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2. Parker Hannifin - Wikipedia

   en.wikipedia.org/wiki/Parker_Hannifin

   In the early 1950s, the firm's executives set a goal to make Parker, as The New York Times put it, "the General Electric of fluid power", a goal it generally achieved in the coming decades. [11] In 1957, the company purchased Hannifin, a producer of valve and cylinder products, and changed its name to Parker Hannifin. [10]

3. Electro-hydraulic actuator - Wikipedia

   en.wikipedia.org/wiki/Electro-hydraulic_actuator

   The entire system, consisting of the pump, the cylinder and a reservoir of hydraulic fluid, is packaged into a single self-contained unit. Instead of the energy needed to move the controls being supplied by an external hydraulic supply, it is supplied over normal electrical wiring, albeit larger wiring than what would be found in a fly-by-wire ...

4. Hydraulic machinery - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_machinery

   Cylinder C1 is one inch in radius, and cylinder C2 is ten inches in radius. If the force exerted on C1 is 10 lbf, the force exerted by C2 is 1000 lbf because C2 is a hundred times larger in area (S = πr²) as C1. The downside to this is that you have to move C1 a hundred inches to move C2 one inch.

5. Linear actuator - Wikipedia

   en.wikipedia.org/wiki/Linear_actuator

   Typically, an electric motor is mechanically connected to rotate a lead screw. A lead screw has a continuous helical thread machined on its circumference running along the length (similar to the thread on a bolt). Threaded onto the lead screw is a lead nut or ball nut with corresponding helical threads. The nut is prevented from rotating with ...

6. Hydraulic motor - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_motor

   Some motors have pistons attached to the cam using rods (much like in an internal combustion engine), while others employ floating "shoes", and even spherical contact telescopic cylinders like the Parker Denison Calzoni type. Each design has its own set of pros and cons, such as freewheeling ability, high volumetric efficiency, high reliability ...

7. Hydraulic cylinder - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_cylinder

   The hydraulic cylinders on this excavator operate the machine's linkages. Hydraulic cylinders in a hot press of a particle board machine. A hydraulic cylinder (also called a linear hydraulic motor) is a mechanical actuator that is used to give a unidirectional force through a unidirectional stroke.