Fluid handling – With casing – support – protector or static constructional... – Vehicle
Patent
1998-02-04
2000-05-23
Chambers, A. Michael
Fluid handling
With casing, support, protector or static constructional...
Vehicle
137810, 137813, A01G 2509
Patent
active
060654988
ABSTRACT:
A flow control device for providing variable resistance to liquid flow through a flow passageway. A cylindrical housing communicates with the passageway. The housing has a sidewall, and an inlet and an outlet each disposed at two ends. A vortex generator is located within the housing, and has a base spaced from the inlet end of the housing and an annular flow guide radially spaced from the housing sidewall. The flow guide includes a number of slots. Liquid enters the housing through the inlet and is directed outside the vortex generator and through the slots. This creates a vortex flow path within the generator as the liquid flows to the housing outlet, so that as the pressure of the liquid at the inlet increases the flow factor of the device decreases to reduce the liquid flow rate through the device at higher inlet pressures.
REFERENCES:
patent: 4091716 (1978-05-01), Ryan
patent: 4542775 (1985-09-01), Beck
patent: 4917151 (1990-04-01), Blanchard et al.
Brochure by Flow-Rite Controls, Ltd.: "Power Stream Aerator", 1997.
Brochure by Flow-Rite Controls, Ltd.: "Livewell Controls Systems", 1997.
Notes from a Boeing Company continuing-class in "Fluidics" given in 1967, 2 pages, 1997.
Mayer et al, "Vortex Devices," Fluidics, Humphrey et al, ed., Fluid Amplifier Assoc., Revised Ed. 1968, pp. 185-200, 1997.
Chambers A. Michael
Flow-Rite Controls, Ltd.
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