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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 417/53 - PROCESSES


Subclass of Class 417 - Pumps
Definition: Processes of pumping .
No. of patents: 1200
Last issue date: 02/14/2012


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NumberTitleIssue Date
8113790Pump assembly
A pump assembly including a pumping element mounted for rotation within a pump chamber, movement of the pumping element in the chamber causing pumping of fluid within the pump chamber, and a motor, the motor including a stator and a rotor which is connected to the p...
02/14/2012
8070459Pressure control method
The present invention relates to a method of setting the pressure in a chamber of a vacuum system to a required pressure, the system comprising a pressure control system including a pump for evacuating gas from the chamber and a flow controller for allowing the flow...
12/06/2011
8052399Peristaltic pump
A peristaltic pump is presented comprising a housing and a rotor assembly supported by the housing. An occlusion bed is slideably mounted in the housing. A door is pivotable about a shaft, which is supported by the housing. A pinion gear is coupled to the shaft and ...
11/08/2011
7988426Compressor ported shroud for foil bearing cooling
A compressor ported shroud takes compressed air from the shroud of the compressor before it is completely compressed and delivers it to foil bearings. The compressed air has a lower pressure and temperature than compressed outlet air. The lower temperature of the ai...
08/02/2011
7976285Electronic control for heavy duty truck compressed air charging system
A method of charging a compressed air storage tank for a vehicle increases the pressure in the storage tank from a first pressure to a second pressure. The method includes determining the first pressure according to a first detected vehicle engine load, and starting...
07/12/2011
7976286Method and apparatus for pumping liquids using directional growth and elimination bubbles
A method and device for the pumping of liquids utilizes the directional growth and elimination of gaseous vesicles or bubbles to provide the motive or pumping force. In one embodiment, the pumping device is a microfluidic pumping mechanism having a channel, a bubble...
07/12/2011
7955056Method for controlling a compressed air installation comprising several compressors, control box applied thereby and compressed air installation applying this method
Method for adjusting a compressed air installation using several electrically driven compressors of what is called the “loaded/unloaded” type and/or the turbo compressor type and/or the compressor type with variable rotational speed, wherein these compressors ar...
06/07/2011
7942642Method and apparatus for highly efficient compact vapor compression cooling
The subject invention pertains to a method and apparatus for cooling. In a specific embodiment, the subject invention relates to a lightweight, compact, reliable, and efficient cooling system. The subject system can provide heat stress relief to individuals operatin...
05/17/2011
7931448System and method for manufacturing a brushless DC motor fluid pump
A system and method for manufacturing a brushless direct current (BLDC) motor fluid pump is disclosed. The system includes an electromagnetic forming device, an upper fixture, a lower fixture, and a pneumatic or hydraulic cylinder. The electromagnetic forming device...
04/26/2011
7927080Method for operating a liquid ring compressor
The invention relates to a method of operating a liquid ring compressor having an impeller installed eccentrically in a compressor body, with gas being supplied to the liquid ring compressor on a suction side and gas being discharged from the liquid ring compressor ...
04/19/2011
7878767Cyclonic, debris removing valve and method
There is provided, in one embodiment, a ball valve for regulating the flow of petroleum fluids therethrough. The ball valve is capable of transitioning between an open and a closed position. The ball valve includes in one embodiment a hydraulic piston, containment u...
02/01/2011
7837447Diluter pump for chemistry analyzers
A chemistry analyzer precision pump is disclosed. In one general aspect, it has a pump block that defines a first pump chamber with a fluid port at a first end, an opening for a piston at a second end, and a seal mount located between the opening and the port. A sec...
11/23/2010
7819634Air cooled packaged multi-stage centrifugal compressor method
Provided is a method including routing a compressed gas from a centrifugal gas compressor through at least one of a plurality of air coolers, and directing air flow through the plurality of air coolers, wherein the plurality of air coolers are arranged adjacent to o...
10/26/2010
7815420Pump controller system and method
A method and apparatus for a pump control system. One or more embodiments of the invention include a pump controller that can perform a self-calibrating procedure, can provide precise motor speed control, can provide a limp mode before shutting down the motor when s...
10/19/2010
7798783Magnetically driven valveless piston pumps
Valveless piston pumps are disclosed that are magnetically driven, thereby eliminating a troublesome dynamic seal used on conventional valveless piston pumps. An exemplary embodiment includes a housing defining a bore having a bore axis. A piston is situated in the ...
09/21/2010
7771174Reciprocating slurry pump with a continuous feed rate
In a two-cylinder slurry pump for the continuous feeding of, in particular, concrete, in which pump two feed cylinders remove the high-viscosity material from a pre-charging tank and deliver it to a feed line, a diverter valve is provided with a cross-section that n...
08/10/2010
7753657Method of controlling a pumping assembly
A method of displacing a pumping assembly. In a first step, a first current is applied in a first direction through a coil assembly to displace a drive assembly from an initial position to cause a first pumping motion. Then, the drive assembly is returned to the ini...
07/13/2010
7648343Air compressor unit inlet control method
A method allows for controlling the amount of electric current from an electrical circuit used by an electric motor in an electric motor driven reciprocating air compressor unit. A piston is reciprocated with a portable electric motor while air is channeled through ...
01/19/2010
7604462High pressure pump having plunger
A high pressure pump draws fluid from a fluid inlet into a compression chamber through an inlet chamber. The high pressure pump has a fluid chamber that communicates with the fluid inlet via the inlet chamber. The high pressure pump includes a plunger and a cylinder...
10/20/2009
7594801Chemical liquid apparatus and deaerating method
The amount of chemical liquids dispensed by a chemical liquid supply apparatus is stabilized and dispensing accuracy is remarkably improved. A pump discharges a liquid accommodated in a liquid tank. A filter is connected to the pump through a pump outlet flow path t...
09/29/2009
7572107Ultra low volume chemical delivery system and method
A mobile, real-time system for delivering an aerosol spray to a treatment area while maintaining the fluid within a closed environment for providing maximum personal protection to the operators handling the fluid during the transfer and application of the fluid. The...
08/11/2009
7572108Pump controller system and method
A method and apparatus for a pump control system. One or more embodiments of the invention include a pump controller that can perform a self-calibrating procedure, can provide precise motor speed control, can provide a limp mode before shutting down the motor when s...
08/11/2009
7572106Ink pumping apparatus for printing press and ink leak preventing method
It is intended to prevent ink from leaking through the ink outlet of the ink rail while the printing press is at halt. To achieve this object, a motor control section 40 shown in FIG. 4 controls the rotation of a stepping motor 15 driving a plun...
08/11/2009
7517200Variable discharge fuel pump
A pump has a housing defining at least one pumping chamber, and a plunger slidably disposed within the at least one pumping chamber. The plunger is movable between a first and second spaced apart end positions to pressurize a fluid. The pump also has a driver operat...
04/14/2009
7503753Variable capacity fluid pump for an engine
A variable capacity fluid pump that can be controlled independently of the rotation of the engine is provided. The fluid pump comprises a planetary gear mechanism having a first gear, second gears and a third gear. The second gears are connected to a crankshaft of t...
03/17/2009
7484938Electronic control for pool pump
An electronic pool pump timer that controls the run time or the pump for a period of time each day depending on the date. In the preferred embodiment, the user enters the historical daily maximum and minimum pump run times for the specific pool and the system calcul...
02/03/2009
7442012Speed control for compressors
Improvements to a compressor which consists in that, as soon as the measured outlet temperature (TO) reaches a certain hysteresis upper temperature limit (HMAX), the actual rotational speed of the compressor element is either lowered with a speed jump (DS) when the ...
10/28/2008
7431569Pump health monitoring
A method of monitoring the health of a positive displacement hydraulic pump comprising the steps of: establishing a flow path having a known flow number between a high pressure outlet line of the pump (and a low pressure line of th...
10/07/2008
7421316Method and device for regulating fluid pump pressures
A method is provided for regulating fluid pump pressures by detecting an elevation differential between a fluid flow control device and the distal end of a fluid line in communication with the fluid flow control device. A fluid flow control device, for instance a pe...
09/02/2008
7415829Piston compressor
A piston compressor comprises a piston (12) which oscillates in a cylinder (14). A compressed-gas supply arrangement is provided which comprises a compressed-gas accumulator (34), a compressed-gas supply line (18) between a compressed-gas...
08/26/2008
7413411Electronically controlled vacuum pump
A vacuum system comprises, as an integral assembly, a vacuum pump with drive motor, a purge valve, a roughing valve and an electronic control module. A cryogenic vacuum pump and a turbomolecular vacuum pump are disclosed. The control module has a programmed processo...
08/19/2008
7413413System and method to reduce acoustic noise in screw compressors
A system is provided for attenuating tonal acoustic noise associated with a single positive displacement compressor, or multiple positive displacement compressors proximately located from each other. A controller selectably controls the rotational speed and the freq...
08/19/2008
7413615Method of transferring polymerizable liquid and apparatus for transfer
A subject for the invention is to provide a method of transferring a polymerizable liquid by which the polymerizable liquid can be stably transferred without arousing any mechanical-seal trouble over long. The method of transferring a polymerizable liquid utilizes a...
08/19/2008
7409997Electric submersible pump with specialized geometry for pumping viscous crude oil
A centrifugal pump has impellers for pumping low flow, high viscous materials. The impellers have high exit angles greater than 30 degrees and preferably greater than 50 degrees. The impellers and diffusers have specific geometry that varies with viscosity. The pump...
08/12/2008
7404702Debris evacuation apparatus and method for an oil pump
A debris evacuation apparatus and method evacuates debris in a pumping system that forms between the plunger exterior and barrel interior. The apparatus has at least one seal and one groove located south of the seal, with the seal blocking northward travel of debris...
07/29/2008
7396216Submersible pump assembly for removing a production inhibiting fluid from a well and method for use of same
A submersible pump assembly (100) for removing a production inhibiting fluid (102) from a well (110) and method for use of the same is disclosed. The submersible pump assembly (100) includes a composite coiled tubing (120) and a su...
07/08/2008
7387498System and method for noise attenuation of screw compressors
A system is provided for attenuating noise in at least two positive displacement compressors proximately located from each other for use with at least one heating or cooling system. A lead compressor and a lag compressor have a selectably controllable rotational spe...
06/17/2008
7387499System and method for testing the operation of a cooling fan
The present invention is directed to a method for testing the operation of a cooling apparatus of an information handling system. The method may include determining a first rotational speed for operating a fan of the cooling apparatus, with the first rotational spee...
06/17/2008
7383967Apparatus and methods for pumping high viscosity fluids
A system for dispensing and filtering fluid is disclosed, in which the fluid flow path is substantially vertical from the fluid inlet through fluid dispense. Substantially all wetted surfaces are Teflon® or some similar non-contaminating fluid, for applications suc...
06/10/2008
7384249Fluid metering system
A fluid metering system includes a housing having a piston chamber with first and second spaced ends, at least one housing inlet passage, and at least one housing outlet passage. The housing inlet and housing passages communicate with the piston chamber. A piston is...
06/10/2008
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