JPS6097365U

JPS6097365U - intake manifold

Info

Publication number: JPS6097365U
Application number: JP18921983U
Authority: JP
Inventors: 豊一梅花; 比呂志田中
Original assignee: トヨタ自動車株式会社
Priority date: 1983-12-09
Filing date: 1983-12-09
Publication date: 1985-07-03

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の吸気マニホルドの第１実施例の平面図
、第２図は第１図のアクチュエータの作動ブロック図、
第３図は本考案の第１実施例の別の態様を示す平面図、
第４図は本考案の第１実施例の更に別の態様を示す平面
図、第５図は本考案の吸気マニホルドの第２実施例の平
面図、第６図は第５図のアクチュエータの作動ブロック
図、第７図は本考案の吸気マニホルドの第３実施例の平
面図、第８、図は第７図のアクチュエータの作動ブロッ
ク図、である。１・・・・・・吸気マニホルド、１０・・・・・・バラ
ンスチューブ、１１・・・・・・バルブ、１２．１９・
・・・・・アクチュエータ、２２・・・・・・絞り。FIG. 1 is a plan view of a first embodiment of the intake manifold of the present invention, FIG. 2 is an operation block diagram of the actuator shown in FIG.
FIG. 3 is a plan view showing another aspect of the first embodiment of the present invention;
FIG. 4 is a plan view showing still another aspect of the first embodiment of the present invention, FIG. 5 is a plan view of the second embodiment of the intake manifold of the present invention, and FIG. 6 is an operation of the actuator shown in FIG. 5. FIG. 7 is a plan view of a third embodiment of the intake manifold of the present invention, and FIG. 8 is a block diagram of the operation of the actuator shown in FIG. 7. 1...Intake manifold, 10...Balance tube, 11...Valve, 12.19.
...Actuator, 22...Aperture.

Claims

[Scope of utility model registration request]

(1) In the intake manifold of a multi-cylinder engine connected to a variable venturi type multiple carburetor, the intake passages connected to each carburetor are connected through a balance tube, and when the engine is operated at full load, An intake manifold characterized by having a valve that is closed and opened when the engine is running at low speeds or idling.

(2) The intake manifold according to claim 1, wherein one balance tube is provided at a position apart from directly below the carburetor toward the engine side.

(3) The intake manifold according to claim 1, wherein one balance tube is provided at a position directly below the carburetor.

(4) Two balance tubes are provided at a position directly below the carburetor and at a position away from the position directly below the carburetor toward the engine, and the valve is disposed in half of the two balance tubes. An intake manifold according to claim 1 of the utility model registration claim.