Patent ID: 6096211
Filing Date: 2000-08-01
Classification: B01D

Abstract:
A fluid filtering apparatus for a vehicle, which comprises:a filter element provided with an element body having a tubular shape and with sealing members having a plate-shape, a respective sealing member being joined to each of opposite ends of said element body;a filter case for receiving said filter element; anda pair of holding members, a respective holding member coming into close contact with a corresponding sealing member of said filter element in an axial direction of said filter element so as to divide an inside of said filter case into a dirty-side zone and a clean-side zone, between which said filter element is placed;wherein:each sealing member has a closed configuration including an inner peripheral portion and an outer peripheral portion, the sealing member being joined to said element body by ultrasonic fusion, which is applied exclusively to the outer peripheral portion of each sealing member, each inner peripheral portion abutting a respective opposite inner end of the element body and not being joined thereto by ultrasonic fusion, whereby a respective inner peripheral portion has a greater thickness and a greater degree of resiliency than a respective outer peripheral portion.