EP1723337A1 - Verdichter - Google Patents

Verdichter

Info

Publication number
EP1723337A1
EP1723337A1 EP05702932A EP05702932A EP1723337A1 EP 1723337 A1 EP1723337 A1 EP 1723337A1 EP 05702932 A EP05702932 A EP 05702932A EP 05702932 A EP05702932 A EP 05702932A EP 1723337 A1 EP1723337 A1 EP 1723337A1
Authority
EP
European Patent Office
Prior art keywords
channel
crank
oil
channels
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.)
Granted
Application number
EP05702932A
Other languages
English (en)
French (fr)
Other versions
EP1723337B1 (de
Inventor
Tolga Arcelik Anonim Sirketi YAROGLU
Sitki Arcelik Anonim Sirketi BICER
Tolga Arcelik Anonim Sirketi GUNGOR
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Priority to SI200530712T priority Critical patent/SI1723337T1/sl
Publication of EP1723337A1 publication Critical patent/EP1723337A1/de
Application granted granted Critical
Publication of EP1723337B1 publication Critical patent/EP1723337B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F04B39/0223—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
    • F04B39/0223—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
    • F04B39/0253—Hermetic compressors with oil distribution channels in the rotating shaft using centrifugal force for transporting the oil

Definitions

  • This invention relates to a compressor, preferably used in refrigerators, wherein the lubrication of the movable parts is improved.
  • lubrication is necessary for the movable parts of the compressor not to be affected by friction forces and, for heat to be discharged.
  • the lubrication of the bearings is achieved usually by rotation of the crank at high revolutions.
  • the lubrication is performed by sucking the lubricant oil inside the compressor casing via an oil suction pipe at the lower portion of the crank and by conducting it to the movable/heated parts.
  • the aim of the present invention is the realization of a compressor wherein, in different operating conditions, the lubrication of the movable parts is improved.
  • Fig.l - is a schematic representation of a compressor.
  • Fig.2 - is a schematic representation of a crank comprising more than one channel with different helix angles.
  • Fig.3 - is a schematic representation of a crank comprising more than one channel with the same helix angle.
  • Fig.4 - is a schematic representation of a crank comprising two helix channels meeting at a junction.
  • the compressor (1) comprises a motor (15), a lower casing (2) that carries the parts inside the said compressor (1), an upper casing (9) above the lower casing (2), a cylinder (3) between the lower (2) and upper casing (9), which is utilized to pump the refrigerant gas inside, a cylinder head (8) on the cylinder (3) the head of which provides the circulation of the gas sucked and pumped, a piston (4) whereby the refrigerant gas is compressed in the cylinder hole, a crank (5) which transmits the motion obtained from the motor (15), a connecting rod (6) which transmits the motion obtained from the crank (5) to the piston (4), a piston pin (7) that connects the piston(4) and the connecting rod (6), a balance weight (11) used to diminish the negative effect of eccentricities of gravitational centers of the components such as the crank (5), the connecting rod (6) and the piston (4) with respect to the rotation axis of the crank (5), a throwing pipe (13) fixed to the rotation axis of the crank (5) at an angle,
  • the compressor (1) contains a preferably liquid fluid, which facilitates the motion of the operating parts and transfers the heat generated inside.
  • oil is utilized as the liquid fluid.
  • the crank (5) comprises an oil suction pipe (12) whereby the oil inside the lower casing (2) is conducted to the interior of the crank (5) by suction, an oil transfer pipe (20) transferring the oil to the throwing pipe (13) and to the upper portions of the crank (5), more than one channel (17), preferably in helical form, located at the outer surface, which are connected to each other at some point and wherein the oil proceeds upwards on the surface as a result of rotary motion, at least one channel inlet opening (18) for each channel (17) whereby the oil sucked from the oil suction pipe (12) is transferred to the channel (17), a channel outlet opening (16) which ensures that at least two of the channels (17) communicate with each other and with the oil transfer pipe (20) and that the oil is transferred to the inside of it and, a junction (19) where several channels (17) meet.
  • the crank (5) which transmits the rotary motion of the motor (15) to the piston (4) as linear motion by utilizing a connecting rod (6) mechanism, is a tight fit to the rotor and thus rotates as a consequence of the rotation of the rotor.
  • the oil suction pipe (12) which preferably is a tight fit to the crank (5), provides the suction of the oil inside the lower casing (2) via the forces created as it rotates with the crank (5). Through the forces created during the rotation of the crank (5), it is achieved that the oil sticks to the surface of the crank (5) and thereby that an oil film (A) is formed in the crank (5).
  • the oil sucked by the oil suction pipe (12) reaches the channel inlet opening (18) by passing through the crank (5) and diffuses through the channel inlet opening (18) into the channel (17).
  • the oil that moves inside the channel (17) leaves the channel (17) through the channel outlet opening (16) and enters the oil transfer pipe (20) wherein it reaches the throwing pipe (13) that flings it into the compressor (1).
  • the crank (5) comprises two channel inlet openings (18) positioned approximately at the same distance to the inlet opening of the oil suction pipe (12), two channels (17), in the direction of the rotary motion of the crank (5), with different helix angles ( ⁇ , ⁇ ) and, communicating with each of the two channel inlet openings (18) and, a channel outlet opening (16) where the channels (17) meet and at the same time communicate with the oil transfer pipe (20); ( Figure 2).
  • the crank (5) comprises two channel inlet openings (18) positioned approximately at the same distance to the inlet opening of the oil suction pipe (12), two channels (17), in the direction of the rotary motion of the crank (5), with the same helix angle ( ⁇ ) and, communicating with each of the two channel inlet openings (18), another channel (17) with a different helix angle ( ⁇ ) from the helix angle ( ⁇ ) of the afore-mentioned channels (17) and a channel outlet opening (16) where this other channel (17) is connected to; ( Figure 3).
  • the crank (5) comprises two channel inlet openings (18) positioned at the same or a different distance to the inlet opening of the oil suction pipe (12), two channels (17) with different helix angles ( ⁇ , ⁇ ) communicating with the channel inlet openings (18), a junction (19) where the said channels (17) meet and, a channel (17) that connects the junction (19) to the channel outlet opening (16); ( Figure 4).
  • the channels (17) and the channel inlet opening (18) ensure that more amount of oil is transferred to the upper portions of the crank (5) and, by utilizing a throwing pipe (13), to the other movable parts. Moreover, by means of the channels (17) and the channel inlet openings (18) it is achieved that the hard-to-reach, movable and heated components are lubricated more easily.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
EP05702932A 2004-02-11 2005-02-09 Verdichter Active EP1723337B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200530712T SI1723337T1 (sl) 2004-02-11 2005-02-09 Kompresor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200400229 2004-02-11
PCT/IB2005/050512 WO2005078282A1 (en) 2004-02-11 2005-02-09 A compressor

Publications (2)

Publication Number Publication Date
EP1723337A1 true EP1723337A1 (de) 2006-11-22
EP1723337B1 EP1723337B1 (de) 2009-05-06

Family

ID=34859438

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05702932A Active EP1723337B1 (de) 2004-02-11 2005-02-09 Verdichter

Country Status (8)

Country Link
EP (1) EP1723337B1 (de)
AT (1) ATE430879T1 (de)
DE (1) DE602005014344D1 (de)
DK (1) DK1723337T3 (de)
ES (1) ES2324047T3 (de)
SI (1) SI1723337T1 (de)
TR (1) TR200604208T1 (de)
WO (1) WO2005078282A1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53130507A (en) * 1977-04-20 1978-11-14 Hitachi Ltd Totally-enclosed motor compressor
JPS5825594A (ja) * 1982-07-21 1983-02-15 Hitachi Ltd 全密閉形電動圧縮機用回転軸
KR0153343B1 (ko) * 1995-10-13 1999-03-20 김광호 왕복동형 압축기

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2005078282A1 *

Also Published As

Publication number Publication date
ATE430879T1 (de) 2009-05-15
EP1723337B1 (de) 2009-05-06
DK1723337T3 (da) 2009-08-31
TR200604208T1 (tr) 2007-01-22
WO2005078282A1 (en) 2005-08-25
ES2324047T3 (es) 2009-07-29
SI1723337T1 (sl) 2009-10-31
DE602005014344D1 (de) 2009-06-18

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