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...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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Class 417/321 - MOTOR DRIVEN


Subclass of Class 417 - Pumps
Definition: Apparatus in which the pump is driven by a significantly
No. of patents: 52
Last issue date: 05/29/2012


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NumberTitleIssue Date
8186971Multistage compressor having an oil separator plate
A multistage compressor is provided, which can reduce an oil circulation ratio by reducing the amount of lubricating oil to be taken in by a high-stage compression mechanism to improve the system efficiency and prevent a shortage of lubricating oil. A low-stage comp...
05/29/2012
8092194Support of a pump drive wheel on the side of the starting component with an off-axis pump arrangement in an automatic transmission
A support for a pump drive wheel (4) on the clutch side of a pump with an off-axis pump arrangement in an automatic transmission, particularly in a dual clutch transmission, in which the pump drive wheel (4) is supported on the centering plate (7
01/10/2012
8047812Variable volume, shape memory actuated insulin dispensing pump
A portable pumping system provides insulin or other drugs to a user. A shape memory element is used to actuate the pump and an intelligent system controls the actuator in order to minimize stresses within the system and provide accurate and reliable dosage delivery....
11/01/2011
8047811Variable volume, shape memory actuated insulin dispensing pump
A portable pumping system provides insulin or other drugs to a user. A shape memory element is used to actuate the pump and an intelligent system controls the actuator in order to minimize stresses within the system and provide accurate and reliable dosage delivery....
11/01/2011
8029250Variable volume, shape memory actuated insulin dispensing pump
A portable pumping system provides insulin or other drugs to a user. A shape memory element is used to actuate the pump and an intelligent system controls the actuator in order to minimize stresses within the system and provide accurate and reliable dosage delivery....
10/04/2011
7438538Pump and method
A pump for moving a liquid including a rotor rotatable within a housing and slidable relative to the housing between a first axial rotor position during normal pump operation and a second axial rotor position during a pump inoperative condition. ...
10/21/2008
7418948Fuel pump having motor arrangement and pump arrangement
A stator core of a motor arrangement includes six cores, which are arranged one after another in a circumferential direction. A bobbin, which is made of dielectric resin, is fitted to each core. Each coil is formed such that a winding is wound around the bobbin thro...
09/02/2008
7384245Compressor with rotating handle
An air compressor assembly including a rotatable handle that provides protection and structure for transporting the apparatus. The apparatus further includes a plurality of air tanks each of which are configured to be removable and replaced when necessary. ...
06/10/2008
7339283Electronic load regulator
An electronic load regulation system for a locomotive may comprise a solid state replacement for existing electro-mechanical load regulators that are used to adjust the excitation current in the field windings of the locomotive's generator. A pressure sensor may inc...
03/04/2008
7314352Electric pump
An electric pump comprises a case in which a core being enwound by a coil is embedded, a permanent magnet formed in a cylindrical shape, having a central axis being identical to that of the core, and positioned so as to face an inner peripheral side of the core, an ...
01/01/2008
7284474Piston-pumping system having o-ring seal properties
The present invention relates to a piston pumping system for substantially gas-free measurement and/or pumping of predetermined quantities of liquids, preferably pharmaceutical liquids containing oxidation-prone ingredients. Preferably, the system is used as a micro...
10/23/2007
7261524Rotation support with improved thrust-bearing for rotors of pump electric motors
A rotation support has improved thrust-bearing for rotors of electric motors of synchronous pumps. The rotation sup: a stator of the electric motor, in which a hollow body is housed for supporting and containing a permanent magnet rotor, an impeller being kinematica...
08/28/2007
7244109Inside frame of compressor
Inside frame of a compressor including a frame body having a pass through hole for a crankshaft, legs formed by bending, and extending from, opposite ends of the frame body, respectively, and component fastening parts formed by extending from the legs in parallel to...
07/17/2007
7226278Shape memory alloy wire driven positive displacement micropump with pulsatile output
Apparatuses and methods for pumping fluid are disclosed. An exemplary apparatus is a miniature pump that includes a shape memory wire that obtains a plastic condition below a transformation temperature and has a memorized shape such that the shape memory wire produc...
06/05/2007
7207781Pressure 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
7198474Pump 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. ...
04/03/2007
7162943Cavitating explosively augmented water-jet mine cutter system
A method and system for neutralizing mines has a vehicle carrying fluid connected to a pump and cavitation pressure vessel that creates high pressure fluid. An actuator valve modifies the flow characteristics of the high pressure fluid to be pulsating at selectively...
01/16/2007
7052251Shape memory alloy wire driven positive displacement micropump with pulsatile output
Apparatuses and methods for pumping fluid are disclosed. An exemplary apparatus is a miniature pump that includes a shape memory wire that obtains a plastic condition below a transformation temperature and has a memorized shape such that the shape memory wire produc...
05/30/2006
7002169Method for generating photons by sonoluminescence
A method of generating photons by sonoluminescence, from a gas bubble trapped in a liquid reservoir (2) by a standing ultrasound wave. An ultrasound impulse emitted by high-frequency transducers (T1–T8) is superposed on the standing wave, the ...
02/21/2006
7001159Motor-driven pump for pool or spa
An improved motor-driven pump is provided for delivering a flow of water in a swimming pool or spa environment or the like. The improved pump includes a motor mounted within a motor housing having a seal plate mounted at one end thereof. The seal plate carries a sha...
02/21/2006
6977475Automotive electric power supply apparatus
Each of the phases of coil in an armature winding of a dynamoelectric machine is constructed so as to have six turns, an inverter has a plurality of element-diode sets, each element-diode set including a pair of switching elements connected in series and diodes conn...
12/20/2005
6916159Device and method employing shape memory alloy
A system for the metering and delivery of small discrete volumes of liquid is comprised of a small or minimal number of inexpensive components. One such component is a movable member, such as a miniature precision reciprocating displacement pump head, which is drive...
07/12/2005
6905315Valve plate in an air compressor
An air compressor includes a valve plate with cooling fins and a piston also having cooling fins. The valve plate includes an integral and angled valve plate outlet. The angling of the valve plate outlet reduces turbulence and improves compressed air flow. The pump ...
06/14/2005
6866488Compact molecular-drag vacuum pump
A molecular drag vacuum pump for pumping a gas from an inlet to an outlet includes a high-speed spinning disk disposed within a housing. Gas flows through passageways in the housing adjacent the disk, where it comes into contact with surfaces of the spinning disk. C...
03/15/2005
67581073D array of integrated cells for the sampling and detection of air bound chemical and biological species
An integrated mesopump-sensor suitable for disposition in two- and three-dimensional arrays having small dimensions is disclosed. One mesopump is formed of an electrostatically attractable flexible diaphragm disposed through cavities or pumping chambers formed betwe...
07/06/2004
6755621Stimuli-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 invention also provides devices employing the actuator of the present in...
06/29/2004
6685442Actuator device utilizing a conductive polymer gel
A valve actuator based on a conductive polymer gel is disclosed. A nonconductive housing is provided having two separate chambers separated by a porous frit. The conductive polymer is held in one chamber and an electrolyte solution, used as a source of ch...
02/03/2004
6648612Oil-free air compressor
An oil-free air compressor is characterized in an air inlet provided at a lateral open end of a crankcase of the air compressor. External air enters into the crankcase via the lateral air inlet and then enters into a cylinder above the crankcase via a che...
11/18/2003
6636010Precision dosage apparatus, system and method
A liquid dispensing system increases the precision, reliability, and safety of dispensing medications and other liquids. An electronic brake grounds a power terminal of a pump motor to absorb the kinetic energy of the motor and other mechanically coupled ...
10/21/2003
6531842Sine wave variable speed drive
The present technique utilizes already existing components within a variable speed drive to provide harmonic filtering characteristics. Particularly, the present technique integrates transformers and inductors to provide a filter within the variable speed...
03/11/2003
6409480Drive unit for hydraulic consumers for individual structural component parts of a machine
A drive unit for hydraulic consumers for individual structural component parts of a machine for producing shaped articles from molding materials, including a motor, a pump driven by the motor, and a carrying part configured to connect at least one of the ...
06/25/2002
6234765Ultrasonic phase pump
A novel ultrasonic pump system using a series of cylindrical ultrasonic transducers comprising an inner cylinder component that propagates ultrasound in an omni-directional pattern emanating from the outer surface of the inner transducer component. Furthe...
05/22/2001
6234766Pump system
A pump system suitable for pumping a hot medium, such as hot mixtures of liquid and solid substances (slurries), includes at least one displacement pump, such as a membrane pump, at least one bidirectional flow pipe, and a second pipe connected to the pum...
05/22/2001
6229240Split-tube motor
A motor has a rotor rotatable about an axis, a can surrounding the rotor and having an outer surface, and a plurality of outwardly projecting stator supports fixed on the outer surface, and respective stator windings mounted directly on the stator support...
05/08/2001
6196811Contraction machine
The invention concerns a contraction engine or pump comprising two mutually spaced rigid elements (4, 6) connected to each other by at least one piston/cylinder system (8, 10) receiving an operational medium and of which at least one element is displaceab...
03/06/2001
6068448Pressure hydraulic pump having first and second synchronously driven reciprocating pistons with a pressure control structure
A high pressure hydraulic pump apparatus constituting a two-stage pressurizing hydraulic booster combining a pair of plunger pumps. The first and second pumps are driven into a push-pull synchronous operation at the equal stroke with each other. The per-s...
05/30/2000
6028386Winding support for an electric motor
The present invention relates to an electric motor having a winding support (9) for the windings of the motor stator. The winding support is formed with a cylindrical coaxial space having a first end (16) which is at least partially closed and a second en...
02/22/2000
6015271Stowable walking beam pumping unit
An improved beam pumping unit for pumping fluids from a well having a foldable support structure to allow storage of the pumping unit in a low profile position. The beam pumping unit utilizes a walking beam pivoted on a central bearing, a drive means conn...
01/18/2000
5767606Synchronous electric motor, particularly for submersible pumps, and pump including the motor
A synchronous electric motor includes a stator lamination pack (2) provided with at least one electric winding (6, 6') and a rotor (3) wade of a material with high magnetic retentivity. The laminations (4) of the pack (2) are arranged parallel to the axis...
06/16/1998
5622482Pump using shape memory alloys
A pump utilizing a shape memory alloy member which is connected to electric terminals to be contracted by the supply of electric power for lowering a piston, the piston mounted to slidably move within a cylinder to thereby introduce a fluid into the cylin...
04/22/1997
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