DE2224139C3 - - Google Patents

Info

Publication number
DE2224139C3
DE2224139C3 DE2224139A DE2224139A DE2224139C3 DE 2224139 C3 DE2224139 C3 DE 2224139C3 DE 2224139 A DE2224139 A DE 2224139A DE 2224139 A DE2224139 A DE 2224139A DE 2224139 C3 DE2224139 C3 DE 2224139C3
Authority
DE
Germany
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
DE2224139A
Other versions
DE2224139B2 (de
DE2224139A1 (de
Inventor
Hynek Dipl.-Ing. Prag Cernoch
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.)
Vihorlat Np Snina (tschechoslowakei)
Original Assignee
Vihorlat Np Snina (tschechoslowakei)
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 Vihorlat Np Snina (tschechoslowakei) filed Critical Vihorlat Np Snina (tschechoslowakei)
Publication of DE2224139A1 publication Critical patent/DE2224139A1/de
Publication of DE2224139B2 publication Critical patent/DE2224139B2/de
Application granted granted Critical
Publication of DE2224139C3 publication Critical patent/DE2224139C3/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D39/00—Equipment for supplying molten metal in rations
    • B22D39/06—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by controlling the pressure above the molten metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/08—Controlling, supervising, e.g. for safety reasons
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/14—Control of fluid pressure with auxiliary non-electric power
    • G05D16/18—Control of fluid pressure with auxiliary non-electric power derived from an external source
    • G05D16/187—Control of fluid pressure with auxiliary non-electric power derived from an external source using pistons within the main valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Control Of Fluid Pressure (AREA)
DE2224139A 1971-05-17 1972-05-17 Verfahren und Vorrichtung zur Regelung des Druckes unterhalb eines Flüssigkeitsspiegels, insbesondere von geschmolzenen Aluminiumlegierungen Granted DE2224139B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS3556A CS175565B1 (de) 1971-05-17 1971-05-17

Publications (3)

Publication Number Publication Date
DE2224139A1 DE2224139A1 (de) 1972-11-23
DE2224139B2 DE2224139B2 (de) 1974-03-21
DE2224139C3 true DE2224139C3 (de) 1974-10-17

Family

ID=5375981

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2224139A Granted DE2224139B2 (de) 1971-05-17 1972-05-17 Verfahren und Vorrichtung zur Regelung des Druckes unterhalb eines Flüssigkeitsspiegels, insbesondere von geschmolzenen Aluminiumlegierungen

Country Status (6)

Country Link
CH (1) CH546979A (de)
CS (1) CS175565B1 (de)
DE (1) DE2224139B2 (de)
FR (1) FR2137959B1 (de)
GB (1) GB1388630A (de)
IT (1) IT955569B (de)

Also Published As

Publication number Publication date
DE2224139B2 (de) 1974-03-21
CS175565B1 (de) 1977-05-31
DE2224139A1 (de) 1972-11-23
IT955569B (it) 1973-09-29
GB1388630A (en) 1975-03-26
CH546979A (de) 1974-03-15
FR2137959A1 (de) 1972-12-29
FR2137959B1 (de) 1973-07-13

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee