FR3102220B1 - Top dead center detection magnetic target - Google Patents

Top dead center detection magnetic target Download PDF

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Publication number
FR3102220B1
FR3102220B1 FR1911699A FR1911699A FR3102220B1 FR 3102220 B1 FR3102220 B1 FR 3102220B1 FR 1911699 A FR1911699 A FR 1911699A FR 1911699 A FR1911699 A FR 1911699A FR 3102220 B1 FR3102220 B1 FR 3102220B1
Authority
FR
France
Prior art keywords
dead center
top dead
support
magnetic
magnetic target
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.)
Active
Application number
FR1911699A
Other languages
French (fr)
Other versions
FR3102220A1 (en
Inventor
Claudio Canini
Valentin Fradet
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR1911699A priority Critical patent/FR3102220B1/en
Publication of FR3102220A1 publication Critical patent/FR3102220A1/en
Application granted granted Critical
Publication of FR3102220B1 publication Critical patent/FR3102220B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle
    • F02P7/067—Electromagnetic pick-up devices, e.g. providing induced current in a coil
    • F02P7/0677—Mechanical arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24428—Error prevention
    • G01D5/24433—Error prevention by mechanical means
    • G01D5/24438—Special design of the sensing element or scale
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2454—Encoders incorporating incremental and absolute signals
    • G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
    • G01D5/2457—Incremental encoders having reference marks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

Cible magnétique de détection du point mort haut Cible (4) magnétique apte à coopérer avec un capteur magnétique (5) pour détecter un point mort haut d'un piston dans un cylindre de moteur à combustion (2), caractérisée en ce qu'elle comprend : - un support (20) apte à être fixé à un arbre tournant, notamment un vilebrequin (3), d'un moteur à combustion (2), le support (20) comprenant un contour extérieur annulaire pourvu d'un ensemble de créneaux (22), et - un ensemble d'éléments d’insertion (21) fixés audit support (20) et agencés dans lesdits créneaux (22), la cible (4) comprenant un contour extérieur globalement de révolution, l'un parmi le support ou l’ensemble des éléments d’insertion étant magnétique, l'autre parmi le support ou l’ensemble des éléments d’insertion étant non magnétique. Figure pour l’abrégé : figure 5Magnetic target for detecting top dead center Magnetic target (4) capable of cooperating with a magnetic sensor (5) to detect a top dead center of a piston in a cylinder of a combustion engine (2), characterized in that it comprises: - a support (20) adapted to be fixed to a rotating shaft, in particular a crankshaft (3), of a combustion engine (2), the support (20) comprising an annular outer contour provided with a set of crenellations (22), and - a set of insertion elements (21) fixed to said support (20) and arranged in the said crenellations (22), the target (4) comprising an outer contour generally of revolution, one of the support or all of the insertion elements being magnetic, the other of the support or all of the insertion elements being non-magnetic. Figure for abstract: Figure 5

FR1911699A 2019-10-18 2019-10-18 Top dead center detection magnetic target Active FR3102220B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1911699A FR3102220B1 (en) 2019-10-18 2019-10-18 Top dead center detection magnetic target

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1911699A FR3102220B1 (en) 2019-10-18 2019-10-18 Top dead center detection magnetic target
FR1911699 2019-10-18

Publications (2)

Publication Number Publication Date
FR3102220A1 FR3102220A1 (en) 2021-04-23
FR3102220B1 true FR3102220B1 (en) 2022-08-05

Family

ID=69699988

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1911699A Active FR3102220B1 (en) 2019-10-18 2019-10-18 Top dead center detection magnetic target

Country Status (1)

Country Link
FR (1) FR3102220B1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742915U (en) * 1980-08-23 1982-03-09
US5549090A (en) * 1990-07-31 1996-08-27 Blount; David H. Electronic ignition system for combustion engines
US5438963A (en) * 1992-09-30 1995-08-08 Honda Giken Kogyo Kabushiki Kaisha 4-cycle engine
US6642709B2 (en) * 2001-10-17 2003-11-04 A.J. Rose Manufacturing Co. Signal wheel for generating rotational position signal
US20040224815A1 (en) * 2003-05-06 2004-11-11 Lang Ken-Jen Gear with integrated angular position mechanism
JP5783994B2 (en) * 2012-12-25 2015-09-24 本田技研工業株式会社 Wheel speed sensor ring mounting structure
US9952248B2 (en) * 2015-10-14 2018-04-24 Danfoss Power Solutions G.m.b.H. & Co. OHG Speed sensor ring

Also Published As

Publication number Publication date
FR3102220A1 (en) 2021-04-23

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