Gas separation – Plural serial basically diverse separating media – With heating or cooling means or having insulation
Patent
1978-08-30
1980-11-11
Prunner, Kathleen J.
Gas separation
Plural serial basically diverse separating media
With heating or cooling means or having insulation
55385B, 55434, 55437, 55473, 55498, 55510, 55DIG28, 123198E, 180 54A, B01D 5000
Patent
active
042330432
ABSTRACT:
An air cleaner especially for use on small single cylinder internal combustion engines has a substantially annular air filter element of the dry paper type, removably mounted in a housing to divide the same into inner and outer compartments, the latter having an outlet for cleaned air that is connectable with the air intake port of the engine carburetor. An inlet passage for air to be cleaned which leads to the inner compartment, is so constructed that air flowing therethrough must undergo an abrupt change in direction in order to reach the inner compartment, and has an outlet so located that solid contaminants entrained in the air flowing to the inner compartment, by virtue of the tendency thereof to continue moving in the direction they were, leave the inlet passage through that outlet and hence are separated from the air before it enters the inner compartment. The entrance into the air inlet passage communicates with the high velocity region of the blower housing of the engine and is so disposed with respect thereto that to enter the inlet passage, air from the blower housing must abruptly change direction so that much of any dust and chaff entrained in the air stream bypasses the entrance.
REFERENCES:
patent: 2069379 (1937-02-01), Moe
patent: 2708920 (1955-05-01), Pasturczak
patent: 2963111 (1960-12-01), Rohrbacher
patent: 3488928 (1970-01-01), Tarala
patent: 3885547 (1975-05-01), Doepke et al.
patent: 4117823 (1978-10-01), Funabashi et al.
Briggs & Stratton Corporation
Prunner Kathleen J.
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