The Uses of Vacuum Pumps


Vacuum Pump is an added benefit in any engine which has enough high performance in order to create a significant amount of blow by. What the vacuum does in general is that it adds some horsepower, increase the life of the engine, and keep oil cleaner for a longer time.

How does a Vacuum Pump Work?

A typical vacuum pump in Toronto is equipped with an inlet which is hooked up to one or both of the valve covers, sometimes with the valley pan. It will suck the air coming from the engine, and will thus reduce the buildup of air pressure created by blow because of the combustion gases which goes past the piston rings and into the pan. Vacuum pumps typically vary in the amount of air volume that they suck in that the potential vacuum pump can create is limited by the air that it can flow (CFM). The exhaust coming from the Toronto vacuum pump is then sent to a breather tank with a filter on the top, this is then intended to retain the fluids (unspent fuel, moisture and air born oil) which is sucked from the engine. The exhaust air will go to the atmosphere via the air filter.

So what will happen when the RPM is high during the combustion process and how will the vacuum pump change this? When the RPM increases, the rings will start to get pushed upward on the outer ring edge because of the pressure behind them due to the blow-by build up inside the pan, this will then cause a reduction in the ring seal to the cylinder walls as this will cause more blow-by. It will likewise cause the rings to flutter which will further increase the blow-by. There is an increase of pressure in the pan because in a higher performance engine, you will not be able to get all of the excess air pressure out from the engine with just the use of breathers. This increased pressure pushes the oil entrained in the air past the rings on the intake strike whenever the engine is sucking in air. By this time, the intake stroke oil is also being sucked past the valve guides. The net result will be oil contamination of the fuel which will effectively reduce the octane rating of the fuel. This will then reduce horsepower, and on a power adder engine or nitrous engine it can actually burn a hole inside the pistons from the increased heat inside the chamber because of the faster flame front.

A vacuum pump in Toronto has the capacity to reverse every one of the problems enumerated by eliminating, reducing or even placing a negative pressure on the engine. The net result will be a better ring seal, less or no more oil contamination, cleaner oil, less oil leaks, longer engine life as well as more horsepower. An added advantage is that your engine builder will be able to use lower friction ring packages since the resulting blow-by will be mitigated by the vacuum pump.


By valariearthur

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