JPS5525542A - Intake apparatus of multicylinder internal combustion engine - Google Patents

Intake apparatus of multicylinder internal combustion engine

Info

Publication number
JPS5525542A
JPS5525542A JP9760678A JP9760678A JPS5525542A JP S5525542 A JPS5525542 A JP S5525542A JP 9760678 A JP9760678 A JP 9760678A JP 9760678 A JP9760678 A JP 9760678A JP S5525542 A JPS5525542 A JP S5525542A
Authority
JP
Japan
Prior art keywords
passage
port
intake
communication
branched
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9760678A
Other languages
Japanese (ja)
Inventor
Setsuo Sekiya
Katsuhiko Motosugi
Shuhei Toyoda
Masaru Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP9760678A priority Critical patent/JPS5525542A/en
Publication of JPS5525542A publication Critical patent/JPS5525542A/en
Pending legal-status Critical Current

Links

Landscapes

  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

PURPOSE: To increase the filling efficiency to each cylinder by opening branched passages and the opening parts which communicate to a common communication passage, on the down stream side of the throttle valve arranged at each intake port part of a multicylinder engine and utilizing the pressure due to blowing-back.
CONSTITUTION: A throttle valve 22 is arranged in the vicinity of the intake port 5b of each intake passage 11 equipped with a carburetor 13, and each throttle vavle not shown in the figure is linked with through a common shaft. Under the throttle valve 22, a common communication passage 29 is formed which extends in the longitudinal direction of the engine body, and the communication passage 29 is allowed to communicate to each intak port 5b through a communication branched passage 30b, and the top end of the communication passage 30b" is opened in the tangential direction in the vicinity of an intake valve 3b. An opening part 31b is arranged which opens directly to the intake port 5b from the midway of the communication branched passage 30b. The variation of pressure in a port is transmitted by gushing out the mixed gas into other port through the branched passage and the opening part.
COPYRIGHT: (C)1980,JPO&Japio
JP9760678A 1978-08-10 1978-08-10 Intake apparatus of multicylinder internal combustion engine Pending JPS5525542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9760678A JPS5525542A (en) 1978-08-10 1978-08-10 Intake apparatus of multicylinder internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9760678A JPS5525542A (en) 1978-08-10 1978-08-10 Intake apparatus of multicylinder internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5525542A true JPS5525542A (en) 1980-02-23

Family

ID=14196874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9760678A Pending JPS5525542A (en) 1978-08-10 1978-08-10 Intake apparatus of multicylinder internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5525542A (en)

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