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JPS5746040A - Air intake control unit for diesel engine - Google Patents

Air intake control unit for diesel engine

Info

Publication number
JPS5746040A
JPS5746040A JP55121069A JP12106980A JPS5746040A JP S5746040 A JPS5746040 A JP S5746040A JP 55121069 A JP55121069 A JP 55121069A JP 12106980 A JP12106980 A JP 12106980A JP S5746040 A JPS5746040 A JP S5746040A
Authority
JP
Japan
Prior art keywords
control
air intake
control valve
negative pressure
diesel engine
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
JP55121069A
Other languages
Japanese (ja)
Inventor
Akiyasu Kuwabara
Shozo Yanagisawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP55121069A priority Critical patent/JPS5746040A/en
Publication of JPS5746040A publication Critical patent/JPS5746040A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust-Gas Circulating Devices (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PURPOSE: To properly control the volume of air intake properties to operating conditions by providing a feedback control valve (to perform feedback control) to produce a specified position to an air intake passage of a diesel engine equipped with an exhaust air back flow unit.
CONSTITUTION: A control valve 3 is installed to an air intake passage 2 having an exhaust air back flow nozzle at a location not illustrated herein. The shaft 4 of the control valve 3 is connected to a diaphragm mechanism 7 through a rod 7. A negative pressure of a vacuum pump 10 transmitted to the diaphragm chamber 8 performs position control of the valve. On the negative pressure passage is installed a solenoid which is opened or closed by an electric process circuit 11 to control the volume of negative pressure for transmission. The position of the solenoid 12 detects the position of the control valve 3 and inputs the signal to the circuit 11 as well, thereby preforming feed back control.
COPYRIGHT: (C)1982,JPO&Japio
JP55121069A 1980-09-03 1980-09-03 Air intake control unit for diesel engine Pending JPS5746040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55121069A JPS5746040A (en) 1980-09-03 1980-09-03 Air intake control unit for diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55121069A JPS5746040A (en) 1980-09-03 1980-09-03 Air intake control unit for diesel engine

Publications (1)

Publication Number Publication Date
JPS5746040A true JPS5746040A (en) 1982-03-16

Family

ID=14802064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55121069A Pending JPS5746040A (en) 1980-09-03 1980-09-03 Air intake control unit for diesel engine

Country Status (1)

Country Link
JP (1) JPS5746040A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5988347U (en) * 1982-12-07 1984-06-15 日本発条株式会社 Luggage compartment cover attachment device
US5468530A (en) * 1993-11-22 1995-11-21 Basf Aktiengesellschaft PPE/PA molding materials for the production of moldings by means of blow molding, profile extrusion and pipe extrusion
WO2016086902A1 (en) * 2014-12-05 2016-06-09 雄和崴有限公司 Method and apparatus for regulating negative-pressure feed intake of an air intake system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5988347U (en) * 1982-12-07 1984-06-15 日本発条株式会社 Luggage compartment cover attachment device
US5468530A (en) * 1993-11-22 1995-11-21 Basf Aktiengesellschaft PPE/PA molding materials for the production of moldings by means of blow molding, profile extrusion and pipe extrusion
WO2016086902A1 (en) * 2014-12-05 2016-06-09 雄和崴有限公司 Method and apparatus for regulating negative-pressure feed intake of an air intake system

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