IT1036316B - HERMETIC COMPRESSOR WITH HELICAL ROTORS - Google Patents

HERMETIC COMPRESSOR WITH HELICAL ROTORS

Info

Publication number
IT1036316B
IT1036316B IT68558/75A IT6855875A IT1036316B IT 1036316 B IT1036316 B IT 1036316B IT 68558/75 A IT68558/75 A IT 68558/75A IT 6855875 A IT6855875 A IT 6855875A IT 1036316 B IT1036316 B IT 1036316B
Authority
IT
Italy
Prior art keywords
hermetic compressor
helical rotors
rotors
helical
hermetic
Prior art date
Application number
IT68558/75A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1036316B publication Critical patent/IT1036316B/en

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)
IT68558/75A 1974-07-19 1975-06-17 HERMETIC COMPRESSOR WITH HELICAL ROTORS IT1036316B (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
IT1036316B true IT1036316B (en) 1979-10-30

Family

ID=23946882

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68558/75A IT1036316B (en) 1974-07-19 1975-06-17 HERMETIC COMPRESSOR WITH HELICAL ROTORS

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)

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US4181474A (en) * 1978-03-02 1980-01-01 Dunham-Bush, Inc. Vertical axis hermetic rotary helical screw compressor with improved rotary bearings and oil management
USRE30994E (en) * 1978-03-02 1982-07-13 Dunham-Bush, Inc. Vertical axis hermetic rotary helical screw compressor with improved rotary bearings and oil management
US4179248A (en) * 1978-08-02 1979-12-18 Dunham-Bush, Inc. Oil equalization system for parallel connected hermetic helical screw compressor units
US4396361A (en) * 1979-01-31 1983-08-02 Carrier Corporation Separation of lubricating oil from refrigerant gas in a reciprocating compressor
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US5184944A (en) * 1990-11-13 1993-02-09 Carrier Corporation Method and apparatus for changing lubricating oil in a rotary compressor
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US6186758B1 (en) * 1998-02-13 2001-02-13 David N. Shaw Multi-rotor helical-screw compressor with discharge side thrust balance device
DE19845993A1 (en) * 1998-10-06 2000-04-20 Bitzer Kuehlmaschinenbau Gmbh Screw compressor
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US6859019B2 (en) 2001-08-30 2005-02-22 Honeywell International, Inc. System and method for coupling rectifiers of an exciter to the rotor of a main generator
US6727634B2 (en) 2001-08-30 2004-04-27 Honeywell International, Inc. System and method for end turn retention on a high speed generator rotor
US6753637B2 (en) 2001-09-07 2004-06-22 Honeywell International, Inc. Exciter rotor assembly
US6791230B2 (en) 2001-09-07 2004-09-14 Honeywell International, Inc. System and method for retaining wedges in a rotor
US6734585B2 (en) 2001-11-16 2004-05-11 Honeywell International, Inc. Rotor end caps and a method of cooling a high speed generator
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
TW200406547A (en) * 2002-06-05 2004-05-01 Sanyo Electric Co Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method
WO2006085864A1 (en) * 2005-02-07 2006-08-17 Carrier Corporation Compressor terminal plate
WO2006111920A2 (en) * 2005-04-18 2006-10-26 Arcelik Anonim Sirketi A compressor
EP1967736B1 (en) * 2005-12-28 2016-09-14 Daikin Industries, Ltd. Compressor
JP2008019766A (en) * 2006-07-12 2008-01-31 Sanden Corp Motor-driven compressor
EP2113053B1 (en) * 2007-01-15 2015-08-19 LG Electronics Inc. Compressor and oil separating device therefor
WO2008088112A1 (en) * 2007-01-19 2008-07-24 Lg Electronics Inc. Compressor and oil blocking device therefor
KR100869929B1 (en) * 2007-02-23 2008-11-24 엘지전자 주식회사 Scroll compressor
KR100867623B1 (en) * 2007-03-21 2008-11-10 엘지전자 주식회사 Device for reducing vibration in compressor
KR100882481B1 (en) * 2007-04-25 2009-02-06 엘지전자 주식회사 Structure for feeding oil in scroll compressor
JP5197141B2 (en) * 2008-05-12 2013-05-15 株式会社神戸製鋼所 Two-stage screw compressor and refrigeration system
US8556598B2 (en) * 2010-11-02 2013-10-15 Danfoss Scroll Technologies Llc Sealed compressor with multiple compressor unit
PT105900A (en) 2011-09-23 2013-03-25 Active Space Technologies Actividades Aeroespaciais S A PASSIVE SOLAR MONITORING SYSTEM
BE1020312A3 (en) 2012-02-28 2013-07-02 Atlas Copco Airpower Nv COMPRESSOR DEVICE, AS WELL AS USE OF SUCH SET-UP.
BE1020311A3 (en) * 2012-02-28 2013-07-02 Atlas Copco Airpower Nv SCREW COMPRESSOR.
US11015602B2 (en) 2012-02-28 2021-05-25 Atlas Copco Airpower, Naamloze Vennootschap Screw compressor
US8970075B2 (en) * 2012-08-08 2015-03-03 Ac Propulsion, Inc. Liquid cooled electric motor
FR2997739B1 (en) 2012-11-07 2015-01-09 Thermodyn COMPRESSOR COMPRISING THRUST BALANCING
CN103557160B (en) * 2013-09-30 2017-08-01 广东美芝制冷设备有限公司 Vertical rotary compressor
US10487833B2 (en) 2013-12-18 2019-11-26 Carrier Corporation Method of improving compressor bearing reliability
JP6486217B2 (en) * 2015-06-23 2019-03-20 日立ジョンソンコントロールズ空調株式会社 Compressor and refrigeration cycle apparatus
DE102017100537A1 (en) 2016-09-21 2018-03-22 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Method for producing a housing of a screw compressor
CN110177918B (en) * 2017-01-11 2022-04-01 开利公司 Fluid machine with helical blade rotor
US11047387B2 (en) * 2017-09-27 2021-06-29 Johnson Controls Technology Company Rotor for a compressor
US20200325899A1 (en) * 2017-10-24 2020-10-15 Carrier Corporation Lubricant supply passage for compressor
CN109519383B (en) * 2018-12-31 2024-03-29 杭州久益机械股份有限公司 Vertical oil cooling integrated screw compressor and oil cooling method thereof
CN112483430A (en) * 2019-09-12 2021-03-12 开利公司 Centrifugal compressor and refrigeration device
EP4077945A2 (en) * 2019-12-17 2022-10-26 Johnson Controls Tyco IP Holdings LLP Lubricant system for a compressor
CN112229084B (en) * 2020-10-26 2022-05-17 珠海格力节能环保制冷技术研究中心有限公司 Multistage compressor, electric appliance and control method
BE1029627B1 (en) * 2021-08-12 2023-07-14 Atlas Copco Airpower Nv COMPRESSOR ASSEMBLY
KR20240039197A (en) * 2021-08-12 2024-03-26 아틀라스 캅코 에어파워, 남로체 벤누트삽 compressor assembly
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Also Published As

Publication number Publication date
JPS5120109A (en) 1976-02-18
FR2278955A1 (en) 1976-02-13
US3922114A (en) 1975-11-25
SE7507553L (en) 1976-01-20
DE2529317C2 (en) 1987-08-20
SE399304B (en) 1978-02-06
ZA753525B (en) 1976-04-28
CA1002017A (en) 1976-12-21
FR2278955B1 (en) 1979-03-16
BR7504147A (en) 1976-08-03
DE2529317A1 (en) 1976-04-01
AU8259775A (en) 1977-01-06
GB1467573A (en) 1977-03-16
JPS5749757B2 (en) 1982-10-23

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