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GB201204411D0 - Design optimization for an in-cylinder sensor seat - Google Patents

Design optimization for an in-cylinder sensor seat

Info

Publication number
GB201204411D0
GB201204411D0 GBGB1204411.1A GB201204411A GB201204411D0 GB 201204411 D0 GB201204411 D0 GB 201204411D0 GB 201204411 A GB201204411 A GB 201204411A GB 201204411 D0 GB201204411 D0 GB 201204411D0
Authority
GB
United Kingdom
Prior art keywords
bellow
volume
sensor
cap
seat
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
GBGB1204411.1A
Other versions
GB2500215A (en
GB2500215B (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.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
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 GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Priority to GB1204411.1A priority Critical patent/GB2500215B/en
Publication of GB201204411D0 publication Critical patent/GB201204411D0/en
Publication of GB2500215A publication Critical patent/GB2500215A/en
Application granted granted Critical
Publication of GB2500215B publication Critical patent/GB2500215B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
    • 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
    • F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
    • F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
    • F02P19/028—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs the glow plug being combined with or used as a sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
    • F23Q7/001—Glowing plugs for internal-combustion engines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
    • F23Q7/001—Glowing plugs for internal-combustion engines
    • F23Q2007/002—Glowing plugs for internal-combustion engines with sensing means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The invention provides a method for reducing the amount of deposits and lacquers on an in-cylinder sensor of an internal combustion engine, the sensor including a bellow 4, a bellow cap 3 and a sensor rod 2, the method including the steps of (a) evaluating the volume of the crevice 7 between the bellow 4 and the bellow cap 3, (b) evaluating the volume of the sensor rod 2, and (c) machining a seat 5 for the sensor rod on the engine so as to form a clearance between the sensor rod and its seat having a volume which is at least 2.5 times, preferably 3 times, greater than the volume of the crevice between the bellow and the bellow cap so as to form a decoupling volume between the cylinder and the bellow area which limits the diffusion of unburned hydrocarbons between the bellow and its bellow cap. The sensor may be a pressure sensing glow plug (PSG).
GB1204411.1A 2012-03-12 2012-03-12 Design optimization for an in-cylinder sensor seat Expired - Fee Related GB2500215B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1204411.1A GB2500215B (en) 2012-03-12 2012-03-12 Design optimization for an in-cylinder sensor seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1204411.1A GB2500215B (en) 2012-03-12 2012-03-12 Design optimization for an in-cylinder sensor seat

Publications (3)

Publication Number Publication Date
GB201204411D0 true GB201204411D0 (en) 2012-04-25
GB2500215A GB2500215A (en) 2013-09-18
GB2500215B GB2500215B (en) 2018-07-11

Family

ID=46026460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1204411.1A Expired - Fee Related GB2500215B (en) 2012-03-12 2012-03-12 Design optimization for an in-cylinder sensor seat

Country Status (1)

Country Link
GB (1) GB2500215B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH709304A1 (en) * 2014-02-25 2015-08-28 Kistler Holding Ag Glow plug.
JP5964877B2 (en) * 2014-03-25 2016-08-03 トヨタ自動車株式会社 In-cylinder pressure sensor control device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007044967A1 (en) * 2007-09-19 2009-04-02 Beru Ag Glow plug with coking-optimized design, special annular gap formation

Also Published As

Publication number Publication date
GB2500215A (en) 2013-09-18
GB2500215B (en) 2018-07-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20181011