GB190817494A - An Improved Vacuum Pump. - Google Patents

An Improved Vacuum Pump.

Info

Publication number
GB190817494A
GB190817494A GB190817494DA GB190817494A GB 190817494 A GB190817494 A GB 190817494A GB 190817494D A GB190817494D A GB 190817494DA GB 190817494 A GB190817494 A GB 190817494A
Authority
GB
United Kingdom
Prior art keywords
wheels
plug
plugs
tappet
movement
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
Joseph Zeitlin
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 GB190817494A publication Critical patent/GB190817494A/en
Expired legal-status Critical Current

Links

Landscapes

  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

17,494. Zeitlin, J. March 22, 1909. Plug cocks.-Relates to oscillating-plug distributing-valves employed in apparatus for the production of high vacua. The coned plugs 28 of the distributing-valves are mounted on ball bearings 40 in casings 39, and are provided with double ball thrust devices 45, 46 of known kind. The plugs are oscillated intermittently by means of a revolving tappet 32 on a crank-shaft 14. The tappet successively engages projections on the faces of two wheels 30 in gear with each other and with pinions 29 on the plug spindles. The actual movement of the plug is, however, effected nearly instantaneously by the action of tension springs 33 which connect the wheels 30. The tappet rotates the wheels 30 until the springs are extended to the maximum amount in the line joining the centres of the wheels, whereupon the retracting-movement of the springs carries the wheels further round and operates the plugs. The movement is limited by the engagement of pins 35 on the wheels with fixed stops 34.
GB190817494D 1909-03-20 1909-03-20 An Improved Vacuum Pump. Expired GB190817494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190817494T 1909-03-20

Publications (1)

Publication Number Publication Date
GB190817494A true GB190817494A (en) 1909-10-21

Family

ID=32489568

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190817494D Expired GB190817494A (en) 1909-03-20 1909-03-20 An Improved Vacuum Pump.

Country Status (1)

Country Link
GB (1) GB190817494A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398974A (en) * 1991-04-19 1995-03-21 Sekisui Kagaku Kogyo Kabushiki Kaisha Pipe connecting member

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398974A (en) * 1991-04-19 1995-03-21 Sekisui Kagaku Kogyo Kabushiki Kaisha Pipe connecting member

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