Flow control valve

Patent · Tue Feb 21 00:00:00 EST 1989

OSTI ID:6211804

Szlaga, E

This patent describes a flow-metering pressure-relief valve assembly for vehicle fuel tanks and the like, the assembly comprising a valve housing having an interior wall configured to define a chamber, inlet opening means for admitting fuel vapor into the chamber, and outlet opening means for exhausting fuel vapor from the chamber, the interior wall providing a first flow-metering surface situated in close proximity to the outlet opening means, a valve seat attached to the valve housing and situated in the chamber to surround the inlet opening means, a pressure-relief element in the chamber, the pressure-relief element including a valve member having an inner surface confronting the inlet means, and an upstanding skirt attached to the valve member and having a distal portion extending in an outward direction toward the outlet means in spaced relation to the interior wall of the valve housing, the distal portion providing a second flow-metering surface which cooperates with the first flow-metering surface to define a variable flow-metering orifice therebetween, and biasing means for yieldably biasing the valve member against the valve seat.

• Assignee: Stant Inc., Connersville, IN
• Patent Number(s): US 4805663
• OSTI ID: 6211804
• Resource Relation: Patent File Date: Filed date 13 Oct 1987
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
33 ADVANCED PROPULSION SYSTEMS
AUTOMOTIVE FUELS
METERING
TANKS
VALVES
FLOWMETERS
COMPRESSIBLE FLOW
DESIGN
FLOW RATE
LIQUID FLOW
OPERATION
STORAGE
VEHICLES
CONTAINERS
CONTROL EQUIPMENT
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
FUELS
MEASURING INSTRUMENTS
METERS
024000* - Petroleum- Storage- (-1989)
330600 - Advanced Propulsion Systems- Vehicle Design Factors