Patent ID: 6425742
Filing Date: 2002-07-30
Classification: F01N,F04C,Y02T

Abstract:
A silencer with a drain recovery device comprising:an enclosed tank having an inlet port positioned at one side of said tank and a discharge port positioned at another side of said tank; and a partition plate separating an inner space of said tank into an inlet side chamber and an outlet side chamber, said inlet port being connected to a discharge line of a vacuum pump, wherein said partition plate is formed with an orifice communicating the inlet side chamber with the outlet side chamber, and said partition plate having a lower end portion provided with a drain hole communicating with both the inlet side chamber with the outlet side chamber, said tank is located at a position lower than said vacuum pump, and the inlet side chamber of said tank is connected to a lower end of a drain discharge line communicating with a lower, inner portion of said casing of the vacuum pump.