EP3726055A4 - Vacuum pump vent pipe silencer and refrigerator having same - Google Patents

Vacuum pump vent pipe silencer and refrigerator having same Download PDF

Info

Publication number
EP3726055A4
EP3726055A4 EP18889024.8A EP18889024A EP3726055A4 EP 3726055 A4 EP3726055 A4 EP 3726055A4 EP 18889024 A EP18889024 A EP 18889024A EP 3726055 A4 EP3726055 A4 EP 3726055A4
Authority
EP
European Patent Office
Prior art keywords
refrigerator
same
vacuum pump
vent pipe
pipe silencer
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.)
Withdrawn
Application number
EP18889024.8A
Other languages
German (de)
French (fr)
Other versions
EP3726055A1 (en
Inventor
Chun Yang
Jianquan Chen
Hao Zhang
Enpin XIA
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.)
Qingdao Haier Co Ltd
Original Assignee
Qingdao Haier 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 Qingdao Haier Co Ltd filed Critical Qingdao Haier Co Ltd
Publication of EP3726055A1 publication Critical patent/EP3726055A1/en
Publication of EP3726055A4 publication Critical patent/EP3726055A4/en
Withdrawn legal-status Critical Current

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
    • F04B39/0027—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
    • F04B39/0027—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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/023—Helmholtz resonators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/026—Annular resonance chambers arranged concentrically to an exhaust passage and communicating with it, e.g. via at least one opening in the exhaust passage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
    • 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
    • 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
    • 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
    • F04B39/0033—Pulsation and noise damping means with encapsulations
    • 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
    • F04B39/0066—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using sidebranch resonators, e.g. Helmholtz resonators
    • 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
    • F04B39/0083—Pulsation and noise damping means using blow off silencers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/02—Two or more expansion chambers in series connected by means of tubes
    • F01N2490/06—Two or more expansion chambers in series connected by means of tubes the gases flowing longitudinally from inlet to outlet in opposite directions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/247—Active noise-suppression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compressor (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP18889024.8A 2017-12-11 2018-12-07 Vacuum pump vent pipe silencer and refrigerator having same Withdrawn EP3726055A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711311262.XA CN107989774A (en) 2017-12-11 2017-12-11 Vacuum pump discharges pipe muffler and refrigerator
PCT/CN2018/119773 WO2019114625A1 (en) 2017-12-11 2018-12-07 Vacuum pump vent pipe silencer and refrigerator having same

Publications (2)

Publication Number Publication Date
EP3726055A1 EP3726055A1 (en) 2020-10-21
EP3726055A4 true EP3726055A4 (en) 2020-11-11

Family

ID=62035864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18889024.8A Withdrawn EP3726055A4 (en) 2017-12-11 2018-12-07 Vacuum pump vent pipe silencer and refrigerator having same

Country Status (5)

Country Link
US (1) US20210180581A1 (en)
EP (1) EP3726055A4 (en)
CN (1) CN107989774A (en)
AU (1) AU2018386133A1 (en)
WO (1) WO2019114625A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108150388B (en) * 2017-12-11 2020-04-21 青岛海尔股份有限公司 Cavity muffler and refrigerator
CN108253701B (en) 2017-12-11 2020-05-26 青岛海尔股份有限公司 Vacuum assembly with plate-shaped sound insulation member and refrigerator
CN107989774A (en) * 2017-12-11 2018-05-04 青岛海尔股份有限公司 Vacuum pump discharges pipe muffler and refrigerator
CN112761931B (en) * 2019-10-21 2023-07-04 安徽美芝制冷设备有限公司 Connection structure, exhaust muffler, muffler and compressor
GB2590667B (en) * 2019-12-23 2022-10-12 Edwards S R O Exhaust coupling
CN111197899B (en) * 2020-03-09 2022-01-07 海信（山东）冰箱有限公司 A kind of refrigerator
EP4033097B1 (en) * 2020-11-30 2024-04-24 Anhui Meizhi Compressor Co., Ltd. Suction muffler
CN113417829B (en) * 2021-07-09 2022-05-27 同济大学 Design method of multi-cavity muffler for fuel cell vehicle
CN114992094B (en) * 2022-06-16 2024-04-19 江西省陛快管道科技有限公司 Exhaust pipe structure for air compressor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4911262A (en) * 1986-11-21 1990-03-27 Nihon Radiator Co., Ltd. Muffler
US5708237A (en) * 1996-03-06 1998-01-13 Nissan Motor Co., Ltd. Automobile exhaust noise silencer
US5984045A (en) * 1997-02-14 1999-11-16 Nissan Motor Co., Ltd. Engine exhaust noise suppressor
CN101886624A (en) * 2010-07-05 2010-11-17 苏州盟通利机电设备有限公司 Vacuum pump without pressure difference

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111278A (en) * 1977-02-09 1978-09-05 Copeland Corporation Discharge muffler
WO1995013460A1 (en) * 1993-11-09 1995-05-18 Futaba Industrial Co., Ltd. Muffler for an internal combustion engine
US5614699A (en) * 1994-05-09 1997-03-25 Nissan Motor Co., Ltd. Automobile exhaust noise suppressor
JPH10299473A (en) * 1997-04-22 1998-11-10 Calsonic Corp Control type muffler
JP2002089256A (en) * 2000-09-20 2002-03-27 Calsonic Kansei Corp Valve for control muffler
US7063182B2 (en) * 2003-08-14 2006-06-20 Arvinmeritor Technology, Llc Muffler baffle plate spacer formed from stock material
CN103644699B (en) * 2013-12-06 2016-06-15 南京创维家用电器有限公司 Vacuum drawer and refrigerator
CN203925672U (en) * 2014-04-29 2014-11-05 重庆辉虎催化器有限公司 Automobile exhaust muffler
CN108302008B (en) * 2017-12-11 2021-03-23 海尔智家股份有限公司 Refrigerator vacuum assembly and refrigerator
CN108131277B (en) * 2017-12-11 2021-03-23 海尔智家股份有限公司 Refrigerator vacuum assembly and refrigerator
CN107989774A (en) * 2017-12-11 2018-05-04 青岛海尔股份有限公司 Vacuum pump discharges pipe muffler and refrigerator
CN108195126B (en) * 2017-12-11 2020-07-24 青岛海尔股份有限公司 Vacuum assembly with integrally-formed air pipe component and refrigerator
CN108150388B (en) * 2017-12-11 2020-04-21 青岛海尔股份有限公司 Cavity muffler and refrigerator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4911262A (en) * 1986-11-21 1990-03-27 Nihon Radiator Co., Ltd. Muffler
US5708237A (en) * 1996-03-06 1998-01-13 Nissan Motor Co., Ltd. Automobile exhaust noise silencer
US5984045A (en) * 1997-02-14 1999-11-16 Nissan Motor Co., Ltd. Engine exhaust noise suppressor
CN101886624A (en) * 2010-07-05 2010-11-17 苏州盟通利机电设备有限公司 Vacuum pump without pressure difference

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019114625A1 *

Also Published As

Publication number Publication date
AU2018386133A1 (en) 2020-06-25
US20210180581A1 (en) 2021-06-17
EP3726055A1 (en) 2020-10-21
CN107989774A (en) 2018-05-04
WO2019114625A1 (en) 2019-06-20

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