FR851444A - Dispositif permettant de convertir des variations de pression en variations de capacité - Google Patents

Dispositif permettant de convertir des variations de pression en variations de capacité

Info

Publication number
FR851444A
FR851444A FR851444DA FR851444A FR 851444 A FR851444 A FR 851444A FR 851444D A FR851444D A FR 851444DA FR 851444 A FR851444 A FR 851444A
Authority
FR
France
Prior art keywords
variations
capacity
converting pressure
pressure variations
converting
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
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR851444A publication Critical patent/FR851444A/fr
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
    • G01L23/125—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 by changing capacitance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR851444D 1938-03-12 1939-03-10 Dispositif permettant de convertir des variations de pression en variations de capacité Expired FR851444A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL851444X 1938-03-12

Publications (1)

Publication Number Publication Date
FR851444A true FR851444A (fr) 1940-01-09

Family

ID=19847114

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851444D Expired FR851444A (fr) 1938-03-12 1939-03-10 Dispositif permettant de convertir des variations de pression en variations de capacité

Country Status (1)

Country Link
FR (1) FR851444A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6308932B1 (en) 1998-05-20 2001-10-30 Applied Komatsu Technology, Inc. Isolation valves
US6390448B1 (en) 2000-03-30 2002-05-21 Lam Research Corporation Single shaft dual cradle vacuum slot valve
US6913243B1 (en) 2000-03-30 2005-07-05 Lam Research Corporation Unitary slot valve actuator with dual valves

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6308932B1 (en) 1998-05-20 2001-10-30 Applied Komatsu Technology, Inc. Isolation valves
US6517048B2 (en) 1998-05-20 2003-02-11 Applied Materials, Inc. Isolation valves
US6390448B1 (en) 2000-03-30 2002-05-21 Lam Research Corporation Single shaft dual cradle vacuum slot valve
US6913243B1 (en) 2000-03-30 2005-07-05 Lam Research Corporation Unitary slot valve actuator with dual valves

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