FR2381983A1 - Disposition pour le recyclage continu de l'huile sur une machine frigorifique a plusieurs etages a compression par pistons alternatifs - Google Patents

Disposition pour le recyclage continu de l'huile sur une machine frigorifique a plusieurs etages a compression par pistons alternatifs

Info

Publication number
FR2381983A1
FR2381983A1 FR7801546A FR7801546A FR2381983A1 FR 2381983 A1 FR2381983 A1 FR 2381983A1 FR 7801546 A FR7801546 A FR 7801546A FR 7801546 A FR7801546 A FR 7801546A FR 2381983 A1 FR2381983 A1 FR 2381983A1
Authority
FR
France
Prior art keywords
oil
crankcase
refrigerator
pump
stage
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
FR7801546A
Other languages
English (en)
French (fr)
Other versions
FR2381983B1 (de
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.)
Luft und Kaeltetechnik VEB
Original Assignee
Luft und Kaeltetechnik VEB
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 Luft und Kaeltetechnik VEB filed Critical Luft und Kaeltetechnik VEB
Publication of FR2381983A1 publication Critical patent/FR2381983A1/fr
Application granted granted Critical
Publication of FR2381983B1 publication Critical patent/FR2381983B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/128—Crankcases
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/02—Lubrication
    • F04B39/0207—Lubrication with lubrication control systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements
    • F25B31/002—Lubrication
    • F25B31/004—Lubrication oil recirculating arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compressor (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
FR7801546A 1977-02-28 1978-01-19 Disposition pour le recyclage continu de l'huile sur une machine frigorifique a plusieurs etages a compression par pistons alternatifs Granted FR2381983A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD19759177A DD131288A1 (de) 1977-02-28 1977-02-28 Steuereinrichtung zur oelrueckfuehrung an einer mehrstu

Publications (2)

Publication Number Publication Date
FR2381983A1 true FR2381983A1 (fr) 1978-09-22
FR2381983B1 FR2381983B1 (de) 1983-01-07

Family

ID=5507505

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7801546A Granted FR2381983A1 (fr) 1977-02-28 1978-01-19 Disposition pour le recyclage continu de l'huile sur une machine frigorifique a plusieurs etages a compression par pistons alternatifs

Country Status (3)

Country Link
DD (1) DD131288A1 (de)
DE (1) DE2756554A1 (de)
FR (1) FR2381983A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2456233A1 (fr) * 1979-05-10 1980-12-05 Carrier Corp Circuit de retour d'huile, notamment pour le compresseur d'une installation de refrigeration
EP0478939A2 (de) * 1990-10-03 1992-04-08 ING. ENEA MATTEI S.p.A. Zweistufiger Drehkolbenkompressor für Kälteanlagen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015371A (en) * 1959-06-15 1962-01-02 Gits Bros Mfg Co Level regulator
FR1296759A (fr) * 1961-05-25 1962-06-22 Veb Zek Dispositif pour la mise en marche sous charge réduite et le branchement à vide de compresseurs à pistons
FR2172738A5 (de) * 1972-02-16 1973-09-28 Luft U Kaeltetechnik Veb K

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015371A (en) * 1959-06-15 1962-01-02 Gits Bros Mfg Co Level regulator
FR1296759A (fr) * 1961-05-25 1962-06-22 Veb Zek Dispositif pour la mise en marche sous charge réduite et le branchement à vide de compresseurs à pistons
FR2172738A5 (de) * 1972-02-16 1973-09-28 Luft U Kaeltetechnik Veb K

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2456233A1 (fr) * 1979-05-10 1980-12-05 Carrier Corp Circuit de retour d'huile, notamment pour le compresseur d'une installation de refrigeration
EP0478939A2 (de) * 1990-10-03 1992-04-08 ING. ENEA MATTEI S.p.A. Zweistufiger Drehkolbenkompressor für Kälteanlagen
EP0478939A3 (en) * 1990-10-03 1992-04-22 Ing. Enea Mattei S.P.A. Two-stage rotary compressor for refrigerating plants

Also Published As

Publication number Publication date
FR2381983B1 (de) 1983-01-07
DD131288A1 (de) 1978-06-14
DE2756554A1 (de) 1978-08-31

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Legal Events

Date Code Title Description
ST Notification of lapse