FR2325026A2 - Fuel or electricity consumption meter for motor vehicles - uses variable inductance fuel flow sensor and rev counter output in digital form to compute rate of fuel consumption - Google Patents

Fuel or electricity consumption meter for motor vehicles - uses variable inductance fuel flow sensor and rev counter output in digital form to compute rate of fuel consumption

Info

Publication number
FR2325026A2
FR2325026A2 FR7443530A FR7443530A FR2325026A2 FR 2325026 A2 FR2325026 A2 FR 2325026A2 FR 7443530 A FR7443530 A FR 7443530A FR 7443530 A FR7443530 A FR 7443530A FR 2325026 A2 FR2325026 A2 FR 2325026A2
Authority
FR
France
Prior art keywords
fuel
consumption
flow
digital form
flow sensor
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.)
Granted
Application number
FR7443530A
Other languages
French (fr)
Other versions
FR2325026B2 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7443530A priority Critical patent/FR2325026A2/en
Publication of FR2325026A2 publication Critical patent/FR2325026A2/en
Application granted granted Critical
Publication of FR2325026B2 publication Critical patent/FR2325026B2/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
    • G01F9/001—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine with electric, electro-mechanic or electronic means

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

Since fuel consumption meters and rev counters may both use ammeters of rottmeters it is feasible to use the same device to show either the speed of the engine or the fuel consumption. A switch is used to connect the meter to the appropriate sensing element. A digital system may be used to compute the ratio flow: speed or speed:flow in selected units of consumption, using speed and fuel flow data into digital form. The fuel flow sensor may be simplified by using a variable cored inductance to measure the flow of fuel. A winding (1) is made around a tube in series with the fuel channel. The core (2) position is a function of the fuel flow, and the value of the inductance is then a function of the fuel flow. The inductance is included in an oscillator circuit.
FR7443530A 1974-12-26 1974-12-26 Fuel or electricity consumption meter for motor vehicles - uses variable inductance fuel flow sensor and rev counter output in digital form to compute rate of fuel consumption Granted FR2325026A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7443530A FR2325026A2 (en) 1974-12-26 1974-12-26 Fuel or electricity consumption meter for motor vehicles - uses variable inductance fuel flow sensor and rev counter output in digital form to compute rate of fuel consumption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7443530A FR2325026A2 (en) 1974-12-26 1974-12-26 Fuel or electricity consumption meter for motor vehicles - uses variable inductance fuel flow sensor and rev counter output in digital form to compute rate of fuel consumption

Publications (2)

Publication Number Publication Date
FR2325026A2 true FR2325026A2 (en) 1977-04-15
FR2325026B2 FR2325026B2 (en) 1978-06-30

Family

ID=9146875

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7443530A Granted FR2325026A2 (en) 1974-12-26 1974-12-26 Fuel or electricity consumption meter for motor vehicles - uses variable inductance fuel flow sensor and rev counter output in digital form to compute rate of fuel consumption

Country Status (1)

Country Link
FR (1) FR2325026A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111062122A (en) * 2019-12-04 2020-04-24 奇瑞汽车股份有限公司 Oil consumption obtaining method based on simulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111062122A (en) * 2019-12-04 2020-04-24 奇瑞汽车股份有限公司 Oil consumption obtaining method based on simulation

Also Published As

Publication number Publication date
FR2325026B2 (en) 1978-06-30

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