ZA75796B - Liquid refrigerant injection system for hermetic electric motor driven helical screw compressor - Google Patents

Liquid refrigerant injection system for hermetic electric motor driven helical screw compressor

Info

Publication number
ZA75796B
ZA75796B ZA00750796A ZA75796A ZA75796B ZA 75796 B ZA75796 B ZA 75796B ZA 00750796 A ZA00750796 A ZA 00750796A ZA 75796 A ZA75796 A ZA 75796A ZA 75796 B ZA75796 B ZA 75796B
Authority
ZA
South Africa
Prior art keywords
electric motor
liquid refrigerant
injection system
motor driven
screw compressor
Prior art date
Application number
ZA00750796A
Inventor
C Hamilton
H Moody
Original Assignee
Dunham Bush Inc
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 Dunham Bush Inc filed Critical Dunham Bush Inc
Publication of ZA75796B publication Critical patent/ZA75796B/en

Links

Classifications

    • 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
    • F25B31/006—Cooling of compressor or motor
    • F25B31/008—Cooling of compressor or motor by injecting a liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
    • F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/13—Economisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary-Type Compressors (AREA)
ZA00750796A 1974-05-30 1975-02-07 Liquid refrigerant injection system for hermetic electric motor driven helical screw compressor ZA75796B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US474629A US3913346A (en) 1974-05-30 1974-05-30 Liquid refrigerant injection system for hermetic electric motor driven helical screw compressor

Publications (1)

Publication Number Publication Date
ZA75796B true ZA75796B (en) 1976-01-28

Family

ID=23884363

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00750796A ZA75796B (en) 1974-05-30 1975-02-07 Liquid refrigerant injection system for hermetic electric motor driven helical screw compressor

Country Status (10)

Country Link
US (1) US3913346A (en)
JP (1) JPS5755111B2 (en)
BR (1) BR7501202A (en)
CA (1) CA995475A (en)
DE (1) DE2508417C2 (en)
FR (1) FR2273242B1 (en)
GB (1) GB1459721A (en)
IT (1) IT1030237B (en)
SE (1) SE409133B (en)
ZA (1) ZA75796B (en)

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Also Published As

Publication number Publication date
GB1459721A (en) 1976-12-31
BR7501202A (en) 1976-04-20
SE409133B (en) 1979-07-30
AU7831075A (en) 1976-08-19
CA995475A (en) 1976-08-24
FR2273242A1 (en) 1975-12-26
DE2508417C2 (en) 1986-06-05
DE2508417A1 (en) 1975-12-11
JPS5755111B2 (en) 1982-11-22
FR2273242B1 (en) 1979-02-09
JPS50153344A (en) 1975-12-10
US3913346A (en) 1975-10-21
SE7502284L (en) 1975-12-01
IT1030237B (en) 1979-03-30

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