EP1498608A1 - Compresseur comprenant une unité de lubrification par huile - Google Patents

Compresseur comprenant une unité de lubrification par huile Download PDF

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Publication number
EP1498608A1
EP1498608A1 EP04016512A EP04016512A EP1498608A1 EP 1498608 A1 EP1498608 A1 EP 1498608A1 EP 04016512 A EP04016512 A EP 04016512A EP 04016512 A EP04016512 A EP 04016512A EP 1498608 A1 EP1498608 A1 EP 1498608A1
Authority
EP
European Patent Office
Prior art keywords
lubricating oil
drive shaft
compressor
sensor
compressor according
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
EP04016512A
Other languages
German (de)
English (en)
Other versions
EP1498608B1 (fr
Inventor
Helmut Barowsky
Wolfgang Ullrich
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.)
Bitzer Kuehlmaschinenbau GmbH and Co KG
Original Assignee
Bitzer Kuehlmaschinenbau GmbH and Co KG
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 Bitzer Kuehlmaschinenbau GmbH and Co KG filed Critical Bitzer Kuehlmaschinenbau GmbH and Co KG
Priority to PL04016512T priority Critical patent/PL1498608T3/pl
Priority to SI200430053T priority patent/SI1498608T1/sl
Publication of EP1498608A1 publication Critical patent/EP1498608A1/fr
Application granted granted Critical
Publication of EP1498608B1 publication Critical patent/EP1498608B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04B39/02—Lubrication
    • F04B39/0207—Lubrication with lubrication control systems
    • 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
    • F04B39/0223—Lubrication characterised by the compressor type
    • F04B39/023—Hermetic compressors
    • F04B39/0238—Hermetic compressors with oil distribution channels
    • F04B39/0246—Hermetic compressors with oil distribution channels in the rotating shaft
    • 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
    • F04B39/0284—Constructional details, e.g. reservoirs in the casing

Definitions

  • the invention relates to a compressor for gaseous media, in particular Refrigerant, comprising a housing, a drive shaft mounted in the housing, at least one disposed in the housing and from the drive shaft driven compressor unit and an oil lubrication device, with which Bearings of the drive shaft, can be supplied with lubricating oil.
  • the sensor is particularly easy and reliable to train when the Sensor is designed as a sensor in contact with lubricating oil.
  • Such a responsive to contact with lubricating oil sensor can in be formed in a variety of ways.
  • thermocouple form which is cooled in contact with lubricating oil itself but heats up when there is no longer any contact with the lubricating oil.
  • the senor could only be used if the operational unstable operating conditions in which the oil lubrication device temporarily not working, no longer occur.
  • Particularly simple such a lubricating oil monitoring can also for Then use monitoring of operationally unstable operating conditions if the lubricating oil monitor then a lubricating oil shortage detects when the sensor assigned to the lubricating oil reservoir via a no lubrication oil is detected for a certain period of time.
  • this can bridge the start-up phase of the compressor, in which initially the lubricating oil reservoir can be empty and the Lubricating oil conveyor insufficient lubricating oil in the lubricating oil reservoir promotes.
  • This phase can be determined by setting a specific Period during which a lubricating oil deficiency may occur and which Switch off the compressor must be exceeded, involved so that when the lubricating oil shortage less time to complete takes as the specified period, no shutdown of the compressor takes place.
  • Particularly advantageous lubrication can then monitor when the Sensor is assigned to the lubricating oil reservoir so that this one determined level of a lubricating oil bath in the lubricating oil reservoir detected.
  • By maintaining a lubricating oil bath in the lubricating oil storage room can also provide sufficient lubricating oil for short-term lack of functionality Lubricating oil supply provided to the lubrication essentially always uphold.
  • the level to be detected by the sensor the lubricating oil bath is set in the lubricating oil reservoir so that this is above the provided on the drive shaft inlet for lubricating oil, so that at the inlet always lubricating oil free of air or gases becomes.
  • the lubricating oil in the lubricating oil reservoir substantially free of pressurization enters the inlet, so that no action is necessary, around pressurized lubricating oil for the lubricating oil channel system available to deliver.
  • the lubricating oil channel system is designed in this case, that this with rotating drive shaft due to the centrifugal lubricating oil from the inlet to the storage locations to be supplied.
  • the drive shaft is only sufficient to allow the drive shaft to rotate around the bearings sufficiently To lubricate the circumference.
  • the lubricating oil reservoir is in the range of one Housing wall arranged, to which the drive shaft is adjacent, so that no elaborate design measures for ensuring the function of Oil lubrication device are required.
  • lubricating oil conveyor as a screw conveyor or be designed any type of funding for lubricating oil.
  • a particularly favorable solution provides that the Schmierölaniinnate includes a blast wheel.
  • Such a blast wheel can be structurally particularly simple on the Mount the drive shaft and rotates with the drive shaft, with the Blower wheel immersed in the oil sump near the bottom of the housing to hurl the oil from the sump into areas above it, especially on a wall to spin, from which the oil in the lubricating oil reservoir can run into it.
  • An embodiment of a compressor according to the invention for refrigerants shown in Fig. 1, comprises a housing 10 having a motor portion 12 and a compressor section 14.
  • the housing 10 extends in the direction of a longitudinal axis 16 and is in the range of his Motor section 12 with a housing cover 18 and in the region of the compressor section 14 closed with a housing cover 20.
  • compressor section 14 In the compressor section 14 are a plurality of compressor units 22, for example each comprising a cylinder 24 and a movable in this Piston 28, provided by a common through the compressor section 14 and the motor portion 12 extending drive shaft 30th are drivable.
  • a rotor 34 of a designated as a whole with 36 Motors and in the motor portion 12 of the housing 10 sits a rotor surrounding stator 38 of the motor 36, so that the rotor 34 directly the Drive shaft 30 drives.
  • the drive shaft 30 includes with it in the compressor section 14th extending portion 40 drive elements 42, for example formed in Form of eccentrics on which connecting rods 44 are located.
  • the bearing of the drive shaft in the housing 10 on the one hand by a between the motor section 12 and the compressor section 14 sitting on the housing 10th molded bearing body 46, which the drive shaft 30 in the region of Central portion 48 stores, between the in the motor section 12th extending portion 32 of the drive shaft 30 and the compressor section 14 extending portion 40 of the drive shaft 30 is located.
  • the storage of the drive shaft 30 takes place in a further end the drive shaft 30 arranged bearing body 50, to the compressor section 14 closing housing cover 20 is formed and a housing cover 20 facing end portion 52 of the drive shaft receives.
  • the drive shaft 30 For lubricating the rotating in the bearing body 46 central portion 48th and the end portion 52 rotating in the bearing body 50
  • Drive shaft and for lubricating the on the drive elements 42nd seated connecting rod 44 is the drive shaft 30 with a 60 as a whole designated lubricating oil channel system provided, which in axial Direction of the drive shaft 30 extending central lubricating oil passage 62nd and from this branching branch channels 64 includes, for example, branch channels 64 for lubricating the rotating in the bearing body 46 central portion 48 of the drive shaft 30, a branch channel 66 for lubrication of in the bearing body 50 rotating end portion 52 of the drive shaft 30th and branch channels 68 for lubricating the on the drive elements 42nd seated connecting rod 44.
  • All of these branch channels 64 to 68 are radially opposite the central lubricant channel 62 outer orifices 70, so that upon rotation of the Drive shaft 30 in the lubricating oil passage system 60 existing lubricating oil in Direction of the mouth openings 70 flows.
  • the supply of the lubricating oil channel system 60 via an inlet 72, at one of the housing cover 20 facing end face 74 of the end portion 52 of the drive shaft 30, preferably coaxial with the drive shaft 30th is arranged.
  • the end face 74 of the drive shaft 30 is preferably located on a housing cover 20 facing side of the bearing body 50th supported end portion 52 of the drive shaft 30 and adjacent to a Lube oil reservoir 80, which, as shown enlarged in Fig.
  • a sensor 90 associated with which cooperates with a lubricating oil monitoring device 92, the Engine 36 shuts off in case of lack of lubricating oil.
  • the senor 90 could be, for example be formed so that it the state of the oil surface 84 without contact supervised.
  • the senor 90 is formed as a sensor, which detect can, whether he is in contact with lubricating oil or not.
  • Such contact with lubricating oil can, for example, optical properties be determined so that the sensor 90 to be an optical sensor could.
  • the senor 90 operates in the form of a heated thermocouple, which is constantly cooled by contact with lubricating oil and thus does not heat up significantly, but in the absence of contact with lubricating oil itself strongly heats up and this heating of the sensor is then from the lubricating oil monitoring device 92 detected.
  • the senor 90 is immediately before Inlet 72 of the central lubricating oil passage 62 and thus would recognize when at the level of the inlet 72 no lubricating oil in Schmierölbad 86th would be present.
  • the senor 90 can be with a housing 94 in a threaded hole Screw 96 in the top wall 82 from the outside, the Threaded hole 96 opens into the lubricating oil reservoir 80, and preferably is arranged coaxially with the drive shaft 30.
  • the lubricating oil monitoring device operates 92 such that it then turns off the motor 36 when the sensor 90 longer than a predetermined period, for example, a period between 60 and 120 seconds, preferably 90 seconds, no contact Read more with lubricating oil monitoring device 92 oil.
  • a predetermined period for example, a period between 60 and 120 seconds, preferably 90 seconds, no contact Read more with lubricating oil monitoring device 92 oil.
  • Such a lubricating oil conveyor 104 is for example as on the Drive shaft 30 seated and co-rotating with this blast wheel 106th formed, which dips into the oil sump 100, where it entrains oil and against a the centrifugal wheel 106 facing inside 108 of the housing cover 20 throws, which lie in a lube oil reservoir 80 over upper portion 110 has webs 112 which extend from the region 110 in FIG Direction of the oil sump 100 running lubricating oil in the lubricating oil reservoir 80 into it.
  • the blast wheel 106 is designed so that when co-rotating Drive shaft 30, the spinner 106 always sufficient amounts of oil into the lubricating oil reservoir 80, from which this lubricating oil then can be distributed through the lubricating oil passage system 60.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP04016512A 2003-07-16 2004-07-14 Compresseur comprenant une unité de lubrification par huile Expired - Lifetime EP1498608B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL04016512T PL1498608T3 (pl) 2003-07-16 2004-07-14 Sprężarka z urządzeniem do smarowania olejem
SI200430053T SI1498608T1 (sl) 2003-07-16 2004-07-14 Kompresor z napravo za mazanje z oljem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10333402A DE10333402A1 (de) 2003-07-16 2003-07-16 Kompressor
DE10333402 2003-07-16

Publications (2)

Publication Number Publication Date
EP1498608A1 true EP1498608A1 (fr) 2005-01-19
EP1498608B1 EP1498608B1 (fr) 2006-06-07

Family

ID=33462009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04016512A Expired - Lifetime EP1498608B1 (fr) 2003-07-16 2004-07-14 Compresseur comprenant une unité de lubrification par huile

Country Status (10)

Country Link
US (1) US7331766B2 (fr)
EP (1) EP1498608B1 (fr)
CN (1) CN100379987C (fr)
AT (1) ATE329155T1 (fr)
DE (2) DE10333402A1 (fr)
DK (1) DK1498608T3 (fr)
ES (1) ES2265130T3 (fr)
PL (1) PL1498608T3 (fr)
PT (1) PT1498608E (fr)
SI (1) SI1498608T1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2713054A1 (fr) * 2011-04-18 2014-04-02 Emerson Climate Technologies (Suzhou) Co., Ltd. Compresseur rotatif et mécanisme de rotation

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0501446A (pt) * 2005-04-29 2006-12-12 Brasil Compressores Sa método de proteção contra quebra do filme de óleo lubrificante nos mancais de compressores herméticos
DE102006003991B4 (de) * 2006-01-24 2011-02-24 Bitzer Kühlmaschinenbau Gmbh Kompressor
DE102008025327B4 (de) * 2008-05-27 2010-09-09 Danfoss A/S Kältemittelverdichter
CN103541905B (zh) * 2012-07-13 2017-06-13 艾默生环境优化技术(苏州)有限公司 压缩机
DE102013203268A1 (de) * 2013-02-27 2014-08-28 Bitzer Kühlmaschinenbau Gmbh Kältemittelverdichteranlage
JP5652497B2 (ja) * 2013-03-29 2015-01-14 ダイキン工業株式会社 圧縮機
DE102016115778A1 (de) 2016-08-25 2018-03-01 Kriwan Industrie-Elektronik Gmbh Verfahren zum Betreiben eines Ölspiegelregulators
CN106801665A (zh) * 2016-12-27 2017-06-06 大连葆光节能空调设备厂 一种在压缩机运行时补充压缩机油的装置和使用方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2137220A (en) * 1936-02-11 1938-11-22 Westinghouse Air Brake Co Compressor lubricator
US2878990A (en) * 1953-10-30 1959-03-24 Sulzer Ag Upright piston compressor
WO1999013225A1 (fr) * 1997-09-05 1999-03-18 American Standard Inc. Systeme de protection contre les pertes d'huile
WO2000065232A2 (fr) * 1999-04-22 2000-11-02 Bitzer Kühlmaschinenbau Gmbh Dispositif compresseur d'agent frigorifique
US6276901B1 (en) * 1999-12-13 2001-08-21 Tecumseh Products Company Combination sight glass and sump oil level sensor for a hermetic compressor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1093387B (de) * 1957-12-14 1960-11-24 Linde S Eismaschinen Ag Zweign Schmiervorrichtung fuer Motorverdichter von Kaeltemaschinen kleiner und mittlerer Leistung mittels OElfoerderscheiben
US3426962A (en) * 1966-12-02 1969-02-11 Carrier Corp Overtemperature and lubricant loss protector for compressors
US3411313A (en) * 1966-12-02 1968-11-19 Carrier Corp Compressor protective control
US5257539A (en) * 1992-05-21 1993-11-02 Gale Danny E Electronic oil level indicator
US5765994A (en) * 1995-07-14 1998-06-16 Barbier; William J. Low oil detector with automatic reset
DE19603110A1 (de) * 1995-11-06 1997-05-07 Bitzer Kuehlmaschinenbau Gmbh Kompressor
ES2228796T3 (es) * 2000-01-21 2005-04-16 Toshiba Carrier Corporation Detector de cantidad de aceite, dispositivo de refrigeracion y acondicionador de aire.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2137220A (en) * 1936-02-11 1938-11-22 Westinghouse Air Brake Co Compressor lubricator
US2878990A (en) * 1953-10-30 1959-03-24 Sulzer Ag Upright piston compressor
WO1999013225A1 (fr) * 1997-09-05 1999-03-18 American Standard Inc. Systeme de protection contre les pertes d'huile
WO2000065232A2 (fr) * 1999-04-22 2000-11-02 Bitzer Kühlmaschinenbau Gmbh Dispositif compresseur d'agent frigorifique
US6276901B1 (en) * 1999-12-13 2001-08-21 Tecumseh Products Company Combination sight glass and sump oil level sensor for a hermetic compressor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2713054A1 (fr) * 2011-04-18 2014-04-02 Emerson Climate Technologies (Suzhou) Co., Ltd. Compresseur rotatif et mécanisme de rotation
EP2713054A4 (fr) * 2011-04-18 2014-12-03 Emerson Climate Tech Suzhou Co Compresseur rotatif et mécanisme de rotation
US9850900B2 (en) 2011-04-18 2017-12-26 Emerson Climate Technologies (Suzhou) Co., Ltd. Rotary compressor and rotation mechanism

Also Published As

Publication number Publication date
CN1576582A (zh) 2005-02-09
DE502004000688D1 (de) 2006-07-20
DE10333402A1 (de) 2005-02-10
ATE329155T1 (de) 2006-06-15
DK1498608T3 (da) 2006-10-09
PT1498608E (pt) 2006-08-31
SI1498608T1 (sl) 2006-10-31
US20050011704A1 (en) 2005-01-20
PL1498608T3 (pl) 2006-09-29
CN100379987C (zh) 2008-04-09
US7331766B2 (en) 2008-02-19
ES2265130T3 (es) 2007-02-01
EP1498608B1 (fr) 2006-06-07

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