INTAKE PASSAGE STRUCTURE FOR TURBOCHARGER-EQUIPPED ENGINE

An intake passage structure for a turbocharger-equipped engine (1), wherein a supercharging passage (71) and an air relief passage (72) are provided inside a compressor case (21a). The air relief passage (72) has a nonlinear first passage (73) and a nonlinear second passage (74). The first passage (...

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Bibliographische Detailangaben
Hauptverfasser:	WATANABE ATSUSHI, SUEKUNI EINOSUKE, HOSOKAWA KOJI, UEHANE YOSHIYUKI, ISHIDA KIMIO, OHTSUKI KEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	An intake passage structure for a turbocharger-equipped engine (1), wherein a supercharging passage (71) and an air relief passage (72) are provided inside a compressor case (21a). The air relief passage (72) has a nonlinear first passage (73) and a nonlinear second passage (74). The first passage (73) and the second passage (74) have air outflow ports (73a, 74a) that each open at an inner wall surface of a portion (71a) of the supercharging passage (71) that is on the upstream side of a compressor (21). The air outflow ports (73a, 74a) open at different circumferential-direction portions of the inner wall surface so as to overlap in the direction of a central axis of the upstream-side portion (71a). 在涡轮增压发动机(1)的进气通路构造中，在增压器壳体(21a)内设有增压通路(71)和空气释放通路(72)，空气释放通路(72)具有皆为非直线状的第一通路(73)和第二通路(74)，第一通路(73)和第二通路(74)分别具有位于增压通路(71)中增压器(21)的上游侧部分(71a)的内壁面上的空气流出口(73a、74a)。所述空气流出口(73a、74a)位于所述内壁面的周向上彼此不同的部分，且在上游侧部分(71a)的中心轴方向上相重。