Programmable maintenance timer system

Details Programmable maintenance timer system Programmable maintenance timer system

1982-09-28

1985-09-03

Smith, Jerry

Boots, shoes, and leggings

364569, 364144, 62157, 62158, 34030915, G06F 1546, G05B 1904, G05D 2332

Patent

active

045396329

ABSTRACT:
A programmable maintenance timer system suitable for use with industrial equipment such as a centrifugal water chilling system and a telemetry system including a microprocessor-based computer with a programming device for presetting selectively a maintenance time interval representing a number of hours before a maintenance service is to be performed, for counting down the time interval to zero, and for generating an output signal after the time interval has reached zero to the telemetry system so as to alert service personnel that the industrial equipment is due for a scheduled maintenance. The timer system also includes a non-volatile memory device to record permanently the total elapsed operating hours in the preset maintenance time interval so as to avoid loss of such information upon a power failure and/or back-up battery failure.

REFERENCES:
patent: 4001561 (1977-01-01), Quaintance
patent: 4151725 (1979-05-01), Kountz et al.
patent: 4168525 (1979-09-01), Russell
patent: 4264960 (1981-04-01), Gurr
patent: 4319319 (1982-03-01), Wygant
patent: 4342092 (1982-07-01), Kumagi
patent: 4355365 (1982-10-01), McCracken et al.
patent: 4371922 (1983-02-01), Fujita et al.
patent: 4371945 (1983-02-01), Karr et al.
patent: 4387368 (1983-06-01), Day, III et al.
patent: 4404641 (1983-09-01), Bazarnik
patent: 4404649 (1983-10-01), Heeger
Motorola Microprocessors, Motorola, Inc., pp. 3-149, 1981.

Affiliated with

Also associated with

Rating

Programmable maintenance timer 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 Programmable maintenance timer system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Programmable maintenance timer system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-616943