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Damper winding. Bars and rings of the damper (amortisseur) winding of an AC generator (General Electric, early 20th century). Note the gaps in the cage along the quadrature axes. The damper winding (also amortisseur winding [1]) is a squirrel-cage -like winding on the rotor of a typical synchronous electric machine.
Poppet valve. A poppet valve (also sometimes called mushroom valve [1]) is a valve typically used to control the timing and quantity of petrol (gas) or vapour flow into or out of an engine, but with many other applications. It consists of a hole or open-ended chamber, usually round or oval in cross-section, and a plug, usually a disk shape on ...
The third plant made the Ford Model T, Ford Model A, 1932 Ford, Ford Model 48, 1937 Ford, 1941 Ford, 1949 Ford, 1952 Ford, Ford F-Series as well as Jeeps ( Ford GPW ), military trucks, and V8 engines during World War II. Current location at 2000 Fern Valley Rd. first opened in 1955.
Harmonic balancer lower pulley on a four-cylinder engine. A harmonic damper is a device fitted to the free (accessory drive) end of the crankshaft of an internal combustion engine to counter torsional and resonance vibrations from the crankshaft. This device must be an interference fit to the crankshaft in order to operate in an effective manner.
Pilot Activated Lighting PANS-OPS procedures for air navigation services – aircraft operations: PAOG Pre Aircraft on Ground: PAPI precision approach path indicator: PAR precision approach radar: PATWAS Pilot's Automatic Telephone Weather Answering Service: PAX passenger: PBCS performance-based communication and surveillance PBD place bearing ...
A permanent magnet synchronous generator is a generator where the excitation field is provided by a permanent magnet instead of a coil. The term synchronous refers here to the fact that the rotor and magnetic field rotate with the same speed, because the magnetic field is generated through a shaft-mounted permanent magnet mechanism, and current is induced into the stationary armature.
Originally named Allen Manufacturing Company, the business produced hexagonal set screws and wrenches to fasten them. The terms "Allen wrench" (American English) and "Allen key" (British English) [3] are derived from the Allen brand name and refer to the generic product category "hex keys". W.G. Allen [4] filed the first related patent in 1909 ...
Dual-mass flywheel. A dual-mass flywheel ( DMF or DMFW) is a rotating mechanical device that is used to provide continuous energy ( rotational energy) in systems where the energy source is not continuous, the same way as a conventional flywheel acts, but damping any violent variation of torque or revolutions that could cause an unwanted vibration.