Patent ID: 6083381
Filing Date: 2000-07-04
Classification: B01D,F02M,F16K,Y10T

Abstract:
A filter arrangement for filtering a fluid mixture having at least first and second fluids; the filter arrangement comprising:(a) a housing having an inlet for taking in the fluid mixture, and an outlet for exhausting a filtered fluid mixture;(b) a filter construction within said housing; said filter construction being constructed and arranged to separate the fluid mixture into the first and second fluids; and(c) an indicator arrangement in the housing constructed and arranged to indicate whether a level of the first fluid in the housing has reached a predetermined level;(i) said indicator arrangement providing a visual signal when the level of the first fluid has reached the predetermined level;(ii) said indicator arrangement including a float and a window;(A) said float having a density sufficient to float in the first fluid and sink in the second fluid;(B) said float and said window being constructed and arranged to permit said float to be movably mounted within said window; said float being visible through said window when said first fluid level is below said predetermined level; and said float not being visible through said window when said first fluid level has reach said predetermined level.