JPH0330565U

JPH0330565U -

Info

Publication number: JPH0330565U
Application number: JP9003989U
Authority: JP
Priority date: 1989-07-31
Filing date: 1989-07-31
Publication date: 1991-03-26

Description

[Brief explanation of drawings]

第１・２図はこの考案の第１実施例を示し、第
１図は燃料噴射用インテークマニホルドの断面平
面図、第２図は燃料噴射用インテークマニホルド
の側面図である。第３図は第１実施例の変形例を
示す燃料噴射用インテークマニホルドの断面平面
図である。第４・５図はこの考案の第２実施例を
示し、第４図は燃料噴射用インテークマニホルド
の断面平面図、第５図は燃料噴射用インテークマ
ニホルドの側面図である。第６図はこの考案の第
３実施例を示す燃料噴射用インテークマニホルド
の断面平面図である。第７図はこの考案の第４実
施例を示す燃料噴射用インテークマニホルドの断
面平面図である。第８・９図は従来例を示し、第
８図は燃料噴射用インテークマニホルドの断面平
面図、第９図は燃料噴射用インテークマニホルド
の側面図である。図において、２…内燃機関、４…スロツトルボ
デイ、６…燃料噴射用インテークマニホルド、８
…本体、１０…スロツトルボデイ吸気通路、１２
…補助空気通路、１２，１２ａ…入口、１２ｂ…
出口、１４…スロツトルバルブ、１６…補助空気
調整弁、１８…集合部、２０〜２４…第１〜第３
分岐部、２６…集合吸気通路、２８〜３２…第１
〜第３分岐吸気通路、３４…孔部、３６…溝部、
３８〜４２…第１〜第３孔部、４４…管体、４６
…通路である。 1 and 2 show a first embodiment of this invention, with FIG. 1 being a cross-sectional plan view of an intake manifold for fuel injection, and FIG. 2 being a side view of the intake manifold for fuel injection. FIG. 3 is a sectional plan view of a fuel injection intake manifold showing a modification of the first embodiment. 4 and 5 show a second embodiment of this invention, FIG. 4 is a sectional plan view of the intake manifold for fuel injection, and FIG. 5 is a side view of the intake manifold for fuel injection. FIG. 6 is a sectional plan view of a fuel injection intake manifold showing a third embodiment of this invention. FIG. 7 is a cross-sectional plan view of a fuel injection intake manifold showing a fourth embodiment of this invention. 8 and 9 show a conventional example, FIG. 8 is a sectional plan view of the intake manifold for fuel injection, and FIG. 9 is a side view of the intake manifold for fuel injection. In the figure, 2... Internal combustion engine, 4... Throttle body, 6... Fuel injection intake manifold, 8
...Body, 10...Throttle body intake passage, 12
...Auxiliary air passage, 12, 12a...Inlet, 12b...
Outlet, 14...Throttle valve, 16...Auxiliary air adjustment valve, 18...Collection part, 20-24...First to third
Branch part, 26...collective intake passage, 28-32...first
~Third branch intake passage, 34...hole, 36...groove,
38 to 42...first to third hole portions, 44...pipe body, 46
...It's a passageway.

Claims

[Scope of utility model registration request]

A throttle body is provided with a throttle body intake passage that supplies intake air regulated by a throttle valve according to the operating state of the internal combustion engine, and the intake air is regulated by an auxiliary air regulating valve according to the engine temperature state when the internal combustion engine is cold, bypassing the throttle valve. a throttle body equipped with an auxiliary air passage that supplies auxiliary air; a collective intake passage that communicates with the throttle body intake passage; one end of the throttle body is connected to the collective intake passage, and the other end is connected to each cylinder of the internal combustion engine; In a fuel injection intake manifold equipped with branch intake passages that are branched and communicated with each other, an outlet of the auxiliary air passage is set as a portion for evenly distributing auxiliary air supplied by the auxiliary air passage to each of the branch intake passages. An intake manifold for fuel injection characterized by being provided with an opening.