Definitions

1. Power stroke: A power stroke is, in general, the stroke of a cyclic motor which generates force. (Web site)
2. The power stroke is the one that actually moves the car.
3. Power stroke - The fuel mixture is ignited and explosion expands the compressed fuel mixture. (Web site)
4. The power stroke is the next stroke in the Otto cycle and is also the start of the second revolution of the engine. (Web site)
5. The power stroke: The hot compressed gas in the cylinder pushes the piston downward. (Web site)

Fourth Stroke

1. Every other stroke, rather than every fourth stroke, is a power stroke. (Web site)

Exhaust Ports

1. As the power stroke nears an end, and the piston approaches bottom dead center, both the intake and exhaust ports are uncovered. (Web site)
2. The exhaust port is open and the intake port is closed and the inlet port is covered by the piston during the second stage of the power stroke. (Web site)
3. The air from the air box goes through the cylinder inlet ports whenever the individual pistons uncover the ports at the end of the expansion or power stroke. (Web site)

Tdc

1. The fuel injection process in diesel engines starts when the piston approaches TDC and continues during the first part of the power stroke. (Web site)
2. Diesel fuel is injected just before the power stroke. (Web site)
3. With the shuttle valve spool 336 thus shifted to the right, the valve assembly 332 is positioned for another power stroke of power piston 224'. (Web site)

Fuel-Air Mixture

1. This stroke provides for recycling some of the fuel-air mixture and provides a greater power stroke to compression stroke ratio. (Web site)
2. This combustion drives the piston back on the third or power stroke of the cycle.

Internal Combustion

1. Also see combustion space, compression ratio, compression stroke, power stroke, exhaust stroke, and intake stroke. (Web site)
2. It is another object of this invention to provide a five-stroke internal combustion engine that provides a greater power stroke to compression stroke ratio. (Web site)

Fuel

1. At the top of the compression stroke the spark plug fires, causing the rapidly burning air-fuel mixture to drive the piston downward, power stroke. (Web site)
2. Engine knocking is compression detonation or pre-ignition of fuel in the power stroke of the engine. (Web site)

Cylinder Walls

1. The power stroke occurs for a short duration midway between a top dead center position and a bottom dead center position. (Web site)
2. However, the additional time that the duration of injection exists during the power stroke results in greater exposure of the cylinder walls to fuel spray. (Web site)

Top Dead Center

1. As the piston approaches top dead center, the spark plug fires igniting a fireball just as the piston rocks over into the power stroke.
2. Thus, there is provided a reciprocating motion with a downward power stroke and an upward exhaust stroke of the piston. (Web site)

Piston 22

1. Now, in all modes, the air-fuel charge has been ignited and the power stroke of piston 22 takes place as the combusted gases expand. (Web site)
2. After the power stroke in a conventional piston engine, the exhaust gases are still at a high pressure relative to the exhaust manifold pressure. (Web site)
3. Designs either use steam or air as the working fluid for the additional power stroke. (Web site)

Cylinders

1. In engines with only a single cylinder the flywheel is essential to carry energy over from the power stroke into a subsequent compression stroke.
2. Power stroke: piston is pushed downwards by the hot exhaust gases.
3. The sequence of firing the cylinders must be timed so that while one piston is in its power stroke, another piston is in its compression stroke. (Web site)

Combustion Chamber

1. The piston then moves outward on the power stroke, uncovering the exhaust port and permitting the gases to escape from the combustion chamber.
2. First, it flushes out the burned gases remaining from the previous power stroke. (Web site)

Regenerator

1. As the piston reaches bottom dead center, ending the power stroke, the exhaust valve opens, beginning the exhaust stroke. (Web site)
2. Near BDC of the power stroke, the exhaust valve(s) 17 opens and the cylinder 7 is efficiently scavenged by piston stroke 4. (Web site)
3. When the transfer valve opens, TO, the power stroke continues within the regenerator. (Web site)

Pistons

1. At the end of the power stroke the exhaust valve will open evacuating the cylinder as the pistons push the gases through the tail pipe. (Web site)
2. Instead a single exhaust valve on the cylinder head was operated by a pushrod that opened the valve when the pressure dropped at the end of the power stroke. (Web site)
3. Blow-by gas is air and unspent fuel that leaks past the pistons and into the crank case during the power stroke. (Web site)

Otto Cycle

1. Engines based on the four-stroke ("Otto cycle") have one power stroke for every four strokes (up-down-up-down) and employ spark plug ignition. (Web site)
2. At the end of the power stroke, a fresh charge sweeps the exhaust gasses out of the cylinder. (Web site)
3. The benefit of forcing more air molecules into the combustion chambers is that it allows your engine to burn more fuel per power stroke. (Web site)

Fig

1. In FIG. 2C the piston moves downward as in a conventional four-stroke cycle fuel power stroke. (Web site)
2. A power piston within a first cylinder connected to the crankshaft such that the power piston reciprocates through a power stroke and an exhaust stroke. (Web site)

Transfer Ports

1. Further upward movement of the main valve admits compressed air to move the drive piston downwardly through a power stroke. (Web site)
2. At the bottom of the power stroke, the transfer ports, which deliver fresh fuel, are open at the same time as the exhaust port. (Web site)
3. Because two-cycle engines can effectively double the number of power strokes per unit time when compared to four-cycle engines, power output is increased. (Web site)

Torque

1. After spark plug 9 ignites the mixture, the power stroke begins as piston 4 is forced downward and imparts torque to crankshaft 12. (Web site)
2. Opening the exhaust valve sooner slightly reduces the power stroke, but at the same time it reduces overlap and makes better use of our supercharger.

Cylinder Wall

1. On the power stroke, the Groove provides a channel for hot gasses to jet towards the cylinder wall and rapidly ignite mixture in the squish area. (Web site)
2. In FIGS. 1 and 2 there is schematically illustrated a typical expansion cycle of the power stroke work rate of the internal combustion cycle. (Web site)
3. Furthermore, the four stroke cycle Wankel engine necessitates having that single area of power stroke on one side of the engine. (Web site)

Power Strokes

1. The intake and exhaust valves are both closed to seal the combustion chamber during the compression and power strokes. (Web site)
2. Two-stroke engines eliminate the intake and exhaust strokes, combining them with the compression and power strokes. (Web site)
3. Since the camshaft turns at half of the speed of the crank, the power stroke only sees one fourth of a turn of the cam, or 90 camshaft degrees.

Connecting Rod

1. Fig 10: POWER STROKE The force drives the piston downward to crank shaft (the valves are closed). (Web site)
2. The piston, with its connecting rod and bearing, transfers the force of the combustion and expansion of the power stroke to the crankshaft.
3. As the piston 24 reaches the bottom of its power stroke, the exhaust passage 76 rotates over the cylinder 22. (Web site)

Cylinder

1. Power stroke: As the fuel is compressed and the piston nears the top of the cylinder the spark plug fires and ignites the fuel and air. (Web site)
2. In a two-stroke cycle, the exhaust valve must open once during each revolution of the crankshaft toward the end of the power stroke. (Web site)
3. A given power stroke can last no more than 180 degrees of crankshaft rotation, so the power strokes of a 4-cylinder engine are sequential, with no overlap. (Web site)

Power Stroke

1. A 4-stroke cycle engine carried out four piston strokes during one combustion cycle - Intake Stroke, Compression Stroke, Power Stroke and Exhaust Stroke. (Web site)

Categories

1. Encyclopedia of Finance. > Technology > Engines > Combustion Engines
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