WO2018088231A1 - 消音器 - Google Patents

消音器 Download PDF

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Publication number
WO2018088231A1
WO2018088231A1 PCT/JP2017/038801 JP2017038801W WO2018088231A1 WO 2018088231 A1 WO2018088231 A1 WO 2018088231A1 JP 2017038801 W JP2017038801 W JP 2017038801W WO 2018088231 A1 WO2018088231 A1 WO 2018088231A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve body
valve
valve seat
communication hole
silencer
Prior art date
Application number
PCT/JP2017/038801
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
政寛 菊池
Original Assignee
株式会社神戸製鋼所
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 株式会社神戸製鋼所 filed Critical 株式会社神戸製鋼所
Priority to CN201780068827.8A priority Critical patent/CN109923310B/zh
Publication of WO2018088231A1 publication Critical patent/WO2018088231A1/ja

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Classifications

    • 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
    • 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
    • F04B39/10—Adaptations or arrangements of distribution members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members

Definitions

  • this problem can be suppressed by a taper part, and the backflow of a fluid can be suppressed stably. Furthermore, since the rigidity of a valve body can be improved by making a part of valve body into a taper shape, the plate
  • the induction tube 10 is a circular tube that defines an induction chamber 11 therein and guides compressed air discharged from the compressor 2 (see FIG. 1) to an expansion chamber 21 described later.
  • a circular opening 23 is provided at an end portion of the inflating portion 20 that faces the connecting portion 30.
  • the opening 23 is closed by a disc-shaped lid 24.
  • the outer shape of the lid body 24 is substantially the same as the outer shape of the housing 3.
  • the lid 24 is detachably attached to the housing 3 and is attached to the housing 3 by, for example, screwing.
  • the area of the valve body 25 of this embodiment is about 25% of the cross-sectional area of the expansion chamber 21.
  • the area of the valve body 25 is preferably less than 70% of the cross-sectional area of the expansion chamber 21.
  • the valve body 25 does not become an acoustically rigid boundary, and in the induction chamber 11, the sound wave toward the valve body 25 and the valve body 25 Resonance of the reflected sound wave can be suppressed.
  • the valve body 25 is made larger than a certain level, resonance between the sound wave directed to the valve body 25 and the sound wave reflected by the valve body 25 occurs in the induction chamber 11, and a drop in the sound reduction effect at a specific frequency occurs (FIG. 3). (See arrow inside).
  • the inventor of the present application has found that the resonance occurs when the area of the valve body 25 is 70% or more with respect to the cross-sectional area of the expansion chamber 21.
  • the valve body 25 is prevented from functioning as a rigid wall, and the amount of reflected sound waves at the valve body 25 is reduced. This resonance can be suppressed. Thereby, the fall of the sound reduction effect in a specific frequency (refer the arrow in FIG. 3) can be suppressed.
  • the check valve 5 since the valve body 25 abuts on the valve seat 33 at the taper portion 25a, the flow path of the compressed air gradually expands compared to the case where the valve body 25 abuts on the flat plate portion 25b, so that an increase in pressure loss can be suppressed.
  • the check valve 5 since the check valve 5 includes a spring, the check valve 5 opens only when the pressure on the upstream side (the induction chamber 11 side) of the spring 26 is higher than the downstream side (the expansion chamber 21 side) by a certain level. That is, the spring 26 can easily realize a backflow suppressing function.
  • FIG. 6 is a schematic side cross-sectional view of the silencer 1 according to the second embodiment.
  • the configuration other than the regulating member 27 is the same as that of the first embodiment of FIG. Therefore, the same components as those shown in FIG.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Compressor (AREA)
  • Check Valves (AREA)
  • Lift Valve (AREA)
  • Exhaust Silencers (AREA)
  • Details Of Valves (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
PCT/JP2017/038801 2016-11-09 2017-10-26 消音器 WO2018088231A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201780068827.8A CN109923310B (zh) 2016-11-09 2017-10-26 消声器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-219101 2016-11-09
JP2016219101A JP6830795B2 (ja) 2016-11-09 2016-11-09 消音器

Publications (1)

Publication Number Publication Date
WO2018088231A1 true WO2018088231A1 (ja) 2018-05-17

Family

ID=62109474

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/038801 WO2018088231A1 (ja) 2016-11-09 2017-10-26 消音器

Country Status (4)

Country Link
JP (1) JP6830795B2 (zh)
CN (1) CN109923310B (zh)
TW (1) TWI659148B (zh)
WO (1) WO2018088231A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102394076B1 (ko) 2018-04-12 2022-05-06 스미또모 덴꼬오 하드메탈 가부시끼가이샤 드레서
CN112196638A (zh) * 2020-09-29 2021-01-08 艾瑞鸿泰(上海)汽车技术有限公司 一种回弹簧片式排气系统降噪阀门

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134103A (en) * 1976-05-03 1977-11-10 Siemens Ag Pumping means for gaseous or liquified helium
JPS54150723A (en) * 1978-05-16 1979-11-27 Mokveld Mach Bv Check valve
JPS61130774U (zh) * 1985-02-04 1986-08-15
JP2016006318A (ja) * 2014-05-30 2016-01-14 株式会社神戸製鋼所 消音器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001280254A (ja) * 2000-03-31 2001-10-10 Daikin Ind Ltd 冷凍装置用の圧縮機
JP2010249292A (ja) * 2009-04-20 2010-11-04 Chugoku Electric Power Co Inc:The リーク機能付き逆止弁
CN203823166U (zh) * 2014-04-03 2014-09-10 北京思瑞德医疗器械有限公司 安全阀

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134103A (en) * 1976-05-03 1977-11-10 Siemens Ag Pumping means for gaseous or liquified helium
JPS54150723A (en) * 1978-05-16 1979-11-27 Mokveld Mach Bv Check valve
JPS61130774U (zh) * 1985-02-04 1986-08-15
JP2016006318A (ja) * 2014-05-30 2016-01-14 株式会社神戸製鋼所 消音器

Also Published As

Publication number Publication date
CN109923310B (zh) 2021-06-04
JP6830795B2 (ja) 2021-02-17
TW201821688A (zh) 2018-06-16
JP2018076822A (ja) 2018-05-17
TWI659148B (zh) 2019-05-11
CN109923310A (zh) 2019-06-21

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