BE757353A - Perfectionnements aux pompes a vide - Google Patents

Perfectionnements aux pompes a vide

Info

Publication number: BE757353A
Authority: BE; Belgium
Prior art keywords: vacuum pump; pump improvements; vacuum; pump
Prior art date: 1969-10-27

Application number

Other languages

English (en)

Inventor

G F Osterstrom

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

Publication date

1971-03-16

1971-03-16 Publication of BE757353A publication Critical patent/BE757353A/fr

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)

BE757353D 1969-10-27 Perfectionnements aux pompes a vide BE757353A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
BE757353A true BE757353A (fr)	1971-03-16

Family

ID=25354303

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE757353D BE757353A (fr)	1969-10-27		Perfectionnements aux pompes a vide

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
GB1321472A (en)	1973-06-27
DE2046745A1 (de)	1971-05-06
NL7014717A (fr)	1971-04-29
CH527368A (de)	1972-08-31
FR2065418A5 (fr)	1971-07-23
US3584966A (en)	1971-06-15
JPS5027882B1 (fr)	1975-09-11
CA922675A (en)	1973-03-13

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Legal Events

Date	Code	Title	Description
1990-04-30	RE	Patent lapsed	Owner name: SARGENT WELCH CIENTIFIC CY Effective date: 19891031

Date

Code

Title

Description

1990-04-30

Patent lapsed

Owner name: SARGENT WELCH CIENTIFIC CY

Effective date: 19891031