BE463143A - - Google Patents
Info
- Publication number
- BE463143A BE463143A BE463143DA BE463143A BE 463143 A BE463143 A BE 463143A BE 463143D A BE463143D A BE 463143DA BE 463143 A BE463143 A BE 463143A
- Authority
- BE
- Belgium
- Prior art keywords
- switch
- liquid
- elements
- expandable
- tubes
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001374 Invar Inorganic materials 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
- F22D5/14—Controlling water feed or water level; Automatic water feeding or water-level regulators responsive to thermal expansion and contraction, e.g. of solid elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
- G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
- G01F23/247—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels
- G01F23/248—Constructional details; Mounting of probes
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Temperature (AREA)
- Control Of Resistance Heating (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE463143A true BE463143A (enExample) |
Family
ID=115351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE463143D BE463143A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE463143A (enExample) |
-
0
- BE BE463143D patent/BE463143A/fr unknown
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