FR1297218A - Vacuum pump improvements - Google Patents

Vacuum pump improvements

Info

Publication number
FR1297218A
FR1297218A FR861897A FR861897A FR1297218A FR 1297218 A FR1297218 A FR 1297218A FR 861897 A FR861897 A FR 861897A FR 861897 A FR861897 A FR 861897A FR 1297218 A FR1297218 A FR 1297218A
Authority
FR
France
Prior art keywords
vacuum pump
pump improvements
vacuum
pump
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
FR861897A
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR861897A priority Critical patent/FR1297218A/en
Application granted granted Critical
Publication of FR1297218A publication Critical patent/FR1297218A/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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps
FR861897A 1961-05-16 1961-05-16 Vacuum pump improvements Expired FR1297218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR861897A FR1297218A (en) 1961-05-16 1961-05-16 Vacuum pump improvements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR861897A FR1297218A (en) 1961-05-16 1961-05-16 Vacuum pump improvements

Publications (1)

Publication Number Publication Date
FR1297218A true FR1297218A (en) 1962-06-29

Family

ID=8755243

Family Applications (1)

Application Number Title Priority Date Filing Date
FR861897A Expired FR1297218A (en) 1961-05-16 1961-05-16 Vacuum pump improvements

Country Status (1)

Country Link
FR (1) FR1297218A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156207A (en) * 2020-01-14 2020-05-15 陈国兵 Oil diffusion pump with low oil return rate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156207A (en) * 2020-01-14 2020-05-15 陈国兵 Oil diffusion pump with low oil return rate

Similar Documents

Publication Publication Date Title
FR1349266A (en) Vacuum switch
FR1310618A (en) Vacuum
CH367293A (en) Vacuum cleaner
FR1365162A (en) Vacuum cleaner improvements
FR1304689A (en) Advanced Turbomolecular Vacuum Pump
FR1290239A (en) Vacuum pump
FR1306013A (en) Turbomolecular Vacuum Pumps Improvements
FR1297182A (en) Turbomolecular vacuum pump
FR1306750A (en) Improvements to mechanical vacuum pumps
FR1297218A (en) Vacuum pump improvements
FR1292657A (en) Advanced vacuum pumps
BE619944A (en) Advanced Turbomolecular Vacuum Pump
FR1387810A (en) Vacuum Switch Improvements
FR1301401A (en) Improvements to primary vacuum pumps
FR1333751A (en) Vacuum pump improvements
FR1311127A (en) Improvements to barrel pumps
FR1310598A (en) Vacuum pump
FR1284111A (en) Compressor improvements
CH407402A (en) Ion vacuum pump
FR1316718A (en) Vacuum pump improvements
FR1315448A (en) Vacuum cleaner
CH439571A (en) Vacuum pump
FR84320E (en) Turbomolecular Vacuum Pumps Improvements
FR1373475A (en) Vacuum pump improvements
FR1262025A (en) Improvements to diffusion vacuum pumps