[go: up one dir, main page]

CA487648A - Automatic vacuum systems - Google Patents

Automatic vacuum systems

Info

Publication number
CA487648A
CA487648A CA487648A CA487648DA CA487648A CA 487648 A CA487648 A CA 487648A CA 487648 A CA487648 A CA 487648A CA 487648D A CA487648D A CA 487648DA CA 487648 A CA487648 A CA 487648A
Authority
CA
Canada
Prior art keywords
vacuum systems
automatic vacuum
automatic
systems
vacuum
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
CA487648A
Other languages
French (fr)
Inventor
Cunningham Smith Perry
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.)
RCA Corp
Original Assignee
Radio Corporation of America
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.)
Publication date
Application granted granted Critical
Publication of CA487648A publication Critical patent/CA487648A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps
    • F04F9/08—Control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/42—Means structurally associated with the tube or lamp for indicating defects or previous use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels
    • H01J9/385—Exhausting vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
CA487648A 1947-11-28 Automatic vacuum systems Expired CA487648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US788542A US2522969A (en) 1947-11-28 1947-11-28 Automatic vacuum system

Publications (1)

Publication Number Publication Date
CA487648A true CA487648A (en) 1952-10-28

Family

ID=25144810

Family Applications (1)

Application Number Title Priority Date Filing Date
CA487648A Expired CA487648A (en) 1947-11-28 Automatic vacuum systems

Country Status (2)

Country Link
US (1) US2522969A (en)
CA (1) CA487648A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935243A (en) * 1955-12-09 1960-05-03 N G N Electrical Ltd Vacuum pumping apparatus

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707249A (en) * 1951-02-02 1955-04-26 Rca Corp Discharge gage control of vacuum systems
US2775271A (en) * 1955-06-16 1956-12-25 Sylvania Electric Prod Lamp exhaust head
GB931949A (en) * 1960-11-02 1963-07-24 Zeiss Stiftung Fluid control valve system
US4317061A (en) * 1979-12-17 1982-02-23 United Technologies Corporation Pressure compensating device for a plasma display panel
US4823729A (en) * 1987-01-20 1989-04-25 Dvsg Patentverwaltungs Machine for applying a fused configuration of powder on a shoe substrate
US5176187A (en) * 1989-06-27 1993-01-05 Ashland Oil, Inc. Flexible gas salvage containers and process for use
CN110469484A (en) * 2019-09-15 2019-11-19 芜湖聚创新材料有限责任公司 A kind of industrial large-scale vacuum machine system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB411911A (en) * 1932-12-16 1934-06-18 Gen Electric Co Ltd Improvements in or relating to evacuating arrangements for evacuating apparatus, for example, mercury arc rectifiers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935243A (en) * 1955-12-09 1960-05-03 N G N Electrical Ltd Vacuum pumping apparatus

Also Published As

Publication number Publication date
US2522969A (en) 1950-09-19

Similar Documents

Publication Publication Date Title
CA487648A (en) Automatic vacuum systems
CA444821A (en) Automatic switching system
CA439778A (en) Automatic telephone system
CA444075A (en) Automatic telephone system
CA444936A (en) Automatic grab
CA443158A (en) Automatic gun
CA439573A (en) Vacuum tube system
AU136996B2 (en) Automatic volume control systems
CA440181A (en) Vacuum system control means
AU142308B2 (en) Television systems
AU138288B2 (en) Synchronizing systems
CA442992A (en) Condenser transmitter-amplifier system
CA445274A (en) Automatic frequency control system
AU139084B2 (en) Selector system
AU137877B2 (en) Automatic phonograph
CA439463A (en) Selecting system
CA443194A (en) Automatic switch
AU138489B2 (en) Improvements relating to automatic telephone systems
AU136752B2 (en) Direction Finding System
AU139129B2 (en) Automatic transmission
CA443942A (en) Automatic transmission
CA441074A (en) Tray-type evaporator
CA439435A (en) Automatic cut-off roll
CA441782A (en) Automatic heating system
AU141038B2 (en) Automatic weaving device