GB1429792A - Apparatus for detecing variations in an input quantity - Google Patents

Apparatus for detecing variations in an input quantity

Info

Publication number
GB1429792A
GB1429792A GB1230772A GB1230772A GB1429792A GB 1429792 A GB1429792 A GB 1429792A GB 1230772 A GB1230772 A GB 1230772A GB 1230772 A GB1230772 A GB 1230772A GB 1429792 A GB1429792 A GB 1429792A
Authority
GB
United Kingdom
Prior art keywords
input quantity
march
capacitor
delay
amplifier
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
Application number
GB1230772A
Other languages
English (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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Priority to GB1230772A priority Critical patent/GB1429792A/en
Priority to US340234A priority patent/US3878402A/en
Priority to IT48796/73A priority patent/IT979840B/it
Priority to DE2312932A priority patent/DE2312932A1/de
Priority to FR7309481A priority patent/FR2176457A5/fr
Priority to JP48030809A priority patent/JPS4927270A/ja
Publication of GB1429792A publication Critical patent/GB1429792A/en
Expired 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
    • G01L23/12—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 changing capacitance or inductance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/26—Control of fuel supply
    • F02C9/28—Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/09—Purpose of the control system to cope with emergencies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/10—Purpose of the control system to cope with, or avoid, compressor flow instabilities

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Fluid Pressure (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Measuring Volume Flow (AREA)
GB1230772A 1972-03-16 1972-03-16 Apparatus for detecing variations in an input quantity Expired GB1429792A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB1230772A GB1429792A (en) 1972-03-16 1972-03-16 Apparatus for detecing variations in an input quantity
US340234A US3878402A (en) 1972-03-16 1973-03-12 Apparatus for detecting rapid variations in an output quantity
IT48796/73A IT979840B (it) 1972-03-16 1973-03-14 Apparecchio rivelatore di quantita d ingresso per motori a turbina a gas
DE2312932A DE2312932A1 (de) 1972-03-16 1973-03-15 Vorrichtung zum erfassen einer schnellen aenderung in einer eingangsmenge
FR7309481A FR2176457A5 (enExample) 1972-03-16 1973-03-16
JP48030809A JPS4927270A (enExample) 1972-03-16 1973-03-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1230772A GB1429792A (en) 1972-03-16 1972-03-16 Apparatus for detecing variations in an input quantity

Publications (1)

Publication Number Publication Date
GB1429792A true GB1429792A (en) 1976-03-24

Family

ID=10002114

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1230772A Expired GB1429792A (en) 1972-03-16 1972-03-16 Apparatus for detecing variations in an input quantity

Country Status (6)

Country Link
US (1) US3878402A (enExample)
JP (1) JPS4927270A (enExample)
DE (1) DE2312932A1 (enExample)
FR (1) FR2176457A5 (enExample)
GB (1) GB1429792A (enExample)
IT (1) IT979840B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2342566C1 (ru) * 2007-06-27 2008-12-27 Федеральное государственное унитарное предприятие "Московское машиностроительное производственное предприятие "САЛЮТ" (ФГУП "ММПП "САЛЮТ") Осевой компрессор газотурбинного двигателя

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3278830A (en) * 1962-09-05 1966-10-11 Werner M Rupp Bridge-type parametric frequency multiplier
US3286031A (en) * 1963-03-04 1966-11-15 Alto Scient Co Inc Voice actuated device
GB1067454A (en) * 1963-06-21 1967-05-03 Plessey Uk Ltd Improvements in or relating to controlled frequency electrical oscillation generators

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2342566C1 (ru) * 2007-06-27 2008-12-27 Федеральное государственное унитарное предприятие "Московское машиностроительное производственное предприятие "САЛЮТ" (ФГУП "ММПП "САЛЮТ") Осевой компрессор газотурбинного двигателя

Also Published As

Publication number Publication date
DE2312932A1 (de) 1973-09-27
FR2176457A5 (enExample) 1973-10-26
US3878402A (en) 1975-04-15
IT979840B (it) 1974-09-30
JPS4927270A (enExample) 1974-03-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee