Air cleaner for engine of vehicle

1. An air cleaner for an engine of a vehicle, comprising:

a cleaner case; and

a filter assembly disposed in the cleaner case, the filter assembly including a cylindrical cleaner element, an element supporting member supporting a lower end of the cleaner element and an inner circumferential surface of the cleaner element so that the cleaner element is kept in a predetermined cylindrical shape, and a plate-shaped top cover detachably fastened on an upper surface of the element supporting member so as to press an upper end of the cleaner element downward.

2. The air cleaner according to claim 1 , wherein the element supporting member is formed separately from the cleaner case, the element supporting member including an annular base supporting the lower end of the cleaner element and a circumferential side wall supporting the inner circumferential surface of the cleaner element to keep the cleaner element in the predetermined cylindrical shape, the circumferential wall having a plurality of air passages.

3. The air cleaner according to claim 2 , wherein the cleaner case includes a lower case member on which an installation seat for the element supporting member is formed, a flame arrester being held together with a sealing member between the installation seat and a lower surface of the annular base of the element supporting member.

4. The air cleaner according to claim 3 , wherein an upward protruding rib is formed on the installation seat along a seat surface, with which a lower surface of the sealing member is in contact, of the installation seat, an outer circumferential surface of the sealing member being pressed against an inner circumferential surface of the upward protruding rib.

5. The air cleaner according to claim 1 , the top cover and the element supporting member are made of resin.