Patent ID: 6474289
Filing Date: 2002-11-05
Classification: B01D,F01M,F02D,F02M,Y02T

Abstract:
An apparatus comprising:an internal combustion engine capable of operation; a source of fluid for use with said engine; a body defining a bore with an axis; a first filter coupled to said body, said first filter having an inlet and an outlet; a second filter coupled to said body, said second filter having an inlet and an outlet; a receiver of filtered fluid; and a valve received within the bore and linearly actuatable along the axis between a first position and a second position, the first position placing the inlet of said first filter in fluid communication with said source and the outlet of said first filter in fluid communication with said receiver, the first position sealing the inlet of said second filter from said source and sealing the outlet of said second filter from said receiver; the second position placing the inlet of said second filter in fluid communication with said source and the outlet of said second filter in fluid communication with said receiver, the second position sealing the inlet of said first filter from said source and sealing the outlet of said first filter from said receiver.