Air intake control device

The utility model provides an air inlet control device. A downstream end surface (40) of a throttle body (16) of an intake control device (10) is provided with a communication groove (42) for connecting an intake passage (24) and a downstream passage part (36) of a bypass passage (32). The communica...

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Main Authors TANNO AKIHIRO, MITOBE MASAAKI, KANO TAKAHIRO, ADACHI NAOAKI, MARUYAMA KENSHI
Format Patent
LanguageChinese
English
Published 15.12.2020
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:The utility model provides an air inlet control device. A downstream end surface (40) of a throttle body (16) of an intake control device (10) is provided with a communication groove (42) for connecting an intake passage (24) and a downstream passage part (36) of a bypass passage (32). The communication groove (42) is composed of a shallow groove portion (44) connected to the outer peripheral portion of the air inlet passage (24) and recessed with respect to the downstream side end face (40), and a deep groove portion (46) formed deeper than the shallow groove portion (44) in the axial direction and communicating the downstream side passage portion (36) with the shallow groove portion (44). Furthermore, the deep groove portion (46) is formed in a crank shape by first to third grooves (48,50, 52) formed so as to surround a deflecting wall portion (54) standing in the axial direction, and the end portion of the third groove (52) on the outer side in the width direction is connected to the bypass passage (32) an
Bibliography:Application Number: CN202020423705U