EP3277956B1 - Silencieux d'aspiration a utiliser dans un compresseur hermétique - Google Patents

Silencieux d'aspiration a utiliser dans un compresseur hermétique Download PDF

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Publication number
EP3277956B1
EP3277956B1 EP15717824.5A EP15717824A EP3277956B1 EP 3277956 B1 EP3277956 B1 EP 3277956B1 EP 15717824 A EP15717824 A EP 15717824A EP 3277956 B1 EP3277956 B1 EP 3277956B1
Authority
EP
European Patent Office
Prior art keywords
inlet port
casing
compressor
flexible leaf
refrigeration appliance
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.)
Active
Application number
EP15717824.5A
Other languages
German (de)
English (en)
Other versions
EP3277956A1 (fr
Inventor
Mehmet Onur DINCER
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 PL15717824T priority Critical patent/PL3277956T3/pl
Publication of EP3277956A1 publication Critical patent/EP3277956A1/fr
Application granted granted Critical
Publication of EP3277956B1 publication Critical patent/EP3277956B1/fr
Active 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
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • 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
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
    • 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
    • F04B39/08—Actuation of distribution members
    • 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
    • F04B39/10—Adaptations or arrangements of distribution members

Definitions

  • the refrigerant can be prevented during the compression phase of the compressor from flowing back towards the evaporator and heating up, expanding in the suction tube and the evaporator.
  • the amount of refrigerant that remains trapped inside the cavity during the compression phase also becomes comparatively higher. Thereby, a comparatively larger amount of refrigerant can be sucked out of the cavity into the cylinder bore during the suction phase of the compressor, and thus the volumetric efficiency of the compressor can be increased.
  • the one-way valve unit comprises a flexible leaf as a valve member that is attached to the inner surface of the casing so as to entirely cover the inlet port at the rest position.
  • the flexible leaf is made of a heat-resistant flexible material.
  • the flexible leaf can be made, for instance, from rubber. Alternatively metal can be used. Also composite materials can be used so as to reduce the risk of fatigue failures.
  • the stiffness of the flexible leaf is kept relatively small such that the inlet port easily re-opens at a relatively small differential pressure during the suction phase, but closes sufficiently tightly during the compression phase.
  • the suction muffler (1) comprises a casing (3), a cavity (4) inside the casing (3), an inlet port (5) for admitting the refrigerant into the cavity (3) and an outlet port (6) for discharging the refrigerant out of the cavity (3) ( Fig. 1 to 4 ).
  • the refrigeration appliance (not shown) of the present invention comprises the hermetically sealed compressor (2).
  • the attachment means (10) comprises a retaining slot (13) which is disposed into the inner surface (11) of the casing (3).
  • the edge (14) of the flexible leaf (9) is clamped into the retaining slot (13) ( Fig. 1 to 3 ).
  • the compressor (2) is hermetically sealed through the upper casing (19) and the lower casing (20).
  • the lower casing (20) serves as the lubricant sump (21).
  • An oil pickup-tube (22) is partly immersed into the lubricant sump (21).
  • the motor (23) has a stator (24) and a rotor (25).
  • the crankshaft (26) is journalled into the main bearing (27) of the cylinder block (28).
  • the rotor (25) is fixed around the crankshaft (26).
  • the suction muffler (1) is mounted onto the cylinder head (33) such that the outlet port (6) is located immediately upstream of the valve plate (36).
  • the casing (3) of the suction muffler (1) has a drainage opening (not shown) for draining the lubricant into the sump (21).
  • the volumetric efficiency of the hermetically sealed compressor (2) can be increased in a cost-effective way. Also with the suction muffler (1) of the present invention, the noise level of the hermetically sealed compressor (2) can be reduced in a cost-effective way.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Claims (8)

  1. Un appareil de réfrigération, en particulier un réfrigérateur domestique, comprenant un compresseur scellé hermétiquement, un évaporateur et un circuit de réfrigération pour faire circuler le réfrigérant via le compresseur scellé hermétiquement (2) comportant un silencieux d'aspiration (1) comprenant :
    - un boîtier (3) ;
    - une cavité (4) à l'intérieur du boîtier (3),
    - un orifice d'entrée (5) qui est relié à l'évaporateur via un tube d'aspiration pour transmettre le réfrigérant dans la cavité (3),
    - un orifice de sortie (6) pour évacuer le réfrigérant hors de la cavité (3), et
    - un dispositif anti-refoulement (7) disposé dans la cavité (3) du silencieux d'aspiration (1) et adapté pour empêcher le refoulement du réfrigérant à travers l'orifice d'entrée (5) de la cavité (3) à l'évaporateur, ledit dispositif anti-refoulement (7) comportant une unité de clapet anti-retour (8) lequel est adapté pour ouvrir l'orifice d'entrée (5) lorsque le compresseur (2) est en phase d'aspiration et adapté pour fermer l'orifice d'entrée (5) lorsque le compresseur (2) est en phase de compression, dans lequel l'unité de clapet anti-retour (8) comprend : un battant flexible (9) qui est adapté pour se déplacer, sous l'action de la pression différentielle durant la phase d'aspiration du compresseur (2), d'une position de repos à une position défléchie où l'orifice d'entrée (5) est ouvert, dans lequel le battant flexible (9) est orienté vers la position de repos ; caractérisé en ce que l'unité de clapet anti-retour (8) comprend en outre un moyen de fixation (10) pour la fixation du battant flexible (9) à la surface interne (11) du boîtier (3) à proximité immédiate de l'orifice d'entrée (5) de telle sorte que le battant flexible (9) recouvre et ferme entièrement l'orifice d'entrée (5) en position de repos, et le dispositif anti-refoulement (7) ferme entièrement l'orifice d'entrée (5) lorsque le compresseur est en phase de compression.
  2. L'appareil de réfrigération selon la revendication 1, caractérisé en ce que l'orifice d'entrée (5) débouche dans une paroi latérale (12) du boîtier (3), et dans lequel le battant flexible (9) est fixée à la surface interne (11) du boîtier (3) immédiatement au-dessus de l'orifice d'entrée (5) via le moyen de fixation (10) de sorte que le battant flexible (9) bute contre la paroi latérale (12) en position de repos.
  3. L'appareil de réfrigération selon la revendication 1 ou 2, caractérisé en ce que le moyen de fixation (10) comprend une fente de retenue (13) qui est disposée dans la surface interne (11) du boîtier (3), dans lequel un bord (14) du battant flexible (9) est serré dans la fente de retenue (13).
  4. L'appareil de réfrigération selon la revendication 1 ou 2, caractérisé en ce que le moyen de fixation (10) comprend une fente de retenue (13) qui est disposée dans la surface interne (11) du boîtier (3), dans lequel un bord (14) du battant flexible (9) est collée dans la fente de retenue (13).
  5. L'appareil de réfrigération selon la revendication 1 ou 2 , caractérisé en ce que le moyen de fixation (10) comprend au moins deux broches (15) qui sont disposées sur la surface interne (11) du boîtier (3), où le battant flexible (9) comporte des trous (16) en contrepartie pour s'emboîter respectivement avec les broches (15).
  6. L'appareil de réfrigération selon la revendication 5, caractérisé en ce que le moyen de fixation (10) constitue une seule pièce avec le boîtier (3).
  7. L'appareil de réfrigération selon la revendication 6, caractérisé en ce que le boîtier (3) comprend une partie supérieure (3a) et une partie inférieure (3b) qui sont fixées l'une à l'autre de manière détachable, où l'orifice de sortie (6) est disposé dans la partie supérieure (3a), et où l'orifice d'entrée (5) est disposé dans la partie inférieure (3b).
  8. L'appareil de réfrigération selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'orifice d'entrée (5) et l'orifice de sortie (6) sont alignés le long de directions mutuellement transversales.
EP15717824.5A 2015-03-31 2015-03-31 Silencieux d'aspiration a utiliser dans un compresseur hermétique Active EP3277956B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15717824T PL3277956T3 (pl) 2015-03-31 2015-03-31 Tłumik ssący do zastosowania w sprężarce hermetycznej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/057057 WO2016155799A1 (fr) 2015-03-31 2015-03-31 Silencieux d'aspiration a utiliser dans un compresseur hermétique

Publications (2)

Publication Number Publication Date
EP3277956A1 EP3277956A1 (fr) 2018-02-07
EP3277956B1 true EP3277956B1 (fr) 2020-02-12

Family

ID=52997400

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15717824.5A Active EP3277956B1 (fr) 2015-03-31 2015-03-31 Silencieux d'aspiration a utiliser dans un compresseur hermétique

Country Status (3)

Country Link
EP (1) EP3277956B1 (fr)
PL (1) PL3277956T3 (fr)
WO (1) WO2016155799A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020240048A1 (fr) 2019-05-31 2020-12-03 Arcelik Anonim Sirketi Compresseur hermétique comprenant un silencieux d'aspiration
CN114542430B (zh) * 2022-03-25 2023-03-24 珠海格力电器股份有限公司 一种吸气消音器及包括其的压缩机、冰箱

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200148573Y1 (ko) * 1996-12-06 1999-06-15 구자홍 밀폐형 압축기의 흡입소음 저감장치
JP2002147353A (ja) * 2000-11-09 2002-05-22 Matsushita Refrig Co Ltd 密閉型圧縮機
KR101386477B1 (ko) * 2008-01-10 2014-04-18 엘지전자 주식회사 밀폐형 압축기의 소음 저감 장치
JP5325041B2 (ja) * 2009-07-30 2013-10-23 サンデン株式会社 往復動圧縮機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
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None *

Also Published As

Publication number Publication date
WO2016155799A1 (fr) 2016-10-06
EP3277956A1 (fr) 2018-02-07
PL3277956T3 (pl) 2020-07-27

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