CA995475A - 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
CA995475A
CA995475A CA219,456A CA219456A CA995475A CA 995475 A CA995475 A CA 995475A CA 219456 A CA219456 A CA 219456A CA 995475 A CA995475 A CA 995475A
Authority
CA
Canada
Prior art keywords
electric motor
liquid refrigerant
injection system
motor driven
screw compressor
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.)
Expired
Application number
CA219,456A
Other languages
French (fr)
Inventor
Harold W. Moody (Jr.)
Clark B. Hamilton
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.)
DUNHAM-BUSH
Original Assignee
DUNHAM-BUSH
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 filed Critical DUNHAM-BUSH
Application granted granted Critical
Publication of CA995475A publication Critical patent/CA995475A/en
Expired legal-status Critical Current

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)
CA219,456A 1974-05-30 1975-02-05 Liquid refrigerant injection system for hermetic electric motor driven helical screw compressor Expired CA995475A (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
CA995475A true CA995475A (en) 1976-08-24

Family

ID=23884363

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219,456A Expired CA995475A (en) 1974-05-30 1975-02-05 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)

Cited By (1)

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CN110017631A (en) * 2019-04-03 2019-07-16 庆安集团有限公司 A kind of cooling device and its refrigeration system for compressor electric motor

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CN103532308B (en) * 2013-10-30 2016-03-23 吴家伟 A kind of refrigerant liquid cooling motor partly seal helical-lobe compressor
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110017631A (en) * 2019-04-03 2019-07-16 庆安集团有限公司 A kind of cooling device and its refrigeration system for compressor electric motor
CN110017631B (en) * 2019-04-03 2021-08-03 庆安集团有限公司 Cooling device for compressor motor and refrigerating system thereof

Also Published As

Publication number Publication date
IT1030237B (en) 1979-03-30
BR7501202A (en) 1976-04-20
JPS50153344A (en) 1975-12-10
US3913346A (en) 1975-10-21
DE2508417A1 (en) 1975-12-11
JPS5755111B2 (en) 1982-11-22
GB1459721A (en) 1976-12-31
FR2273242A1 (en) 1975-12-26
FR2273242B1 (en) 1979-02-09
SE409133B (en) 1979-07-30
AU7831075A (en) 1976-08-19
DE2508417C2 (en) 1986-06-05
SE7502284L (en) 1975-12-01
ZA75796B (en) 1976-01-28

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