hydraulic ram

noun
1.
a device by which the energy of descending water is utilized to raise a part of the water to a height greater than that of the source.
Origin
1800-10
Examples from the web for hydraulic ram
  • Once formed, the bale is then pushed out of the baling machine by a second hydraulic ram.
  • The compactor shall be water tight and contain hydraulic ram internally.
  • Once formed, the bale is then pushed out of the baling machine by a hydraulic ram.
  • hydraulic ram dimensions and stroke need to be accounted for when locating tendon anchors within the box.
  • The upper hydraulic ram on the backhoe arm moves the bar forward and backward so the holes can be punched at almost any angle.
  • The bale is then pushed out of the baling chamber by a hydraulic ram.
  • The upper hydraulic ram on the backhoe arm moves the bar forward and backward so holes can be punched at almost any angle.
  • The rail load is applied using a hydraulic ram that compresses a rail instrumented with six strain gauges.
  • The second area involved the lifting arms and the hydraulic ram.
  • The jacking system was comprised of an hydraulic ram and a hand-operated pump.
British Dictionary definitions for hydraulic ram

hydraulic ram

noun
1.
any large device involving the displacement of a piston or plunger driven by fluid pressure
2.
a form of water pump utilizing the kinetic energy of running water to provide static pressure to raise water to a reservoir higher than the source