Gas separation – With separating media bypass or system gas pressure relief – Valved bypass means
Patent
1979-03-06
1981-07-21
Lazarus, Ira S.
Gas separation
With separating media bypass or system gas pressure relief
Valved bypass means
123518, 55517, 55501, B01D 5000, F02M 3302
Patent
active
042796300
ABSTRACT:
Air cleaning means suitable for use with an internal combustion engine including a fuel vapor adsorbing filter element and a sucked air cleaning filter element arranged independently of and separately from each other. The fuel vapor adsorbing filter element includes a filter material layer containing fibers of active carbon for adsorbing fuel vapors thereon, and a metallic reinforcing member, while a sucked air cleaning filter element includes a filter material layer of the usual type for cleaning the air drawn by suction into a combustion chamber of the internal combustion engine. The fuel vapor adsorbing filter element may further include a plurality of reinforcing layers of nonwoven fabric each located on one of opposite sides of the filter material layer. The filter material layer and the reinforcing layers of nonwoven fabric may be formed with a plurality of apertures extending therethrough, and an additional layer of nonwoven fabric may be mounted between the metallic reinforcing member and one of the plurality of reinforcing members of nonwoven fabric which is located inside the filter material layer.
REFERENCES:
patent: 2574053 (1951-11-01), McGowan
patent: 3541765 (1970-11-01), Adler et al.
patent: 3572013 (1971-03-01), Hansen
patent: 3572014 (1971-03-01), Hansen
patent: 3747303 (1973-07-01), Jordan
patent: 4139354 (1979-02-01), Giles
Nakamura Yasuhiko
Yamakawa Yoshio
Lazarus Ira S.
Moy Magdalen
Nippondenso Co. Ltd.
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