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A camless or free-valve piston engine is an engine that has poppet valves operated by means of electromagnetic, hydraulic, or pneumatic [1] actuators instead of conventional cams. Actuators can be used to both open and close valves, or to open valves closed by springs or other means.
Free-piston engine used as a gas generator to drive a turbine. A free-piston engine is a linear, 'crankless' internal combustion engine, in which the piston motion is not controlled by a crankshaft but determined by the interaction of forces from the combustion chamber gases, a rebound device (e.g., a piston in a closed cylinder) and a load device (e.g. a gas compressor or a linear alternator).
The Toyota SZ engine family is a series of straight-4 piston engines with a forward-facing exhaust. [1] Toyota Motor Manufacturing (UK) in Deeside produces SZ engines for the Yaris . [ 2 ] All three types of the SZ engine are built in Tianjin FAW Toyota Engine Co., Ltd. (TFTE) Plant No. 1 in Xiqing District , Tianjin , China .
The Pratt & Whitney R-4360 Wasp Major is an American 28-cylinder four-row radial piston aircraft engine designed and built during World War II.At 4,362.5 cu in (71.5 L), it is the largest-displacement aviation piston engine to be mass-produced in the United States, and at 4,300 hp (3,200 kW) the most powerful.
The piston-cylinder apparatus is a solid media device, used in Geosciences and Material Sciences, for generating simultaneously high pressure (up to 6 GPa) and temperature (up to 1700 °C). Modifications of the normal set-up can push these limits to even higher pressures and temperatures.
compacted vermicular graphite cast iron (GJV/CGI) with UV laser-honed exposed bores; cast bed-plate reinforcing lower bearing frame incorporating four main bearings each affixed with four bolts, balance shaft, die-forged steel crossplane crankshaft with offset crankpins to create an even firing order, simplex roller chain-driven contra-rotating ...
The Duesenberg Model X chassis is an upgrade over the Model A chassis, offering a reworked 260-cubic-inch (4.3 L) straight-8 engine, an overhead cam, with a new crankshaft, revised valve train, improved pistons and superior intake manifold. Power is 100 hp, which made driving at 100 mph (160 km/h) possible.