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2. John Deere Model D - Wikipedia

   en.wikipedia.org/wiki/John_Deere_Model_D

   The Model D was John Deere's first mass-produced tractor, and was released to the public in 1923. It was a standard tread tractor with fixed wheel widths, as opposed to the adjustable wheels of a row-crop tractor. The D was initially equipped with a two-cylinder side-by-side 30-horsepower (22 kW) engine, of 465-cubic-inch (7,620 cc ...

3. Pneumatic actuator - Wikipedia

   en.wikipedia.org/wiki/Pneumatic_actuator

   Pneumatic rack and pinion actuators for valve controls of water pipes. A pneumatic actuator mainly consists of a piston or a diaphragm which develops the motive power. It keeps the air in the upper portion of the cylinder, allowing air pressure to force the diaphragm or piston to move the valve stem or rotate the valve control element.

4. Linear actuator - Wikipedia

   en.wikipedia.org/wiki/Linear_actuator

   DVD drive with leadscrew and stepper motor. Floppy disc drive with leadscrew and stepper motor. A linear actuator is an actuator that creates linear motion (i.e., in a straight line), in contrast to the circular motion of a conventional electric motor. Linear actuators are used in machine tools and industrial machinery, in computer peripherals ...

5. Johnson Controls - Wikipedia

   en.wikipedia.org/wiki/Johnson_Controls

   Johnson Controls. [ 2] Johnson Controls International plc is an American, Irish-domiciled multinational conglomerate headquartered in Cork, Ireland, [ 3] that produces fire, HVAC, and security equipment for buildings. As of mid-2019, it employed 105,000 people in around 2,000 locations across six continents. [ 4]

6. Valve actuator - Wikipedia

   en.wikipedia.org/wiki/Valve_actuator

   Valve actuators play a major part in automating process control. The valves to be automated vary both in design and dimension. The diameters of the valves range from one-tenth of an inch to several feet. Types. [edit] The common types of actuators are: manual, pneumatic, hydraulic, electric and spring.

7. Hydraulic machinery - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_machinery

   An excavator; main hydraulics: Boom cylinders, swing drive, cooler fan, and trackdrive. Fundamental features of using hydraulics compared to mechanics for force and torque increase/decrease in a transmission. Hydraulic machines use liquid fluid power to perform work. Heavy construction vehicles are a common example.