EP1831554B1 - Compresseur lineaire - Google Patents

Compresseur lineaire Download PDF

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Publication number
EP1831554B1
EP1831554B1 EP05810968A EP05810968A EP1831554B1 EP 1831554 B1 EP1831554 B1 EP 1831554B1 EP 05810968 A EP05810968 A EP 05810968A EP 05810968 A EP05810968 A EP 05810968A EP 1831554 B1 EP1831554 B1 EP 1831554B1
Authority
EP
European Patent Office
Prior art keywords
piston
cylinder
linear compressor
layer
slide layer
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.)
Not-in-force
Application number
EP05810968A
Other languages
German (de)
English (en)
Other versions
EP1831554A1 (fr
Inventor
Jan-Grigor Schubert
Georg Slotta
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1831554A1 publication Critical patent/EP1831554A1/fr
Application granted granted Critical
Publication of EP1831554B1 publication Critical patent/EP1831554B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F04B35/045—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric using solenoids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/12—Coating

Definitions

  • the present invention relates to a linear compressor, in particular for use for compressing refrigerant in a refrigeration device.
  • US Pat. No. 6,596,032 B2 is a linear compressor with a cylinder, in the cylinder in the longitudinal direction of oscillating movable, fluid-pressure-bearing piston and a movement of the piston driving drive unit known.
  • a circumferential cavity is formed in the wall of the cylinder, which is supplied with pressurized fluid and communicates with the interior of the cylinder in which the piston moves through a plurality of openings distributed over the side wall of the cylinder. From these openings in the cylinder chamber penetrating pressurized fluid forms a cushion on which the piston slides without contact with the side wall. Since the pad prevents frictional contact between the piston and the cylinder, such a linear compressor can operate for a long time in continuous operation without frictional wear leading to a noticeable decrease in the efficiency.
  • the object of the present invention is to further develop the linear compressor according to the preamble in such a way that it has a constant efficiency even during long-term operation in a practical application such as a refrigeration device.
  • the in Fig. 1 in a perspective view shown linear compressor has a rigid, in plan view in approximately U-shaped frame, which is composed of three parts, namely two flat wall pieces 1 and a sheet 2. Between facing end faces of the sheet 2 and the two wall pieces 1, a first diaphragm spring 3 is clamped; a second diaphragm spring 4 of the same shape as the diaphragm spring 3 is attached to the end faces of the wall pieces 1 facing away from the arc.
  • the membrane springs 3, 4 punched from spring plate each have two elongated edge strips 7 which cover the end faces of the wall pieces 1 and of the arch 2, respectively, and four spring arms 5 which extend in zigzag from the ends of the edge strips 7 to a middle section 6, where they meet.
  • the central portion 6 has three holes, two outer, to which by means of screws or rivets 13, a permanent magnetic oscillating body 8 is suspended, and a central bore through which in the diaphragm spring 3 a to the oscillating body 8, z. B. by screwing, fixed rod portion 10 extends.
  • the rod portion 10 is connected to a transmission rod 9 via a flexibly flexible tapered portion 11.
  • a second tapered portion 12 connects the transmission rod 11 integrally with a piston rod 14, which engages in a pumping chamber 15 supported by the arc 2, is guided through a bore in an end wall of the pumping chamber and in the pumping chamber 15 with a piston 16 therein (see Fig. 2 ) connected is.
  • Two electromagnets with an E-shaped yoke and a coil wound around the middle leg of the E are each arranged between the oscillating body 8 and the wall pieces 1 with the oscillating body facing pole pieces and serve to drive a vibrating movement of the oscillating body.
  • the pumping chamber 15 is annularly surrounded by a cavity 17 which communicates with the pumping chamber 15 through a plurality of openings 18 in the side wall thereof and which is fed via a passage 19 with compressed gas branched from a pressure port 20 of the pumping chamber.
  • the pressure gas entering through the openings 18 in the pumping chamber 15 forms on the side wall a cushion on which the piston 16, whose diameter is slightly smaller than the free diameter of the pumping chamber 15, slides substantially without friction.
  • the lateral surface of the piston 16 sliding along the wall of the pumping chamber 15 is coated with a DLC (diamond-like carbon) layer 21.
  • the DLC layer 21 may be a tetrahedral carbon layer (ta-C) or an amorphous hydrogen-containing carbon layer (a-C: H).
  • ta-C tetrahedral carbon layer
  • a-C amorphous hydrogen-containing carbon layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)

Claims (3)

  1. Compresseur linéaire avec un cylindre (15), un piston (16) mobile oscillant dans le cylindre (15) dans le sens longitudinal de celui-ci et logé dans un fluide sous pression, et une unité d'entraînement (1-14) qui entraîne le mouvement du piston, au moins l'une de faces latérales du piston (16) et du cylindre (15) qui se font face étant pourvue d'une couche lubrifiante (21) qui résiste à l'abrasion, la face latérale pourvue de la couche lubrifiante (21) étant la surface enveloppante du piston (16), caractérisé en ce que la couche lubrifiante (21) est une couche DLC et en ce que l'épaisseur de la couche lubrifiante (21) est nettement inférieure au jeu radial entre le piston (16) et le cylindre (15).
  2. Compresseur linéaire selon la revendication 1, caractérisé en ce qu'il y a, entre l'au moins une face latérale du piston (16) ou du cylindre (15) portant la couche lubrifiante (21) et la surface du piston (16) ou du cylindre (15) qui lui fait face, un jeu suffisant pour permettre un mouvement du piston (16) dans le sens longitudinal sans contact mutuel entre les faces latérales.
  3. Compresseur linéaire selon la revendication 1 ou 2, caractérisé en ce qu'est formé, sur un raccord haute pression (20) du compresseur, un branchement (19) pour fluide sous pression pour le logement du piston (16).
EP05810968A 2004-12-23 2005-11-30 Compresseur lineaire Not-in-force EP1831554B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004062303A DE102004062303A1 (de) 2004-12-23 2004-12-23 Linearverdichter
PCT/EP2005/056342 WO2006069881A1 (fr) 2004-12-23 2005-11-30 Compresseur lineaire

Publications (2)

Publication Number Publication Date
EP1831554A1 EP1831554A1 (fr) 2007-09-12
EP1831554B1 true EP1831554B1 (fr) 2012-01-11

Family

ID=35709076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05810968A Not-in-force EP1831554B1 (fr) 2004-12-23 2005-11-30 Compresseur lineaire

Country Status (7)

Country Link
EP (1) EP1831554B1 (fr)
CN (1) CN100582483C (fr)
AT (1) ATE541128T1 (fr)
DE (1) DE102004062303A1 (fr)
ES (1) ES2377221T3 (fr)
RU (1) RU2007121773A (fr)
WO (1) WO2006069881A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006042018A1 (de) * 2006-09-07 2008-03-27 BSH Bosch und Siemens Hausgeräte GmbH Linearverdichter mit zwei Verdichtungsräumen
DE102006052447A1 (de) * 2006-11-07 2008-05-08 BSH Bosch und Siemens Hausgeräte GmbH Linearverdichter und Gasdrucklager dafür
DE102007054334A1 (de) * 2007-11-14 2009-05-20 BSH Bosch und Siemens Hausgeräte GmbH Aerostatisches Lager und Verfahren zu dessen Herstellung
DE102007060831A1 (de) 2007-12-18 2009-06-25 BSH Bosch und Siemens Hausgeräte GmbH Steuergerät für eine Kältemaschine und diese verwendendes Haushaltskältegerät
CN103069165B (zh) * 2010-08-27 2016-04-27 皇家飞利浦电子股份有限公司 具有改进的热特性的压缩机
CN203770066U (zh) 2013-06-28 2014-08-13 Lg电子株式会社 线性压缩机
CN203867810U (zh) 2013-06-28 2014-10-08 Lg电子株式会社 线性压缩机
CN104251191B (zh) 2013-06-28 2017-05-03 Lg电子株式会社 线性压缩机
CN203906214U (zh) 2013-06-28 2014-10-29 Lg电子株式会社 线性压缩机
CN203906210U (zh) 2013-06-28 2014-10-29 Lg电子株式会社 线性压缩机
CN203835658U (zh) 2013-06-28 2014-09-17 Lg电子株式会社 线性压缩机
DE102013213380A1 (de) 2013-07-09 2015-01-15 BSH Bosch und Siemens Hausgeräte GmbH Linearverdichter für ein Haushaltsgerät und Haushaltskältegerät
DE102013221735A1 (de) 2013-10-25 2015-04-30 Schaeffler Technologies Gmbh & Co. Kg Kolben, Zylinder und Linearverdichter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318412A (en) * 1992-04-03 1994-06-07 General Electric Company Flexible suspension for an oil free linear motor compressor
US6596032B2 (en) 1996-10-15 2003-07-22 Fujitsu Limited Document processing apparatus storing and modifying data using effect data
JP4100908B2 (ja) 1999-07-30 2008-06-11 エーザイ・アール・アンド・ディー・マネジメント株式会社 塩基性抗生物質・無機酸塩の製造法およびシュウ酸塩中間体
JP4345250B2 (ja) * 2000-11-13 2009-10-14 富士電機システムズ株式会社 圧縮機
NL1019858C2 (nl) 2002-01-29 2003-09-08 Thales Nederland Bv De onderhavige uitvinding heeft in het algemeen betrekking op cryogene koelers en in het bijzonder op de werkwijze voor de assemblage van de compressor van cryogene koelers en op middelen voor het in positie houden van de zuiger die in dergelijke cryogene koelers wordt gebruikt.

Also Published As

Publication number Publication date
RU2007121773A (ru) 2009-01-27
EP1831554A1 (fr) 2007-09-12
CN100582483C (zh) 2010-01-20
DE102004062303A1 (de) 2006-07-13
CN101133247A (zh) 2008-02-27
WO2006069881A1 (fr) 2006-07-06
ATE541128T1 (de) 2012-01-15
ES2377221T3 (es) 2012-03-23

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