GB1388630A - Method of pressure control below the level of a liquid such as a molten aluminium alloy and apparatus for carrying out this method - Google Patents

Method of pressure control below the level of a liquid such as a molten aluminium alloy and apparatus for carrying out this method

Info

Publication number
GB1388630A
GB1388630A GB2286972A GB2286972A GB1388630A GB 1388630 A GB1388630 A GB 1388630A GB 2286972 A GB2286972 A GB 2286972A GB 2286972 A GB2286972 A GB 2286972A GB 1388630 A GB1388630 A GB 1388630A
Authority
GB
United Kingdom
Prior art keywords
liquid
aluminium alloy
valve
molten aluminium
hydrostatic pressure
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
GB2286972A
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.)
VIHORLAT NARODNY PODNIK
Original Assignee
VIHORLAT NARODNY PODNIK
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 NARODNY PODNIK filed Critical VIHORLAT NARODNY PODNIK
Publication of GB1388630A publication Critical patent/GB1388630A/en
Expired 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)
GB2286972A 1971-05-17 1972-05-16 Method of pressure control below the level of a liquid such as a molten aluminium alloy and apparatus for carrying out this method Expired GB1388630A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS3556A CS175565B1 (cg-RX-API-DMAC7.html) 1971-05-17 1971-05-17

Publications (1)

Publication Number Publication Date
GB1388630A true GB1388630A (en) 1975-03-26

Family

ID=5375981

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2286972A Expired GB1388630A (en) 1971-05-17 1972-05-16 Method of pressure control below the level of a liquid such as a molten aluminium alloy and apparatus for carrying out this method

Country Status (6)

Country Link
CH (1) CH546979A (cg-RX-API-DMAC7.html)
CS (1) CS175565B1 (cg-RX-API-DMAC7.html)
DE (1) DE2224139B2 (cg-RX-API-DMAC7.html)
FR (1) FR2137959B1 (cg-RX-API-DMAC7.html)
GB (1) GB1388630A (cg-RX-API-DMAC7.html)
IT (1) IT955569B (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
CH546979A (de) 1974-03-15
IT955569B (it) 1973-09-29
DE2224139A1 (de) 1972-11-23
DE2224139C3 (cg-RX-API-DMAC7.html) 1974-10-17
FR2137959B1 (cg-RX-API-DMAC7.html) 1973-07-13
CS175565B1 (cg-RX-API-DMAC7.html) 1977-05-31
DE2224139B2 (de) 1974-03-21
FR2137959A1 (cg-RX-API-DMAC7.html) 1972-12-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees