IT8026128A0 - Dispositivo sensibile alla differenza fra la pressione di lubrificazione e la pressione, nel serbatoio, dell'olio, inuncompressore per fluidi frigorigeni. - Google Patents
Dispositivo sensibile alla differenza fra la pressione di lubrificazione e la pressione, nel serbatoio, dell'olio, inuncompressore per fluidi frigorigeni.Info
- Publication number
- IT8026128A0 IT8026128A0 IT8026128A IT2612880A IT8026128A0 IT 8026128 A0 IT8026128 A0 IT 8026128A0 IT 8026128 A IT8026128 A IT 8026128A IT 2612880 A IT2612880 A IT 2612880A IT 8026128 A0 IT8026128 A0 IT 8026128A0
- Authority
- IT
- Italy
- Prior art keywords
- pressure
- refrigerants
- compressor
- tank
- oil
- Prior art date
Links
- 238000005461 lubrication Methods 0.000 title 1
- 239000003507 refrigerant Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/18—Indicating or safety devices
- F01M1/20—Indicating or safety devices concerning lubricant pressure
- F01M1/22—Indicating or safety devices concerning lubricant pressure rendering machines or engines inoperative or idling on pressure failure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/04—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/16—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of pistons
- G01L7/166—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of pistons with mechanical transmitting or indicating means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7928737A FR2470374A3 (fr) | 1979-11-21 | 1979-11-21 | Dispositif sensible a la difference entre la pression de lubrification et la pression dans le reservoir d'huile dans un compresseur pour fluides refrigerants |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8026128A0 true IT8026128A0 (it) | 1980-11-20 |
| IT1134391B IT1134391B (it) | 1986-08-13 |
Family
ID=9231955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT26128/80A IT1134391B (it) | 1979-11-21 | 1980-11-20 | Dispositivo sensibile alla differenza fra la pressione di lubrificazione e la pressione,nel serbatoio,dell'olio,inun compressore per fluidi frigorigeni |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3043645A1 (it) |
| FR (1) | FR2470374A3 (it) |
| IT (1) | IT1134391B (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8305927D0 (en) * | 1983-03-03 | 1983-04-07 | Fluid Devices Ltd | Differential pressure gauge |
| US4551069A (en) * | 1984-03-14 | 1985-11-05 | Copeland Corporation | Integral oil pressure sensor |
| US4613851A (en) * | 1984-10-23 | 1986-09-23 | Tap-Rite Products Corp. | Remote pressure-indicating means |
| DE19805138B4 (de) * | 1998-02-09 | 2006-07-06 | Kriwan Industrie-Elektronik Gmbh | Differenzdruckschalter |
-
1979
- 1979-11-21 FR FR7928737A patent/FR2470374A3/fr active Granted
-
1980
- 1980-11-19 DE DE19803043645 patent/DE3043645A1/de not_active Ceased
- 1980-11-20 IT IT26128/80A patent/IT1134391B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE3043645A1 (de) | 1981-08-27 |
| IT1134391B (it) | 1986-08-13 |
| FR2470374A3 (fr) | 1981-05-29 |
| FR2470374B3 (it) | 1981-10-16 |
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