GB190925680A - Improvements in and relating to Valve Devices for Air or Gas Exhausting Apparatus. - Google Patents

Improvements in and relating to Valve Devices for Air or Gas Exhausting Apparatus.

Info

Publication number
GB190925680A
GB190925680A GB190925680DA GB190925680A GB 190925680 A GB190925680 A GB 190925680A GB 190925680D A GB190925680D A GB 190925680DA GB 190925680 A GB190925680 A GB 190925680A
Authority
GB
United Kingdom
Prior art keywords
relating
air
valve devices
gas exhausting
exhausting apparatus
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
Inventor
Edwin Rudolph Grote
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190925680A publication Critical patent/GB190925680A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing Devices (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Abstract

25,680. Grote, E. R. Nov. 6. Liquid-seal valves; actuating valves.-Mercury for sealing a pipe b in a chamber c is raised by energizing an electro-magnet j arranged below a chamber g in communication with the chamber c and containing a floating mass of iron h. The iron is pulled down and thereby causes a rise of mercury in both chambers.
GB190925680D 1909-11-06 1909-11-06 Improvements in and relating to Valve Devices for Air or Gas Exhausting Apparatus. Expired GB190925680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190925680T 1909-11-06

Publications (1)

Publication Number Publication Date
GB190925680A true GB190925680A (en) 1910-11-07

Family

ID=32491038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190925680D Expired GB190925680A (en) 1909-11-06 1909-11-06 Improvements in and relating to Valve Devices for Air or Gas Exhausting Apparatus.

Country Status (1)

Country Link
GB (1) GB190925680A (en)

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