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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 415/211.2 - Downstream of runner


Subclass of Class 415 - Rotary kinetic fluid motors or pumps
Definition: Device wherein the vane* or other directing means
No. of patents: 380
Last issue date: 05/15/2012


1                    
NumberTitleIssue Date
8177503Turbine engine rotating cavity anti-vortex cascade
A gas turbine engine rotor drum includes spaced apart discs providing a cavity between the discs. The discs are configured to rotate in a rotational direction about an axis. An annular support is mounted on at least one of the discs and within the cavity. A cascade ...
05/15/2012
8172524Fan including specific stationary vane arrangement
A fan includes an impeller rotatable about a rotation axis and having a plurality of rotating vanes, and a plurality of stationary vanes connecting an outer casing to a supporting body which supports a motor rotating the impeller. At least in a portion of each stati...
05/08/2012
8157518Low camber microfan
A cooling fan comprises an impeller which includes a plurality of radially extending blades, each of which includes a blade hub, a blade tip and a blade midspan approximately midway between the hub and the tip. In addition, each blade comprises a blade suction surfa...
04/17/2012
8137064Fan apparatus
A fan apparatus includes an impeller, a motor rotating the impeller, a plurality of stator blades arranged opposite to the impeller in an axial direction. The stator blades each include a curved portion at which the stator blades each are curved with respect to the ...
03/20/2012
8092167Cooling device for use in metal hot formation
A guiding device (2) includes a base (21), a cover (23) and a sidewall (22) cooperatively defining an annular space therein and a passage therethrough. An air inlet (221) is defined in the sidewall communicating with the space for ...
01/10/2012
8083478Exhaust casing for a turbomachine
A turbomachine exhaust casing with connection roots between the structural arms of the casing and the annular endplates of the hub of the casing, each of said the roots having a profile that is optimized so as to reduce the level of stress in the connection portions...
12/27/2011
8083479Heat dissipating fan structure of dual motor
A heat dissipating fan structure of a dual motor includes: a base device, having a fan base, and the fan base having a fan motor; a fan, connected and rotated by the fan motor, and the fan having a plurality of vanes; a support frame device, installed at the fan bas...
12/27/2011
8061983Exhaust diffuser strut with stepped trailing edge
A diffuser for a turbo machine, such as an exhaust diffuser for an industrial gas turbine engine, the diffuser including a plurality of struts connecting the inner shroud of the diffuser to the outer shroud, where the struts have trailing edges with a step shape to ...
11/22/2011
7997862Cooling fan
A cooling fan includes a fan housing, a rotor and a stator. The fan housing forms an air inlet and an air outlet at two opposite sides thereof, respectively. A base is received in the fan housing and arranged at the air outlet of the fan housing. A guiding wall exte...
08/16/2011
7972111Fan assembly
A fan assembly for creating an air current includes a nozzle mounted on a base. The base comprises an outer casing, an impeller housing located within the outer casing, the impeller housing having an air inlet and an air outlet, an impeller located within the impell...
07/05/2011
7909572Shroud and rotary vane wheel of propeller fan and propeller fan
A shroud includes a body portion 5B, a mount 7 positioned at a center of the body portion 5B and supporting rotary vane wheel driver 6, and multiple support beams 10 radially extending from the mount 7 and joining the mount ...
03/22/2011
7824154Motor having heat-dissipating structure for circuit component and fan unit including the motor
An impeller includes an impeller cup and a plurality of blades. The impeller cup is hollow and generally cylindrical and has a lid. A housing is formed to enclose the impeller from the outside thereof. The housing has a wall defining a passage of an airflow generate...
11/02/2010
7780408Flow straightener for axial fans, particularly for conditioning systems
A flow straightener for axial fans particularly for conditioning systems, being constituted by a plurality of flat deflection walls, which form a substantially star-shaped profile which is adapted to be arranged coaxially and proximate to the impeller of the axial f...
08/24/2010
7775767Fan assembly
A fan assembly includes a plurality of rotor vanes, a motor rotating the rotor vanes with a center axis J1 as center, a plurality of stator vanes arranged in a passage of air flow generated by rotation of the rotor vanes, and a base portion including a plate-...
08/17/2010
7726939Heat-dissipating fan and its housing
A heat-dissipating fan with an upward air-guiding member is provided. The heat-dissipating fan includes a housing, an impeller having a hub and a plurality of blades disposed around the hub, a base disposed inside the housing for supporting the impeller thereon, and...
06/01/2010
7588419Vehicle cooling fan
A cooling fan for a vehicle. Many engine compartments of motor vehicles are small in size, and contain numerous components. Electric cooling fans are used to draw air through a radiator. Given the cramped conditions within the engine compartment, the exhaust of the ...
09/15/2009
7581925Diffuser for a centrifugal compressor
A diffuser for use in a centrifugal compressor that includes an impeller that discharges a high-velocity flow of fluid. The diffuser includes a platform having a blade portion and defining a substantially circular aperture. The impeller is disposed at least partiall...
09/01/2009
7478993Cooling fan using Coanda effect to reduce recirculation
A cooling fan for an engine in a vehicle. Ordinarily, a fan rotates within a shroud, which surrounds the fan. Leakage can occur between the tips of the fan blades and the shroud, wherein fan exhaust moves forward, and then passes through the fan again. The invention...
01/20/2009
7443670Systems for improved blower fans
According to some embodiments, systems for improved blower fans are provided. In some embodiments, systems may include a casing comprising an inlet to accept a fluid and an outlet to evacuate the fluid. The systems may further comprise an impeller disposed within th...
10/28/2008
7442006Integral diffuser and deswirler with continuous flow path deflected at assembly
An integrated assembly is provided for a centrifugal compressor, which integrates selected static portions of the centrifugal compressor into a monolithic structure to allow a small deflection of the inner flow path at assembly. The integrated assembly may include a...
10/28/2008
7442005Fan frame and heat dissipation fan incorporating the fan frame
A heat dissipation fan includes a fan frame, a stator mounted to the frame, and a rotor rotatably disposed around the stator. The fan frame includes a bracket, a central tube for positioning the stator, and a supporting member. The supporting member is made of a mat...
10/28/2008
7443671Axial duct cooling fan
A cooling fan comprising a housing that connects to a chassis that is operable to support an electronic component. An axial duct runs through the housing. A blade assembly is rotatably disposed within the duct and comprises a plurality of fan blades that extend radi...
10/28/2008
7438522Fan
A fan has an air conveying conduit (16) and a fan wheel (22) arranged therein, which wheel is rotatable about a central axis (25) and is formed with a central hub (20; 120) having an outer periphery (27) on which fan blades (26
10/21/2008
7438525Fan housing
A fan housing and a fan have stationary blades for guiding airflow. Each stationary blade has at least one airflow-guiding element extending therefrom along the circumference of the fan. The side wall of the airflow-guiding element changes the direction of the airfl...
10/21/2008
7438523Blade for a turbine engine and method for production of said blade
A blade for a turbine engine is described, having a base body, made from a titanium alloy, with a first and a second component piece, which are connected in the connection region by means of a bonding process. A groove with a groove wall runs through the connection ...
10/21/2008
7429166Methods and apparatus for gas turbine engines
A method for manufacturing a turbine engine component includes forming a component to include a first side and an opposite second side, positioning at least one capillary adjacent to an external surface of at least one of the first and second sides, and securing the...
09/30/2008
7429162Fan
A fan includes a frame, a motor base, an impeller, an airflow guiding component, and at least one outwardly expanded part. The motor base is disposed in the frame, and the impeller is disposed on the motor base. The outwardly expanded part, connected with the frame,...
09/30/2008
7416387Fan and fan frame thereof
A fan includes a fan frame and an impeller. The fan frame has a housing, a base and at least one supporting element. The inner wall of the housing has at least one guiding portion in the form of a curved cavity for increasing an airflow intake of the fan, and the ba...
08/26/2008
7417856Heat dissipation module and flow direction controlling structure thereof
A heat dissipation module is disclosed. A first heat dissipation apparatus and a second heat dissipation apparatus are symmetrically disposed. A flow direction controlling structure has a rotatable element disposed between the first and second heat dissipation appar...
08/26/2008
7416386Heat dissipation apparatus
A heat dissipation apparatus. A fan frame includes an air inlet, an air outlet, a passage, and a curved expansion portion. The air inlet is opposite the air outlet. The passage is between the air inlet and the air outlet, guiding airflow from the air inlet to the ai...
08/26/2008
7407364Turbocharger compressor having ported second-stage shroud, and associated method
A two-stage radial compressor having a ported second-stage shroud, forming a passive surge control system. Thus, some proportion of the fluid is allowed to flow between the second-stage of the compressor in the vicinity of the impeller blade tips, through a port in ...
08/05/2008
7396206Arrangement for axially and radially fixing the guide vanes of a vane ring of a gas turbine
A gas turbine has at least one guide blade ring, whose guide vanes are axially and radially fixed via detachable locking elements. A shell ring is configured as a freely machinable component having projections bearing a stop surface and mating surfaces. A holding pi...
07/08/2008
7354243Axial compressor blading
An axial compressor has at least one circumferential row of aerofoil members (30a, 30b, 30c) in which at least one of the two end walls (37) between adjacent blades is given a non-axisymmetric profile, defined by circ...
04/08/2008
7344358Fan assembly and fan frame thereof
A fan assembly and fan frame thereof. A housing includes an opening. A motor base is disposed in the housing. A plurality of ribs are disposed in the opening and between the housing and the motor base for supporting the motor base. Each rib has a varied cross sectio...
03/18/2008
7345884Heat-dissipating fan
A heat-dissipating fan includes a housing, an impeller, and a circuit board. The housing includes an air channel and a base. The base is mounted in one end of the air channel for supporting the circuit board. The impeller is rotatably mounted on the base and include...
03/18/2008
7341427Gas turbine nozzle segment and process therefor
A gas turbine engine nozzle segment and process for producing such a nozzle segment to exhibit improved durability and aerodynamic performance. The process produces a nozzle segment having at least one vane between and interconnecting a pair of platforms. The nozzle...
03/11/2008
7338521Low profile inlet for an implantable blood pump
A low profile pump inlet for an implantable blood pump is disclosed. The low profile pump inlet has an inflow diffuser for attachment to a conduit bearing an inflow of a fluid such as blood and an outflow orifice in fluid connection with the diffuser. The outflow or...
03/04/2008
7334988Airflow guiding structure varying in inclinations of air-guiding rings for a heat-dissipating fan
A heat-dissipating fan includes a casing having an air outlet, a base mounted in the air outlet, an impeller being mounted on the base and having a plurality of blades, a plurality of ribs each extending between the base and the casing along a radial direction of th...
02/26/2008
7334987Fan assembly for vacuum cleaner
A fan assembly for a vacuum cleaner, comprising a motor, an impeller rotatably coupled to the motor, and having a plurality of impeller wings, and a diffuser having a plurality of diffuser wings arranged along an outer circumference of the impeller. The plurality of...
02/26/2008
7331759Drying fan
A drying fan, including for water damage restoration, including for drying a room corner extending axially along an interface between a wall and a floor, has a shrouded housing having an axial flow path therethrough, an intake cowling receiving intake air, and an ex...
02/19/2008
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