Air filter gauge

Details Air filter gauge Air filter gauge

1976-02-23

1977-07-05

Nozick, Bernard

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

73 38, 210 90, 340239F, B01D 4600

Patent

active

040337332

ABSTRACT:
A gauge detecting the presence of a restriction placed upon an air stream passing through a filter in connection with an internal combustion engine, said gauge including a linear indicator to show the relative restriction present in the filter and including an indicator to show that the filter requires cleaning or replacement.

REFERENCES:
patent: 3066527 (1962-12-01), Stein
patent: 3443365 (1969-05-01), Lee et al.
patent: 3465707 (1969-09-01), Kashiwaba
patent: 3928006 (1975-12-01), Martineau
patent: 3939457 (1976-02-01), Nelson

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