FR2470374A3 - Dispositif sensible a la difference entre la pression de lubrification et la pression dans le reservoir d'huile dans un compresseur pour fluides refrigerants - Google Patents

Dispositif sensible a la difference entre la pression de lubrification et la pression dans le reservoir d'huile dans un compresseur pour fluides refrigerants Download PDF

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Publication number
FR2470374A3
FR2470374A3 FR7928737A FR7928737A FR2470374A3 FR 2470374 A3 FR2470374 A3 FR 2470374A3 FR 7928737 A FR7928737 A FR 7928737A FR 7928737 A FR7928737 A FR 7928737A FR 2470374 A3 FR2470374 A3 FR 2470374A3
Authority
FR
France
Prior art keywords
pressure
differential pressure
piston
compressor
magnet
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.)
Granted
Application number
FR7928737A
Other languages
English (en)
French (fr)
Other versions
FR2470374B3 (enExample
Inventor
Federico Richelli
Gaspare La Monica
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAMIFI BABCOCK SAMIFI INTERNAL
Original Assignee
SAMIFI BABCOCK SAMIFI INTERNAL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SAMIFI BABCOCK SAMIFI INTERNAL filed Critical SAMIFI BABCOCK SAMIFI INTERNAL
Priority to FR7928737A priority Critical patent/FR2470374A3/fr
Priority to DE19803043645 priority patent/DE3043645A1/de
Priority to IT26128/80A priority patent/IT1134391B/it
Publication of FR2470374A3 publication Critical patent/FR2470374A3/fr
Application granted granted Critical
Publication of FR2470374B3 publication Critical patent/FR2470374B3/fr
Granted legal-status Critical Current

Links

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)
FR7928737A 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 Granted FR2470374A3 (fr)

Priority Applications (3)

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
DE19803043645 DE3043645A1 (de) 1979-11-21 1980-11-19 Gegen den unterschied zwischen dem schmierdruck und dem druck im oelbehaelter eines kompressors fuer fluessige kuehlmittel empfindliche vorrichtung
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

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
FR2470374A3 true FR2470374A3 (fr) 1981-05-29
FR2470374B3 FR2470374B3 (enExample) 1981-10-16

Family

ID=9231955

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7928737A Granted 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

Country Status (3)

Country Link
DE (1) DE3043645A1 (enExample)
FR (1) FR2470374A3 (enExample)
IT (1) IT1134391B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0119038A1 (en) * 1983-03-03 1984-09-19 Fluid Devices Limited A pressure transducer
US4613851A (en) * 1984-10-23 1986-09-23 Tap-Rite Products Corp. Remote pressure-indicating means

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551069A (en) * 1984-03-14 1985-11-05 Copeland Corporation Integral oil pressure sensor
DE19805138B4 (de) * 1998-02-09 2006-07-06 Kriwan Industrie-Elektronik Gmbh Differenzdruckschalter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0119038A1 (en) * 1983-03-03 1984-09-19 Fluid Devices Limited A pressure transducer
US4613851A (en) * 1984-10-23 1986-09-23 Tap-Rite Products Corp. Remote pressure-indicating means

Also Published As

Publication number Publication date
IT8026128A0 (it) 1980-11-20
FR2470374B3 (enExample) 1981-10-16
IT1134391B (it) 1986-08-13
DE3043645A1 (de) 1981-08-27

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