What Causes Smoke from the Exhaust Valve?
1 Answers
Reasons for smoke from the exhaust valve: There are many reasons why a car engine emits blue smoke, and of course, a damaged exhaust valve is one of them. Other causes that can lead to blue smoke include excessive wear of piston components, oil leakage from valve seals, or even damage to the cylinder gasket, all of which can result in this blue smoke phenomenon. Typically, white smoke from the engine during cold starts is normal. As long as the engine does not emit large amounts of white smoke during normal operation, there is no problem. Introduction to the Exhaust Valve: The exhaust valve, also known as the oil separator or pressure control valve, is installed between the compressor outlet and the condenser inlet. Through separation, it improves the heat transfer efficiency in the condenser and evaporator. Working Principle of the Exhaust Valve: High-pressure gas from the compressor enters the exhaust valve and is directed through guide vanes, flowing in a spiral pattern. Centrifugal force and gravity separate the lubricating oil from the working gas, which then flows down along the inner wall of the cylinder. The working gas is discharged from the exhaust valve through a multi-baffle central tube. The separated lubricating oil accumulates at the bottom of the oil separator and can be periodically drained or automatically returned to the compressor's crankcase via a float valve.
