Fluid handling – Liquid level responsive or maintaining systems – Liquid excluding devices for gas inlet or outlets
Patent
1998-09-17
2000-01-04
Michalsky, Gerald A.
Fluid handling
Liquid level responsive or maintaining systems
Liquid excluding devices for gas inlet or outlets
96406, 123198E, 137202, F16K 3118
Patent
active
060098988
ABSTRACT:
A valve assembly includes a housing and a float. The housing is constructed and arranged to inhibit movement of the float between a resting position to a position where it is situated in its valve seat, unless a selected liquid volume within the valve housing is attained. In one embodiment, a series of projection members or rings creates a tortuous path, such that there is no clear path for the float to reach the valve seat. In another embodiment, vacuum pressure is created between the float and its cup support. Still other embodiments utilize magnets, springs, linkages, and bent wires. Methods for preventing liquid ingestion into an engine through an air intake are also provided.
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Betts Pete A.
Gillingham Gary R.
Matthys Bernard A.
Risch Daniel T.
Tokar Joseph C.
Donaldson & Company, Inc.
Michalsky Gerald A.
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