초록 ▼

The invention relates to a filter system, in which a filter case 3 and a filter cover 4 can be inserted or removed in easy and quick manner. On a cylindrical engaging portion of the filter case 3 with the filter cover 4, a plurality of projections 25 and a plurality of engaging recesses 26 engageabl

The invention relates to a filter system, in which a filter case 3 and a filter cover 4 can be inserted or removed in easy and quick manner. On a cylindrical engaging portion of the filter case 3 with the filter cover 4, a plurality of projections 25 and a plurality of engaging recesses 26 engageable with each other are provided, and a vertical channel 26a extending in axial direction of the filter case 3 and a transverse channel 26b extending in circumferential direction are arranged.

대표청구항 ▼

A filter system for filtering a fluid, the filter system comprising: a filter cover having a diameter, an axial direction, an inside, an open end edge, an inner side wall, an outer side wall, an inlet port for introducing the fluid into the filter system, an outlet port for discharging the fluid fro

A filter system for filtering a fluid, the filter system comprising: a filter cover having a diameter, an axial direction, an inside, an open end edge, an inner side wall, an outer side wall, an inlet port for introducing the fluid into the filter system, an outlet port for discharging the fluid from the filter system, and a cylindrical engagement portion, the filter cover is located in one fixed position; a filter case having a diameter, an axial direction, an open edge end, a cylindrical engagement portion for connecting with the filter cover cylindrical engagement portion, an inner side wall, an outer side wall, an inside, and a bottom located on the inside; a plurality of projections and a plurality of engaging recesses located on the cylindrical engaging portion of the filter case and the filter cover, each of the plurality of engaging recesses having a vertical channel extending in the axial direction of the filter cover or the filter case, the vertical channel having a first end and a second end, the first end of the vertical channel formed at the open end edge of the filter cover or the filter case, and a transverse channel extending transversely in a circumferential direction from the second end of the vertical channel, the transverse channel is inclined in such a direction so that the filter case and the filter cover are pulled closer to each other when the plurality of projections move along the plurality of transverse channels of the engaging recesses, for removably connecting the filter case to the filter cover; a filter element having a cylindrical shape, a lower end, a middle portion, an outer surface, and an inner surface, the outer surface of the filter element is in fluidic communication with the inlet port of the filter cover, the inner surface of the filter element is in fluidic communication with the outlet port of the filter, cover, for filtering a fluid as it passes through the filter element from the outer surface to the inner surface of the filter element; spring means connected to the bottom of the filter case to elastically hold the filter element, in the axial direction, between the filter case and the filter cover; a filter element holder having a plurality of elastic holding pieces curved in arcuated form for elastically holding the lower end of the filter element between the holding pieces, and the filter element holder is connected to the spring means; and a plurality of elastic supporting pieces curved in arcuated form are attached to the inside of the filter case for elastically holding the middle portion of the filter element with the supporting pieces.