US 2014/0208703 A1 · GAS/LIQUID SEPARATOR AND COMPONENTS; LIQUID DRAIN FLOW ASSEMBLIES; SYSTEMS OF USE ; AND, FEATURES; AND, COMPONENTS

Abstract

According to the present disclosure gas/liquid separator assemblies, such as crankcase ventilation filter assemblies, and components are described. Also described are liquid flow control arrangements for facilitating liquid flow from a region of first effective pressure to a region of second higher effective pressure are described. In examples, the flow control arrangements are configured so they can be used in association with a gas/liquid separator, managing separation of liquids from crankcase ventilation gases, for example for internal combustion engines. Example arrangements are described, used with crankcase ventilation gas filter assemblies. Combinations of equipment, and various components usable in those combinations, are described.

Claims33

Dependent claims

A filter cartridge for use in a crankcase gas ventilation filter assembly;

the filter cartridge comprising:
(a) filter media positioned in extension between upper and lower end pieces;
(i) the filter media surrounding a cartridge open central interior;
and,
(b) a gas aperture arrangement through one of the upper and lower end pieces at a location in overlap with the filter media.

2 more elements

A liquid flow control arrangement for use in facilitating liquid flow from a region of first effective pressure to a region of second, higher, effective pressure;

the flow control arrangement comprising:
(a) a housing defining a transition chamber having a transition chamber interior and comprising a sidewall and transition chamber bottom;
(i) the transition chamber including a transition chamber liquid drain outlet aperture arrangement configured for drainage of liquid from the interior of the transition chamber;
(b) a transition chamber one-way drainage valve arrangement positioned to control liquid drain through the transition chamber liquid drain outlet aperture arrangement and from the transition chamber;
(c) a first gas flow conduit in flow communication with the interior of the transition chamber;
the first gas flow conduit defining a valve seat;
(d) a second gas flow conduit in flow communication with the interior of the transition chamber;
(e) a liquid flow inlet to the transition chamber;
(f) a transition chamber one-way flood valve arrangement positioned to control liquid flow through the liquid flow inlet and into the transition chamber;
(g) a transition chamber valve arrangement including a valve arrangement positioned in the transition chamber interior and moveable upon:
entrance of sufficient liquid through the liquid flow inlet to the transition chamber;
and, sufficient liquid drain flow from the transition chamber, between:
(i) a first position in which both of the first gas flow conduit and the second gas flow conduit are open;
and,
(ii) a second position in which the valve seat of the first gas flow conduit is inhibited from gas flow therethrough while the second gas flow conduit remains open;
and,
(h) the transition chamber one-way flood valve arrangement and the transition chamber one-way drainage valve arrangement being configured such that:
(i) when the transition chamber valve arrangement is in the first position:
the one-way flood valve arrangement is configured to facilitate liquid flow into the transition chamber through the liquid flow inlet;
and, the transition chamber one-way drainage valve arrangement is configured to inhibit liquid drainage flow from the transition chamber;
and,
(ii) when the transition chamber valve arrangement is in the second position:
the one-way flood valve arrangement is configured to inhibit liquid flow into the transition chamber through the liquid flow inlet;
and, the transition chamber one-way drainage valve arrangement is configured to facilitate liquid drainage flow from the transition chamber.

21 more elements

A combination including a gas/liquid separator assembly and a liquid flow control arrangement to facilitate liquid flow from the gas/liquid separator assembly to an engine crankcase;

the combination comprising:
(a) a gas/liquid separator assembly comprising:
a gas/liquid separator assembly housing defining a gas flow inlet, a gas flow outlet, and gas/liquid separator liquid drain outlet;
and,
(b) a liquid flow control arrangement comprising:
(i) a housing defining a transition chamber having a transition chamber interior and comprising a sidewall and transition chamber bottom;
(A) the transition chamber including a transition chamber liquid drain outlet aperture arrangement configured for drainage of liquid from the interior of the transition chamber;
(ii) a transition chamber one-way drainage valve arrangement positioned to control liquid drain through the transition chamber liquid drain outlet aperture arrangement from the transition chamber;
(iii) a first gas flow conduit in flow communication with the interior of the transition chamber;
the first gas flow conduit defining a valve seat;
(iv) a second gas flow conduit in gas flow communication with the interior of the transition chamber;
(v) a liquid flow inlet to the transition chamber;
(vi) a transition chamber one-way flood valve arrangement positioned to control liquid flow through the liquid flow inlet and into the transition chamber;
(vii) a transition chamber valve arrangement including a valve arrangement positioned in the transition chamber interior and moveable upon:
entrance of sufficient liquid through the liquid flow inlet to the transition chamber;
and, sufficient liquid drain flow from the transition chamber between:
(A) a first position in which both of the first gas flow conduit and the second gas flow conduit are open;
and,
(B) a second position in which the valve seat of the first gas flow conduit is inhibited from gas flow therethrough while the second gas flow conduit remains open;
and,
(viii) the transition chamber one-way flood valve arrangement and the transition chamber one-way drainage valve arrangement being configured such that:
(A) when the transition chamber valve arrangement is in the first position:
the one-way flood valve arrangement is configured to facilitate liquid flow into the transition chamber through the liquid flow inlet;
and, the transition chamber one-way drainage valve arrangement is configured to inhibit liquid drainage flow from the transition chamber;
and,
(B) when the transition chamber valve arrangement is in the second position:
the one-way flood valve arrangement is configured to inhibit liquid flow into the transition chamber through the liquid flow inlet;
and, the transition chamber one-way drainage valve arrangement is configured to facilitate liquid drainage flow from the transition chamber;
(c) the combination being configured for direction of liquid from the gas/liquid separator assembly through the gas/liquid separator assembly liquid drain outlet and to the liquid flow inlet to the transition chamber of the liquid flow control arrangement.

26 more elements

Dependencies are inferred from the claim text.

Gas/liquid separator and components; liquid drain flow assemblies; systems of use ; and, features; and, components

Life of this patent

Gas/liquid separator and components; liquid drain flow assemblies; systems of use ; and, features; and, components

Life of this patent

Abstract

Claims33