CA922676A - Built up rotor assemblies for vacuum pumps - Google Patents

Built up rotor assemblies for vacuum pumps

Info

Publication number
CA922676A
CA922676A CA096678A CA96678A CA922676A CA 922676 A CA922676 A CA 922676A CA 096678 A CA096678 A CA 096678A CA 96678 A CA96678 A CA 96678A CA 922676 A CA922676 A CA 922676A
Authority
CA
Canada
Prior art keywords
built
vacuum pumps
rotor assemblies
assemblies
rotor
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
CA096678A
Other versions
CA96678S (en
Inventor
A. Schulte Charles
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.)
Sargent Welch Scientific Co
Original Assignee
Sargent Welch Scientific Co
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 Sargent Welch Scientific Co filed Critical Sargent Welch Scientific Co
Application granted granted Critical
Publication of CA922676A publication Critical patent/CA922676A/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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/042—Turbomolecular vacuum pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA096678A 1969-10-27 1970-10-27 Built up rotor assemblies for vacuum pumps Expired CA922676A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86996869A 1969-10-27 1969-10-27

Publications (1)

Publication Number Publication Date
CA922676A true CA922676A (en) 1973-03-13

Family

ID=25354525

Family Applications (1)

Application Number Title Priority Date Filing Date
CA096678A Expired CA922676A (en) 1969-10-27 1970-10-27 Built up rotor assemblies for vacuum pumps

Country Status (9)

Country Link
US (1) US3659958A (en)
JP (1) JPS5026770B1 (en)
BE (1) BE757355A (en)
CA (1) CA922676A (en)
CH (1) CH535383A (en)
DE (1) DE2046692A1 (en)
FR (1) FR2066533A5 (en)
GB (1) GB1330150A (en)
NL (1) NL7015234A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554995A1 (en) * 1975-12-06 1977-06-16 Pfeiffer Vakuumtechnik TURBOMOLECULAR PUMP
JPS5482571U (en) * 1977-11-24 1979-06-12
GB2498816A (en) * 2012-01-27 2013-07-31 Edwards Ltd Vacuum pump
DE102013100853A1 (en) * 2013-01-29 2014-07-31 Pfeiffer Vacuum Gmbh Process for coating and / or painting magnet rings of a rotor magnetic bearing, rotor magnetic bearing and vacuum pump
DE102015117562A1 (en) 2014-10-16 2016-04-21 Johnson Electric S.A. gear pump

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1551402A (en) * 1925-08-25 Botob fob elastic-pi
US843237A (en) * 1906-03-31 1907-02-05 Frank D Shepherd Steam-turbine.
DE287964C (en) * 1913-05-31
US2356605A (en) * 1940-01-08 1944-08-22 Meininghaus Ulrich Turbine rotor
US2317092A (en) * 1941-08-02 1943-04-20 Allis Chalmers Mfg Co Welded spindle construction
US2461242A (en) * 1944-08-23 1949-02-08 United Aircraft Corp Rotor construction for turbines
US2440933A (en) * 1945-05-11 1948-05-04 Elliott Co Turbine rotor
US2637521A (en) * 1949-03-01 1953-05-05 Elliott Co Gas turbine rotor and method of welding rotor disks together
US3070348A (en) * 1960-07-25 1962-12-25 Gen Motors Corp Composite rotor
FR1304689A (en) * 1961-08-04 1962-09-28 Snecma Advanced Turbomolecular Vacuum Pump
US3399827A (en) * 1967-05-19 1968-09-03 Everett H. Schwartzman Vacuum pump system

Also Published As

Publication number Publication date
US3659958A (en) 1972-05-02
FR2066533A5 (en) 1971-08-06
GB1330150A (en) 1973-09-12
BE757355A (en) 1971-03-16
JPS5026770B1 (en) 1975-09-03
DE2046692A1 (en) 1971-05-06
CH535383A (en) 1973-03-31
NL7015234A (en) 1971-04-29

Similar Documents

Publication Publication Date Title
CA944330A (en) Hand vacuum pump
CA947733A (en) Vacuum pumps
CA927751A (en) Turbomachine rotor
CA973851A (en) Vacuum pump
CA946682A (en) Centrifugal pump
CA922676A (en) Built up rotor assemblies for vacuum pumps
CA921767A (en) Pumps
CA940897A (en) Vacuum pump
CA930608A (en) Pumps
CA922675A (en) Vacuum pump construction
AU1317170A (en) Rotary pump
AU462145B2 (en) Vacuum pump
AU432760B2 (en) An improved centrifugal pump
CA925523A (en) Fixed vane rotor-type pump assembly
CA825529A (en) Vacuum pump
CA821645A (en) Gettor-ion vacuum pump
AU456146B2 (en) Vacuum pump
CA817239A (en) Vacuum operated pump
CA821644A (en) Ionic vacuum pump structure
CA821642A (en) Getter vacuum pump
CA845383A (en) Vacuum held hydrostatic rotor
CA849123A (en) High vacuum pump
CA911391A (en) High vacuum pump
CA810774A (en) Getter pump assemblies
CA806976A (en) Runner-impeller for turbine pump