Gasoline-electric Hybrid Structure

Gasoline-electric hybrid cars use the following:
Gasoline engine - Much like the one found on most cars, the hybrid car has a gasoline engine, but uses advanced technologies to reduce emissions and increase efficiency.
Fuel tank - Gasoline has a much higher energy density than batteries do. It takes about 1,000 pounds of batteries to store as much energy as 1 gallon (7 pounds) of gasoline.
Electric motor - The electric motor on a hybrid act as a motor as well as a generator. It can draw energy from the batteries to accelerate the car, but acting as a generator, it can slow the car down and return energy to the batteries.
Generator - Only producing electrical power, the generator is used mostly on series hybrids.
Batteries - The batteries in a hybrid car are the energy storage device for the electric motor. Unlike the gasoline from a fuel tank, the electric motor on a hybrid car can put energy into the batteries as well as draw it out.
Transmission - The transmission on a hybrid car performs the same as the transmission in conventional cars. The Honda Insight has a conventional transmission, as do some others. Others, like the Toyota Prius, have radically different ones, which we'll talk about later.

The two power sources found in a hybrid car can be combined in different ways. One way, called a parallel hybrid, has a fuel tank which supplies gasoline to the engine and a set of batteries that supplies power to the electric motor. Both the engine and the electric motor can turn the transmission at the same time.

The fuel tank and gas engine connect to the transmission. The batteries and electric motor also connect to the transmission independently. In a parallel hybrid, both the electric motor and the gas engine can provide propulsion power.

A series hybrid has a gasoline engine that turns a generator, and the generator can either charge the batteries or power an electric motor that drives the transmission. Thus, the gasoline engine never directly powers the vehicle.



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