If you’re a fan of espresso or enjoy a cappuccino or latte every time you’re at a coffee shop, there’s no reason you should settle for standard drip coffee at home. But choosing an espresso machine ...

To minimize wasted energy in hydraulic systems, variable-displacement pumps were developed. They reduce power loss by adjusting the relationship between pressure and flow for various power levels.

Two suspects are wanted in a string of air pump machine thefts at Brooklyn and Queens gas stations that have netted the thieves thousands of dollars in stolen money and machinery, police say. At least ...

Fluid-handling or transfer devices are not basically concerned with the modulation or transfer of power, but only with the movement of fluid. Two major types of fluid-transfer pumps are ...