FR1148884A - Appareil électrique de contrôle - Google Patents

Appareil électrique de contrôle

Info

Publication number
FR1148884A
FR1148884A FR1148884DA FR1148884A FR 1148884 A FR1148884 A FR 1148884A FR 1148884D A FR1148884D A FR 1148884DA FR 1148884 A FR1148884 A FR 1148884A
Authority
FR
France
Prior art keywords
control device
electrical control
electrical
control
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.)
Evershed and Vignoles Ltd
Original Assignee
Evershed and Vignoles 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 Evershed and Vignoles Ltd filed Critical Evershed and Vignoles Ltd
Application granted granted Critical
Publication of FR1148884A publication Critical patent/FR1148884A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/012—Automatic controllers electric details of the transmission means
    • G05B11/013—Automatic controllers electric details of the transmission means using discharge tubes
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
    • A01B35/02—Other machines for working soil not specially adapted for working soil on which crops are growing with non-rotating tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Level Indicators Using A Float (AREA)
  • Magnetically Actuated Valves (AREA)
FR1148884D 1955-03-15 1956-03-15 Appareil électrique de contrôle Expired FR1148884A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB754855A GB803273A (en) 1955-03-15 1955-03-15 Improvements in electrical controlling apparatus

Publications (1)

Publication Number Publication Date
FR1148884A true FR1148884A (fr) 1957-12-17

Family

ID=9835245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1148884D Expired FR1148884A (fr) 1955-03-15 1956-03-15 Appareil électrique de contrôle

Country Status (2)

Country Link
FR (1) FR1148884A (fr)
GB (1) GB803273A (fr)

Also Published As

Publication number Publication date
GB803273A (en) 1958-10-22

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