve being arranged in the engine exhaust line downstream of the turbine of the turbocompressor, in order to let off some gases. [0003] A valve has been proposed comprising a body defining a main duct for exhaust gas flow and a secondary duct opening into said main duct, intended for letting off exhaust gas directed towards The part of the intake side of the engine that guides. The valve includes a flap movable between a closed position, in which the flap prevents communication between the two conduits, and an open pos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M26/70
CPCF16K1/222F16K1/2263F16K11/0525F16K27/0218F02M26/16F02M26/54F02M26/70F02M26/71F02M26/18F02M26/26F02D9/10F16K1/226F16K27/02F16K31/041Y02T10/12
Inventor S.阿德诺特G.霍德伯格
Owner VALEO SYST DE CONTROLE MOTEUR