| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 417379000 | With motive fluid generator | 30 |
| 20090297371 | FLUID DELIVERY DEVICES - A fluid delivery device is provided. The device comprises an internal container, an external container and a first delivery pipe. The internal container has a first space for containing a fluid to be delivered. The external container substantially surrounds the internal container to form a substantially sealed second space between the internal container and the external container, wherein the second space is for an assistant liquid. The assistant liquid is heated to raise the pressure in the second space, and then, the internal container is pressed, thereby driving the fluid out along the first delivery pipe. | 12-03-2009 |
| 20090324431 | APPARATUS FOR PUMPING A FLUID - An electrochemically actuated pump and an electrochemical actuator for use with a pump. The pump includes one of various stroke volume multiplier configuration with the pressure of a pumping fluid assisting actuation of a driving fluid bellows. The electrochemical actuator has at least one electrode fluidically coupled to the driving fluid chamber of the first pump housing and at least one electrode fluidically coupled to the driving fluid chamber of the second pump housing. Accordingly, the electrochemical actuator selectively pressurized hydrogen gas within a driving fluid chamber. The actuator may include a membrane electrode assembly including an ion exchange membrane with first and second catalyzed electrodes in contact with opposing sides of the membrane, first and second current collectors in contact with the respective first and second catalyzed electrodes, a first hydrogen gas chamber in fluid communication with the first electrode, and a second hydrogen gas chamber in fluid communication with the second electrode. A controller may reverse the polarity of a voltage source electrically coupled to the current collectors, wherein a first polarity simultaneously decreases the hydrogen gas pressure in the first hydrogen gas chamber and increases the hydrogen gas pressure in the second hydrogen gas chamber, wherein a second polarity simultaneously increases the hydrogen gas pressure in the first hydrogen gas chamber and decreases the hydrogen gas pressure in the second hydrogen gas chamber. | 12-31-2009 |
| 20120269658 | Diaphragm pump with high suction capacity - A hydraulically-controlled diaphragm pump having a pump head in which a first deformable diaphragm defines a pump chamber, a pump body that co-operates with the first diaphragm to define a hydraulic working chamber, and a piston mounted to move back and forth in the pump body so as to form a controlled movable wall of the working chamber. The movable wall also includes at least one second diaphragm secured to the piston head and to the body of the pump, and providing sealing for the working chamber. | 10-25-2012 |
| 20130224049 | LIGHTWEIGHT FAN DRIVING TURBINE - A gas turbine engine includes a shaft defining an axis of rotation and a fan driving turbine configured to drive the shaft. The fan driving turbine comprises a plurality of stages that are spaced apart from each other along the axis. Each stage includes a turbine disk comprised of a disk material and a plurality of turbine blades comprised of a blade material. The disk material and the blade material for one of the plurality of stages is selected based on a location of the one stage relative to the other stages of the plurality of stages. | 08-29-2013 |
| 20130243621 | Miniature Pumps - Miniature pumps for dispensing a volume a flowable substance are described. One pump embodiment includes an environmentally-responsive plug layer that can contract in size, e.g., when exposed to an environmental change such as temperature, to allow an activation solution to flow to a layer of expandable material, such as a superporous hydrogel. Expansion of the expandable material urges a diaphragm into a chamber that holds the dispensable fluid, gas, or gel, forcing the fluid, gas or gel out of the pump. | 09-19-2013 |
| 20130343928 | LIFT SYSTEM - A hydraulic lift system comprises a plurality of hydraulic cylinders with pistons therein, having piston rods that are mechanically interconnected so that the pistons and piston rods move upwards and downwards in unison. A hydraulic fluid communication sub-system is operable to deliver fluid from a source of pressurized hydraulic fluid to at least a first cylinder to drive the pistons through an upstroke, from the source of pressurized hydraulic fluid to a second cylinder to drive the pistons through a downstroke, and from the first cylinder to the second cylinder. A hydraulic fluid flow control system selectively directs fluid from the source of pressurized hydraulic fluid either to the first cylinder to drive the pistons upwardly or to the second cylinder to drive the pistons downwardly. During the downstroke, hydraulic fluid flow control system directs hydraulic fluid from the first cylinder to the second cylinder help drive the pistons downwardly. | 12-26-2013 |
| 20150292510 | REACTION PUMP AND SYSTEM FOR HYDROCARBON CONVERSION - Reaction pumps and systems for hydrocarbon conversion are disclosed. | 10-15-2015 |
| 20160153454 | ANTI-FREEZE DISTRIBUTION SYSTEM | 06-02-2016 |
| 20160177955 | COMPRESSION SYSTEM | 06-23-2016 |
| 20190145392 | CRYOGENIC PUMP | 05-16-2019 |
| 417380000 | Internal-combustion engine | 3 |
| 20150037178 | TURBO COMPOUND SYSTEM FOR VEHICLE - The present disclosure relates to a turbo compound system for a vehicle which recovers emission gas energy of an engine, and particularly, to a turbo compound system for a vehicle which may recover emission gas energy and provide the energy to various auxiliary devices for a vehicle in various forms. In addition, the present disclosure relates to a turbo compound system for a vehicle in which recovered emission gas energy is transferred directly to auxiliary devices for a vehicle without passing through a crank shaft for a vehicle, thereby preventing deterioration of fuel efficiency or output reduction, and simplifying facility and control. | 02-05-2015 |
| 20160131145 | ADJUSTABLE-TRIM CENTRIFUGAL COMPRESSOR WITH PORTED SHROUD, AND TURBOCHARGER HAVING SAME - A ported-shroud centrifugal compressor for a turbocharger includes an inlet-adjustment mechanism in an air inlet for the compressor, operable to move between an open position and a closed position in the air inlet. The inlet-adjustment mechanism includes an axially elongated ring. In the open position, the radially outer surface of the ring is spaced from a tapering inner surface of the air inlet so that air can flow in an annular passage between the tapering surface and the ring, and the ring opens the ported shroud. In the closed position, the ring abuts the tapering surface to close off the annular passage and to close off the ported shroud. Movement of the inlet-adjustment mechanism from the open position to the closed position is effective to shift the compressor's surge line to lower flow rates. | 05-12-2016 |
| 20170234205 | WATER PUMP UNIT | 08-17-2017 |
| 417381000 | Combustion products generator for motor | 1 |
| 20080310975 | METHODS AND APPARATUS FOR A COGENERATION ABATEMENT SYSTEM FOR ELECTRONIC DEVICE MANUFACTURING - The present invention provides systems, methods, and apparatus for abating effluent from an electronic device manufacturing system using cogeneration. The invention includes a pump adapted to couple to a processing chamber and adapted to draw effluent from the processing chamber; a reaction chamber coupled to the pump and adapted to receive the effluent from the pump; and a turbine coupled to the reaction chamber and adapted to be driven by combustion gases from the reaction chamber. The turbine is adapted to generate power which is applied to operate the pump. Numerous additional aspects are disclosed. | 12-18-2008 |
| 417382000 | Plural pumping members; one additionally supplying motive fluid for second | 2 |
| 20120141306 | FLUID PUMP WITH DISPOSABLE COMPONENT - A pump having a disposable fluid contacting portion which defines a fluid inlet and outlet and a fluid path there between is presented. The pump includes a drive portion configured to engage the disposable portion to cause fluid to be moved from the fluid inlet to the fluid outlet. The disposable portion is configured to be selectively coupled to the drive portion. The disposable portion includes a driven membrane which forms a portion of the fluid path, and the drive portion includes a drive membrane. The two membranes are vacuum coupled to each other, whereby movement of the drive membrane causes the driven membrane to move, causing fluid to be pumped through the disposable portion. The pump has particular utility in the medical field for moving fluid from a source to a patient. The pump may include features such as an air-trap, bubble detection, fluid flow controls, and pressure detection. | 06-07-2012 |
| 20150118078 | DIAPHRAGM CARTRIDGE AND PUMP HAVING A DIAPHRAGM CARTRIDGE - A diaphragm pump includes a diaphragm cartridge assembly. The diaphragm cartridge is a self-contained unit having a diaphragm defining a pumped fluid side and a hydraulic fluid side and a seat receiving the hydraulic fluid side of the diaphragm and having a center opening. A biasing rod mounts to the diaphragm on the hydraulic fluid side and extending through the opening of the seat. A valve guide at an extended end of the biasing rod and a valve spool slidably mounts on the valve guide. A biasing element engages the seat and the valve guide. The pump may also include valve cartridges including a combined inlet check valve and discharge check valve. | 04-30-2015 |
| 417383000 | Pulsator or fluid link | 4 |
| 20120230848 | Thermoacoustic Driven Compressor - The present disclosure details a thermoacoustic driven compressor having a pressurized housing, which contains within a thermoacoustic engine and a working gas, coupled to a positive displacement reciprocating compressor. The thermoacoustic driven compressor generates scalable compressed air from a given heat source. | 09-13-2012 |
| 417385000 | With means to supply or vent pulsator fluid | 3 |
| 417386000 | Working member position responsive | 1 |
| 20130017101 | PUMP DEVICE - The present invention relates to a pump device having a diaphragm pump head with two fluid delivery chambers, each fluid delivery chamber having a corresponding control chamber separated from the fluid delivery chamber by an associated diaphragm, a piston chamber in fluid communication with both fluid delivery chambers, and a double-acting piston assembly provided in the piston chamber and defining a single piston head that simultaneous acts upon both of the corresponding control chambers to drive the associated diaphragms. | 01-17-2013 |
| 417388000 | Pressure responsive | 2 |
| 20130101444 | CHEMICAL LIQUID SUPPLYING APPARATUS - In a chemical liquid supplying apparatus | 04-25-2013 |
| 20150125318 | PNEUMATIC PUMP SYSTEM AND RELATED METHODS - A pump comprising a housing having a cavity and a diaphragm positioned therein configured to fluidly separate the cavity into a driving chamber and a fluid chamber. The pump further includes a port that connects the driving chamber to a vacuum source. The port configured to have an open state and a closed state such that a fluid enters the fluid chamber when the port is in the open state, and wherein the fluid exits the fluid chamber when the port is in the closed state. | 05-07-2015 |
| 417390000 | Fluid pump | 10 |
| 20080260550 | Deep Well Irrigation Pump - Provided herein are exemplary embodiments of an efficient pump apparatus. In one embodiment the pump apparatus comprises a piston assembly loosely disposed within a cylinder. The piston assembly includes a driving cable connecting a top leaky piston and a bottom leaky piston having a check valve connected thereto. The cylinder includes an outlet pipe at an upper portion thereof and a check valve located at a lower end of the cylinder. The pistons move in the cylinder at a velocity relative to the conduit such that as the pistons move along the cylinder they create a substantial tortuous leak path forming a hydrodynamic seal between the pistons and the cylinder. | 10-23-2008 |
| 20080279700 | HYDRAULIC DRIVE SYSTEM WITH NEUTRAL DRIFT COMPENSATION - A hydraulic drive system for storing and releasing hydraulic fluid includes a high pressure storage device, a low pressure storage device, and a pump-motor operating at a range of pump-motor speeds for converting between hydraulic energy and mechanical energy. The pump-motor is disposed between the high pressure device and the low pressure device. In normal operation, the hydraulic drive system enters a motoring mode where hydraulic energy is released from the high pressure storage device and converted to mechanical energy using the pump-motor. It also enters a pumping mode where mechanical energy is converted into hydraulic energy. A neutral state exists where hydraulic energy is neither stored nor released from the high pressure storage device. When the pump-motor includes a swash-plate or similar structure, compensating for drift during normal operation helps to promote efficient operation of the hydraulic drive system. | 11-13-2008 |
| 20090191071 | Compressors - Compressors are provided which include a motor having a drive shaft; a compression chamber, having an inlet and an outlet; a diaphragm, disposed within the compression chamber such that when the diaphragm is deflected back and forth between a first position and a second position air is drawn in through the inlet and forced out through the outlet; a crankshaft, operatively connected to the drive shaft; a shuttle, configured to be displaced transversely by rotational movement of the crankshaft, and positioned to deflect the diaphragm by its transverse movement; and a guide configured to inhibit non-transverse motion of the shuttle. In some implementations, the compressor occupies a total volume of less than about 15 cubic inches. | 07-30-2009 |
| 20090285700 | LOW RATE HYDRAULIC ARTIFICIAL LIFT - In an embodiment of the invention, a down-hole pump comprises a hydraulic chamber having a passage for fluid communications with a hydraulic conduit, a produced fluid chamber having an inlet and an outlet, a first check valve associated with the inlet, a second check valve associated with the outlet, a stored energy unit, a piston, having one side exposed to the stored energy unit and a second side exposed to the hydraulic chamber and a displacement member projecting from said piston into the produced fluid chamber. Additional embodiments and aspects, including embodiments for power units as well as system and method aspects, are also disclosed. | 11-19-2009 |
| 20100143166 | DOWNHOLE PUMPING SYSTEM - A downhole motor and pump assembly for use in a tube has a support that suspends the assembly downhole, a housing capable of forming a seal against an inside surface of the tube to divide the tube into a lower region below the seal and an upper region above the seal, an electric motor, and a power supply for the electric motor. A hydraulic pump driven by the electric motor has a high pressure output. A piston is operated by a directional valve such that the high pressure output from the hydraulic pump is directed by the directional valve alternately above and below the piston so as to reciprocate the piston. A fluid pump driven by the piston pumps well fluid from the lower region to the upper region. | 06-10-2010 |
| 20110044830 | Pump assembly - A pump assembly ( | 02-24-2011 |
| 20130142678 | MINI-SURGE CYCLING METHOD FOR PUMPING LIQUID FROM A BOREHOLE TO REMOVE MATERIAL IN CONTACT WITH THE LIQUID - An apparatus for removing a liquid and a material that is not a liquid in contact with the liquid from a borehole penetrating the earth includes a mechanical pump configured to pump the liquid and material from the borehole and a motor configured to be coupled to the mechanical pump. The apparatus further includes a variable speed motor drive configured to be coupled to the motor. The variable speed motor drive is configured to energize the motor in continuous cycles to operate the pump, each cycle comprising operating the pump at a first speed for a first time interval to remove the liquid and not the material and operating the pump at a second speed greater than the first speed for a second time interval to remove the liquid and the material. | 06-06-2013 |
| 20130177457 | PUMPING CASSETTE - A pumping cassette including a housing having at least two inlet fluid lines and at least two outlet fluid lines. At least one balancing pod within the housing and in fluid connection with the fluid paths. The balancing pod balances the flow of a first fluid and the flow of a second fluid such that the volume of the first fluid equals the volume of the second fluid. The balancing pod also includes a membrane that forms two balancing chambers. Also included in the cassette is at least two reciprocating pressure displacement membrane pumps. The pumps are within the housing and they pump the fluid from a fluid inlet to a fluid outlet line and pump the second fluid from a fluid inlet to a fluid outlet. | 07-11-2013 |
| 20150345488 | HYDRAULICALLY CONTROLLED DIAPHRAGM PUMP COMPRISING A DEDICATED DEGASSING PATH - The invention relates to a pump comprising a dosage head ( | 12-03-2015 |
| 20160040660 | Water Extraction System - A water pumping system that is operable to use air from an air pump to provide positive pressure to a submersible pump submersed in a body of water so as to provide extraction of water for use. The water pumping system includes a surface mounted air pump located proximate a body of water that is operable to produce an airflow exiting therefrom and is directed to the submersible pump. The submersible pump includes a first chamber and a second chamber that are parallel in manner and substantially hollow. The first chamber and second chamber are operably coupled with a union and have an opening opposite thereto. An air nozzle receives air from the air pump and forces air into openings of the first chamber and second chamber so as to move a piston therein to evacuate water from the first chamber and second chamber during downward movement of the piston. | 02-11-2016 |
