JPS6346244B2 - - Google Patents

Info

Publication number
JPS6346244B2
JPS6346244B2 JP56020994A JP2099481A JPS6346244B2 JP S6346244 B2 JPS6346244 B2 JP S6346244B2 JP 56020994 A JP56020994 A JP 56020994A JP 2099481 A JP2099481 A JP 2099481A JP S6346244 B2 JPS6346244 B2 JP S6346244B2
Authority
JP
Japan
Prior art keywords
cavity
noise
length
silencer
detection circuit
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.)
Expired
Application number
JP56020994A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57135212A (en
Inventor
Iku Harada
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP2099481A priority Critical patent/JPS57135212A/ja
Publication of JPS57135212A publication Critical patent/JPS57135212A/ja
Publication of JPS6346244B2 publication Critical patent/JPS6346244B2/ja
Granted legal-status Critical Current

Links

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
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/166—Silencing apparatus characterised by method of silencing by using movable parts for changing gas flow path through the silencer or for adjusting the dimensions of a chamber or a pipe

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
JP2099481A 1981-02-16 1981-02-16 Muffler Granted JPS57135212A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2099481A JPS57135212A (en) 1981-02-16 1981-02-16 Muffler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2099481A JPS57135212A (en) 1981-02-16 1981-02-16 Muffler

Publications (2)

Publication Number Publication Date
JPS57135212A JPS57135212A (en) 1982-08-20
JPS6346244B2 true JPS6346244B2 (xx) 1988-09-14

Family

ID=12042670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2099481A Granted JPS57135212A (en) 1981-02-16 1981-02-16 Muffler

Country Status (1)

Country Link
JP (1) JPS57135212A (xx)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5970868A (ja) * 1982-10-15 1984-04-21 Nippon Denso Co Ltd 容積可変式共鳴消音システム
JPS61129414A (ja) * 1984-11-27 1986-06-17 Agency Of Ind Science & Technol 適応型消音装置
JPS63118320U (xx) * 1987-01-26 1988-07-30
JPH04132814A (ja) * 1990-09-25 1992-05-07 Fujii Kogyo:Kk 変動周波数対応消音装置
US5475189A (en) * 1992-11-16 1995-12-12 Carrier Corporation Condition responsive muffler for refrigerant compressors
KR100405051B1 (ko) * 2001-04-18 2003-11-07 한국과학기술연구원 내연기관의 배기 소음 제어장치
JP3901483B2 (ja) * 2001-10-04 2007-04-04 ヤマハ発動機株式会社 エンジンの吸気音調整構造及び排気音調整構造
KR100435399B1 (ko) * 2001-10-09 2004-06-10 현대자동차주식회사 랙과 피니언을 이용한 도어 개폐형 머플러
US6698390B1 (en) * 2003-01-24 2004-03-02 Visteon Global Technologies, Inc. Variable tuned telescoping resonator
US6792907B1 (en) 2003-03-04 2004-09-21 Visteon Global Technologies, Inc. Helmholtz resonator
CN102392723A (zh) * 2011-10-28 2012-03-28 上海交通大学 排气管容积自调节式涡轮增压系统
CN103486394A (zh) * 2013-09-30 2014-01-01 同济大学 一种穿孔段长度可变的可调频微穿孔管消声器
US11624326B2 (en) 2017-05-21 2023-04-11 Bj Energy Solutions, Llc Methods and systems for supplying fuel to gas turbine engines
CN108826647B (zh) * 2018-06-13 2019-10-01 珠海格力电器股份有限公司 一种消音器结构和空调器
US11560845B2 (en) 2019-05-15 2023-01-24 Bj Energy Solutions, Llc Mobile gas turbine inlet air conditioning system and associated methods
US11604113B2 (en) 2019-09-13 2023-03-14 Bj Energy Solutions, Llc Fuel, communications, and power connection systems and related methods
US11015536B2 (en) 2019-09-13 2021-05-25 Bj Energy Solutions, Llc Methods and systems for supplying fuel to gas turbine engines
US10895202B1 (en) 2019-09-13 2021-01-19 Bj Energy Solutions, Llc Direct drive unit removal system and associated methods
CA3092865C (en) 2019-09-13 2023-07-04 Bj Energy Solutions, Llc Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US10989180B2 (en) 2019-09-13 2021-04-27 Bj Energy Solutions, Llc Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
CA3191280A1 (en) 2019-09-13 2021-03-13 Bj Energy Solutions, Llc Methods and systems for supplying fuel to gas turbine engines
US11002189B2 (en) 2019-09-13 2021-05-11 Bj Energy Solutions, Llc Mobile gas turbine inlet air conditioning system and associated methods
US10815764B1 (en) 2019-09-13 2020-10-27 Bj Energy Solutions, Llc Methods and systems for operating a fleet of pumps
US11015594B2 (en) 2019-09-13 2021-05-25 Bj Energy Solutions, Llc Systems and method for use of single mass flywheel alongside torsional vibration damper assembly for single acting reciprocating pump
CA3197583A1 (en) 2019-09-13 2021-03-13 Bj Energy Solutions, Llc Fuel, communications, and power connection systems and related methods
US11708829B2 (en) 2020-05-12 2023-07-25 Bj Energy Solutions, Llc Cover for fluid systems and related methods
US10968837B1 (en) 2020-05-14 2021-04-06 Bj Energy Solutions, Llc Systems and methods utilizing turbine compressor discharge for hydrostatic manifold purge
US11428165B2 (en) 2020-05-15 2022-08-30 Bj Energy Solutions, Llc Onboard heater of auxiliary systems using exhaust gases and associated methods
US11208880B2 (en) 2020-05-28 2021-12-28 Bj Energy Solutions, Llc Bi-fuel reciprocating engine to power direct drive turbine fracturing pumps onboard auxiliary systems and related methods
US11109508B1 (en) 2020-06-05 2021-08-31 Bj Energy Solutions, Llc Enclosure assembly for enhanced cooling of direct drive unit and related methods
US10961908B1 (en) 2020-06-05 2021-03-30 Bj Energy Solutions, Llc Systems and methods to enhance intake air flow to a gas turbine engine of a hydraulic fracturing unit
US11208953B1 (en) 2020-06-05 2021-12-28 Bj Energy Solutions, Llc Systems and methods to enhance intake air flow to a gas turbine engine of a hydraulic fracturing unit
US11111768B1 (en) 2020-06-09 2021-09-07 Bj Energy Solutions, Llc Drive equipment and methods for mobile fracturing transportation platforms
US11022526B1 (en) 2020-06-09 2021-06-01 Bj Energy Solutions, Llc Systems and methods for monitoring a condition of a fracturing component section of a hydraulic fracturing unit
US10954770B1 (en) 2020-06-09 2021-03-23 Bj Energy Solutions, Llc Systems and methods for exchanging fracturing components of a hydraulic fracturing unit
US11066915B1 (en) 2020-06-09 2021-07-20 Bj Energy Solutions, Llc Methods for detection and mitigation of well screen out
US11933153B2 (en) 2020-06-22 2024-03-19 Bj Energy Solutions, Llc Systems and methods to operate hydraulic fracturing units using automatic flow rate and/or pressure control
US11125066B1 (en) 2020-06-22 2021-09-21 Bj Energy Solutions, Llc Systems and methods to operate a dual-shaft gas turbine engine for hydraulic fracturing
US11939853B2 (en) 2020-06-22 2024-03-26 Bj Energy Solutions, Llc Systems and methods providing a configurable staged rate increase function to operate hydraulic fracturing units
US11028677B1 (en) 2020-06-22 2021-06-08 Bj Energy Solutions, Llc Stage profiles for operations of hydraulic systems and associated methods
US11473413B2 (en) 2020-06-23 2022-10-18 Bj Energy Solutions, Llc Systems and methods to autonomously operate hydraulic fracturing units
US11466680B2 (en) 2020-06-23 2022-10-11 Bj Energy Solutions, Llc Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units
US11149533B1 (en) 2020-06-24 2021-10-19 Bj Energy Solutions, Llc Systems to monitor, detect, and/or intervene relative to cavitation and pulsation events during a hydraulic fracturing operation
US11220895B1 (en) 2020-06-24 2022-01-11 Bj Energy Solutions, Llc Automated diagnostics of electronic instrumentation in a system for fracturing a well and associated methods
US11193360B1 (en) 2020-07-17 2021-12-07 Bj Energy Solutions, Llc Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations
US11639654B2 (en) 2021-05-24 2023-05-02 Bj Energy Solutions, Llc Hydraulic fracturing pumps to enhance flow of fracturing fluid into wellheads and related methods

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5114550A (ja) * 1974-07-27 1976-02-05 Tokico Ltd Shoonki
JPS5213401A (en) * 1975-07-21 1977-02-01 Christensen Inc Joint member for well pipe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5114550A (ja) * 1974-07-27 1976-02-05 Tokico Ltd Shoonki
JPS5213401A (en) * 1975-07-21 1977-02-01 Christensen Inc Joint member for well pipe

Also Published As

Publication number Publication date
JPS57135212A (en) 1982-08-20

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