NL73801C - - Google Patents
Info
- Publication number
- NL73801C NL73801C NL73801DA NL73801C NL 73801 C NL73801 C NL 73801C NL 73801D A NL73801D A NL 73801DA NL 73801 C NL73801 C NL 73801C
- Authority
- NL
- Netherlands
Links
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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
-
- 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
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/14—Multi-stage pumps with means for changing the flow-path through the stages, e.g. series-parallel, e.g. side-loads
-
- 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
- F04D19/028—Layout of fluid flow through the stages
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH815373X | 1949-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL73801C true NL73801C (en:Method) | 1952-03-15 |
Family
ID=4538900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL73801D NL73801C (en:Method) | 1949-01-14 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH269887A (en:Method) |
| DE (1) | DE815373C (en:Method) |
| NL (1) | NL73801C (en:Method) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE375667C (de) * | 1922-05-27 | 1923-05-17 | Kuehnle Kopp Kausch Ag | Verfahren zum Betriebe mehrerer Geblaesegruppen oder Einzelstufen mit unveraenderlicher Umdrehungszahl |
-
0
- NL NL73801D patent/NL73801C/xx active
-
1949
- 1949-01-14 CH CH269887D patent/CH269887A/de unknown
- 1949-12-28 DE DEE454A patent/DE815373C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE815373C (de) | 1951-10-01 |
| CH269887A (de) | 1950-07-31 |