초록 ▼

A filter arrangement includes a first filter element having opposite first and second ends; an axial length between the first and second ends; and a plurality of flutes. Each of the flutes has a first end portion adjacent to the first filter element first end, and a second end portion adjacent to th

A filter arrangement includes a first filter element having opposite first and second ends; an axial length between the first and second ends; and a plurality of flutes. Each of the flutes has a first end portion adjacent to the first filter element first end, and a second end portion adjacent to the first filter element second end. Selected ones of the flutes are open at the first end portion and closed at the second end portion; and selected ones of the flutes are closed at the first end portion and open at the second end portion. A sleeve member secured to and circumscribing the first filter element. The sleeve member is oriented relative the first filter element to extend at least 30% of the axial length of the first filter element. A seal member pressure flange at least partially circumscribes the sleeve member. The filter arrangement is particularly useful for gas turbine systems. Methods for operating and servicing filter arrangements preferably utilize constructions herein.

대표청구항 ▼

1. A filter arrangement comprising:(a) a first filter element having opposite first and second ends; an axial length between said first and second ends; and a plurality of flutes; (i) each of said flutes having a first end portion adjacent to said first filter element first end, and a second end por

1. A filter arrangement comprising:(a) a first filter element having opposite first and second ends; an axial length between said first and second ends; and a plurality of flutes; (i) each of said flutes having a first end portion adjacent to said first filter element first end, and a second end portion adjacent to said first filter element second end; (A) selected ones of said flutes being open at said first end portion and closed at said second end portion; and selected ones of said flutes being closed at said first end portion and open at said second end portion; (b) a sleeve member secured to and circumscribing said first filter element; (i) said sleeve member being oriented relative said first filter element to extend at least 30% of said axial length of said first filter element; (c) a seal member pressure flange extending radially from said sleeve member and fully circumscribing said sleeve member; (i) said seal member pressure flange including first and second opposite axial surfaces; and (d) a seal member secured to said first axial surface of said seal member pressure flange and circumscribing said sleeve member; (i) said seal member being a circular gasket member.