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Patent No. 5205055

Pneumatic Shoe Lacing Apparatus

This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.

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Class 416/179 - ROTOR HAVING FLOW CONFINING OR DEFLECTING WEB, SHROUD OR CONTINUOUS PASSAGE


Subclass of Class 416 - Fluid reaction surfaces (i.e., impellers)
Definition: Apparatus wherein a rotary impeller* comprises
No. of patents: 56
Last issue date: 10/02/2012


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NumberTitleIssue Date
8277186Turbine blade assembly and steam turbine
A turbine blade 10a which is a stop blade is provided with a cutout portion 50 which is formed in one circumferential side surface 22a of a shank portion 22 at the center in the axial direction of a turbine rotor 100,...
10/02/2012
7455504High efficiency fluid movers
Fluid movers produce at least predominantly laminar flow internally in an axial or a radial direction in a rotor. A fluid mover rotor comprises a matrix of passages of appropriate size to produce at least predominantly laminar flow spaced circumferentially around th...
11/25/2008
7350485Engine cooling fan shroud
A fan (16) draws air through a core (14) of a radiator (10) to which coolant from coolant passages in an engine (12) rejects heat. A shroud (28) having first and second parts (30, 32) in axial succession channels air that ha...
04/01/2008
7316988Gas turbine single plant modifying method, a catalyst re-using method and a re-produced catalyst
A high temperature denitration catalyst of a gas turbine single plant contains TiO2, at least one of WO3 and MoO3 and V2O5 of 0.5 wt % or less, preferably 0.2 wt % or less, or none of V2O5,...
01/08/2008
7287961Retaining arrangement
A retaining arrangement for joining together two components such as a rim coverplate 10 and a rotor disc 12 in a gas turbine engine. The arrangement comprising a channel 54 formed by respective formations 26, 52 on the disc 12 and ...
10/30/2007
7198466Blade cooling
In order to couple coolant air flow presented through a coolant gallery 4, 24 through an opening 7, 27 into a passage 8, 28 a flow deflector 6, 26 is provided. The flow deflector 6, 26 progressively deflects the coolant air flow
04/03/2007
7188699Axle assembly with cooling pump
An axle assembly with a cooling pump. The cooling pump includes a disk-shaped wheel with a plurality of radially-spaced ducts formed therein. The wheel is positioned in proximity to the axle assembly and rotated, allowing the ducts to draw air therethrough and direc...
03/13/2007
7186088Low pressure fan with high-flow
A fan 10 has a hub 12, a plurality of fan blades 14 attached to the hub at one end and extending outwardly from the hub, and a ring 18 concentric with the hub and coupled to tips 16 of the blades. Wherein a dimensionless radius (r/...
03/06/2007
7121433Portable dispensing pump
A lightweight portable battery powered pump for moving fluids from a reservoir to a variety of end applications is disclosed. A simple and easy to manufacture centrifugal pump impeller and housing are shown. ...
10/17/2006
7037077Radiator fan and engine cooling device using the same
Whereas for each propeller blade of a radiator fan, an attachment angle θ1 at a propeller blade base portion, projected onto a plane parallel to an attachment surface of the propeller blades with respect to the boss is set in a range of 35 to 45°, an attach...
05/02/2006
7008189Centrifugal fan
A centrifugal fan and a rotor for a centrifugal fan comprising axial blades, straight blades, and a hub having a radius that increases as a function of distance from the fan inlet. ...
03/07/2006
6957947Hydroelectric turbine
A hydroelectric turbine anchored in a body of water which produces electricity directly from its housing. The turbine is in and of itself a generator whose housing is its stator and whose blade it its rotor. ...
10/25/2005
6595752Radial impeller for a centrifugal pump
An improved impeller for a centrifugal pump is disclosed. The impeller is particularly suited for use in pumps in which a high head is required and in which only low shear forces must be applied to the fluid moving through the pump. The impeller comprises...
07/22/2003
6589031Turbo blood pump
A turbo blood pump includes a housing 1 having a pump chamber 2, an inlet port 3, and an outlet port 4, an impeller 5 disposed rotatably in the pump chamber, an upper bearing 9 and a lower bearing 10 supporting the impeller rotatably, and a driving force ...
07/08/2003
6579064Blade for a cooling fan
A blade for a cooling fan is formed on an outer periphery of a rotor of the cooling fan and is curved. The blade has a convex outer surface and a concave inner surface. A curved angle of the blade between a line through the center of the rotor and a root ...
06/17/2003
6452287Windmill and method to use same to generate electricity, pumped air or rotational shaft energy
An improved windmill and a method for generating electricity, pumped air or rotational shaft energy are provided. A vertical mast rotatably mounts one end of a substantially horizontal and upward cantilevered support arm whose other end mounts a horizonta...
09/17/2002
6283712Cooling air supply through bolted flange assembly
A preferred embodiment of the present invention is a gas turbine engine rotor assembly having axially spaced apart forward and aft disks circumferentially disposed about an axis. The forward disk has an aftwardly extending annular forward arm and the aft ...
09/04/2001
6135710Turbo blood pump
A blood pump used for extra corporeal circulation, and more particularly, as a small turbo blood pump including a casing having an interior region, an aperture formed in an upper portion defining a blood inlet, and an aperture formed in a lower portion de...
10/24/2000
6109985Propeller deflection snubber
A deflection snubber assembly for preventing damage to a propeller which is subjected to instances of high force is disclosed. The propeller includes a hub for mounting the propeller on a shaft and a number of blades exteng radially outward from the hu...
08/29/2000
6015276System and method for reducing vibration in a windshield washer pump
This invention includes a system and method for maintaining an impeller in a centrally located position in a pump cavity defined by an impeller housing in order to reduce noise and vibration between the impeller and the impeller housing. The system and me...
01/18/2000
5540550Solid impeller for centrifugal pumps
A solid impeller is disclosed having a disk-shaped impeller body having an inlet section extending along the impeller axis of rotation. A plurality of discharge passages extend radially and having inlet and discharge ports. The inlet port has an opening v...
07/30/1996
5387087Fan capable of directing air flow in both axial and radial directions
A fan is capable of directing air passing between upstream and downstream ends of the fan to flow in both axial and radial directions and includes a hub, a plurality of fan blades and a ring. The hub is shaped as a truncated cone with a wide upstream end ...
02/07/1995
5348444Single-blade impeller for centrifugal pumps
A centrifugal pump for conveying fluids with suspended solids has a single-blade impeller. The blade angle, as measured at the meridian line of the blade, is positive at the rear end of the blade and less than 0 degrees along a portion of the blade which ...
09/20/1994
5326225High efficiency, low axial profile, low noise, axial flow fan
The fan blades have a particular geometry that combines high efficiency, low axial profile, and low noise in an axial flow fan. The fan also comprises a circular outer band that coacts with a surrounding shroud structure to form a labyrinth air seal. The ...
07/05/1994
5273400Axial flow fan and fan orifice
A low noise axial flow fan (10/110) having a plurality of identical blades (13/113) extending from a central hub (11/111). In a preferred embodiment, each blade is highly skewed, having a backward (with respect to fan rotation direction) skew in the root ...
12/28/1993
5213474Pump unit
A vacuum pump, denoted "VUMP", comprises a pair of nested conical or bell-shaped housings, wherein at least the outer bell-shaped housing forms a part of the pump chamber and has a central inlet. The impeller structure of the pump comprises a circular ser...
05/25/1993
5193981Fan wheel with cup shaped hub
A fan wheel has a cup shaped hub having an outer cup wall with a plurality of vanes and a cup bottom connectable with a shaft of a drive and provided at its inner side with a plurality of ribs defining a plurality of fields therebetween. The cup bottom in...
03/16/1993
5124038Apparatus for separating and recovering floating liquid
An apparatus for separating and recovering floating liquid wherein one or more vortex guide plates are horizontally held on the surface of the water inhibiting their rotation, the lower members of the guide plates are submerged under the surface of the wa...
06/23/1992
5112195Radial flow rotors
The vanes of a radial turbine have pressure surfaces which are convex when viewed in a plane normal to the axis of rotation of the radial flow rotor and suction surfaces which are concave when viewed in the same plane. The curvature acts to promote favora...
05/12/1992
5104541Oil-water separator
A pump has an impeller with a circular series of airfoil vanes rigidly mounted thereon. The impeller is mounted in a casing which has a radially outwardly increasing internal axial extent, such that fluid flowing through the pump has a less constricted pa...
04/14/1992
5061370Screening device for slurries with improved rotor and hub design
Aqueous slurries of particulate materials, particularly wood pulp slurries produced during the recycling of newsprint and other paper products, are processed to recover an accepts fraction in a rotary filter having a hollow cylindrical rotor. The rotor is...
10/29/1991
4981417Closed type impeller
An impeller for pumps, turbines, fans, etc., of the closed type, having a number of vanes arranged between cover discs. In order to reduce the secondary flows within the impeller, the secants between the suction side of the vane and the cover discs are di...
01/01/1991
4879483Molded multi-part generator fan
A multi-part molded plastic annular fan is formed from four pieces, each piece having upstanding fan blades and a number of integrally molded cylindrical metal sleeves through which bolts extend to mount the fan parts to a flywheel of an engine drive trai...
11/07/1989
4779017Superconducting rotor cooling system
A superconducting rotor cooling system for an electrical generator includes a free vortex type pump which is located within and forms an integral part of the rotor assembly. The free vortex pump takes advantage of the centrifugal force of rotation of the ...
10/18/1988
4720640Fluid powered electrical generator
A fluid powered electrical generator having an impellor-rotor rotatively mounted on a central support structure. A toroidal outer support structure surrounds the impellor-rotor, with the impellor-rotor including a plurality of circumferentially spaced-apa...
01/19/1988
4642036Magnet ball pump
A fluid pump including a double-entry impeller whose outer boundary is defined by a dissected spherical surface. The spherical surface includes an equatorial region which may be a groove or a cylindrical surface. The impeller is polarized magnetically and...
02/10/1987
4614478Pump impeller
An impeller in a pump, in particular a sewage pump, the passage of which is required to have a given transmission capacity for transmitting the impurities present in the sewage water. When small volumetric flows are being pumped at great delivery lift, it...
09/30/1986
4575312Impeller
The invention is related to an impeller for a single vane type of centrifugal pump. In order to diminish the risk of clogging of the pump when pumping a fluid having a large impurity content, a vane having varying thickness is provided. In this manner, th...
03/11/1986
4541776Centrifugal blower for hot fluids
A single-stage or multi-stage centrifugal blower for hot fluids has a rotor whose housing is made of steel or carbon filaments and whose vanes are made of a ceramic material. The internal surface of the housing is shielded from hot fluids by a lining whic...
09/17/1985
4530643Centrifugal pump impeller
A pump impeller to be used when pumping liquid containing solid bodies. The impeller is provided with one single vane designed with a hollow for balancing the impeller. The hollow is connected to the surroundings via a slot at a point where the vane has i...
07/23/1985
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