DK99783D0 - Fremgangsmade og apparat til akustisk fejldetektering - Google Patents

Fremgangsmade og apparat til akustisk fejldetektering

Info

Publication number
DK99783D0
DK99783D0 DK0997/83A DK99783A DK99783D0 DK 99783 D0 DK99783 D0 DK 99783D0 DK 0997/83 A DK0997/83 A DK 0997/83A DK 99783 A DK99783 A DK 99783A DK 99783 D0 DK99783 D0 DK 99783D0
Authority
DK
Denmark
Prior art keywords
error detection
acoustic error
acoustic
detection
error
Prior art date
Application number
DK0997/83A
Other languages
English (en)
Other versions
DK99783A (da
Inventor
Bernard Darrel
Iii Joseph Czechowski
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of DK99783D0 publication Critical patent/DK99783D0/da
Publication of DK99783A publication Critical patent/DK99783A/da

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/28—Safety arrangements; Monitoring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4454—Signal recognition, e.g. specific values or portions, signal events, signatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/12—Vibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects
    • G01N2291/2696—Wheels, Gears, Bearings

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DK99783A 1982-03-22 1983-02-28 Fremgangsmaade og apparat til akustisk fejldetektering DK99783A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/360,293 US4429578A (en) 1982-03-22 1982-03-22 Acoustical defect detection system

Publications (2)

Publication Number Publication Date
DK99783D0 true DK99783D0 (da) 1983-02-28
DK99783A DK99783A (da) 1983-09-23

Family

ID=23417387

Family Applications (1)

Application Number Title Priority Date Filing Date
DK99783A DK99783A (da) 1982-03-22 1983-02-28 Fremgangsmaade og apparat til akustisk fejldetektering

Country Status (5)

Country Link
US (1) US4429578A (da)
JP (1) JPS58176545A (da)
DK (1) DK99783A (da)
FR (1) FR2523726A1 (da)
IT (1) IT1160808B (da)

Families Citing this family (138)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58150859A (ja) * 1982-03-03 1983-09-07 Hitachi Ltd 回転体の亀裂診断装置
US4484820A (en) * 1982-05-25 1984-11-27 Therma-Wave, Inc. Method for evaluating the quality of the bond between two members utilizing thermoacoustic microscopy
JPS59174732A (ja) * 1983-03-24 1984-10-03 Mitsubishi Electric Corp ギアユニツトの異常判定装置
JPS59178357A (ja) * 1983-03-29 1984-10-09 Mitsubishi Electric Corp 歯車の異常音検出装置
US4520674A (en) * 1983-11-14 1985-06-04 Technology For Energy Corporation Vibration monitoring device
US4530240A (en) * 1983-11-15 1985-07-23 Diagnostic Equipment Development, Inc. Method and apparatus for diagnosing machine condition
US4607529A (en) * 1984-03-21 1986-08-26 John Morey Vibration analysis
GB2159952B (en) * 1984-05-22 1988-08-10 Micro Control Tech Ltd Method of operating a helicopter
US4744242A (en) * 1986-09-16 1988-05-17 The Boeing Company Method for monitoring cutting tool wear during a machining operation
JP2539393B2 (ja) * 1986-10-17 1996-10-02 株式会社日立製作所 被試験体のａｅ診断装置
US4885707A (en) * 1987-02-19 1989-12-05 Dli Corporation Vibration data collecting and processing apparatus and method
US4808932A (en) * 1987-05-15 1989-02-28 Electric Power Research Institute, Inc. Rotor fault and location detector for induction motors
FI77490B (fi) * 1987-06-23 1988-11-30 Safematic Ltd Oy Foerfarande foer identifiering av ytskador pao en stenvals i ett pressparti vid en pappersmaskin eller liknande.
SE460315B (sv) * 1988-10-13 1989-09-25 Ludwik Jan Liszka Saett att fortloepande oevervaka drifttillstaandet hos en maskin
US4901575A (en) * 1988-11-30 1990-02-20 Gp Taurio, Inc. Methods and apparatus for monitoring structural members subject to transient loads
US4956999A (en) * 1988-11-30 1990-09-18 Gp Taurio, Inc. Methods and apparatus for monitoring structural members subject to transient loads
US4977395A (en) * 1989-01-31 1990-12-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Vibration analyzer
JP2515876B2 (ja) * 1989-03-10 1996-07-10 株式会社日立製作所 被検体のａｅ診断装置
JPH0748070B2 (ja) * 1989-03-15 1995-05-24 株式会社日立製作所 摺動運動部の信頼性評価システム
US5008841B1 (en) * 1989-07-28 1995-09-19 Liberty Technologies Inc Non-invasive system and method for inspection of valves
FR2651300A1 (fr) * 1989-08-30 1991-03-01 Coflexip Procede de surveillance en service de cables et conduites tubulaires flexibles et capteur acoustique pour la mise en óoeuvre de ce procede.
US5176032A (en) * 1990-02-21 1993-01-05 Stresswave Technology Limited Method and apparatus for processing electrical signals and a stress wave sensor
US5086273A (en) * 1990-04-20 1992-02-04 Liberty Technology Center, Inc. A.C. electromagnetic system for determining position of an encased movable electrically conductive element
US5140263A (en) * 1990-04-20 1992-08-18 Liberty Technology Center, Inc. System for determining position of an internal, movable conductive element
JPH04152241A (ja) * 1990-10-16 1992-05-26 Nittetsu Eretsukusu:Kk 設備または製品の異常監視装置
US5255565A (en) * 1991-11-12 1993-10-26 Vibra-Metrics, Inc. Method and apparatus for monitoring multiple points on a vibrating structure
ES2096286T3 (es) * 1992-05-22 1997-03-01 Siemens Ag Procedimiento de ensayo para el control de calidad de aparatos de conmutacion activados electromagneticamente.
US5448911A (en) * 1993-02-18 1995-09-12 Baker Hughes Incorporated Method and apparatus for detecting impending sticking of a drillstring
WO1994028388A1 (en) * 1993-05-25 1994-12-08 Commonwealth Scientific And Industrial Research Organisation Method and system for detecting a discontinuity in a structure
FR2721712B1 (fr) * 1994-06-24 1996-07-26 Gec Alsthom Stein Ind Circuit de calcul du glissement de la fréquence d'un pic d'absorption.
US5610339A (en) * 1994-10-20 1997-03-11 Ingersoll-Rand Company Method for collecting machine vibration data
NL9401949A (nl) * 1994-11-22 1996-07-01 Skf Ind Trading & Dev Werkwijze voor het analyseren van regelmatig geëxciteerde mechanische trillingen.
US5804726A (en) * 1995-10-16 1998-09-08 Mtd Products Inc. Acoustic signature analysis for a noisy enviroment
US5895857A (en) * 1995-11-08 1999-04-20 Csi Technology, Inc. Machine fault detection using vibration signal peak detector
US5646350A (en) * 1996-01-23 1997-07-08 Computational Systems Inc. Monitoring slow speed machinery using integrator and selective correction of frequency spectrum
US5614676A (en) * 1996-03-08 1997-03-25 The Goodyear Tire & Rubber Company Method of machine vibration analysis for tire uniformity machine
US5744723A (en) * 1996-05-10 1998-04-28 Csi Technology, Inc. Method for determining rotational speed from machine vibration data
US5943634A (en) * 1996-05-14 1999-08-24 Csi Technology, Inc. Vibration data analysis based on time waveform parameters
US6275591B1 (en) 1996-10-22 2001-08-14 Ford Global Technologies, Inc. Method and apparatus for extracting a component signal from a composite signal
US5975854A (en) * 1997-05-09 1999-11-02 Copeland Corporation Compressor with protection module
DE19727114C2 (de) * 1997-06-26 2002-08-08 Busch Dieter & Co Prueftech Verfahren zur Ermittlung und Darstellung von Spektren für Schwingungssignale
US6215514B1 (en) * 1997-06-27 2001-04-10 Trilithic, Inc. Ingress monitoring system
US5905440A (en) * 1997-12-19 1999-05-18 Battelle Memorial Institute Acoustic emission severance detector and method
US7539549B1 (en) 1999-09-28 2009-05-26 Rockwell Automation Technologies, Inc. Motorized system integrated control and diagnostics using vibration, pressure, temperature, speed, and/or current analysis
US6289735B1 (en) * 1998-09-29 2001-09-18 Reliance Electric Technologies, Llc Machine diagnostic system and method for vibration analysis
US6236950B1 (en) 1998-10-30 2001-05-22 Caterpiller Inc. Automatic stencil generation system and method
US6510397B1 (en) 1999-03-13 2003-01-21 Textron Systems Corporation Method and apparatus for self-diagnosis of a sensor
US6694285B1 (en) 1999-03-13 2004-02-17 Textron System Corporation Method and apparatus for monitoring rotating machinery
US6425293B1 (en) 1999-03-13 2002-07-30 Textron Systems Corporation Sensor plug
US6546814B1 (en) 1999-03-13 2003-04-15 Textron Systems Corporation Method and apparatus for estimating torque in rotating machinery
DE19924377B4 (de) * 1999-05-27 2004-12-02 Siemens Ag Diagnosesystem für ein von einem Stellungsregler über einen Antrieb betätigbares Ventil
US6505475B1 (en) 1999-08-20 2003-01-14 Hudson Technologies Inc. Method and apparatus for measuring and improving efficiency in refrigeration systems
DE19945058A1 (de) * 1999-09-20 2001-03-22 Moeller Gmbh Verfahren zur Bestimmung der Restlebensdauer der Schaltkontakte in einem elektrischen Schaltgerät und ein elektrisches Schaltgerät mit einer Auswerteeinrichtung zur Durchführung des Verfahrens
US6302654B1 (en) * 2000-02-29 2001-10-16 Copeland Corporation Compressor with control and protection system
US6647735B2 (en) 2000-03-14 2003-11-18 Hussmann Corporation Distributed intelligence control for commercial refrigeration
US6332327B1 (en) 2000-03-14 2001-12-25 Hussmann Corporation Distributed intelligence control for commercial refrigeration
US6973794B2 (en) * 2000-03-14 2005-12-13 Hussmann Corporation Refrigeration system and method of operating the same
US7047753B2 (en) * 2000-03-14 2006-05-23 Hussmann Corporation Refrigeration system and method of operating the same
US7000422B2 (en) 2000-03-14 2006-02-21 Hussmann Corporation Refrigeration system and method of configuring the same
US6999996B2 (en) * 2000-03-14 2006-02-14 Hussmann Corporation Communication network and method of communicating data on the same
US6332362B1 (en) * 2000-04-18 2001-12-25 Lg Electronics Inc. Device and method for detecting anomaly of air conditioner by using acoustic emission method
US20020019983A1 (en) * 2000-06-05 2002-02-14 Emsley Brett W. Testing instrument
US6684700B1 (en) 2000-08-11 2004-02-03 Swantech, L.L.C. Stress wave sensor
IT1318802B1 (it) * 2000-08-31 2003-09-10 Nuovo Pignone Spa Sistema di diagnosi remota dello stato di usura delle valvole diaspirazione e mandata di compressori alternativi.
US6604013B1 (en) 2000-10-11 2003-08-05 Ford Motor Company Tool failure detection utilizing frequency derived, pre-characterization templates
US6892546B2 (en) 2001-05-03 2005-05-17 Emerson Retail Services, Inc. System for remote refrigeration monitoring and diagnostics
US6668240B2 (en) * 2001-05-03 2003-12-23 Emerson Retail Services Inc. Food quality and safety model for refrigerated food
US6536284B2 (en) * 2001-06-12 2003-03-25 General Electric Company Method and apparatus for compressor control and operation via detection of stall precursors using frequency demodulation of acoustic signatures
US7059191B2 (en) * 2001-09-21 2006-06-13 Texas Instruments Incorporated Determining defective devices which generate sound during operation
US6750776B2 (en) * 2002-02-27 2004-06-15 Nec Machinery Corporation Machines having drive member and method for diagnosing the same
WO2004029743A1 (en) * 2002-09-24 2004-04-08 Invensys Controls Uk Ltd. Diagnostic tool for an energy conversion appliance
US7003426B2 (en) * 2002-10-04 2006-02-21 General Electric Company Method and system for detecting precursors to compressor stall and surge
US6889173B2 (en) * 2002-10-31 2005-05-03 Emerson Retail Services Inc. System for monitoring optimal equipment operating parameters
US6772633B2 (en) * 2002-12-11 2004-08-10 Hewlett-Packard Development Company, L.P. Acoustics-based diagnostics
FR2852693B1 (fr) * 2003-03-19 2005-06-24 Kirpy Systemes embarques de detection predictive de defaillances des paliers d'appareils mobiles de travail du sol tels que des engins de travaux publics ou agricoles
US7290398B2 (en) * 2003-08-25 2007-11-06 Computer Process Controls, Inc. Refrigeration control system
US6925879B2 (en) * 2003-09-30 2005-08-09 Spx Corporation Vibration analyzer and method
US7412842B2 (en) * 2004-04-27 2008-08-19 Emerson Climate Technologies, Inc. Compressor diagnostic and protection system
GB0411447D0 (en) * 2004-05-21 2004-06-23 Navitas Uk Ltd Valve monitoring system
US7275377B2 (en) 2004-08-11 2007-10-02 Lawrence Kates Method and apparatus for monitoring refrigerant-cycle systems
US7610765B2 (en) * 2004-12-27 2009-11-03 Carrier Corporation Refrigerant charge status indication method and device
US20060137369A1 (en) * 2004-12-27 2006-06-29 Carrier Corporation Single sensor three-step refrigerant charge indicator
US20060138771A1 (en) * 2004-12-27 2006-06-29 Carrier Corporation Braze-free connector for joining a pair of flow lines
US7712319B2 (en) * 2004-12-27 2010-05-11 Carrier Corporation Refrigerant charge adequacy gauge
US7552596B2 (en) * 2004-12-27 2009-06-30 Carrier Corporation Dual thermochromic liquid crystal temperature sensing for refrigerant charge indication
US20060138772A1 (en) * 2004-12-27 2006-06-29 Carrier Corporation Braze-free connector
US7472557B2 (en) * 2004-12-27 2009-01-06 Carrier Corporation Automatic refrigerant charging apparatus
EP1851959B1 (en) * 2005-02-21 2012-04-11 Computer Process Controls, Inc. Enterprise control and monitoring system
US7419192B2 (en) * 2005-07-13 2008-09-02 Carrier Corporation Braze-free connector utilizing a sealant coated ferrule
US7596959B2 (en) 2005-10-21 2009-10-06 Emerson Retail Services, Inc. Monitoring compressor performance in a refrigeration system
US7665315B2 (en) * 2005-10-21 2010-02-23 Emerson Retail Services, Inc. Proofing a refrigeration system operating state
US7752853B2 (en) 2005-10-21 2010-07-13 Emerson Retail Services, Inc. Monitoring refrigerant in a refrigeration system
US7594407B2 (en) 2005-10-21 2009-09-29 Emerson Climate Technologies, Inc. Monitoring refrigerant in a refrigeration system
US7752854B2 (en) * 2005-10-21 2010-07-13 Emerson Retail Services, Inc. Monitoring a condenser in a refrigeration system
US20070089435A1 (en) * 2005-10-21 2007-04-26 Abtar Singh Predicting maintenance in a refrigeration system
US20070089436A1 (en) * 2005-10-21 2007-04-26 Abtar Singh Monitoring refrigerant in a refrigeration system
US20070093732A1 (en) * 2005-10-26 2007-04-26 David Venturi Vibroacoustic sound therapeutic system and method
JP4483770B2 (ja) * 2005-11-18 2010-06-16 株式会社デンソー 電磁弁異常診断方法
US8590325B2 (en) 2006-07-19 2013-11-26 Emerson Climate Technologies, Inc. Protection and diagnostic module for a refrigeration system
US20080216494A1 (en) * 2006-09-07 2008-09-11 Pham Hung M Compressor data module
DE102006058689A1 (de) * 2006-12-13 2008-06-19 Mannesmann Plastics Machinery Gmbh Verfahren und Vorrichtung zum Diagnostizieren des Zustandes eines Maschinenbauteils
WO2008079111A1 (en) * 2006-12-20 2008-07-03 Carrier Corporation Method for determining refrigerant charge
WO2008079108A1 (en) * 2006-12-20 2008-07-03 Carrier Corporation Refrigerant charge indication
US20090022536A1 (en) * 2007-07-18 2009-01-22 Hewlett-Packard Development Company Lp Sound based media drive
US20090037142A1 (en) 2007-07-30 2009-02-05 Lawrence Kates Portable method and apparatus for monitoring refrigerant-cycle systems
US20110182094A1 (en) * 2007-08-13 2011-07-28 The Powerwise Group, Inc. System and method to manage power usage
US8619443B2 (en) 2010-09-29 2013-12-31 The Powerwise Group, Inc. System and method to boost voltage
US8085009B2 (en) 2007-08-13 2011-12-27 The Powerwise Group, Inc. IGBT/FET-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation
US8698447B2 (en) 2007-09-14 2014-04-15 The Powerwise Group, Inc. Energy saving system and method for devices with rotating or reciprocating masses
US8810190B2 (en) * 2007-09-14 2014-08-19 The Powerwise Group, Inc. Motor controller system and method for maximizing energy savings
US8393169B2 (en) 2007-09-19 2013-03-12 Emerson Climate Technologies, Inc. Refrigeration monitoring system and method
US9140728B2 (en) 2007-11-02 2015-09-22 Emerson Climate Technologies, Inc. Compressor sensor module
US8160827B2 (en) * 2007-11-02 2012-04-17 Emerson Climate Technologies, Inc. Compressor sensor module
DE102008029087A1 (de) * 2008-06-20 2009-12-24 Schaeffler Kg Überwachungssystem für ein Schwingungen unterworfenes Aggregat
US20110125300A1 (en) * 2008-08-25 2011-05-26 International Business Machines Corporation Non-Intrusive Acoustic Monitoring for Equipment Diagnostic and Fault Reporting
US20100049343A1 (en) * 2008-08-25 2010-02-25 International Business Machines Corporation Non-intrusive acoustic monitoring for equipment diagnostic and fault reporting
WO2010138831A2 (en) * 2009-05-29 2010-12-02 Emerson Retail Services, Inc. System and method for monitoring and evaluating equipment operating parameter modifications
US8297123B2 (en) 2009-07-30 2012-10-30 General Electric Company Detection of anomalous movement in a reciprocating device
BR112012005097A2 (pt) * 2009-09-08 2016-05-03 Powerwise Group Inc sistema de economia de energia e método para dispositivos com massas de alternância ou rotatórias
US8698446B2 (en) * 2009-09-08 2014-04-15 The Powerwise Group, Inc. Method to save energy for devices with rotating or reciprocating masses
US20110247418A1 (en) * 2010-04-08 2011-10-13 General Electric Company System and method for monitoring a compressor
US8919202B2 (en) * 2010-04-08 2014-12-30 General Electric Company System and method for monitoring health of stator vanes
CN103597292B (zh) 2011-02-28 2016-05-18 艾默生电气公司 用于建筑物的供暖、通风和空调hvac系统的监视系统和监视方法
US8843348B2 (en) 2011-06-14 2014-09-23 Hamilton Sundstrand Corporation Engine noise monitoring as engine health management tool
US9759465B2 (en) 2011-12-27 2017-09-12 Carrier Corporation Air conditioner self-charging and charge monitoring system
US8964338B2 (en) 2012-01-11 2015-02-24 Emerson Climate Technologies, Inc. System and method for compressor motor protection
US9480177B2 (en) 2012-07-27 2016-10-25 Emerson Climate Technologies, Inc. Compressor protection module
US9310439B2 (en) 2012-09-25 2016-04-12 Emerson Climate Technologies, Inc. Compressor having a control and diagnostic module
WO2014144446A1 (en) 2013-03-15 2014-09-18 Emerson Electric Co. Hvac system remote monitoring and diagnosis
US9803902B2 (en) 2013-03-15 2017-10-31 Emerson Climate Technologies, Inc. System for refrigerant charge verification using two condenser coil temperatures
US9551504B2 (en) 2013-03-15 2017-01-24 Emerson Electric Co. HVAC system remote monitoring and diagnosis
CN106030221B (zh) 2013-04-05 2018-12-07 艾默生环境优化技术有限公司 具有制冷剂充注诊断功能的热泵系统
JP6437729B2 (ja) * 2014-03-17 2018-12-12 株式会社日本システム研究所 絶縁異常診断装置
US10317275B2 (en) * 2016-01-20 2019-06-11 Simmonds Precision Products, Inc. Vibration monitoring systems
JP6630653B2 (ja) * 2016-10-06 2020-01-15 株式会社神戸製鋼所 回転機異常検出装置および該方法ならびに回転機
US11016003B2 (en) 2016-11-17 2021-05-25 Ez Pulley Llc Systems and methods for detection and analysis of faulty components in a rotating pulley system
US20190390665A1 (en) * 2018-06-25 2019-12-26 Al Alpine Us Bidco Inc. Methods and systems for diagnosing valve defects in reciprocating compressors
JP7157293B2 (ja) * 2021-03-18 2022-10-20 東芝情報システム株式会社 故障検知・予知装置及び故障検知・予知用プログラム

Also Published As

Publication number Publication date
IT8320151A0 (it) 1983-03-18
DK99783A (da) 1983-09-23
FR2523726A1 (fr) 1983-09-23
IT1160808B (it) 1987-03-11
JPS58176545A (ja) 1983-10-17
US4429578A (en) 1984-02-07

Similar Documents

Publication Publication Date Title
DK99783D0 (da) Fremgangsmade og apparat til akustisk fejldetektering
DK461684D0 (da) Metode og apparat til signalbearbejdning og syntetisering
DK512484D0 (da) Apparat og fremgangsmaade til mikrobiel patogen detektering
DK475683D0 (da) Fremgangsmade og apparat til indirekte forskydningsboelgebestemmelse
DK157108C (da) Fremgangsmaade og apparat til detektering af fejl
DK334382A (da) Fremgangsmaade og apparat til detektering af fejl i genstande
DK285081A (da) Fremgangsmaade og apparat til detektering af fejl
NO830004L (no) Fremgangsmaate og apparat for akustisk telemetrering
DK214083D0 (da) Fremgangsmade og apparat til transmembrandestillation
DK166183D0 (da) Fremgangsmade og apparat til sortering af emballager
NO814223L (no) Fremgangsmaate og anordning for presstoeping
DK157607C (da) Fremgangsmaade og apparat til ionbytning
DK161378C (da) Fremgangsmaade og apparat til traadvikling
DK552582A (da) Fremgangsmaade og apparat til fremstilling af poseformede indpakninger
DK430584D0 (da) Fremgangsmaade og apparat til plukning af fjerkrae
DK35985D0 (da) Fremgangsmaade og apparat til behandling af seismiske spordata
DK150298C (da) Fremgangsmaade og apparat til enkeltvis emneudtagning
DK509381A (da) Fremgangsmaade og apparat til meballering
DK255582A (da) Fremgangsmaade og apparat til induktionslogging
DK486980A (da) Fremgangsmaade og apparat til fotokopiering
DK159025C (da) Fremgangsmaade og apparat til udloesning af en seismisk implosionskilde under vand
NO801702L (no) Fremgangsmaate og apparat for proevetagning.
DK623484A (da) Fremgangsmaade og apparat til seismisk detektering
DK359984A (da) Fremgangsmaade og apparat til fastgoerelse af sammenfoejelige paneler
DK507984A (da) Fremgangsmaade og apparat til bestemmelse af svovltrioxid

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment