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VMDI VIDE MOLECULAIRE DANS IND
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VMDI VIDE MOLECULAIRE DANS IND
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Application filed by VMDI VIDE MOLECULAIRE DANS INDfiledCriticalVMDI VIDE MOLECULAIRE DANS IND
Priority to FR7440123ApriorityCriticalpatent/FR2293609A1/fr
Publication of FR2293609A1publicationCriticalpatent/FR2293609A1/fr
Application grantedgrantedCritical
Publication of FR2293609B1publicationCriticalpatent/FR2293609B1/fr
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
F04B37/06—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means
F04B37/08—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means by condensing or freezing, e.g. cryogenic pumps
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
General Engineering & Computer Science
(AREA)
Containers, Films, And Cooling For Superconductive Devices
(AREA)
FR7440123A1974-12-061974-12-06Piege cryogenique perfectionne a double etage
GrantedFR2293609A1
(fr)