Automotive technologies Automotive technologies Daytime Running Lamps ("DRL", also "Daylight Running Lights") are lights on the front of roadgoing motor vehicles, automatically switched on when the vehicle is moving forward, and intended to increase the visibility of the vehicle during daylight conditions. ...more on Wikipedia about "Daytime running lamp"
== Automobile electric terminal numbers according to DIN 72552== ...more on Wikipedia about "DIN 72552"
A distance sensor is a auto's electromechanical device, that translate each rotation of the transimission into a several electronics pulses. This rotations (and then the pulses) are directly proportional to the distance traveled. ...more on Wikipedia about "Distance sensor"
DPF is the short form for a Diesel Particulate Filter, which is used for removing particulate from the exhaust gas of a Diesel engine. Unlike a catalytic converter which is a flow-through device, a Diesel Particulate Filter cleans exhaust gasses by forcing the gasses to flow through the wall of the filter. Diesel Particulate Filters are made of several different materials, the most common being Cordierite (a ceramic material that is also used as catalytic converter supports (cores)) and Silicon carbide. The devices look like catalytic converter cores that have had alternate channels pluged - the plugs force the exhaust gas to flow through the wall, and the particulate collects on the inlet face. ...more on Wikipedia about "Dpf"
A driveshaft or driving shaft or Cardan shaft is a mechanical device for transferring power from the engine or motor to the point where useful work is applied. ...more on Wikipedia about "Driveshaft"
A dynamometer or "dyno" for short is a device used to measure power and torque produced by an engine or other rotating device. It is said to be created by the "Father of Computing" Charles Babbage. There are two types of dynos: One that gets bolted directly to an engine, known as an engine dyno, or a dyno that can measure power and torque without removing the engine from the frame of the vehicle, known as a chassis dyno.
...more on Wikipedia about "Dynamometer"
An electronic throttle body controls the airflow into an internal combustion engine without a mechanical linkage to the pedal. ...more on Wikipedia about "Electronic throttle body"
European Automotive Design is a magazine targetting as its readership those involved in the final design of automobiles manufactured in Europe. ...more on Wikipedia about "European Automotive Design"
The flash point of a fuel is the lowest temperature at which it can form an ignitable mix with air. At this temperature the vapor may cease to burn when the source of ignition is removed. A slightly higher temperature, the fire point, is defined at which the vapor continues to burn after being ignited. Neither of these parameters are related to the temperatures of the ignition source or of the burning fuel, which are much higher. ...more on Wikipedia about "Flash point"
Floating Power was a technology developed in the 1920s by the United States automobile firm of Chrysler. It was a new means of attaching an engine to its chassis, with the intention of reducing vibration. Four-cylinder engines of the day started and rode rather roughly, transmitting the torque to the whole chassis. By attaching the engine at only two points ("fore-and-aft"), as near to being along the crankshaft axis as possible, the engine would be able to turn a little about this axis without directly transmitting the torque by raising one side of the chassis and lowering the other. One mounting attachment was in the form of an arc concave upward and lined with rubber, the other was a post. ...more on Wikipedia about "Floating power"
Four wheel drive, 4WD, 4x4 ("four by four"), all wheel drive, and AWD are terms used to describe a four-wheeled vehicle with a drivetrain that allows all four wheels to receive power from the engine simultaneously. While many people think exclusively of off-road vehicles, powering all four wheels provides better control on slick ice and is an important part of rally racing on mostly-paved roads. ...more on Wikipedia about "Four wheel drive"
Front wheel drive is the most common form of engine/ transmission layout used in modern passenger cars, where the engine drives the front wheels. Most front wheel drive vehicles today feature transverse engine mounting, though many in prior decades were positioned longitudinally instead. Rear wheel drive was the traditional standard while four wheel drive is also sometimes used. See also FF layout. ...more on Wikipedia about "Front wheel drive"
Go-faster stripes is a term used, usually in a derogatory or derisive way, to refer to decoration applied to cars to make them appear to be modified for extra speed. ...more on Wikipedia about "Go-faster stripes"
The headbolt heater is a device that warms an automobile's engine to facilitate cold-weather starting. Vehicles with the device can typically be readily recognized by the short power cord hanging from the grill or rear of the hood. ...more on Wikipedia about "Headbolt heater"
The Hotchkiss drive is a system of power transmission. It was the dominant form of power transmission for front-engine, rear-drive cars in the 20th century. The name comes from the French automobile firm of Hotchkiss, and dates to the earliest use of the system, although it is clear that other makers (such as Peerless) used similar systems before Hotchkiss. ...more on Wikipedia about "Hotchkiss drive"
A hydrogen car is an automobile which uses hydrogen as its primary source of power for locomotion. These cars generally use the hydrogen in one of two methods: combustion or fuel-cell conversion. In combustion, the hydrogen is "burned" in engines in fundamentally the same method as traditional gasoline cars. In fuel-cell conversion, the hydrogen is turned into electricity through fuel cells which then powers electric motors. With either method, the only byproduct from the spent hydrogen is water. ...more on Wikipedia about "Hydrogen vehicle"
Idle speed is the minimum operating speed (generally measured in revolutions per minute, or rpm, of the crankshaft) of a combustion engine. At idle speed, the engine generates enough power to run reasonably smoothly and operate its ancillaries ( water pump, alternator, and, if equipped, other accessories such as power steering), but not enough to perform useful work, such as moving an automobile. For a passenger-car engine, idle speed is customarily between 600 rpm and 1,000 rpm. ...more on Wikipedia about "Idle speed"
The ignition system of an internal-combustion engine is an important part of the overall engine system. It provides for the timely burning of the fuel mixture within the engine. Not all engine types need an ignition system - for example, a diesel engine relies on compression-ignition, that is, the rise in temperature that accompanies the rise in pressure within the cylinder is sufficient to ignite the fuel spontaneously. All conventional petrol (gasoline) engines, by contrast, require an ignition system. The ignition system is usually switched on/off through a lock switch, operated with a key or code patch. ...more on Wikipedia about "Ignition system"
Intelliturn is a system developed by RLP Engineering ** to control turn signals. Instead of using a mechanical system like most cars today have for turning off the turn signal, it uses an electronic method. The most likely application of the method involves the use of a car's Anti-lock braking system. ...more on Wikipedia about "Intelliturn"
Lead-acid batteries, invented in 1859 by French physicist Gaston Planté, are a type of galvanic cell and are the most commonly used rechargeable batteries today. They also represent the oldest design with one of the lowest energy-to- weight ratios, although the power-to-weight ratio can be quite high. Also, the energy-to- volume ratio is high compared to other types of batteries. They are relatively low-cost and can supply high surge currents needed in starter motors. Every reasonably modern car uses a lead-acid battery for this purpose. They are also used in vehicles such as forklifts, in which the low energy-to-weight ratio may in fact be considered a benefit since the battery can be used as a counterweight. ...more on Wikipedia about "Lead-acid battery"
In automobiles, load transfer is the imaginary "shifting" of weight around a motor vehicle during acceleration (both longitudinal and lateral). This includes braking, or deceleration (which can be viewed as acceleration at a negative rate). Load transfer is a crucial concept in understanding vehicle dynamics. ...more on Wikipedia about "Load transfer"
A magneto provides pulses of electrical power to the spark plugs in some petrol-powered internal combustion engines where batteries are not available, most commonly those in 2-stroke and 4-stroke engines used in small motorcycles, lawnmowers and chainsaws, as well as in most small aircraft and some racing automobiles, serving a similar function to the coil-type ignition system found in automobiles. In aircraft, typically each cylinder has two spark plugs, each driven from a separate magneto. This arrangement provides redundancy in the event of a failure of one of the magnetos, and two sparks burn more efficiently than one. ...more on Wikipedia about "Magneto"
Monocoque ( French for "single shell") or unibody is a construction technique that uses the external skin of an object to support some or most of the load on the structure. This is as opposed to using an internal framework (or truss) that is then covered with a non-load-bearing skin. Monocoque construction was first widely used in aircraft, starting in the 1930s, and is the predominant automobile construction technology today. ...more on Wikipedia about "Monocoque"
An odometer is a device used for indicating distance traveled by an automobile or other vehicle. It may be electronic or mechanical. The word derives from the Greek words hodōs, meaning "path" or "way", and mētron, "measure". ...more on Wikipedia about "Odometer"
On-Board Diagnostics, in an automotive context, is a generic term referring to hardware diagnostic capability that is present in most cars and light trucks on the road today. ...more on Wikipedia about "On Board Diagnostics"
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