GB2346449B - Method and apparatus for measuring engine speed - Google Patents

Method and apparatus for measuring engine speed

Info

Publication number
GB2346449B
GB2346449B GB0000224A GB0000224A GB2346449B GB 2346449 B GB2346449 B GB 2346449B GB 0000224 A GB0000224 A GB 0000224A GB 0000224 A GB0000224 A GB 0000224A GB 2346449 B GB2346449 B GB 2346449B
Authority
GB
United Kingdom
Prior art keywords
engine speed
measuring engine
measuring
speed
engine
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.)
Expired - Fee Related
Application number
GB0000224A
Other versions
GB2346449A (en
GB0000224D0 (en
Inventor
Walter E Earlson
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of GB0000224D0 publication Critical patent/GB0000224D0/en
Publication of GB2346449A publication Critical patent/GB2346449A/en
Application granted granted Critical
Publication of GB2346449B publication Critical patent/GB2346449B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F02D41/0097—Electrical control of supply of combustible mixture or its constituents using means for generating speed signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
    • G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
    • 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
    • G01P3/489—Digital circuits therefor

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)
  • Combined Controls Of Internal Combustion Engines (AREA)
GB0000224A 1999-02-02 2000-01-06 Method and apparatus for measuring engine speed Expired - Fee Related GB2346449B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24171299A 1999-02-02 1999-02-02

Publications (3)

Publication Number Publication Date
GB0000224D0 GB0000224D0 (en) 2000-03-01
GB2346449A GB2346449A (en) 2000-08-09
GB2346449B true GB2346449B (en) 2003-06-04

Family

ID=22911860

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0000224A Expired - Fee Related GB2346449B (en) 1999-02-02 2000-01-06 Method and apparatus for measuring engine speed

Country Status (1)

Country Link
GB (1) GB2346449B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10143954C1 (en) 2001-09-07 2003-04-30 Siemens Ag Speed detection method
DE10143953B4 (en) 2001-09-07 2005-12-29 Siemens Ag Speed detection method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134265A (en) * 1983-01-19 1984-08-08 Diesel Kiki Co Generating rotational speed data for an internal combustion engine
US4635201A (en) * 1983-06-10 1987-01-06 Diesel Kiki Co., Ltd. Apparatus for detecting amount of change in rotational speed of internal combustion engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134265A (en) * 1983-01-19 1984-08-08 Diesel Kiki Co Generating rotational speed data for an internal combustion engine
US4635201A (en) * 1983-06-10 1987-01-06 Diesel Kiki Co., Ltd. Apparatus for detecting amount of change in rotational speed of internal combustion engine

Also Published As

Publication number Publication date
GB2346449A (en) 2000-08-09
GB0000224D0 (en) 2000-03-01

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Legal Events

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

Effective date: 20100106