force pump
plunger pump

Force pumps could be made of either wood or bronze.

Another use of the force pump was to combat fires.

The force pump was portable and could therefore, as on ships, be used to fight fire.

Yet another suggested use for a force pump was to dispel water from a ship.

Ancient bilge "force pumps" had a number of common uses.

Force pumps were used on land as well.

Then the force pumps, buried in the solid rock beneath sea level, would go into operation.

The substance was pressurized by the heat and the usage of a force pump.

One paper opined that a faulty force pump and low water level in the boiler was the cause.

The result was that the water was first suction pumped and then force pumped.

Force pumps were fairly simple in their construction consisting of a cylinder, a piston, and a few valves.

One hundred and twenty nine hostages died after Russian forces pumped an anaesthetic gas into the theatre.

The force pump was widely used in the Roman world, and one application was in a fire-engine.

Firstly, there is the irresponsibility due to the financial structure. Europe is a suction and force pump.

Until 1858, the total firefighting force consisted of a pumper, a force pump, and several bucket brigades.

The bilge pump was an improvement on the first hydraulic pumps used in antiquity: force pumps.

In 1689, Papin suggested that a force pump or bellows could maintain the pressure and fresh air inside a diving bell.

"Roman Wooden Force Pumps: A case study in innovation."

Agricola also describes several designs of piston force pumps which are either man or animal powered or powered by waterwheels.

Three concentric lamp wicks supplied to rapeseed oil by means of a suction and force pump, were placed in the focal plane of the apparatus.

After a two-and-a-half day siege, Russian Spetsnaz forces pumped an unknown chemical agent into the building's ventilation system and raided it.

The rod descended the mine shaft by gravity and drove a force pump, or pole pump (or most often a gang of two) inside the mineshaft.

In 1789 Smeaton applied an idea by Denis Papin, by using a force pump to maintain the pressure and fresh air inside a diving bell.

Fluorinert is used in situations where air will not carry away enough heat, or where airflow is so restricted that some sort of forced pumping is required.