JPS5779240A - Closed-loop controlled carburetor - Google Patents

Closed-loop controlled carburetor

Info

Publication number
JPS5779240A
JPS5779240A JP15341380A JP15341380A JPS5779240A JP S5779240 A JPS5779240 A JP S5779240A JP 15341380 A JP15341380 A JP 15341380A JP 15341380 A JP15341380 A JP 15341380A JP S5779240 A JPS5779240 A JP S5779240A
Authority
JP
Japan
Prior art keywords
controlled
warming
starting
valves
main
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
JP15341380A
Other languages
Japanese (ja)
Inventor
Tadashi Tsunakawa
Toru Nakagawa
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 JP15341380A priority Critical patent/JPS5779240A/en
Publication of JPS5779240A publication Critical patent/JPS5779240A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PURPOSE: To enable making air-to-fuel control in the whole operating range in such a way that two electromagnetic valves are provided in the fuel system of a closed-loop controlled carburetor, when warming up at the starting, the two are controlled, and at the normal time, only one of them is controlled.
CONSTITUTION: A float chamber 5 is communicated through a main fuel path 9 equipped with a main jet 6 to a main nozzle 11. Two auxiliary jets 7, 8 are installed on the main fuel path 9. Besides, electromagnetic valves 19, 20 assembled by casings 21, 22 plungers 25, 26, bleeder valves 27, 28, etc. are arranged in each auxiliary jet 7, 8, and auxiliary air bleeders 15, 16 are synchronously controlled. Then, each electromagnetic valve 19, 20 is controlled by means of a controller unshown in the figure, particularly when warming up at the starting, the both valves 19, 20 are feed-controlled, so that it can make wide control proper for warming up at the starting.
COPYRIGHT: (C)1982,JPO&Japio
JP15341380A 1980-10-31 1980-10-31 Closed-loop controlled carburetor Pending JPS5779240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15341380A JPS5779240A (en) 1980-10-31 1980-10-31 Closed-loop controlled carburetor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15341380A JPS5779240A (en) 1980-10-31 1980-10-31 Closed-loop controlled carburetor

Publications (1)

Publication Number Publication Date
JPS5779240A true JPS5779240A (en) 1982-05-18

Family

ID=15561940

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15341380A Pending JPS5779240A (en) 1980-10-31 1980-10-31 Closed-loop controlled carburetor

Country Status (1)

Country Link
JP (1) JPS5779240A (en)

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