Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD, DEVICE, AND SYSTEM FOR MONITORING
Document Type and Number:
Japanese Patent JPH11326132
Kind Code:
A
Abstract:

To avoid occurrence of wear and breakdown inside a machine, by monitoring electrostatic activity of machine's component for monitoring abnormal load which takes place with machine's component.

In a rotating machine such as a gear box, at least one electrostatic sensor 3 and a tacho-generator 2 are provided. The signal from the sensor 3 and the tacho-generator 2 is processed with a signal processing circuit 6, for monitoring abnormal interaction between a plurality of interacting components of the machine 1. The signal from the tacho-generator 2 may be utilized by the signal processing circuit 6 for generating average signal of electrostatic activity interacting across machine's cycle. Such average signal comprises increasing component related to electrostatic activity related to machine's cycle.


Inventors:
POWRIE HONOR
Application Number:
JP10769699A
Publication Date:
November 26, 1999
Filing Date:
April 15, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
STEWART HUGHES LTD
International Classes:
G01M13/02; G01N27/60; G07C3/00; (IPC1-7): G01M13/02
Attorney, Agent or Firm:
Teiji Miyakawa (2 outside)