AT201536B - Blading for drilling turbines - Google Patents
Blading for drilling turbinesInfo
- Publication number
- AT201536B AT201536B AT201536DA AT201536B AT 201536 B AT201536 B AT 201536B AT 201536D A AT201536D A AT 201536DA AT 201536 B AT201536 B AT 201536B
- Authority
- AT
- Austria
- Prior art keywords
- blading
- turbines
- drilling
- drilling turbines
- properties
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title claims description 5
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Description
<Desc/Clms Page number 1>
Beschaufelung für Bohrturbinen
EMI1.1
von B, ohrturbinen.die Verwendung des Kunststoffes für die Turbinenräder der genannten Maschinen einzig und allein in seinen Eigenschaften als einfach und billig verarbeiubarer Werkstoff begründet.
Erfindungsgemäss ausgebildete Turbinenschaufeln haben bei Bohrturbinen die Vorteile, dass sie die Herstellung sehr glatter Oberflächen ohne Schwierigkeiten gestatten und gegenüber der Arbeitsflüssigkeit ein vorteilhafteres Verhalten als Stahl und Gusseisen zeigen. Die Kunststoffe haben nämlich bezüglich ihrer Benetzbarkeit und der übrigen physikalischen Oberflächenkräfte (Kohäsion) wesentlich günstigere Eigenschaften als Stahl. Aus diesem Material werden also die Turbinenschaufeln nicht nur spiegelglatt, sondern haben ausserdem Eigenschaften, die den Reibungswert stark heruntersetzen. Versuche haben ergeben, dass sich die bisherigen Bohrturbinenwirkungsgrade, welche etwa'bei 50-60"/o lagen, mit Schaufeln aus Kunststoff auf 70% und mehr erhöht haben.
Die Versuche haben ausserdem ergeben, dass diese'Kunststoffe in ihren Festigkeitseigenschaf- ten vollkommen ausreichen, um ohne grössere AblweichungvonderbisherigenSchaufelform derartige Turbinen zu ! bauen.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Blading for drilling turbines
EMI1.1
von B, ohrturbinen.die use of the plastic for the turbine wheels of the machines mentioned is based solely on its properties as a material that can be processed easily and cheaply.
Turbine blades designed according to the invention have the advantages in drilling turbines that they allow very smooth surfaces to be produced without difficulty and that they behave more advantageously than steel and cast iron with respect to the working fluid. In terms of their wettability and the other physical surface forces (cohesion), plastics have much more favorable properties than steel. The turbine blades are not only made of this material as smooth as a mirror, they also have properties that greatly reduce the coefficient of friction. Tests have shown that the previous drilling turbine efficiencies, which were around 50-60 "/ o, have increased to 70% and more with blades made of plastic.
The tests have also shown that these plastics are completely sufficient in terms of their strength properties to make turbines of this type without major deviations from the previous blade shape! to build.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201536X | 1956-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT201536B true AT201536B (en) | 1959-01-10 |
Family
ID=5766739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT201536D AT201536B (en) | 1956-10-01 | 1957-07-26 | Blading for drilling turbines |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT201536B (en) |
-
1957
- 1957-07-26 AT AT201536D patent/AT201536B/en active
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