JPS5791325A - Economical fuel consumption running indicator - Google Patents

Economical fuel consumption running indicator

Info

Publication number
JPS5791325A
JPS5791325A JP16778580A JP16778580A JPS5791325A JP S5791325 A JPS5791325 A JP S5791325A JP 16778580 A JP16778580 A JP 16778580A JP 16778580 A JP16778580 A JP 16778580A JP S5791325 A JPS5791325 A JP S5791325A
Authority
JP
Japan
Prior art keywords
signal
engine
output
control lever
comparator
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
JP16778580A
Other languages
Japanese (ja)
Inventor
Haruo Chiba
Takashi Okubo
Koji Takiguchi
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.)
MITSUWA SEIKI CO Ltd
Sanwa Seiki Ltd
Original Assignee
MITSUWA SEIKI CO Ltd
Sanwa Seiki 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 MITSUWA SEIKI CO Ltd, Sanwa Seiki Ltd filed Critical MITSUWA SEIKI CO Ltd
Priority to JP16778580A priority Critical patent/JPS5791325A/en
Publication of JPS5791325A publication Critical patent/JPS5791325A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/08—Safety, indicating, or supervising devices
    • F02B77/084—Safety, indicating, or supervising devices indicating economy

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

PURPOSE:To drive at cruising speeds by monitoring engine r.p.ms and a shift of a control lever of a fuel injection pump and informing a driver of an excessive step on an accelerator pedal from a relation between the control lever and the engine r.p.ms. CONSTITUTION:An output pulse signal of an engine speed detector 1 is subjected to a D/A conversion 2 and outputted as a voltage signal VN. A signal VF is produced from a characteristic convertor 3 in response to the signal VN in conformity to a conversion characteristic which determines a cruising speed range. The signal VF is compared with a signal VL of a shift detector 5 for a control lever of an injection pump by a comparator 4, which generates an output if the VF is higher than the VL. The output is sent via an amplifier 6 to actuate the first and second indicators 7a, 7b. On the other hand, a comparator 10 compares the signal VN with an output of a reference setting circuit 10 which generates a signal VR corresponding to a maximum speed at which the engine can be cruised, and if the VN is higher than the VR, the comparator sends a signal via an exhaust brake estimation circuit 13 to actuate the third indicator 15.
JP16778580A 1980-11-28 1980-11-28 Economical fuel consumption running indicator Pending JPS5791325A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16778580A JPS5791325A (en) 1980-11-28 1980-11-28 Economical fuel consumption running indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16778580A JPS5791325A (en) 1980-11-28 1980-11-28 Economical fuel consumption running indicator

Publications (1)

Publication Number Publication Date
JPS5791325A true JPS5791325A (en) 1982-06-07

Family

ID=15856059

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16778580A Pending JPS5791325A (en) 1980-11-28 1980-11-28 Economical fuel consumption running indicator

Country Status (1)

Country Link
JP (1) JPS5791325A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59150951U (en) * 1983-03-28 1984-10-09 いすゞ自動車株式会社 Internal combustion engine operating status display device
KR100245875B1 (en) * 1997-07-10 2000-04-01 정몽규 Method for measuring fuel consumption ratio for electronic controlled engines

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555431A (en) * 1978-06-26 1980-01-16 Yasuo Shimazu Automobile fuel consumption controller

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555431A (en) * 1978-06-26 1980-01-16 Yasuo Shimazu Automobile fuel consumption controller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59150951U (en) * 1983-03-28 1984-10-09 いすゞ自動車株式会社 Internal combustion engine operating status display device
JPH0244028Y2 (en) * 1983-03-28 1990-11-22
KR100245875B1 (en) * 1997-07-10 2000-04-01 정몽규 Method for measuring fuel consumption ratio for electronic controlled engines

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