CA922675A - Vacuum pump construction - Google Patents

Vacuum pump construction

Info

Publication number: CA922675A
Authority: CA; Canada
Prior art keywords: vacuum pump; pump construction; construction; vacuum; pump
Prior art date: 1969-10-27
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

CA094789A

Other languages

English (en)

Other versions

CA94789S (en

Inventor

E. Osterstrom Gordon

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.)

1969-10-27

Filing date

1970-10-05

Publication date

1973-03-13

1970-10-05 Application filed by Sargent Welch Scientific Co filed Critical Sargent Welch Scientific Co

1973-03-13 Application granted granted Critical

1973-03-13 Publication of CA922675A publication Critical patent/CA922675A/en

Status Expired legal-status Critical Current

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)

CA094789A 1969-10-27 1970-10-05 Vacuum pump construction Expired CA922675A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US86980669A	1969-10-27	1969-10-27

Publications (1)

Publication Number	Publication Date
CA922675A true CA922675A (en)	1973-03-13

Family

ID=25354303

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA094789A Expired CA922675A (en)	1969-10-27	1970-10-05	Vacuum pump construction

Country Status (9)

Country	Link
US (1)	US3584966A (fr)
JP (1)	JPS5027882B1 (fr)
BE (1)	BE757353A (fr)
CA (1)	CA922675A (fr)
CH (1)	CH527368A (fr)
DE (1)	DE2046745A1 (fr)
FR (1)	FR2065418A5 (fr)
GB (1)	GB1321472A (fr)
NL (1)	NL7014717A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3722164C2 (de) *	1987-07-04	1995-04-20	Balzers Pfeiffer Gmbh	Turbomolekularpumpe
US6508631B1 (en) *	1999-11-18	2003-01-21	Mks Instruments, Inc.	Radial flow turbomolecular vacuum pump

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US852030A (en) *	1906-09-08	1907-04-30	William A Nussbaumer	Elastic-fluid turbine.
US1793179A (en) *	1927-06-17	1931-02-17	Lanterman Frank	Elastic-fluid turbine
US2918208A (en) *	1956-02-02	1959-12-22	Becker Willi	Molecular pump
FR1251606A (fr) *	1960-03-15	1961-01-20	Arthur Pfeiffer G M B H	Palier pour pompe moléculaire
FR81075E (fr) *	1962-01-23	1963-07-26	Snecma	Pompe à vide turbomoléculaire perfectionnée
FR1338250A (fr) *	1962-11-08	1963-09-20	Akad Wissenschaften Ddr	Pompe moléculaire
US3332610A (en) *	1965-09-08	1967-07-25	Welch Scient Company	Shaft seal with cooling means

0
- BE BE757353D patent/BE757353A/fr not_active IP Right Cessation
1969
- 1969-10-27 US US869806A patent/US3584966A/en not_active Expired - Lifetime
1970
- 1970-09-22 DE DE19702046745 patent/DE2046745A1/de active Pending
- 1970-10-05 CA CA094789A patent/CA922675A/en not_active Expired
- 1970-10-06 CH CH1486970A patent/CH527368A/de not_active IP Right Cessation
- 1970-10-07 NL NL7014717A patent/NL7014717A/xx unknown
- 1970-10-08 GB GB4785970A patent/GB1321472A/en not_active Expired
- 1970-10-13 FR FR7036985A patent/FR2065418A5/fr not_active Expired
- 1970-10-23 JP JP45092862A patent/JPS5027882B1/ja active Pending

Also Published As

Publication number	Publication date
BE757353A (fr)	1971-03-16
NL7014717A (fr)	1971-04-29
FR2065418A5 (fr)	1971-07-23
DE2046745A1 (de)	1971-05-06
CH527368A (de)	1972-08-31
US3584966A (en)	1971-06-15
GB1321472A (en)	1973-06-27
JPS5027882B1 (fr)	1975-09-11

Publication	Publication Date	Title
CA944330A (en)	1974-03-26	Hand vacuum pump
CA924185A (en)	1973-04-10	Pump unit
CA947733A (en)	1974-05-21	Vacuum pumps
CA932207A (en)	1973-08-21	Pump assembly
CA922166A (en)	1973-03-06	Pump unit
CA927678A (en)	1973-06-05	Rotary pump
CA921767A (en)	1973-02-27	Pumps
CA940897A (en)	1974-01-29	Vacuum pump
CA930608A (en)	1973-07-24	Pumps
CA922675A (en)	1973-03-13	Vacuum pump construction
CA926198A (en)	1973-05-15	Rotary pump
AU462145B2 (en)	1975-06-19	Vacuum pump
CA825529A (en)	1969-10-21	Vacuum pump
CA821645A (en)	1969-08-26	Gettor-ion vacuum pump
AU456146B2 (en)	1974-11-26	Vacuum pump
CA817239A (en)	1969-07-08	Vacuum operated pump
CA821244A (en)	1969-08-26	Pump
CA817083A (en)	1969-07-08	Pump
CA818014A (en)	1969-07-15	Getter-ion pump
CA816427A (en)	1969-07-01	Pump
CA820045A (en)	1969-08-12	Pump
CA829042A (en)	1969-12-09	Plunger-diaphragm pump
CA830223A (en)	1969-12-23	Pump
CA821642A (en)	1969-08-26	Getter vacuum pump
CA811447A (en)	1969-04-29	Mechanical pump