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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
Application number
IT8026128A
Other languages
English (en)
Other versions
IT1134391B (it
Inventor
Federico Richelli
Gaspare La Monica
Original Assignee
Babcock Samifi Sa
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 Babcock Samifi Sa filed Critical Babcock Samifi Sa
Publication of IT8026128A0 publication Critical patent/IT8026128A0/it
Application granted granted Critical
Publication of IT1134391B publication Critical patent/IT1134391B/it

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details 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
    • G01L19/08Means for indicating or recording, e.g. for remote indication
    • G01L19/12Alarms or signals
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/18Indicating or safety devices
    • F01M1/20Indicating or safety devices concerning lubricant pressure
    • F01M1/22Indicating or safety devices concerning lubricant pressure rendering machines or engines inoperative or idling on pressure failure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, 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
    • F04B49/10Other safety measures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N29/00Special 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
    • F16N29/04Special 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/16Measuring 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
    • G01L7/166Measuring 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)
  • Control Of Positive-Displacement Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
IT26128/80A 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 IT1134391B (it)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE3043645A1 (de) 1981-08-27
FR2470374A3 (fr) 1981-05-29
IT1134391B (it) 1986-08-13
FR2470374B3 (it) 1981-10-16

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