Humphrey pump
The Humphrey pump is a large internal combustion gas-fueled liquid piston pump. The pump was invented by H. A. Humphrey and first presented in paper to the Institution of Mechanical Engineers on 19 November 1909. A pump capable of pumping 250,000 gallons per hour to a head of 35 feet was exhibited at the 1910 Brussels Exhibition, where it was awarded two Grands Prix, for both engines and pumps.
| Humphrey pump | |
|---|---|
The top of a Humphrey pump at the King George V pumping station in London | |
| Classification | Gas-fueled liquid piston pump |
| Application | Water pumps for sewage, utility, irrigation and drydocks |
| Fuel source | Coal gas, Producer gas or Natural gas |
| Inventor | H. A. Humphrey |
| Invented | 1909 |
A small number of pumps were built between 1906 and 1925 for use in large-scale water supply projects. Although only a few pumps were built, some continued in service into the 1960s.
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