JPS5713260A - Air intake device of diesel engine - Google Patents

Air intake device of diesel engine

Info

Publication number
JPS5713260A
JPS5713260A JP8751980A JP8751980A JPS5713260A JP S5713260 A JPS5713260 A JP S5713260A JP 8751980 A JP8751980 A JP 8751980A JP 8751980 A JP8751980 A JP 8751980A JP S5713260 A JPS5713260 A JP S5713260A
Authority
JP
Japan
Prior art keywords
passage
shutter
intake
line position
intake air
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
JP8751980A
Other languages
Japanese (ja)
Inventor
Tsunao Yajima
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.)
Mazda Motor Corp
Original Assignee
Mazda Motor Corp
Toyo Kogyo Co Ltd
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 Mazda Motor Corp, Toyo Kogyo Co Ltd filed Critical Mazda Motor Corp
Priority to JP8751980A priority Critical patent/JPS5713260A/en
Publication of JPS5713260A publication Critical patent/JPS5713260A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

PURPOSE: To reduce a level of vibration and noise in an engine at is low loaded operation, by synchronously actuating an intake air heating device provided in an intake passage with closing operation of an air intake shutter.
CONSTITUTION: A bypass passage 15 having a heating surface 14 its provided in one side of an intake passage 2 of an engine 1, then the heating surface 14 is heated by an exhaust passage 3. A selector valve 16 is provided in an inlet to the bypass passage 15 movably arranged between the actual line position to close the passage 15 and open the main passage 2 and the broken line position to open the passage 15. Further the selector valve 16 is operated by a vacuum actuator 17, and the actuator 17 is connected to a negative pressure take-off port 19 in the downstream of a shutter 5 through a vacuum passage 18. When the shutter 5 is closed to generate negative pressure in its downstream, the valve 16 is moved to the broken line position, and intake air is preheated and guided from the passage 15 to a combustion chamber, then a state of combustion is improved thus an intake air throttling amount by the shutter 5 can be increased.
COPYRIGHT: (C)1982,JPO&Japio
JP8751980A 1980-06-27 1980-06-27 Air intake device of diesel engine Pending JPS5713260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8751980A JPS5713260A (en) 1980-06-27 1980-06-27 Air intake device of diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8751980A JPS5713260A (en) 1980-06-27 1980-06-27 Air intake device of diesel engine

Publications (1)

Publication Number Publication Date
JPS5713260A true JPS5713260A (en) 1982-01-23

Family

ID=13917235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8751980A Pending JPS5713260A (en) 1980-06-27 1980-06-27 Air intake device of diesel engine

Country Status (1)

Country Link
JP (1) JPS5713260A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5994154U (en) * 1982-12-15 1984-06-26 株式会社小松製作所 diesel engine
JPS604712U (en) * 1983-06-24 1985-01-14 マツダ株式会社 Diesel engine blow-by gas recirculation device
JPS6015946U (en) * 1983-07-11 1985-02-02 日産自動車株式会社 Diesel engine vibration reduction device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5994154U (en) * 1982-12-15 1984-06-26 株式会社小松製作所 diesel engine
JPS604712U (en) * 1983-06-24 1985-01-14 マツダ株式会社 Diesel engine blow-by gas recirculation device
JPS6015946U (en) * 1983-07-11 1985-02-02 日産自動車株式会社 Diesel engine vibration reduction device

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