Matches 1 - 50 out of 57 1 2 >
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...
7591639 Peristaltic pump  
A peristaltic pump includes a plurality of occlusion surfaces and a plurality of rotors. The plurality of occlusion surfaces include a first occlusion surface and a second occlusion surface. The...
7252485 Tube type pumping apparatus  
A tube type pumping apparatus having a resilient tube provided along a wall, a squeezing member positioned to move along the wall to squeeze the resilient tube against the wall, a squeezing member...
7168930 Peristaltic pump with air venting via the movement of a pump head or a backing plate during surgery  
A peristaltic pump 10 for use in ophthalmic surgery includes a housing 12 , a pump head 14 having plurality of rollers 16 , a backing plate 18 attached to the housing 12 , and a length of...
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...
6749410 Peristaltic pump having a variable effective radial length impeller for metering liquid chemicals  
A flexible apparatus for metering agricultural chemicals in a wet blade chemical distribution system consists of a modular peristaltic pump delivery apparatus ( 24 ) having an impeller ( 38 ) and a...
6736617 Peristaltic pump having automatically adjusting bushing  
A roller pump includes a stator, a rotor assembly including a rotor hub, a first roller slide and a second roller slide slidingly disposed within the rotor hub, with each of the roller slides...
6733255 Tube pump and ink jet recording apparatus using the tube pump  
A groove wall of a roller support groove opened to both end faces of a pump wheel comprises such a cam face wherein a roller rotates and rolls and is displaced from release operation position a to...
6641249 Recovery unit and ink jet recording apparatus  
A recoverying unit for maintenance and recovery of ink ejection performance of an ink ejecting device includes an elastic tube; a guide member for supporting the tube; a roller for pressing the...
6203295 Ink-jet recording device and pump used therein  
A pump 15 disposed in an ink-jet recording device has flexible tube 103 and guide member 106 whereon a prescribed part of the tube is mounted. Roller 105, of which there is at least one and which...
6203296 Miniature peristaltic pump  
A miniature peristaltic pump includes a rotor with three turning rollers, a support piece with a rounded portion arranged substantially concentric to the rotor and against which, when operating,...
6036459 Occlusion compensator for implantable peristaltic pump  
A peristaltic pump which may be used as an implantable medical device includes a rotor arm that is provided with a means for applying a regulated occluding force to the pump rollers. In a preferred...
6030190 Rotary displacement pump  
6019582 Peristaltic pump having an elastic adjustable rotor body  
A peristaltic pump includes a rotor (21) comprising a hub (211), an actuating part (214) mounted on the hub (211) for operative engagement with a flexible tube (7) of the pump, the actuating part...
5915932 Peristaltic pump having a roller support  
The rollers of a peristaltic pump are supported to prevent said rollers from compressing said tube more than the thickness of the walls of the tube. A tube holder rotates along with the roller...
5586872 Adjustable peristaltic pump  
The invention relates to a pump for biological fluids, for example for blood transference by pump. The pump according to the invention comprises a housing (1) in which there are placed at least one...
5586873 Tube pump with retractable rollers  
A tube pump is disclosed for conveying liquid or viscous media, with a pump head on which at least two pump rollers are arranged, which rollers can be brought into engagement in succession with a...
5549458 Peristaltic pump with quick release rotor head assembly  
A peristaltic pumping apparatus includes a pump rotor carrying a roller and a drive mechanism for rotating the rotor. The drive mechanism includes a carrier for holding the pump rotor. The...
5484239 Peristaltic pump and valve assembly for fluid processing systems  
A peristaltic pump includes a pump race for receiving a flexible tubing. A rotatable pump rotor carries at least one roller for contacting the tubing. A roller locating mechanism moves the pump...
5462417 Peristaltic pump with linear pump roller positioning mechanism  
A peristaltic pump has a pump rotor rotatable about an axis. The pump rotor carries a pump roller. An actuating rod extends along the axis of rotation. The rod has a distal end and a proximal end....
5445506 Self loading peristaltic pump tube cassette  
A self-loading peristaltic pumping apparatus includes a pump race for receiving a tubing loop, a pump rotor carrying a roller, and a drive mechanism for rotating the rotor within the pump race. The...
5429486 Single roller blood pump and oxygenator system  
A pump and pump/oxygenator system including a generally cylindrical pump housing, a tube arranged in a helical turn within the pump housing, and a rotor assembly rotatably mountable in the housing...
5372486 Peristaltic pump  
In a peristaltic pump having a pump tube with an elastically deformable wall, which tube is arranged in a pump housing and has externally accessible connection ends and is fitted into the pump...
5009573 Variable occlusion peristaltic apparatus and method  
A variable occlusion device includes a device housing having an occlusion track adapted to receive one or more loops of flexible tubing and having an arcuate reactive surface. The device also...
4720249 Peristaltic pump with enhanced tube loading features  
A peristaltic pump of the type in which a motor-driven hub rotates hub-carried rollers in stressing engagement against to compress a fluid-carrying tube seated in the pump, thereby to propel the...
4705464 Medicine pump  
Low power peristaltic medicine pump and filter for infusion of medicinal solutions. The pump includes a pump housing, a low durometer PVC pump tube; fit within an interior circular groove of the...
4573884 Peristaltic pump  
Peristaltic pump including a housing having a backing plate and an upstanding arcuate wall, a pump shaft mounted in the backing plate, and a rotatable pump head mounted on the shaft and comprising...
4568255 Peristaltic roller pump  
The Specification discloses an improved peristaltic Roller Pump for pumping fluids through a flexible tubing. First and second surge release radii are formed on a semicylindrical reaction wall to...
4548553 Peristaltic pump structure  
This invention relates to a peristaltic pump structure in which the improvement consists of provision for substantial adjustment in the size of the passage receiving a tube member and in providing...
4484864 Peristaltic pump  
The invention relates to the means provided in a peristaltic pump to regulate the radial distance between a crushing roller and the axle of rotation of the rotor. The rotor comprises at least one...
4441867 Peristaltic pump  
To permit two different fluent media to be pumped independently of each other in one and the same peristaltic pump, a single reversible motor 3 is connected to at least two rotors 7,8 respectively...
4424011 Painting applicator with remote supply  
A paint roller is provided with a removable sleeve receiving a cover having a pile on a stretchable flexible backing. A reversible, speed controllable pump on a hand cart provides paint to the...
4392794 Peristaltic pump  
A peristaltic pump having a housing which is formed with an annular recess which has an arcuate cross-sectional configuration, is provided with a conduit extending within the recess. The conduit...
4221543 Bloom pump system  
A blood pump system in which a roller pump is provided for pumping blood through a flexible tube. A low voltage D.C. motor is provided having an output shaft. An electrical control circuit is...
4217062 Paint feeding apparatus in combination with a fountain type paint roller  
An apparatus into which a can of paint is placable, the apparatus including a motor driven pump that draws the paint from the can and through a hose into the interior of a paint roller from where...
4214855 Peristaltic type pump  
A peristaltic type pump comprising a pump housing having a circular supporting track for a pump hose and a member mounted rotatably within the pump housing. The member has at two diametrically...
4205948 Peristaltic pump  
A peristaltic pump composed of a tubular cylindrical housing closed at opposite ends, a flexible tube wound in single and complete helix circumferentially around the inner wall of said housing with...
4178138 Cartridge for peristaltic pump  
A cartridge for a peristaltic pump comprises two parts having a frusto-conical bore extending through the two parts and a dovetail section groove encircling the bore at the joint between the two...
4174193 Peristatic pump with hose positioning means and pressure adjustment apparatus  
A liquid transfer pump in which a flexible hose may be arranged along the internal peripheral wall of a semicircular external enclosure and a drive shaft which is rotated by a motor or the like is...
4142845 Dialysis pump system having over-center cam tracks to lock rollers against tubing  
A source of power rotates a drive shaft upon which a pair of rollers are mounted. The rollers rotate in a recess and collapse an undialysed blood carrying tube against a wall thus causing a pumping...
4095923 Peristaltic pump with accommodating rollers  
The rollers of a peristaltic pump are provided with an unyielding surface, so as to insure uniform compression of the pumped tube. The rollers are mounted on their driving axles by means including...
4043712 Adjustable roller pump assembly  
The invention concerns a novel adjustable roller pump assembly of the type comprising a semi-circular plate against the inner surface of which a flexible tube is located and a pair of diametrically...
4012177 Blood pump tube element  
The Blood Pump Tube Element will prevent the destruction of blood cells during a prolonged pumping of blood. The device comprises a series of interconnected bag-like chambers within a tube. The...
3963023 Extracorporeal blood circulation system and pump  
In accordance with the invention there is provided an extracorporeal blood circulation system for circulating a patient's blood from and then back to the patient through tubing at least a portion...
3829251 SQUEEZE PUMPS FOR DELIVERING CONCRETE  
A squeeze or peristaltic pump for delivering concrete in which the concrete is transported along a cylindrical segment with an elastic squeeze member and squeeze rollers rolling thereon. The...
3787148 ROLLER PUMP  
A roller pump with a pair of opposed rollers which travel in a circular path concentric with a bearing surface of angular length less than 180° and squeeze a flexible tube against the bearing...
3762836 PERISTALTIC PUMP CONSTRUCTION  
A peristaltic pump assembly utilizing a housing with a circular inner wall and a rotor for progressively squeezing a tube lying against the wall, and the provision of a multiple capacity assembly...
3737257 ROLLER CONTROL FOR A PERISTALTIC PUMP CONSTRUCTION  
A peristaltic pump assembly utilizing a housing with a circular inner wall and a rotor having outer rollers for progressively squeezing a tube lying against the wall with a provision for radial...
3649138 PUMP APPARATUS FOR SLURRY AND OTHER VISCOUS LIQUIDS  
A peristaltic pump is operated by squeezing rollers pressing on an elastic tube supported inside a semicylindrical chamber. The collapsed tube is reopened by traveling side rollers which press the...
3463092 HOSE PUMP  
Matches 1 - 50 out of 57 1 2 >