Filter with thermal vent

Details Filter with thermal vent Filter with thermal vent

2008-05-13

2008-05-13

Smith, Duane (Department: 1797)

Gas separation

Combined or convertible

In vented container

C055S310000, C055S385500, C055S498000, C055S315000, C055S502000, C055S510000, C052S098000, C096S018000, C126S263080, C126S263090, C165S081000

Reexamination Certificate

active

07371268

ABSTRACT:
A compressed air filtering cartridge includes a housing and a filter in the housing, the filter having a thermal vent. In one embodiment the filter includes a wall portion having a first condition when below a predetermined temperature range in which the wall portion blocks flow of air between opposite sides of the wall portion. The wall portion has a second condition when above the predetermined temperature range in which the wall portion does not block flow of air between opposite sides of the wall portion. The cartridge may be part of a compressed air system, between a compressor and an air dryer.

REFERENCES:
patent: 4238207 (1980-12-01), Ruschke
patent: 4248610 (1981-02-01), Schminke et al.
patent: 6527839 (2003-03-01), Fornof et al.
patent: 6726752 (2004-04-01), Chen
patent: 7008472 (2006-03-01), Fornof et al.
patent: 7100305 (2006-09-01), Hoffman et al.
patent: 2003/0110949 (2003-06-01), Fornof et al.
patent: 2006/0162344 (2006-07-01), Scudder et al.

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