Boots – shoes – and leggings
Patent
1976-07-12
1978-09-05
Wise, Edward J.
Boots, shoes, and leggings
73 405R, 235 92PD, 235 92FL, 364500, G01M 328, G01F 100, G06F 1546
Patent
active
041124944
ABSTRACT:
A system is disclosed which indicates a series of intermittent losses of fluid between any two stations along a fluid flow system such as a refinery or pipeline. The series of intermittent losses relates to a chain of intervals of operation of the fluid flow system. A sudden disturbance in the operation of the fluid flow system during an interval of operation is smoothed over a selectively variable number of intermittent loss indications in the series rather than reflected entirely in the intermittent loss indication for the interval of operation in which the sudden disturbance occurs. On the other hand, actual changes in the operation of the fluid flow system are averaged over the selectively variable number of intermittent loss indications in the series so that rapid changes as well as gradual changes in the operation of the fluid flow system result in a trend in the series of intermittent losses. This permits personnel to reliably monitor the fluid flow system and, therefore, facilitates repair or adjustment of the operation of the fluid flow system only when it is needed. The system also provides an overall loss indication for a period in the operation of the fluid flow system based on the total amount of fluid input to and output from the fluid flow system. The system determines the beginning of the overall loss period by indicating a predetermined status in the operation of the fluid flow system. The system determines the end of the overall loss period by indicating a return in the operation of the fluid flow system to the predetermined status. This eliminates error in the overall loss indication. The system also provides correlation of fluid flow meters during the operation of the fluid flow system.
REFERENCES:
patent: 3505513 (1968-05-01), Fowler et al.
patent: 3690150 (1972-09-01), Mullen
patent: 3723987 (1973-03-01), Barone, Jr. et al.
patent: 3909596 (1975-09-01), Sullivan
patent: 3952759 (1976-04-01), Ottenstein
patent: 3987662 (1976-10-01), Hara et al.
Elliott Kenneth
Elliott Peter
LandOfFree
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