Matches 1 - 13 out of 13

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US20090081061 PERIPHERALLY PIVOTED OSCILLATING VANE MACHINE  
The present invention is directed to a peripherally pivoted oscillating vane machine (OVM). The OVM has been optimized for performance and efficiency. This has been accomplished by reducing loads...
US20070274844 PROCESS AND DEVICE FOR GENERATING SIGNALS WHICH CAN BE TRANSMITTED IN A WELL  
In a process for generating signals which can be transmitted from above ground to a receiver located below ground in a well, the volume flow of a fluid pump (1) arranged above ground, which...
US20080152521 Ultra-Low Friction Air Pump for Creating Oscillatory or Pulsed Jets  
An air pump positioned within a hollow space in an aerodynamic structure for controlling the flow over an aerodynamic surface thereof, includes a movable member linearly displaced by a very low...
US20130236343 COMPRESSOR WITH LOW FRICTION SEALING  
The invention relates to a compressor comprising a rotatable portion where the active volume is divided by transverse wings (4a-b) and a rotatable ring element (2) with its normal at an angle to...
US20120107146 Pumping Device Having A Pressure Adjustable Function  
A pumping device includes a barrel, a top cover mounted on an open top of the barrel, a cylinder mounted in the barrel and connected to the top cover, a piston movably mounted in the cylinder, a...
US20060271020 Portable drug delivery device including a detachable and replaceble administration or dosing element  
A device for transdermal drug delivery and administration of differing dosages at specific times of the day automatically pursuant to a pre-programmed dosage profile. The device includes a control...
US20110081267 PUMP  
A fluid pump comprising a chamber which, in use, contains a fluid to be pumped, the chamber including a main cavity having a substantially cylindrical shape bounded by first and second end walls...
US20100196181 Pump Device  
A pump that enhances the flow of liquids in a system according to the movement of one or more generally planar oscillating members within a fluid flow chamber, as directed by rotation of a simple...
US20140234145 ARRANGEMENT OF COMPONENTS OF A LINEAR COMPRESSOR  
The present invention refers to the arrangement of components comprised in a linear compressor (1), which is fundamentally composed by at least one resonant oscillating mechanism comprising at...
US20130017109 FLUID COMPRESSOR OR PUMP APPARATUS  
The present invention relates to an apparatus which may be in the form of a pump or compressor and which can function to compress or accelerate a fluid such as air, gas, gaseous mixtures and/or...
US20110038744 SYSTEM FOR CONSTRUCTION OF PUMPS, COMPRESSORS AND ROTARY ENGINE COMPOSED OF TWO ROTORS WITH ONE, TWO OR MORE DISPLACER'S EACH, THAT MOVE THEMSELVES IN THE SAME DIRECTION AT SPEEDS THAT ARE VARYING AND ALTERNATIVLY OPPOSITE EACH OTHER  
The new system is characterized by the fact that the displaced volume and the relative position of the intake, exhaust ports (31,30), sparkplugs, etc. in relation to the displacers (1,1′ and 3,3),...
US20160230748 MECHANICAL LEVER-DRIVER FOR PRESSURE PUMP  
Examples of a lever-driven pumping system are described. The lever-driven pumping system can comprise a motor that is configured to provide an input energy to drive a crank shaft, a positive...
US20160195078 COMPRESSOR  
In the case of a compressor for delivering a medium from a pressure chamber (2) in a head (1) through an outlet (10) into a line (16), wherein a piston (3) is arranged in the pressure chamber (2)...
Matches 1 - 13 out of 13