FR1476478A - Vacuum adjustment system - Google Patents

Vacuum adjustment system

Info

Publication number
FR1476478A
FR1476478A FR58321A FR58321A FR1476478A FR 1476478 A FR1476478 A FR 1476478A FR 58321 A FR58321 A FR 58321A FR 58321 A FR58321 A FR 58321A FR 1476478 A FR1476478 A FR 1476478A
Authority
FR
France
Prior art keywords
adjustment system
vacuum adjustment
vacuum
adjustment
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
FR58321A
Other languages
French (fr)
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.)
Sperry Corp
Original Assignee
Sperry Rand Corp
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
Priority claimed from US450434A external-priority patent/US3360185A/en
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Priority to FR58321A priority Critical patent/FR1476478A/en
Application granted granted Critical
Publication of FR1476478A publication Critical patent/FR1476478A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/56—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function the record carrier having reserve loop, e.g. to minimise inertia during acceleration measuring or control in connection therewith
    • G11B15/58—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function the record carrier having reserve loop, e.g. to minimise inertia during acceleration measuring or control in connection therewith with vacuum column
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2066—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR58321A 1965-04-23 1966-04-20 Vacuum adjustment system Expired FR1476478A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR58321A FR1476478A (en) 1965-04-23 1966-04-20 Vacuum adjustment system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US450434A US3360185A (en) 1965-04-23 1965-04-23 Vacuum pump control
FR58321A FR1476478A (en) 1965-04-23 1966-04-20 Vacuum adjustment system

Publications (1)

Publication Number Publication Date
FR1476478A true FR1476478A (en) 1967-04-07

Family

ID=26170079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR58321A Expired FR1476478A (en) 1965-04-23 1966-04-20 Vacuum adjustment system

Country Status (1)

Country Link
FR (1) FR1476478A (en)

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