US20050281691A1 - Compressor - Google Patents

Compressor Download PDF

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Publication number
US20050281691A1
US20050281691A1 US11/086,336 US8633605A US2005281691A1 US 20050281691 A1 US20050281691 A1 US 20050281691A1 US 8633605 A US8633605 A US 8633605A US 2005281691 A1 US2005281691 A1 US 2005281691A1
Authority
US
United States
Prior art keywords
discharge
chamber
compressor
cylinder block
heat
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.)
Abandoned
Application number
US11/086,336
Other languages
English (en)
Inventor
Seok-Jin Lee
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Assigned to SAMSUNG ELECTRONICS CO., LTD. reassignment SAMSUNG ELECTRONICS CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, SEOK-JIN
Publication of US20050281691A1 publication Critical patent/US20050281691A1/en
Abandoned 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
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • 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
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F04B39/066—Cooling by ventilation
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • 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

Definitions

  • An apparatus consistent with the present invention relates to a compressor and, more particularly, to a compressor designed to discharge a refrigerant compressed in the compressor to the outside through a cylinder head and a discharge muffler.
  • a compressor is a component for a freezing cycle, which generates conditioned air by circulating a refrigerant in an air conditioner or a freezer, and has a function to compress the refrigerant with high temperature and pressure, and to discharge a compressed refrigerant.
  • the linear compressor 1 forces a piston to linearly reciprocate by means of a linear motor, which is driven by virtue of cooperation of magnetic members generating a magnetic flux subjected to a directional variation.
  • the linear compressor 1 is provided with various components, which can be broadly classified into a compressing part to intake the refrigerant from a closed container 14 and to discharge the refrigerant after compressing the refrigerant, and a driving part to provide a compressing force to the compressing part.
  • the compressing part is provided with a cylindrical cylinder block 9 having a compressing chamber 9 a defined therein, and with a rod-shaped piston 11 equipped in the compressing chamber 9 a of the cylinder block 9 to linearly reciprocate up and down within the compressing chamber 9 a .
  • the compressing part is further provided with a cylinder head 10 having an intake chamber 10 b to intake the refrigerant into the compressing chamber 9 a and a discharge chamber 10 a to discharge the compressed refrigerant to the outside.
  • a discharge muffler 12 is equipped at one side of the cylinder head 10 under the cylinder block 9 , for reducing noise due to refrigerant discharge from the discharge chamber 10 a.
  • the driving part is provided with a stator 13 and a mover 3 , between which an electromagnetic force is generated to reciprocate the piston 11 within the cylinder block 9 .
  • the piston 11 is reciprocated within the cylinder block 9 , the refrigerant is compressed to a high temperature and pressure, and the compressed refrigerant is then discharged to the outside, through a tube 12 a provided to the discharge muffler 12 , after passing through the discharge chamber 10 a and the discharge muffler 12 .
  • the conventional compressor has a problem in that, when passing through the discharge chamber 10 a and the discharge muffler 12 , heat is transferred from the refrigerant of the high temperature and pressure to the compressing chamber 9 a through the cylinder head 10 and the cylinder block 9 , thereby lowering efficiency of the compressor 1 .
  • Illustrative, non-limiting embodiments of the present invention overcome the above disadvantages and other disadvantages not described above. Also, the present invention is not required to overcome the disadvantages described above, and an illustrative, non-limiting embodiment of the present invention may not overcome any of the problems described above.
  • the present invention has been made in view of the above and other problems, and an aspect of the present invention is to provide a compressor designed to prevent heat of a refrigerant passing through a discharge chamber and a discharge muffler in a cylinder head from being transferred to a compressing chamber, thereby enhancing efficiency of the compressor.
  • a compressor comprising a discharge chamber to contain temporarily a refrigerant compressed in a compressing chamber, and a heat-radiating member to radiate heat from the discharge chamber to the outside.
  • the heat-radiating member may have one end submerged to oil flowing in the compressor.
  • the heat-radiating member may be a heat-radiating fin made of a metallic material.
  • the compressing chamber may be defined in a space between a cylinder block and a piston received in the cylinder block, and the discharge chamber may be defined in a cylinder head disposed on the cylinder block.
  • the heat-radiating member may be provided to the cylinder head.
  • the cylinder head may be provided with a discharge muffler to prevent noise from the compressing chamber from being transmitted to the outside.
  • the discharge muffler may be formed therein with a fluid pathway communicated with the discharge chamber via a refrigerant pathway.
  • the discharge muffler may be spaced a predetermined distance from the cylinder block.
  • the cylinder head and the discharge muffler may be integrally formed.
  • a compressor which comprises a cylinder block including a compressing chamber, a cylinder head disposed on the cylinder block and including a discharge chamber which communicates with the compressing chamber, and a discharge muffler provided to the cylinder head and which communicates with the discharge chamber, the discharge muffler being spaced apart from the cylinder block, such that heat of the discharge muffler is not directly transmitted to the cylinder block.
  • FIG. 1 is a cross-sectional view illustrating a conventional compressor
  • FIG. 2 is a cross-sectional view illustrating a compressor consistent with the present invention.
  • FIG. 3 is a cross-sectional view illustrating a lower portion of the compressor consistent with the present invention, showing a refrigerant flowing within the compressor.
  • a linear compressor 20 according to the present invention comprises a closed container 24 , a compressing part to intake a refrigerant from the closed container 24 and to discharge the refrigerant after compressing the refrigerant, and a driving part to provide a compressing force to the compressing part.
  • the compressing part is provided with a cylindrical cylinder block 29 having a compressing chamber 29 a defined therein, and with a rod-shaped piston 31 equipped in the compressing chamber 29 a of the cylinder block 29 to linearly reciprocate up and down within the compressing chamber 9 a .
  • the cylinder block 29 is supported by a support spring 25 .
  • a cylinder head 30 with an intake chamber 30 b defined therein to intake the refrigerant into the compressing chamber 29 a and with a discharge chamber 30 a defined therein to discharge the compressed refrigerant to the outside is equipped at the lower side of the cylinder block 29 .
  • the cylinder head 30 is provided, under a lower surface thereof, with at least one heat-radiating fin 36 extending into oil flowing on the bottom of the closed container 24 .
  • the heat-radiating fin 36 is made of a metallic material in order to enhance heat exchange efficiency, and a plurality of heat-radiating fins may be provided under the lower surface of the cylinder head 30 .
  • a valve assembly 34 is equipped between the cylinder head 30 and the cylinder block 29 , and has an intake valve 34 a and a discharge valve 34 b opened/closed in a predetermined direction, guiding the refrigerant to constantly flow in a predetermined direction (see FIG. 3 ).
  • the cylinder head 30 is provided, at one side thereof, with a discharge muffler 39 , and at the other side thereof with an intake muffler 38 coupled thereto.
  • a muffler cover 39 b is fastened to one side of the cylinder head 30 . Furthermore, a refrigerant pathway 37 is formed between the discharge chamber 30 a and the interior of the discharge muffler 39 to communicate between the discharge chamber 30 a and the discharge muffler 39 . Noise from the compressing chamber 29 a is removed while passing through a fluid pathway defined in the discharge muffler 39 .
  • a tube 39 a is extended from the discharge muffler 39 to the outside of the compressor 20 to guide the compressed refrigerant passing through the discharge muffler 39 to the outside of the compressor 20 .
  • the discharge muffler 39 is integrally formed with the cylinder head 30 , and the discharge muffler 39 and the cylinder head may, for example, be made of aluminum.
  • the discharge muffler 39 is spaced a predetermined distance from the cylinder block 29 .
  • the driving part is provided with a stator 32 and a mover 23 , between which an electromagnetic force is generated to reciprocate the piston 31 within the cylinder block 29 .
  • the stator 32 includes an outside core 32 a having a coil 35 equipped therein so that, when an electric power of a predetermined frequency is applied to the coil 35 , a magnetic flux is changed according to the electric power, and an inside core 32 b at a position corresponding to the outside core 32 a within the mover 23 .
  • the stator 32 is securely supported by means of a holding frame 33 and the cylinder block 29 .
  • the mover 23 has a cylindrical shape with a closed upper side, and is equipped at the lower side thereof with a ring-shaped permanent magnet 28 in a space between the outside core 32 a and the inside core 32 b to generate an electromagnetic force between the stator 32 and the mover 23 .
  • a piston 31 is fixed at an upper end thereof to the center of an upper portion of the mover 23 , reciprocates along with the mover 23 .
  • a plate spring 22 is fastened to the upper portion of the mover 23 by a bolt 23 a while passing through the mover 23 .
  • the plate spring 22 has the center thereof fixed to the mover 23 , and a periphery fixed to the upper end of the holding frame 33 .
  • a refrigerant induced into the compressor 20 passes through the intake muffler 38 , and is then guided into the intake chamber 30 b of the cylinder head 30 .
  • the refrigerant guided into the intake chamber 30 b passes through the intake valve 34 a of the valve assembly 34 , and is then guided into the compressing chamber 29 a.
  • the high temperature, and high pressure refrigerant discharged into the discharge chamber 30 a is induced through the refrigerant pathway 37 formed in the cylinder head 30 to the fluid pathway in the discharge muffler 39 , and is then discharged to the outside through the tube 39 a provided in the discharge muffler 39 .
  • the heat of the cylinder head 30 and the discharge muffler 39 provided to the cylinder head 30 is transmitted to the oil through the heat radiating fins 36 formed on the cylinder head 30 , and the heat transmitted to the oil is transmitted to the outside of the compressor 20 through the closed container 24 .
  • the heat of the refrigerant passing through the cylinder head 30 and the discharge muffler 39 provided to the cylinder head 30 is prevented from being transmitted to the compressing chamber 29 a formed in the cylinder block 29 .
  • the compressor consistent with the present invention prevents the heat of the refrigerant passing through the discharging chamber from being transmitted to the compressing chamber, thereby preventing a reduction of efficiency of the compressor.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
US11/086,336 2004-06-21 2005-03-23 Compressor Abandoned US20050281691A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2004-46195 2004-06-21
KR1020040046195A KR20050121053A (ko) 2004-06-21 2004-06-21 압축기

Publications (1)

Publication Number Publication Date
US20050281691A1 true US20050281691A1 (en) 2005-12-22

Family

ID=34938833

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/086,336 Abandoned US20050281691A1 (en) 2004-06-21 2005-03-23 Compressor

Country Status (4)

Country Link
US (1) US20050281691A1 (zh)
EP (1) EP1609991A1 (zh)
KR (1) KR20050121053A (zh)
CN (1) CN1712705A (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080236184A1 (en) * 2007-03-30 2008-10-02 Fujitsu General Limited Injectible two-staged rotary compressor and heat pump system
US20090116983A1 (en) * 2007-11-01 2009-05-07 Sang-Sub Jeong Reciprocating compressor
US20150226203A1 (en) * 2014-02-10 2015-08-13 General Electric Company Linear compressor
US20160006331A1 (en) * 2014-07-07 2016-01-07 Lg Electronics Inc. Linear compressor and linear motor
US11448214B2 (en) * 2020-03-06 2022-09-20 Lg Electronics Inc. Compressor including a heat radiating member

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4946767B2 (ja) * 2007-10-03 2012-06-06 パナソニック株式会社 密閉型圧縮機
CN106286233B (zh) * 2015-06-08 2018-10-02 珠海格力电器股份有限公司 气缸组件、压缩机及空调器
CN105971847B (zh) * 2016-06-15 2018-01-23 珠海格力节能环保制冷技术研究中心有限公司 一种具有内排气管的往复直线压缩机
KR102225052B1 (ko) * 2019-08-23 2021-03-09 엘지전자 주식회사 리니어 압축기
US20220106953A1 (en) * 2020-10-07 2022-04-07 Haier Us Appliance Solutions, Inc. Heat dissipation assembly for a linear compressor
KR102494485B1 (ko) * 2021-02-15 2023-02-06 엘지전자 주식회사 리니어 압축기

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814550A (en) * 1972-12-07 1974-06-04 Gen Electric Motor arrangement and lubrication system for oscillatory compressor
US4536132A (en) * 1981-02-25 1985-08-20 London Fog, Inc. Gas compressor
US4569639A (en) * 1982-05-03 1986-02-11 Tecumseh Products Company Oil distribution system for a compressor
US4881879A (en) * 1987-12-24 1989-11-21 Tecumseh Products Company Rotary compressor gas routing for muffler system
US5499908A (en) * 1992-09-30 1996-03-19 Tecumseh Products Company Method of making foam in an energy efficient compressor
US20010047718A1 (en) * 2000-03-31 2001-12-06 Murdoch Robert W. Piston assembly for reducing the temperature of a compressor cup seal
US20020071774A1 (en) * 2000-12-11 2002-06-13 Hak-Joon Lee Compressor with mufflers
US6733258B2 (en) * 2001-10-19 2004-05-11 Denso Corporation Gas compressor apparatus having a discharge pulsation reducing cooler
US7210912B2 (en) * 2000-12-01 2007-05-01 Tecumseh Products Company Reciprocating piston compressor having improved noise attenuation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196797A (en) * 1961-09-18 1965-07-27 Mario Pagano S P A Dynamic thrust electromagnetic compressor, particularly suitable for compressing liquid or gaseous substances
GB1082686A (en) * 1963-06-27 1967-09-06 J & E Hall Ltd Improvements in and relating to compressors
DE2317038A1 (de) * 1973-04-05 1974-10-17 Heinrich Dipl Ing Doelz Magnetanordnung fuer einen elektrodynamischen schwingverdichter
JPS63100285A (ja) * 1986-10-17 1988-05-02 Hitachi Ltd 圧縮機
US5224840A (en) 1991-03-28 1993-07-06 Tecumseh Products Company Integral suction system
KR100504319B1 (ko) * 1996-07-09 2005-09-26 산요덴키가부시키가이샤 선형압축기

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814550A (en) * 1972-12-07 1974-06-04 Gen Electric Motor arrangement and lubrication system for oscillatory compressor
US4536132A (en) * 1981-02-25 1985-08-20 London Fog, Inc. Gas compressor
US4569639A (en) * 1982-05-03 1986-02-11 Tecumseh Products Company Oil distribution system for a compressor
US4881879A (en) * 1987-12-24 1989-11-21 Tecumseh Products Company Rotary compressor gas routing for muffler system
US5499908A (en) * 1992-09-30 1996-03-19 Tecumseh Products Company Method of making foam in an energy efficient compressor
US20010047718A1 (en) * 2000-03-31 2001-12-06 Murdoch Robert W. Piston assembly for reducing the temperature of a compressor cup seal
US7210912B2 (en) * 2000-12-01 2007-05-01 Tecumseh Products Company Reciprocating piston compressor having improved noise attenuation
US20020071774A1 (en) * 2000-12-11 2002-06-13 Hak-Joon Lee Compressor with mufflers
US6733258B2 (en) * 2001-10-19 2004-05-11 Denso Corporation Gas compressor apparatus having a discharge pulsation reducing cooler

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080236184A1 (en) * 2007-03-30 2008-10-02 Fujitsu General Limited Injectible two-staged rotary compressor and heat pump system
US8857211B2 (en) * 2007-03-30 2014-10-14 Fujitsu General Limited Injectable two-staged rotary compressor and heat pump system
US20090116983A1 (en) * 2007-11-01 2009-05-07 Sang-Sub Jeong Reciprocating compressor
US8177529B2 (en) * 2007-11-01 2012-05-15 Lg Electronics, Inc. Reciprocating compressor
US20150226203A1 (en) * 2014-02-10 2015-08-13 General Electric Company Linear compressor
US9322401B2 (en) * 2014-02-10 2016-04-26 General Electric Company Linear compressor
US20160006331A1 (en) * 2014-07-07 2016-01-07 Lg Electronics Inc. Linear compressor and linear motor
US10205370B2 (en) * 2014-07-07 2019-02-12 Lg Electronics Inc. Linear compressor and linear motor
US11448214B2 (en) * 2020-03-06 2022-09-20 Lg Electronics Inc. Compressor including a heat radiating member

Also Published As

Publication number Publication date
EP1609991A1 (en) 2005-12-28
CN1712705A (zh) 2005-12-28
KR20050121053A (ko) 2005-12-26

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SAMSUNG ELECTRONICS CO., LTD., KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LEE, SEOK-JIN;REEL/FRAME:016407/0807

Effective date: 20050207

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION