Search results
Results from the WOW.Com Content Network
Example energy flows for a late-model midsize passenger car: (a) urban driving; (b) highway driving. Source: U.S. Department of Energy . Automobile accessory power can be transferred by several different means. However, it is always ultimately derived from the automobile's internal combustion engine, battery, or other "prime mover" source of ...
A typical 12 V, 40 Ah lead-acid car battery. An automotive battery, or car battery, is a rechargeable battery that is used to start a motor vehicle.. Its main purpose is to provide an electric current to the electric-powered starting motor, which in turn starts the chemically-powered internal combustion engine that actually propels the vehicle.
Particles migrating in the system and blocking their movements. Conductive particles may short out circuits like electrostatic actuators. Wear damages the surfaces and releases debris that can be a source of particle contamination. Fractures causing loss of mechanical parts. Material fatigue inducing cracks in moving structures.
Engine controls demand one of the highest real-time deadlines, as the engine itself is a very fast and complex part of the automobile. Of all the electronics in any car, the computing power of the engine control unit is the highest, typically a 32-bit processor. [citation needed] A modern car may have up to 100 ECU's and a commercial vehicle up ...
Unlike ICEs, electric motors typically do not require a transmission. Compared to parallel hybrids, the mechanical transmission between the engine and wheels is discarded. The engine instead acts as an electric generator, attached to the battery via cable. The linkage is engine to battery to electric motor to wheels.
6. Fill Up on Antifreeze. Before the big chill sets in, make sure to top off your antifreeze -- but use a winter-specific formula. Antifreeze must be mixed with water, usually in an exact 50/50 ratio.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
At idle speeds on a new engine poor machining tolerances could prevent the lifter from spinning and destroy the camshaft. After 20 minutes of wear, or "self machining" at higher engine speeds they would typically be able to spin freely. In the past, the engine break-in period was very important to the overall life and durability of the engine.