Matches 1 - 50 out of 245 1 2 3 4 5 >
Match Document Document Title
7625189 Peristaltic pump  
A peristaltic pump, for propelling liquid through a flexible pump tube, includes an outer casing having a guiding channel wherein an operating portion of the pump tube extends along the guiding...
7578662 Peristaltic pump having pumping and occluding rollers and alternating pumping systems utilizing thereof  
A peristaltic roller pump includes a rotor carrying a pumping roller on one end and an occluding roller on the other end. Occluding roller has a number of protrusions designed to only occlude the...
7566209 Peristaltic pump with field generator  
A peristaltic pump assembly for moving a working fluid. The pump assembly includes an expandable fluid that changes in volume due to the presence of a magnetic and/or electric field. The pump...
7539016 Electromagnetically-actuated micropump for liquid metal alloy enclosed in cavity with flexible sidewalls  
The present invention discloses a method of confining a liquid metal alloy within a closed-loop system; distributing a first portion of the liquid metal alloy in a cavity within the closed-loop...
7524298 Device and method for treating hydrocephalus  
A shunt system for use in a human body that is formed from a length of tube that is configured as a pump. The length of tube may be configured as a hydroimpedance pomp, whose surfaces are pressed...
7478999 Peristaltic pump  
A peristaltic pump for pumping fluids through a flexible tube has a pump body, a support structure, a tube retaining mechanism and a linkage mechanism. Locating features make sure that the support...
7402029 Remedies to prevent cracking in a liquid system  
A liquid cooling system utilizing minimal size and volume enclosures, air pockets, compressible objects, and flexible objects is provided to protect against expansion of water-based solutions when...
7387500 Hydro elastic pump which pumps using non-rotary bladeless and valveless operations  
A pump formed from an asymmetric tube, which is pinched to form asymmetric forces, that pump fluid.
7352111 Electroactive polymer pumping system  
An electroactive polymer pump having an electroactive polymer mass forming a channel between an inlet and an outlet and an electrical distribution system in operational connection with the...
7217108 Peristaltic hose pump  
The hose pump comprises an eccentric drive with numerous eccentric discs ( 21 ) fastened to a shaft ( 20 ). Each eccentric disc ( 21 ) drives a crank drive ( 24 ) having a connecting rod ( 25 ). At...
7198474 Pump having shape memory actuator and fuel cell system including the same  
A pump having a linearly movable shaft, a rotatable hub operably connected to the shaft, and shape memory actuator operably connected to the rotatable hub, and a fuel cell system including the same.
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...
7144231 Peristaltic pump with ganged tubes  
A pump having a rotary portion which compels the movement of a fluid by peristaltic compression of resilient tubing containing the fluid includes a tube component having a plurality of adjacent...
7077634 Remedies to prevent cracking in a liquid system  
A liquid cooling system utilizing minimal size and volume enclosures, air pockets, compressible objects, and flexible objects is provided to protect against expansion of water-based solutions when...
7059840 Energy-saving, anti-free flow portable pump for use with standard PVC IV tubing  
An apparatus for pumping fluid through tubing comprising a stop platen is disclosed. The stop platen is operatively arranged to depress a wall of the tubing along a section of a longitudinal axis...
7045934 Method for jet formation and the apparatus for the same  
The method of and the apparatus for the formation of a high-speed fluid or slurry jets of a desired geometry are invented. According to the present invention a fluid or slurry jet is formed by the...
6948638 Liquid rationing device  
A liquid rationing device comprises a base and a cover. The base is provided with an actuating element whose axle goes through the base. The axle is connected with a gear disk, which is provided...
6942473 Pump and tube set thereof  
A pump includes a housing defining a tube receiving portion and a blade mounted for reciprocating movement between first and second positions. In its first position, the leading edge of the blade...
6811386 Peristaltic pump with preformed tube  
A peristaltic pump mechanism comprises a base plate ( 11 ) having a generally planar surface for supporting a pump tube ( 12 ) to extend at least partially around a circular path defined on said...
6787972 Piezoelectric rotary pump  
A high power and high torque density piezoelectric axial pump is developed using torsional actuator tube (stator) directly coupled to the rotor via two one way clutches. A cylindrical torsional...
6776079 Asymetrically contoured elastomeric disk  
An elastomeric disk for use in an elastomeric ejection system in which a thickened curvature protrudes from both sides of a central plane of the disk. Integral to each curvature is an annulet which...
6769885 Peristaltic pump, use of said pump, guide path for use in a peristaltic pump and a method of lubricating a peristaltic pump  
A peristaltic pump ( 6 ) for pumping viscous media, comprises a housing ( 6 A, 6 B) having a wall ( 12 ) against which a hose ( 25 ) is placed, a shaft ( 7 ) that is centrally positioned in the...
6755621 Stimuli-responsive hybrid materials containing molecular actuators and their applications  
The present invention provides a hybrid material and a method for forming a hybrid material comprising actuator made from a stimuli responsive polymer mounted in a porous framework. The present...
6742992 Infusion device with disposable elements  
An infusion device with a disposable administration set which is inexpensive to manufacture. In the preferred embodiment of the present invention the disposable administration set has a plurality...
6720710 Micropump  
A microsized pump is set forth. It comprises a substrate which at least partially defines one or more walls of a longitudinally extending tunnel. The tunnel has a vibratable wall portion. A sonic...
6655934 Inverted peristaltic pumps and related methods  
Inverted peristaltic pumps and related apparatus/methods wherein one or more compressible pump tubes are formed or mounted on a core member and one or more tube compressing members move about the...
6655923 Micromechanic pump  
A micromechanical pump has a membrane ( 2 ) positioned above a substrate ( 1 ). The substrate is provided with a cavity ( 8 ) which is formed in an endlessly continuous shape (e.g., circular) to...
6623630 Method and apparatus for monitoring a fluid system  
An apparatus for monitoring a fluid system particularly suited for use with high pressure liquid chromatography systems. The apparatus monitors seal leakage as well as the general wellness of the...
6609900 Dynamic brake with backlash control for peristaltic pump  
The present invention involves a dynamic brake for use in a peristaltic (i.e., roller) pump. The dynamic brake avoids backlash, due to counter rotation. In addition, it does not preclude the option...
6599106 Tube pump and ink jet recording apparatus incorporating the same  
In a tube pump, a rotor is fixed to a drive shaft so as to rotate therewith. A tube pressing member is swingable in an axial direction of the drive shaft. A swinging member swings the tube pressing...
6494693 Peristatic pump  
An improved peristaltic pump using a pumptube comprising a single tube of a relatively rigid and hard fluoroplastic material, preferably relatively rigid and hard polytetrafluoroethylene (PTFE),...
6453927 Method and apparatus for precisely dispensing liquids  
A method and apparatus are provided for continuously dispensing precise quantities of a liquid from a dispenser holding tank into a receiving tank. A first elastic tube permits fluid flow between...
6435840 Electrostrictive micro-pump  
An electrostrictive micro-pump is provided for controlling a fluid flow through a cannula or other narrow liquid conduit. The micro-pump includes a pump body having a passageway for conducting a...
6413059 Linearized peristaltic pump  
A linearized peristaltic pump has a substantially circular elastomeric tube ( 30 ) clamped within a pump housing ( 1 ) and a plurality of tube-engaging rollers ( 40 ) adapted to compress the tube (...
6382937 Tube pump  
Disclosed is a tube pump. The tube pump comprises a driving shaft having a plurality of eccentric cams which are mounted to the driving shaft in a manner such that positions of top dead centers of...
6371732 Curvilinear peristaltic pump  
A curvilinear peristaltic pump for facilitating the pumping of a liquid through a length of resilient tubing. The pump comprises a housing having a platen member attached thereto and a rotatable...
6264890 Method and apparatus for collecting and processing blood  
A container is provided that is disposable, for first collecting blood delivered from a patient, preferably by a vacuum draw of blood into a container, and then the blood in the container is...
6253968 Method and device for dosing powdered materials  
A method is provided for dosing powdered material from a supply container having a vertically suspending discharge tube of an elastically deformable material, by squeezing said discharge tube at...
6234773 Linear peristaltic pump with reshaping fingers interdigitated with pumping elements  
A linear peristaltic pump of the type for removable engagement of a portion of a flexible tubing and having a plurality of sequentially actuated pumping elements which act along the engaged portion...
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...
6193107 Bladder water gun  
The present invention is a toy water gun for containment and ejection of water which includes a housing, an ejection nozzle, a bladder and an outlet connection which runs from the bladder to the...
RE37074 Pumping device having inlet and outlet valves adjacent opposed sides of a tube deforming device  
A pumping device controlling an amount of liquid passing through a length of tubing accommodated in the pumping device. The pumping device includes inlet and outlet valves located adjacent opposed...
6164921 Curvilinear peristaltic pump having insertable tubing assembly  
A curvilinear peristaltic pump for facilitating the pumping of a liquid through a length of resilient tubing. The pump comprises a housing having a platen member attached thereto and a rotatable...
6139531 Tubing restoring bumpers for improved accuracy peristaltic pump  
An apparatus in a medical delivery device for biasing tubing having a select original cross-section which is subject to compression and relaxation to substantially its original cross-section upon...
6123524 Volumetric infusion pump with automatic tube loader  
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...
6106249 Peristaltic pump  
A peristaltic pump for propelling liquid through a flexible tube segment. The pump has a cam shaft which carries a plurality of cams each having a driving surface. The driving surfaces of adjacent...
6102678 Peristaltic pump  
The invention is a peristaltic pump having a particularly simple construction and a low axial bulk. The pump (1) includes a rotor (20) having rollers (21,22,23) which roll against a tube (14)...
6074179 Magnetostrictive peristaltic pump  
A magnetotrictive peristaltic pump transfers a fluid from a supply chamber o a receiving chamber. The pump has a housing and a core section mounted within the housing. The core section is...
6056522 Reusable cassette with a moveable door  
A cassette for use with a pump control module includes a top surface configured for receipt of a tube and an access door. A method for using a pump control module includes mounting a cassette...
6007309 Micromachined peristaltic pumps  
Micromachined pumps including a channel formed between a first membrane and a substrate or between first and second flexible membranes. A series of electrically conductive strips is applied to a...
Matches 1 - 50 out of 245 1 2 3 4 5 >