Flow control valve

Patent · Tue Feb 21 04:00:00 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
• Country of Publication: United States
• Language: English

Related Subjects

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