GB536197A - Improvements in or relating to two-or more stage rotary vacuum pumps - Google Patents

Improvements in or relating to two-or more stage rotary vacuum pumps

Info

Publication number
GB536197A
GB536197A GB13664/40A GB1366440A GB536197A GB 536197 A GB536197 A GB 536197A GB 13664/40 A GB13664/40 A GB 13664/40A GB 1366440 A GB1366440 A GB 1366440A GB 536197 A GB536197 A GB 536197A
Authority
GB
United Kingdom
Prior art keywords
rotary vacuum
vacuum pumps
relating
pumps
stage rotary
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
GB13664/40A
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.)
Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
Original Assignee
Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
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 Schweizerische Lokomotiv und Maschinenfabrik AG (SLM) filed Critical Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
Publication of GB536197A publication Critical patent/GB536197A/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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Abstract

536,197. Rotary vacuum pumps. SWISS LOCOMOTIVE & MACHINE WORKS. Aug. 30, 1940, No. 13664. Convention date, July 5, 1939. Drawings to Specification. [Class 110 (ii)] In plant comprising two or more rotary vacuum pumps in series, a relief valve is placed between adjacent pumps which opens to atmosphere and prevents the building-up of pressure between the pumps when starting-up.
GB13664/40A 1939-07-05 1940-08-30 Improvements in or relating to two-or more stage rotary vacuum pumps Expired GB536197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE536197X 1939-07-05

Publications (1)

Publication Number Publication Date
GB536197A true GB536197A (en) 1941-05-06

Family

ID=6557207

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13664/40A Expired GB536197A (en) 1939-07-05 1940-08-30 Improvements in or relating to two-or more stage rotary vacuum pumps

Country Status (1)

Country Link
GB (1) GB536197A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936949A (en) * 1953-05-28 1960-05-17 Broom & Wade Ltd Air compressor
US2983432A (en) * 1956-09-19 1961-05-09 Gen Electric Vacuum cleaner with improved fan arrangement
CN110863971A (en) * 2019-12-17 2020-03-06 东莞市基富真空设备有限公司 Automatic pressure release dual-drive vacuum compression equipment and control method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936949A (en) * 1953-05-28 1960-05-17 Broom & Wade Ltd Air compressor
US2983432A (en) * 1956-09-19 1961-05-09 Gen Electric Vacuum cleaner with improved fan arrangement
CN110863971A (en) * 2019-12-17 2020-03-06 东莞市基富真空设备有限公司 Automatic pressure release dual-drive vacuum compression equipment and control method

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