Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent
1986-03-24
1988-02-16
Cross, E. Rollins
Internal-combustion engines
Lubricators
Crankcase, pressure control
55461, F01M 100
Patent
active
047248076
ABSTRACT:
The filtering apparatus filters air-contaminant mixtures. An annular housing has an outer wall and a channel defining a central axis, the channel having a primary gas inlet and a primary gas outlet and a channel wall. The apparatus has a secondary inlet port passing through the outer wall. A secondary outlet port defines an opening in the channel wall such that there is no straight line flow path between the secondary inlet and the secondary outlet. A passageway between the secondary inlet and the secondary outlet is defined exteriorly by the outer wall and interiorly by the channel wall.
REFERENCES:
patent: 3789582 (1974-02-01), Graybill
patent: 3822532 (1974-07-01), Weisgerber
patent: 4047912 (1977-09-01), Markland
patent: 4095966 (1978-06-01), Isley
patent: 4401093 (1983-08-01), Gates, Jr. et al.
patent: 4404950 (1983-09-01), Dallman
patent: 4409950 (1983-10-01), Goldberg
patent: 4585466 (1986-04-01), Syred et al.
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