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Patent No. 6711769

Pillow with retractable umbrella

A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.

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Class 137/839 - And enlarged interaction chamber


Subclass of Class 137 - Fluid handling
Definition: Device wherein said common zone is greater in size than
No. of patents: 8
Last issue date: 06/06/2006


NumberTitleIssue Date
7055541Method and mechanism for producing suction and periodic excitation flow
A method and mechanism of producing a suction and periodic excitation flow. The method includes providing fluid flow from jet port with diameter dl at a controlled input pressure (Pin), directing the flow to a conduit with diameter d2, >d1, allowing additional fluid...
06/06/2006
6976507Apparatus for creating pulsating fluid flow
A fluidic oscillator is disclosed, wherein the fluidic oscillator includes a fluid source and a housing coupled to the fluid source. At least one recess is formed within the housing. An insert resides within each at least one recess; the insert provides at least one...
12/20/2005
6792976Fluid distribution device having improved deviating means
A fluid distribution system comprised of an inlet duct (1) and two outlet ducts (6 and 7) including deviating means for directing the inlet flow into one or the other outlet ducts (6 and 7) composed of a mobile wall (2) suit...
09/21/2004
4721251Fluid dispersal device
A fluid dispersal device has a fluid inlet port, a nozzle, a fluid jet passage and an outlet throat provided in a housing and arranged from the upstream side thereof in order. The sidewalls defining the fluid jet passage are composed of deflection walls, ...
01/26/1988
4562867Fluid oscillator
There is disclosed a fluidic oscillator in which a stream of fluid is directed against a barrier member in an oscillation chamber. The barrier member serves as one wall of the oscillation chamber and in conjunction with other shaped wall surfaces of the o...
01/07/1986
4434812Fluidic gain changer
A fluidic gain changer uses a fluid jet to mechanically deflect between two ets of fluidic receivers. A planar fluidic amplifier has its power jet, control jets and interaction regions bounded together to form a flexible tab than can be deflected in the th...
03/06/1984
4388950Fluid flow control element having movable valve and method
A fluid flow control element is constituted by a fluidic amplifier having an interaction region shaped to provide side walls leading to a pair of fluid flow outlets. The fluid flow inlet for the fluidic amplifier has positioned adjacent thereto at least o...
06/21/1983
4000757High gain fluid amplifier
A bistable fluidic amplifier having high gain is disclosed. Power fluid is upplied through an inlet port and lobe-shaped feedback cavities downstream provide an oscillating differential pressure or flow between a pair of outlets. A pair of opposed control ...
01/04/1977
 
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