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Development of an improved type of coal mine dust sampling pump.
Wallace-Fisher Instrument Company
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, Contract H0133109, 1974 Sep; :1-22
The purpose of this project was to develop an improved dust sampling pump with an electrical to mechanical energy conversion efficiency superior to that of available equipment. Any increase in efficiency would allow the size and weight of the pump to be reduced. The pump was to operate at 9 liters per minute at 20 centimeters of water vacuum. A prototype piston pump driven by a linear actuator was constructed. However, the efficiency of the pump was only 1.6 percent, which is less than that of conventional air sampling pumps.
Piston pumps; Gas sampling; Coal mines; Dust collectors; Air; Efficiency; Specifications; Design
CP; Final Contract Report
NTIS Accession No.
OFR 19-75; Contract-H0133109
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, Contract H0133109
Wallace-Fisher Instrument Company, Swansea, MA
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division