Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1977-11-14
1979-07-03
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
60299, B01J 3504, B01J 802, B01J 315
Patent
active
041600100
ABSTRACT:
A device for purifying exhaust gases of an internal combustion engine comprises a tubular housing with an exhaust gas inlet at one end and an exhaust gas discharge at the opposite end, and with a catalyst carrier disposed in the housing between the inlet and the discharge, which has a plurality of axially extending gas passages with a catalyst therein for the passage of exhaust gases therethrough, for the purification thereof. A ring is disposed in the tubular housing adjacent each end of the catalyst carrier and it has an interior diameter which is less than the outer diameter of the catalyst so that the gases are deflected inwardly around the ring. To ensure that the gases do not pass over the periphery of the catalyst carrier into an insulation space and without passing through the catalyst containing passages, a foil sheet is provided which extends over the periphery of the catalyst carrier and is secured to and sealed with the ring. The securement may take place between a small diameter portion of the outer housing and the ring, or between the outer edge of an angle shaped ring and the foil sheet. The foil sheet may extend inwardly from each end and overlap in the center or be extended only a few inches over each end of the catalyst carrier so as to ensure the correct flow of the exhaust gases.
REFERENCES:
patent: 3692497 (1972-09-01), Keith et al.
patent: 3854888 (1974-12-01), Frietzsche et al.
patent: 3892537 (1975-07-01), Gulati et al.
patent: 3972687 (1976-08-01), Frietzsche
patent: 3978567 (1976-09-01), Vroman
patent: 3984207 (1976-10-01), Abthoff et al.
Eberspacher J.
Marcus Michael S.
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