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9017047 |
Multi-layer primer apparatus and methods
Primer apparatus and methods are described herein. An example primer apparatus includes a flexible body defining an internal chamber to be fluidly coupled to a fuel system. The body includes a... |
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8974416 |
Disposable cassette for an infusion pump for medical use and method for manufacture thereof
A disposable cassette intended for a metering pump for infusion consisting of just two components, namely, a hollow first component (1) forming a pump body, and a second component (5)... |
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8961156 |
Fluid conveying device and driving method for fluid conveying device
A fluid conveying device includes: a tube; a cam having protrusions; fingers arranged along the tube between the tube and the cam; a driving rotor which rotates the cam to sequentially push the... |
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8919117 |
Energy cell operable to generate a pressurized fluid via bladder means and a phase change material
An energy cell generates pressurized fluid for use as an energy source when a phase change material (PCM) changes from solid to liquid phase. The energy cell includes housing means holding the... |
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8807962 |
Multicellular pump and fluid delivery device
The pump is provided with a plurality of pumping chambers and electrically activatable valves. An elastic membrane is arranged in each pumping chamber and divides the same into a first and a... |
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8794937 |
Helically actuated positive-displacement pump and method
First and second structures are connected by helical fibers. The orientation between the first and second structures are changed, and by doing so, the positions of the helical fibers are... |
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8771228 |
IV pump adapted for generic tubing
A system and method of accurately pumping a fluid using tubing of variable inner diameter and material is disclosed. The disclosed pump comprises a pumping mechanism configured to compress and... |
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8701910 |
Wine bottle closure apparatus
An improved wine bottle closure and vacuum pump apparatus is disclosed. The apparatus provides an improved bulb structure to be used for pumping and storage purposes, the bulb remaining with a... |
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8403654 |
Low fuel permeation primer bulb
A fuel primer is disclosed. The primer includes a rigid valve body having first and second ends with first and second check valves therein. The pump also includes an elastic and substantially fuel... |
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8262424 |
System and related methods for marine transportation
A system and related methods for manned and/or unmanned marine transportation involving equipping a vessel capable with a linear pump for propelling the vessel through or substantially over a body... |
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8197234 |
In-line actuator for electromagnetic operation
An electromagnetic actuator for a microfluidic pump of the type that causes periodic pinching and releasing against the walls of a fluidic channel, e.g., a tube. At least one permanent magnet is... |
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8172554 |
Chemical liquid supplying apparatus
In a chemical liquid supplying apparatus, discharge accuracy of chemical liquid is enhanced, and durability of a flexible tube is enhanced. By the flexible tube incorporated into a pump housing,... |
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8152476 |
Positive displacement pump with a working fluid and linear motor control
The present invention relates to positive displacement pumps, and particularly to diaphragm positive displacement pumps. An inventive diaphragm positive displacement pump is provided comprising at... |
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8137083 |
Infusion pump actuators, system and method for controlling medical fluid flowrate
An infusion pump includes an actuator having an output shaft; a pump actuator having a length (lactuator) moved by the output shaft and in contact with tubing, such that the pump actuator at an... |
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8105056 |
Aerating bag
An aerating bag has a body, a connector, a check valve and an intake valve. The body has a connecting tube, a mounting tube and a chamber. The chamber communicates with the connecting tube and the... |
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8087910 |
Chemical liquid supplying apparatus
A chemical liquid supplying apparatus 10 has a bellows 11, which includes a small-size bellows portion 13, a large-size bellows portion 14 with a larger volume change per axial-directional unit... |
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8029253 |
Finger-type peristaltic pump
The invention provides a finger-type peristaltic pump (2) having a body (4) and a housing (6). The body contains two or more finger-type valves (16) and a processor (22) configured to operate the... |
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7955061 |
Priming pump for a circuit subjecting said pump to an outlet pressure greater than an inlet pressure
The invention provides a priming pump comprising a deformable envelope associated with an inlet endpiece and an outlet endpiece each fitted with a moving valve member, the endpieces being arranged... |
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7900850 |
Microdosing apparatus and method for dosed dispensing of liquids
A microdosing apparatus and method include a fluid conduit having a flexible tube with a first end for connecting to a fluid reservoir and a second end where an outlet opening is located. An... |
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7828176 |
Fluid dispenser with internal pump
A hand operated fluid dispensers comprised of a sealed flexible reservoir chamber containing a fluid, a flexible pump chamber encased by and drawing fluid from the reservoir, and a pump cycled by... |
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7547199 |
Fluid pumping system and related methods
A pumping system and related methods involving an outer chamber and an inner chamber extending between two endplates, wherein the circumference of the inner chamber may be adjusted via a plurality... |
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7484942 |
Priming pump for a circuit subjecting said pump to an outlet pressure greater than an inlet pressure
The invention provides a priming pump comprising a deformable envelope associated with an inlet endpiece and an outlet endpiece each fitted with a moving valve member, the endpieces being arranged... |
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7232524 |
Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive
Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the... |
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7222803 |
Liquid dispensing apparatus
A hand operated flexible bulb for use with a liquid dipensing apparatus 5, the bulb comprises an open ended neck 2 which is securable in an air tight manner to a liquid dispensing apparatus. The... |
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7171992 |
Pharmaceutical compounder
Information management systems and methods can be used with at least one pharmaceutical compounding device. The systems and methods comprise a controller coupled to the compounding device. A... |
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7163385 |
Hydroimpedance pump
A hydro-elastic pumping system formed from an elastic tube element having attached end members with different hydroimpedance properties, wherein the elastic element is pinched with certain... |
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7135246 |
Electronic apparatus having energy-saving cooling system
An electronic apparatus includes a component to which a pressure is applied or which provides vibration, a heat absorbing member, a heat dissipating member, an elastomer bag which receives a... |
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6935846 |
Dosing pump
The invention relates to a dosing pump comprising a chamber, an inlet valve located in an inlet pertaining to said chamber, and an outlet valve located in an outlet pertaining to said chamber. The... |
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6887047 |
Pneumatic pinch mechanism for a deformable tube
A pinch mechanism, which can be used as part of a pump, includes a deformable tube (10) enclosed within a body (11) which has a first chamber (11a). The deformable tube (10) defines a flow... |
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6877965 |
Mechanical bladder pump
A mechanical bladder pump is provided for collecting fluid samples from a well. The pump includes an outer tubular member having a longitudinal bore, and an inner tubular member arranged within... |
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6869275 |
Piezoelectrically driven fluids pump and piezoelectric fluid valve
A piezoelectrically driven fluid pump includes a chamber having two opposite sidewalls formed by flexible membranes, and an inlet and an outlet each regulated by a valve. Separate piezo elements... |
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6814262 |
Disposable pump and drive mechanism for dispensing a liquid food product
An assembly for dispensing liquid food product from a food warmer and dispenser that includes a disposable pump. The disposable pump includes a portioning chamber having a hollow open interior... |
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6733252 |
Fluid-handling systems and components comprising a bladder pump, a methods therefor
A fluid-handling system capable, in various embodiments, of storing, mixing, and dispensing fluids, and also regulating the flow of fluids. The system includes a cartridge having a non-expandable... |
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6666665 |
Fluid delivery mechanism having a plurality of plungers for compressing a metering chamber
The present invention provides an infusion pump 10 for providing a flow of a liquid through an tube 28. The infusion pump 10 includes at least two occluders 152, 162 having an open position and a... |
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6623257 |
Disposable mechanism for taking out a fixed amount of fluid and system for supplying a fixed amount of fluid
There is provided a system for supplying a fixed amount of fluid in which the reverse flow of the fluid is eliminated and a precise fixed amount of the fluid can be delivered. In a system for... |
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6619931 |
Bladder pump for liquid sampling and collecting
A liquid pump for pumping groundwater samples from small diameter sub-terrain wells, comprising a tubular casing having inlet apertures, a top cap provided with a fluid communication port and a... |
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6607368 |
Linear pump and method
A linear pump for pumping a fluid includes a generally tubular shaped bladder 50 sealingly engaged on each end to an end cap 20, 25, forming an inner chamber 14, and including each of an inlet 70... |
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6585499 |
Fluid delivery mechanism having a flush-back operation
The present invention provides an infusion pump 10 for providing a flow of a liquid through an tube 28. The infusion pump 10 includes at least two occluders 152, 162 having an open position and a... |
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RE37983 |
Air pump
An air pump comprises a hollow pump body, at least one pulling member, an air inlet and an air outlet. The hollow pump body has air inside and consist of flexible sides and two opposite stiff... |
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6464476 |
Linear pump and method
The linear pump (10,110) includes a housing (12, 112) and either two(20, 22) or one (120) flexible bladders each within a pump housing and interconnected to respective end caps (30, 32, 130, 132,... |
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6450773 |
Piezoelectric vacuum pump and method
A piezoelectric vacuum pump that includes a diaphragm comprising an upper diaphragm member and a lower diaphragm member. The diaphragm members preferably comprise thin metal sheets that are plated... |
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6382933 |
Bladder pump for liquid sampling and collecting
A liquid pump for pumping groundwater samples from small diameter sub-terrain wells. The pump comprises a tubular casing having swaged ends and provided with inlet apertures on its side wall, a... |
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6352455 |
Marine propulsion device
The propulsion device (10) includes a housing (12) having an incoming end cap (14) and an outflowing end cap (16). A tubular bladder (20) within the housing is interconnected to each end cap,... |
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6305913 |
Pressure processing a pumpable substance with a flexible membrane
An apparatus and method for pressure processing a pumpable substance, such as a pumpable food product or slurry. In one embodiment, the apparatus includes a pressure vessel having an inlet valve... |
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6302660 |
Tube pump with flexible tube diaphragm
As tube-phragm pump includes a pump head (1) and an electromagnetic driver (2). The pump head (1) includes a cylinder (21) having a cylindrical space formed therein, and a cylindrical flexible... |
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6267570 |
Peristaltic pump
A peristaltic pump utilizing a fluid inlet from a source of fluid which communicates with a flexible conduit. The flexible conduit is compressed utilizing a motor which rotates a shaft. An... |
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6258036 |
Blood pressure inflation bulb with permanently secured intake valve
A hand pump for connection to a pressure control valve used as part of a sphygmomanometer. The hand pump comprising an inflation bulb, a plug and an intake valve. The inflation bulb comprising of... |
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6213723 |
Volumetric infusion pump
A medical infusion pump is disclosed which provides for greatly improved accuracy in the delivery of medicaments to a patient. Among the various features included in the instant invention is a... |
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6213739 |
Linear peristaltic pump
A liquid pumping apparatus for pumping liquids, more specifically a linear peristaltic pump apparatus. The apparatus consists of a high durometer compressible elastomeric liquid flow tube (12), an... |
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6213738 |
Volumetric infusion pump
A medical infusion pump is disclosed which provides for greatly improved accuracy in the delivery of medicaments to a patient. Among the various features included in the instant invention is a... |