DE278651C - - Google Patents
Info
- Publication number
- DE278651C DE278651C DENDAT278651D DE278651DA DE278651C DE 278651 C DE278651 C DE 278651C DE NDAT278651 D DENDAT278651 D DE NDAT278651D DE 278651D A DE278651D A DE 278651DA DE 278651 C DE278651 C DE 278651C
- Authority
- DE
- Germany
- Prior art keywords
- lever
- mercury
- pressure
- switching
- tubes
- 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.)
- Active
Links
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 8
- 229910052753 mercury Inorganic materials 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims 1
- 241000182341 Cubitermes group Species 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/36—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by curled flexible tube, e.g. Bourdon tube
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
- H02P9/16—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of ohmic resistance in field circuit, using resistances switched in or out of circuit step by step
- H02P9/18—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of ohmic resistance in field circuit, using resistances switched in or out of circuit step by step the switching being caused by a servomotor, measuring instrument, or relay
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Press Drives And Press Lines (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE278651C true DE278651C (enrdf_load_html_response) |
Family
ID=534633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT278651D Active DE278651C (enrdf_load_html_response) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE278651C (enrdf_load_html_response) |
-
0
- DE DENDAT278651D patent/DE278651C/de active Active
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