Radiation pyrometer system

Details Radiation pyrometer system Radiation pyrometer system

1984-01-16

1985-12-03

Stephan, Steven L.

Thermal measuring and testing

Temperature measurement

Combined with diverse art device

374128, 356 43, G01J 500

Patent

active

045563284

ABSTRACT:
A pyrometer system for a gas-turbine engine, or the like, has a high-resolution radiation pyrometer that supplies signals to a detector unit. The detector unit includes an inverter that inverts the pyrometer output and supplies these signals via a diode to one electrode of a capacitor. The other electrode of the capacitor is grounded, a resistor being connected across the capacitor so that it is slowly discharged. The charge on the capacitor approximately follows the high-value/low-temperature signals, which are reinverted by a processing unit to give an averaged temperature indication. The diode is short-circuited for periods, approximately equal to the blade rotational frequency. During these periods the charge on the capacitor drops to the instantaneous value of the pyrometer output, producing a low-voltage/high-temperature spike. The detector unit includes a store to which these spikes are supplied after reinversion. The store has a long time period so as to produce a signal which approximately follows the tips of the high-temperature spikes.

REFERENCES:
patent: 3574282 (1971-04-01), Curwen
patent: 3623368 (1971-11-01), Decker, Jr.
patent: 3668427 (1972-06-01), Curwen
Electronics, vol. 51, No. 1, Jan. 5, 1978, "Infrared Sensor Outclasses Thermocouples in Checking Metal Fatigue in Jet Engines", pp. 54-55.

Affiliated with

Also associated with

Rating

Radiation pyrometer system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Radiation pyrometer system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radiation pyrometer system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1392413