Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8172554 | Chemical liquid supplying apparatus In a chemical liquid supplying apparatus, discharge accuracy of chemical liquid is enhanced, and durability of a flexible tube is enhanced. By the flexible tube incorporated into a pump housing, an interior of the pump housing is partitioned into a pump chamber, whi... | 05/08/2012 |
| 8096784 | Bi-directional continuous peristaltic micro-pump A bi-directional continuous peristaltic micro-pump is described. The micro-pump comprises: a substrate, an actuating mechanism and a fluid channel. The actuating mechanism comprises: a first slanted membrane the thickness of which increases progressively from left t... | 01/17/2012 |
| 8021129 | Hydraulically actuated submersible pump A submersible pumping system comprises a piston that is axially moveable relative to a body between an extended position and a retracted position. A pump valve is coupled to the body and in fluid communication with a supply of operating fluid. The pump valve has a f... | 09/20/2011 |
| 7806668 | Flexible tube for supplying chemical liquid A flexible tube 20 has an inlet side fixed end 21, and an outlet side fixed end 22, and an elastic deformation portion 23 is provided between them. The elastic deformation portion 23 is provided with convex arc portions 42. ... | 10/05/2010 |
| 7367789 | Device for maintaining a static seal of a high pressure pump A pressure enclosure includes a first component having an opening, a second component coupled to the first component in a position over the opening, a third component positioned between the first and second components and covering the opening, and a load chamber def... | 05/06/2008 |
| 7354190 | Two-stage mixing system, apparatus, and method A two-stage mixing system, apparatus, and method produces a solution including a first substance and a second substance in a predetermined ratio by first mixing the first substance with a first liquid to produce a first solution and then mixing the first solution wi... | 04/08/2008 |
| 7350597 | Drilling system and method A drilling system for drilling a bore hole into an earth formation, the bore hole having an inside wall. A drill string reaches into the bore hole from a surface, leaving a drilling fluid return passage between the drill string and the bore hole inside wall. A botto... | 04/01/2008 |
| 7337790 | Dishwasher Disclosed is a dishwasher, in which upper and lower pipes are opened/closed using a water pressure to simplify a configuration of the dishwasher and to reduce product costs. The present invention includes a washing chamber, top and bottom nozzles injecting water in ... | 03/04/2008 |
| 7269961 | Thermodynamic cycle apparatus and method A compressor and heat pump combination has an active chamber and a passive chamber, each with its own hot plate and cold plate. The two chambers are joined along an edge by a membrane that largely transmits pressure, largely insulates against temperature transfer, a... | 09/18/2007 |
| 7244224 | Pump driving unit for driving a pump used for supporting or substitution of cardiac function In a small sized pump driving unit, a fluid pump is used for driving the pump for supporting of substituting of cardiac function. The fluid pump can generate pressure fluctuations that can generate pulsation of the pump for supporting or substituting of cardiac func... | 07/17/2007 |
| 7238165 | Fluid pump A pumping system 10 provides a physiological pulsatile flow and includes controller 121, a pump drive head 50 coupled to a motor 12 and a fluid housing 52 having at least one port 60. The port 60 includes a ball valve... | 07/03/2007 |
| 7220381 | Method for high pressure treatment of substances under controlled temperature conditions A product carrier for use in pressure processing substances is substantially fluidically closed, and is insulated, to prevent heat transfer from the product being treated to the cooler wall of the pressure vessel. The insulating material has compression heating prop... | 05/22/2007 |
| 7204679 | Flow control system A flow control system includes a substantially rigid vessel with a process fluid reservoir situated in the rigid vessel is in fluid communication with an outlet. A movable member and/or a working fluid is situated in the rigid vessel so as to selectively expel proce... | 04/17/2007 |
| 7185719 | Dynamic annular pressure control apparatus and method A drilling system for drilling a bore hole into a subterranean earth formation, wherein at least a portion of the mud flow from the primary mud pump is diverted to the mud discharge outlet, thereby creating a backpressure system to readily increase annular pressure.... | 03/06/2007 |
| 7169229 | Moving head, coating apparatus The invention pertains to a coating apparatus and method in which most of the relative movement between a dispensing head and the substrate to be coated is provided by the coating head. The moving head configuration reduces the system footprint and diminishes leveli... | 01/30/2007 |
| 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 |
| 7137792 | Piston pump for high viscous materials In a piston pump (1) having a differential piston (12) positioned in a cylindrical housing (11) and translationally drivable, a first pressure chamber (13) of the differential piston (12) is connectable to a second pressure chamber... | 11/21/2006 |
| 7134489 | System for controlling the discharge of drilling fluid A drilling system is provided for drilling a borehole into an earth formation, the drilling system comprising pump means for pumping drilling fluid into the borehole and discharge means for discharging drilling fluid from the borehole. The discharge means comprises ... | 11/14/2006 |
| 7128541 | Oscillating displacement pump An oscillating displacement pump, particularly a diaphragm pump (P) for liquid or gaseous delivery media, having a delivery space which on the one side is delimited by a pump head and on the other side by a delivery element, particularly formed by a diaphragm (6 | 10/31/2006 |
| 7111525 | Crank shaft The invention relates to a crank shaft having a guide groove allowing the movement of a crank pin so as to adjust the reciprocating distance of a piston according to the rotating direction. The crank shaft comprises a rotation shaft for inducing the rotating movemen... | 09/26/2006 |
| 7090474 | Diaphragm pump with overfill limiter A diaphragm pump which overcomes the problem of diaphragm failure due to overfill of the oil transfer chamber. An overfill preventive element in the form of a mechanical stop, a fully closed coil spring, or a valve system, or alternatives are provided. ... | 08/15/2006 |
| 7048522 | Fluid balanced pump A rodless pump is disclosed which is connected to a pressure source via a first conduit. In a common oilfield application the pump would be connected to the bottom of a tubing string within the reservoir fluid to be produced. A pressure source such as a hydraulic pu... | 05/23/2006 |
| 7037724 | Method for storing and transporting crude oil Disclosed is a method for transporting blended crude oils comprising the steps of; (a) admixing a first crude oil with a second, different crude oil to form a crude oil admixture; (b) determining a first value representing the content of unprecipitated asphaltenes i... | 05/02/2006 |
| 7029245 | Blood pumping unit, with a coplanar disk inlet valve and an annular outlet valve A unit for pumping fluid, particularly blood, is provided with an enclosure that has two half-shells and an elastic membrane fixed perimetrically to the enclosure in order to divide its space into two parts. One of the half-shells is provided with valves that are lo... | 04/18/2006 |
| 7021909 | Oscillator for pneumatic pump having single valve A pneumatic oscillator for providing pumping force to a pump. The oscillator has a single valve for controlling both the rate of oscillation of the oscillator and the flow of air. The valve includes a shuttle member and a detent mechanism. The detent mechanism contr... | 04/04/2006 |
| 7004731 | Diaphragm pump having a gas venting surface A scarred surface structure on the cover curvature of a diaphragm compressor is created by shot blasting. The scarred surface structure hinders the sealing effect between the cover curvature and the diaphragm and thereby counteracts the formation of gas cushions. | 02/28/2006 |
| 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 |
| 6962297 | Piezoelectric actuator module A piezoelectric actuator module has at least one piezoelectric element, one actuator foot and one actuator head, and is surrounded by an axially extending sleeve. To seal off the piezoelectric actuator module in the axial direction, the actuator foot is adjoined by ... | 11/08/2005 |
| 6960864 | Electroactive polymer actuator and diaphragm pump using the same An electroactive polymer actuator, which has the capability of improving response speed and operation reliability of a device utilizing an electroactive effect, comprises a laminate formed by alternately placing a plurality of ring members of an electroactive polyme... | 11/01/2005 |
| 6929087 | Hydraulic power steering system utilizing fuel as a working fluid A hydraulic power steering system for a diesel-fueled truck utilizes vehicle fuel as a working fluid. The steering system includes a power steering gear connected to the steerable wheels of the truck. A first pump flows fuel from the truck's fuel tank to both the st... | 08/16/2005 |
| 6921253 | Dual chamber micropump having checkvalves A micropump has two chambers separated by an actuator for causing fluid to flow in the chambers. Each chamber is equipped with a ball that acts as a valve for allowing flow in a desired direction. The balls are heavier than the fluid being pumped, and reside at an i... | 07/26/2005 |
| 6905314 | Pump having flexible liner and compounding apparatus having such a pump A pump has a flexible liner which is expanded and contracted by application of positive and negative fluid pressure for receiving and discharging fluent material. The liner is received in a rigid shell which defines the maximum volume received. In discharging fluent... | 06/14/2005 |
| 6767189 | Method for the control and regulation of the oil pressure-gas pressure relationship of diaphragm compressors A method for the control and regulation of the oil pressure-gas pressure relationship of diaphragm compressors. The function of a diaphragm compressor is mainly dependent on a given minimum relationship of gas pressure and oil pressure. When this is undershot... | 07/27/2004 |
| 6733252 | Fluid-handling systems and components comprising a bladder pump, a methods therefor A fluid-handling system capable, in various embodiments, of storing, mixing, and dispensing fluids, and also regulating the flow of fluids. The system includes a cartridge having a non-expandable housing, and a bladder within the housing. In some variations, a drive... | 05/11/2004 |
| 6663359 | Pump chamber having at least one spacer for inhibiting the pumping of a gas Pump chambers are disclosed that include at least one spacer element therein to prevent any gas in the pump chamber from being pumped from the pump chamber during pumping. In some embodiments, the pump chambers are included in removable pumping cartridges... | 12/16/2003 |
| 6644937 | Water powered pumping system with fluid link A water powered pumping system includes a leverage connected to a water source and moving upward and downward by using a water weight to produce a lever movement, a hydraulic pump pushed by the leverage to move reciprocally, and a water pump pushed by the... | 11/11/2003 |
| 6607361 | Pumping method and device The invention relates to a method for the metered, pulsed pumping of fluid media under high pressure, in which a pressure surge resulting from the stored, kinetic energy of an electromagnetically driven armature element of a reciprocating pump is transmit... | 08/19/2003 |
| 6604915 | Compact, high efficiency, smart material actuated hydraulic pump The invention disclosed is a compact, high efficiency, smart material element driven hydraulic pump comprising a diaphragm, a face plate coupled to and spanning across the diaphragm, and a smart material element. The diaphragm comprises on a first side a ... | 08/12/2003 |
| 6588209 | Method and apparatus for optimizing the oil flow inside of a diaphragm compressor Method and apparatus for optimizing the oil flow inside of a diaphragm compressor concerns the previously non-organized oil flow in the head of a diaphragm compressor leading to the previous formation of pockets between the diaphragm and the cover curve, ... | 07/08/2003 |
| 6582206 | Diaphragm chucking with elasticity adjustment A diaphragm pump with hydraulically powered diaphragm that is so chucked on a circulating rim between a pump lid and a pump housing in a predetermined radial chucking area and with a predetermined press-on force between the pump lid and the pump housing t... | 06/24/2003 |
