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| Number | Title | Issue Date |
| 8152485 | DC brushless motor pump A DC brushless motor pump comprises a stator unit consisting of a plurality of silicon steel laminations and a coil, a rotor, an excitation circuit connected to the stator unit, a signal controller supplying power to the excitation circuit, and a magnetic induction ... | 04/10/2012 |
| 7980831 | Oscillating type compressor An oscillating type piston is connected to an output shaft of an electric motor through a crankshaft. The piston is provided with a lip ring that slidingly contacts a cylinder. The motor is rotated forward and reversely by using a control circuit. Thus, different re... | 07/19/2011 |
| 7425805 | Three-in-one control device for a ceiling fan A three-in-one control device for a ceiling fan includes a signal receiving module, which is able to receive segmented controlled signals, stepless controlled signals and wireless controlled signals respectively, for transmitting controlled signals to a micro comput... | 09/16/2008 |
| 7369635 | Rapid discrimination preambles and methods for using the same A system, method and program are disclosed for achieving rapid bit synchronization in low power medical device systems. Messages are transmitted via telemetry between a medical device and a communication device. The synchronization scheme uses a portion of a unique ... | 05/06/2008 |
| 7367358 | Medical fluid delivery system and method relating to the same A medical fluid delivery system for the use in the delivery of medical fluids. The medical fluid delivery system may include a pumping system, a disposable medical fluid line set and a valve operating system. The disposable tubing line set may include valves adapted... | 05/06/2008 |
| 7329103 | Cooling fan with built-in adjustable speed A cooling fan with built-in adjustable speed structure of the invention is provided herein. The cooling fan of the invention fan has built-in fan speed controlling parts installed inside, in addition, has a fan speed controlling interface, such as a knob or a keystr... | 02/12/2008 |
| 7318416 | Liquid fuel pump A liquid fuel system for an internal combustion engine includes a fuel supply line, a fuel pump connected to the supply line and having an outlet to a carburetor or a liquid fuel injector. A mechanical contact between the pump and a component of the internal combust... | 01/15/2008 |
| 7290990 | Short reverse rotation of compressor at startup In a method of operating a scroll or screw compressor at startup, the compressor is rotated in reverse for a brief period of time. The compressor is of a type that does not compress liquid when rotated in reverse. The purpose is to boil off the liquid refrigerant fr... | 11/06/2007 |
| 7284968 | Bidirectional air pump A bidirectional air pump to selectively inflate or deflate an inflatable object has a housing, a pump assembly and a motor. The housing has a controller cover, a pump cover, and a motor cover. The pump assembly is mounted inside the housing and has a centrifugal pum... | 10/23/2007 |
| 7275592 | Oil well pump apparatus An oil well pumping apparatus for pumping oil from a well to a wellhead provides a tool body that is sized and shaped to be lowered into the production tubing string of the oil well. A working fluid is provided that can be pumped into the production tubing. A prime ... | 10/02/2007 |
| 7267531 | Current monitoring system and method for metering peristaltic pump A pump system includes a peristaltic pump having a rotor, a motor and a controller. The motor is configured to drive the peristaltic pump so as to deliver a liquid product from a source to a receiving location. The controller monitors a drive current of the motor so... | 09/11/2007 |
| 7241119 | Tube pump and liquid injection apparatus A flexible tube has a first portion and a second portion located close to each other in the vicinity of an opening of an accommodating case. A pressing member moves from the first portion to the second portion along the tube while pressing a portion of the tube. An ... | 07/10/2007 |
| 7207781 | Pressure exchange apparatus with dynamic sealing mechanism A pressure exchange device is provided that utilizes a rotor assembly inside a housing to transfer the pressure of a fluid from one high pressure fluid to another low pressure fluid. The housing may comprise a pressurized fluid contained therein to provide a sealing... | 04/24/2007 |
| 7186100 | Variable capacity rotary compressor A variable capacity rotary compressor allowing oil to be smoothly supplied to compressing elements, regardless of a rotating direction of a rotating shaft. The variable capacity rotary compressor includes a rotating shaft which is rotated in a forward direction or a... | 03/06/2007 |
| 7168925 | Automatic optimizing pump and sensor system A reciprocating electromagnetic pump comprising a coil wound about a bipolar or tripolar core, a diaphragm structure mechanically coupled to at least one arm with a magnet attached to one end of the arm and a controller electronically connected to the coil. The cont... | 01/30/2007 |
| 7171277 | System and method for controlling the delivery of medication to a patient A care management system in which the management of the administration of care for patients is automated. Hospital information systems are monitored and the information from those systems is used in verifying the administrations of care to patients. The care managem... | 01/30/2007 |
| 7152265 | Inflatable product provided with electric air pump An inflatable product includes a pack having a first vent with a first valve, a second vent with a second valve, a third vent in communication with the ambient, a first chamber in communication with the first vent, a second chamber in communication with the second v... | 12/26/2006 |
| 7146967 | Fuel supply apparatus for engine and method thereof When a pressure of fuel supplied to an engine is higher than a target, the fuel is carried in a reverse direction by rotating a fuel pump in reverse, and in accordance therewith, the fuel pressure is made to fall with good responsiveness. ... | 12/12/2006 |
| 7144224 | Variable capacity rotary compressor A variable capacity rotary compressor is designed to prevent eccentric bushes from slipping during a compression operation, and thereby prevent noise from being generated and increase durability. The variable capacity rotary compressor includes a housing to define f... | 12/05/2006 |
| 7140846 | Vacuum pump having main and sub pumps A vacuum pump having a rotary shaft that is rotated by a drive source has a main pump and a sub pump. The main pump includes a pump chamber and a gas transferring body that is located in the pump chamber. The main pump is driven by the drive source through the rotar... | 11/28/2006 |
| 7114932 | Valve-free oxygen concentrator featuring reversible compressors A pivoting vane rotary compressor includes a housing having a generally pear-shaped chamber. A rotor mounted within the chamber defines a main and constricted chamber regions. Reversible intake and exhaust ports alternately introduce air into and exhaust air from th... | 10/03/2006 |
| 7115228 | One-piece tip protector and organizer A method, system and apparatus for performing peritoneal dialysis are provided. To this end, in part, a device for organizing a number of tubes extending from a unit of a medical fluid system is provided. The organizing device includes a body having a number of open... | 10/03/2006 |
| 7104764 | Variable capacity rotary compressor A variable capacity rotary compressor is designed to prevent eccentric bushes from slipping during a compression operation, thus preventing noise from being generated and increasing durability. The compressor includes a housing to define two compression chambers hav... | 09/12/2006 |
| 7107106 | System and method for collecting data and managing patient care A care management system in which the management of the administration of care for patients is automated. Hospital information systems are monitored and the information from those systems is used in verifying the administrations of care to patients. The care managem... | 09/12/2006 |
| 7096072 | System and method for recording medication delivery to a patient A care management system in which the management of the administration of care for patients is automated. Hospital information systems are monitored and the information from those systems is used in verifying the administrations of care to patients. The care managem... | 08/22/2006 |
| 7083397 | Scroll compressor with motor control for capacity modulation Several transmission embodiments selectively communicate rotary drive to an orbiting scroll to achieve capacity modulation. In these embodiments, when the motor is driven in a first direction, the orbiting scroll is driven at a rate which is equal to the motor speed... | 08/01/2006 |
| 7077632 | Blower having a blower tube incorporating a reduction device for reducing the clear flow cross section of said blower tube at idle operation A blower (1) has a housing (10) to which a blower pipe (2) may be removably connected. An internal combustion engine located within the housing (10) drives a blower wheel. The blower wheel, in turn, generates an air flow (11) withi... | 07/18/2006 |
| 7063518 | Bearing support and stator assembly for compressor A compressor assembly including a compression mechanism, a motor including rotor and a laminated stator and a shaft is provided. The shaft is operably coupled to the compression mechanism and the rotor. The shaft extends outwardly from the motor opposite the compres... | 06/20/2006 |
| 7056249 | Power transmission belt and method of manufacturing the power transmission belt A power transmission belt having a body defined by rubber and having an exposed outer surface, a fiber layer on at least a part of the exposed outer surface of the body, and a mixture including a resin adhesive ingredient, a rubber ingredient, and a lubricant that i... | 06/06/2006 |
| 7056105 | Unit utilizing current to control reciprocation for pushing fluids A unit utilizing current to control reciprocation for pushing fluids, including a chamber, a magnet, a coil connected with a circuit, a first inlet, a first outlet, a second inlet, a second outlet, a first valve and a second valve. The magnet is slidably disposed in... | 06/06/2006 |
| 7048513 | Gas pressure driven fluid pump having compression spring pivot mechanism and damping system A gas pressure driven fluid pump having a pump tank with a liquid inlet and a liquid outlet. A float assembly is carried within the interior of the pump tank and is movable between a low level position and a high level position. A compression spring is connected bet... | 05/23/2006 |
| 7040873 | Multi pumping chamber magnetostrictive pump A positive displacement pump includes a magnetostrictive actuator. A single actuator drives multiple pumping chambers. The pump may include two pumping chambers driven in phase by the linear expansion of the actuator at both its ends. The pump may include a third pu... | 05/09/2006 |
| 7033145 | Centrifugal pump for electrical household appliance or the like A centrifugal pump for a household appliance includes a synchronous alternating current electrical motor having a permanent magnet rotor and a bladed impeller coupled to an end of the rotor which extends into a cavity in the hub thereof. The rotor and the hub are pr... | 04/25/2006 |
| 6974437 | Microprocessor controlled ambulatory medical apparatus with hand held communication device An implantable infusion pump possesses operational functionality that is, at least in part, controlled by software operating in two processor ICs which are configured to perform some different and some duplicate functions. The pump exchanges messages with an externa... | 12/13/2005 |
| 6966760 | Reciprocating fluid pump employing reversing polarity motor A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A permanent magnet structure of the drive section creates a magnetic flu... | 11/22/2005 |
| 6958705 | Microprocessor controlled ambulatory medical apparatus with hand held communication device An implantable infusion pump possesses operational functionality that is, at least in part, controlled by software operating in two processor ICs which are configured to perform some different and some duplicate functions. The pump exchanges messages with an externa... | 10/25/2005 |
| 6902640 | Method for manufacturing a belt The objective of the present invention is to provide a method and apparatus for manufacturing an intermediate transfer belt and a fixing belt with high quality used in copying machines, printers and the like. An unvulcanized rubber is formed into a sheet and ... | 06/07/2005 |
| 6860726 | Dual drive for hydraulic pump and air boost compressor A dual drive system for a hydraulic pump and an air boost compressor is provided. Reversible power is transmitted to a shaft connected to clockwise and counterclockwise over-running clutches connected to different vehicle or equipment subsystems. Reversing the drive... | 03/01/2005 |
| 6860724 | Rotary compressor A rotary compressor having a plurality of compression chambers and adapted to vary a compression capacity according to a direction of rotation of roller pistons within the compression chambers. A rotating shaft provided with a plurality of eccentric parts drives the... | 03/01/2005 |
| 6761542 | Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor A multishaft electric motor has a plurality of juxtaposed rotors having respective permanent magnets disposed therearound, and a plurality of sets of armature elements disposed fully circumferentially around the rotors, respectively, the permanent magnets of adjacen... | 07/13/2004 |
