| 摘要 |
PROBLEM TO BE SOLVED: To provide an air filter allowing an easy attachment of an indicator to the central part of the body. SOLUTION: Consisting of a body 1 attached with an element case 2 housing a filter element 3, the filter filters air introduced from an air-supplying hole 4 with the element 3 and discharges from a discharge hole 5. An indicator 6 operating according to the pressure difference between the primary pressure, or the pressure of air before passing through the element 3, and the secondary pressure, or that after passing through the element 3, is arranged in the central part of the upper surface of the body 1. COPYRIGHT: (C)2006,JPO&NCIPI
|
