If I’m in an automatic transmission car on a slight hill and I press the gas just enough to stop myself from rolling back, so I’m not moving, how does the engine not stall?
In: Engineering
The engine and transmission are not directly connected. Between the two is a fluid coupling called a torque converter. The converter has two opposing sections – the outer section is connected to the engine; the other the transmission. When you accelerate, the outer half exerts force on the fluid in the transmission. The fluid, in turn, exerts force upon the inner half. This allows the engine to run without being physically connected as in a manual transmission vehicle.
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