Measuring and testing – Blower – pump – and hydraulic equipment
Patent
1985-02-15
1986-04-29
Frankfort, Charles
Measuring and testing
Blower, pump, and hydraulic equipment
374143, 415118, 1375991, G01M 1900
Patent
active
045848769
ABSTRACT:
Test apparatus for on-site testing of an air compressor to obtain a measurement from which the operating efficiency of the air compressor and air flow rate may be calculated to enable the owner of the compressor to determine whether replacement or rebuilding of the compressor is justified. The apparatus comprises an inlet for connection to the air compressor being tested and branch circuits through which the air flow from the compressor is selectively passed. Each branch circuit contains a particular size orifice and an associated shut-off valve, and the condition of the shut-off valves determines the orifice selection. The orifice selection is made to match the running compressor and attain a balanced condition. In this regard a pressure regulator and by-pass control valve, in parallel with each other, are also in the test apparatus for adjustment to obtain the balanced condition. Once balance has been attained, pressure and temperature measurements are taken and the power input to the compressor is also measured. These measurements are then used in calculating the compressor's efficiency.
REFERENCES:
patent: 2198411 (1940-04-01), Love
patent: 2733600 (1956-02-01), Sahs et al.
patent: 2970474 (1961-02-01), Kendig
patent: 3002380 (1961-10-01), Grove
patent: 3091116 (1963-05-01), Crooks
patent: 3747404 (1973-07-01), Novak
Allied, Inc.
Frankfort Charles
Will Thomas B.
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