CA1002017A - Hermetic rotary helical screw compressor with improved oil management - Google Patents

Hermetic rotary helical screw compressor with improved oil management

Info

Publication number
CA1002017A
CA1002017A CA227,977A CA227977A CA1002017A CA 1002017 A CA1002017 A CA 1002017A CA 227977 A CA227977 A CA 227977A CA 1002017 A CA1002017 A CA 1002017A
Authority
CA
Canada
Prior art keywords
screw compressor
helical screw
improved oil
hermetic rotary
oil management
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
CA227,977A
Inventor
Clark B. Hamilton
Harold W. Moody (Jr.)
Donald D. Schaefer
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 CA1002017A publication Critical patent/CA1002017A/en
Expired 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
    • 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
    • F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • 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
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F04C2240/51—Bearings for cantilever assemblies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps
    • Y10S417/902—Hermetically sealed motor pump unit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S418/00—Rotary expansible chamber devices
    • Y10S418/01—Non-working fluid separation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary-Type Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA227,977A 1974-07-19 1975-05-28 Hermetic rotary helical screw compressor with improved oil management Expired CA1002017A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US490169A US3922114A (en) 1974-07-19 1974-07-19 Hermetic rotary helical screw compressor with improved oil management

Publications (1)

Publication Number Publication Date
CA1002017A true CA1002017A (en) 1976-12-21

Family

ID=23946882

Family Applications (1)

Application Number Title Priority Date Filing Date
CA227,977A Expired CA1002017A (en) 1974-07-19 1975-05-28 Hermetic rotary helical screw compressor with improved oil management

Country Status (10)

Country Link
US (1) US3922114A (en)
JP (1) JPS5749757B2 (en)
BR (1) BR7504147A (en)
CA (1) CA1002017A (en)
DE (1) DE2529317A1 (en)
FR (1) FR2278955A1 (en)
GB (1) GB1467573A (en)
IT (1) IT1036316B (en)
SE (1) SE399304B (en)
ZA (1) ZA753525B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110177918A (en) * 2017-01-11 2019-08-27 开利公司 Fluid machinery with helical-blade rotor

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US6634870B2 (en) * 2002-01-03 2003-10-21 Tecumseh Products Company Hermetic compressor having improved motor cooling
KR100425741B1 (en) * 2002-04-16 2004-04-01 엘지전자 주식회사 Structure for reducing loss of gas flow in compressor
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110177918A (en) * 2017-01-11 2019-08-27 开利公司 Fluid machinery with helical-blade rotor
CN110177918B (en) * 2017-01-11 2022-04-01 开利公司 Fluid machine with helical blade rotor

Also Published As

Publication number Publication date
GB1467573A (en) 1977-03-16
US3922114A (en) 1975-11-25
FR2278955A1 (en) 1976-02-13
FR2278955B1 (en) 1979-03-16
SE399304B (en) 1978-02-06
AU8259775A (en) 1977-01-06
BR7504147A (en) 1976-08-03
JPS5749757B2 (en) 1982-10-23
IT1036316B (en) 1979-10-30
ZA753525B (en) 1976-04-28
DE2529317A1 (en) 1976-04-01
SE7507553L (en) 1976-01-20
DE2529317C2 (en) 1987-08-20
JPS5120109A (en) 1976-02-18

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