CA2013127A1 - Combustion pressure sensor - Google Patents

Combustion pressure sensor

Info

Publication number
CA2013127A1
CA2013127A1 CA 2013127 CA2013127A CA2013127A1 CA 2013127 A1 CA2013127 A1 CA 2013127A1 CA 2013127 CA2013127 CA 2013127 CA 2013127 A CA2013127 A CA 2013127A CA 2013127 A1 CA2013127 A1 CA 2013127A1
Authority
CA
Canada
Prior art keywords
combustion chamber
sensor
wall
chamber pressure
load
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
CA 2013127
Other languages
French (fr)
Other versions
CA2013127C (en
Inventor
Mark C. Sellnau
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of CA2013127A1 publication Critical patent/CA2013127A1/en
Application granted granted Critical
Publication of CA2013127C publication Critical patent/CA2013127C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01L23/08—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 operated electrically
    • G01L23/10—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 operated electrically by pressure-sensitive members of the piezoelectric type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/006—Camshaft or pushrod housings
    • F02F2007/0063—Head bolts; Arrangements of cylinder head bolts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

This invention is an annular sensor that measures combustion chamber pressure in an internal combustion engine. The sensor is located in an engine component opening, such as a spark plug well, and is engaged with first and second walls that define the ends of the opening. The first wall is located near the combustion chamber and flexes in response to varying combustion chamber pressure. The second wall is located away from the combustion chamber and remains relatively rigid. Movement of the first wall relative to the second wall due to varying combustion chamber pressure transmits a load to the sensor. The sensor generates an output signal that corresponds to that load which may subsequently be used to control engine functions.
CA 2013127 1989-08-21 1990-03-27 Combustion pressure sensor Expired - Fee Related CA2013127C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39615689A 1989-08-21 1989-08-21
US07/396,156 1989-08-21

Publications (2)

Publication Number Publication Date
CA2013127A1 true CA2013127A1 (en) 1991-02-21
CA2013127C CA2013127C (en) 1996-07-09

Family

ID=23566086

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2013127 Expired - Fee Related CA2013127C (en) 1989-08-21 1990-03-27 Combustion pressure sensor

Country Status (3)

Country Link
CA (1) CA2013127C (en)
DE (1) DE4026418A1 (en)
GB (1) GB2235299B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3809919B2 (en) * 1995-06-09 2006-08-16 株式会社日立製作所 Cylinder internal pressure detector
WO2007078752A2 (en) 2005-12-19 2007-07-12 Wms Gaming Inc. Multigame gaming machine with transmissive display
CN109738149B (en) * 2018-12-25 2020-07-07 清华大学 Device, system and method for testing antiknock performance of spark plug

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE656168C (en) * 1932-04-16 1938-01-31 Loewe Opta Gmbh Spark plug with built-in piezoelectric pressure measuring device
US4153019A (en) * 1977-04-20 1979-05-08 General Motors Corporation Peak cylinder combustion pressure ignition spark timing system
US4392082A (en) * 1980-08-15 1983-07-05 Hitachi, Ltd. Pressure-sensitive ignition plug
JPS59108244U (en) * 1983-01-10 1984-07-21 日産自動車株式会社 Washer type pressure sensor
US4602506A (en) * 1984-06-29 1986-07-29 Nissan Motor Co., Ltd. Combustion pressure sensor arrangement
US4601196A (en) * 1984-08-15 1986-07-22 General Motors Corporation Engine combustion chamber pressure sensor

Also Published As

Publication number Publication date
DE4026418A1 (en) 1991-02-28
CA2013127C (en) 1996-07-09
GB9017688D0 (en) 1990-09-26
GB2235299B (en) 1994-02-23
DE4026418C2 (en) 1992-06-11
GB2235299A (en) 1991-02-27

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed