- 行业: Automotive
- Number of terms: 3540
- Number of blossaries: 0
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A measurement of force by a twisting motion. In an engine, torque is the twisting force at the crankshaft measured in pound-feet (lb.-ft.). One poundfoot is the force of one pound acting at a right angle at the end of an arm one foot long. Simply stated, torque is the engine force that gets a vehicle to speed--felt especially at off-line take-off and during acceleration.
Industry:Automotive
A specialised fluid coupling between the engine and automatic transmission. The torque converter eliminates a foot-operated manual clutch. It allows the transmission to be "in gear" at stops and smooth, automatic and controlled take-offs and gear shifting during acceleration and towing. This system actually has no direct mechanical connection, but actually uses a rotating "fan" in a fluid to send power to wheels. When the engine turns the fan attached to it, it drives or turns the fan attached to the transmission, which sends power to the rear wheels.
Industry:Automotive
The effect that gear ratios have on output torque compared to input torque. For example, if there is 100 lb.-ft. of torque applied to the input gear of a system where the overall ratio is 2:1, the output torque of the system will be multiplied to 200 lb.-ft.
Industry:Automotive
In Tundras, this feature lets the driver select between 2WD and 4HI, and between 4HI and 4LO with a switch found on the instrument panel.
Industry:Automotive
Designed to improve driving and engine braking performance when pulling a heavy trailer or hauling a heavy load by changing the transmission shift programming to hold engine revs longer before upshifting or downshifting.
Industry:Automotive
The maximum weight a truck can pull. Towing the maximum weight may require a particular transmission, trailer hitch or other equipment.
Industry:Automotive
The total weight of a trailer and its contents, including filled holding tanks.
Industry:Automotive
The distance from the centre of one tyre (or wheel) to the opposite tyre (or wheel).
Industry:Automotive
A suspension component consisting of a longitudinal member that pivots from the body at its forward end and has a wheel hub attached at the other end (the trailing end). It is similar to a semi-trailing arm system except that its pivot axis is directly perpendicular to the vehicle's longitudinal axis.
Industry:Automotive
Four-wheel drive vehicles require a system of gears between the front and rear axles to transfer power from the transmission to those axles. Transfer cases typically have two gear ranges: high and low. Low range is used for extreme off-road conditions.
Industry:Automotive
