NL45601C - - Google Patents
Info
- Publication number
- NL45601C NL45601C NL45601DA NL45601C NL 45601 C NL45601 C NL 45601C NL 45601D A NL45601D A NL 45601DA NL 45601 C NL45601 C NL 45601C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/385—Exhausting vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/168—Pumps specially adapted to produce a vacuum
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
- H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB18762/36A GB482884A (en) | 1936-07-06 | 1936-07-06 | Improved process and apparatus for producing high vacuum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL45601C true NL45601C (en) |
Family
ID=10117956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL45601D NL45601C (en) | 1936-07-06 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2160863A (en) |
| GB (1) | GB482884A (en) |
| NL (1) | NL45601C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2636664A (en) * | 1949-01-28 | 1953-04-28 | Hertzler Elmer Afton | High vacuum pumping method, apparatus, and techniques |
| US2757840A (en) * | 1952-07-18 | 1956-08-07 | Leitz Ernst Gmbh | Method of and apparatus for evacuating vessels |
| US2808980A (en) * | 1953-09-23 | 1957-10-08 | Westinghouse Electric Corp | Electrical vacuum pump |
| DE1046249B (en) * | 1956-04-05 | 1958-12-11 | Dr Gerhard Fricke | Method and device for generating a high vacuum |
| US3210915A (en) * | 1961-03-29 | 1965-10-12 | Bendix Balzers Vacuum Inc | Sorption pump for pumping off gases and vapors |
| JPS6419198A (en) * | 1987-07-15 | 1989-01-23 | Hitachi Ltd | Vacuum pump |
-
0
- NL NL45601D patent/NL45601C/xx active
-
1936
- 1936-07-06 GB GB18762/36A patent/GB482884A/en not_active Expired
-
1937
- 1937-06-10 US US147514A patent/US2160863A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2160863A (en) | 1939-06-06 |
| GB482884A (en) | 1938-04-06 |