Tracing the energy Ins and Outs through a 1984 V-6 Camaro (Canadian model)
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Step 1: Students of ME 150: Internal Combustion Engines

Picture of Students of ME 150: Internal Combustion Engines
Identifying and tracing energy flows through many different engines.

Step 2: IN's: Air in

Picture of IN's: Air in

Step 3: In's: Air Preheat

Picture of In's: Air Preheat
This car was manufactured in Canada and has a lot of preheat mechanisms. For example, this foil air-intake hose draws air from next to the exhaust manifold (one of the hottest regions in the engine, even on startup).

Step 4: Preheat Control

Picture of Preheat Control

Step 5: IN's: Fuel In

Picture of IN's: Fuel In

Step 6: IN's: Fuel: Choke

Picture of IN's: Fuel: Choke

Step 7: IN's: Fuel: Accelerator Pump

Picture of IN's: Fuel: Accelerator Pump

Step 8: IN's: Spark

Picture of IN's: Spark

Step 9: (Starter Motor)

Picture of (Starter Motor)
The starter motor uses energy from the battery to turn the engine over at first, and get the whole thing going.

Step 10: OUT's: Work out

Picture of OUT's: Work out

Step 11: OUT's: Work: accessories

Picture of OUT's: Work: accessories
Aside from being transmitted through the transmission to the wheels, rotating shaft energy is used to power the alternator, coolant pump, fan, and power steering pump.

Step 12: OUT's: Heat Transfer

Picture of OUT's: Heat Transfer

Step 13: OUT's: Hot Exhaust

Picture of OUT's: Hot Exhaust

Step 14: OUT's: Emissions: EGR

Picture of OUT's: Emissions: EGR

Step 15: OUT's: Emissions: Blowby and PCV

Picture of OUT's: Emissions: Blowby and PCV

Step 16: OUT's: Emissions: Fuel Tank

Picture of OUT's: Emissions: Fuel Tank

Step 17: OUT's: Power Brake Assist

Picture of OUT's: Power Brake Assist

Prometheus9 years ago
The purpose of the shown Exhaust-Gas Recirculation valve is to divert a portion of the exhaust gas to be burned again. This not only reduces emissions, but reduces fuel-vapor buildup in the exhaust, one cause for backfires