ITMI910115A1 - Generatore pseudoindicatore di fase automatico - Google Patents

Generatore pseudoindicatore di fase automatico

Info

Publication number
ITMI910115A1
ITMI910115A1 IT000115A ITMI910115A ITMI910115A1 IT MI910115 A1 ITMI910115 A1 IT MI910115A1 IT 000115 A IT000115 A IT 000115A IT MI910115 A ITMI910115 A IT MI910115A IT MI910115 A1 ITMI910115 A1 IT MI910115A1
Authority
IT
Italy
Prior art keywords
automatic
pheudoindicator
phase
phase automatic
automatic pheudoindicator
Prior art date
Application number
IT000115A
Other languages
English (en)
Inventor
Ian Joseph King
Chow Michael Pichi
Original Assignee
Westinghouse Electric Corp Ora Cbs Corp
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 Westinghouse Electric Corp Ora Cbs Corp filed Critical Westinghouse Electric Corp Ora Cbs Corp
Publication of ITMI910115A0 publication Critical patent/ITMI910115A0/it
Publication of ITMI910115A1 publication Critical patent/ITMI910115A1/it
Application granted granted Critical
Publication of IT1253701B publication Critical patent/IT1253701B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Feedback Control In General (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
ITMI910115A 1990-01-31 1991-01-18 Generatore pseudoindicatore di fase automatico IT1253701B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/473,004 US5010769A (en) 1990-01-31 1990-01-31 Automatic pseudokeyphasor generator

Publications (3)

Publication Number Publication Date
ITMI910115A0 ITMI910115A0 (it) 1991-01-18
ITMI910115A1 true ITMI910115A1 (it) 1992-07-18
IT1253701B IT1253701B (it) 1995-08-23

Family

ID=23877787

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI910115A IT1253701B (it) 1990-01-31 1991-01-18 Generatore pseudoindicatore di fase automatico

Country Status (6)

Country Link
US (1) US5010769A (it)
JP (1) JPH04364428A (it)
KR (1) KR910014691A (it)
CA (1) CA2035278C (it)
ES (1) ES2024998A6 (it)
IT (1) IT1253701B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0692914B2 (ja) * 1989-04-14 1994-11-16 株式会社日立製作所 機器／設備の状態診断システム
US5202824A (en) * 1990-06-21 1993-04-13 Mechanical Technology Incorporated Rotating force generator for magnetic bearings
US10677088B2 (en) * 2016-03-23 2020-06-09 Nuovo Pignone Technologie Srl Wireless monitoring system for rotary machines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5631327A (en) * 1979-08-24 1981-03-30 Hitachi Ltd Method of diagnosing vibration of rotary machine
JPS56130634A (en) * 1980-03-19 1981-10-13 Hitachi Ltd Method and device for monitoring oscillation of rotary machine
JPS6018729A (ja) * 1983-07-11 1985-01-30 Mitsubishi Electric Corp 振動監視装置
US4607529A (en) * 1984-03-21 1986-08-26 John Morey Vibration analysis
DE3515061A1 (de) * 1985-04-26 1986-10-30 Fried. Krupp Gmbh, 4300 Essen Verfahren und vorrichtung zur ueberwachung von maschinenteilen
US4722094A (en) * 1985-12-16 1988-01-26 Allied Corporation Digital rate detection circuit

Also Published As

Publication number Publication date
ITMI910115A0 (it) 1991-01-18
KR910014691A (ko) 1991-08-31
CA2035278C (en) 1999-09-14
ES2024998A6 (es) 1992-03-01
JPH04364428A (ja) 1992-12-16
CA2035278A1 (en) 1991-08-01
US5010769A (en) 1991-04-30
IT1253701B (it) 1995-08-23

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990129