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Patent No. 5787895

Kissing Shield

A kissing shield comprised of a thin, flexible membrane and a frame or holder.

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Class 415/226 - Annular exit chamber outward of runner


Subclass of Class 415 - Rotary kinetic fluid motors or pumps
Definition: Device wherein the means comprises a working fluid* flow
No. of patents: 31
Last issue date: 03/20/2007


NumberTitleIssue Date
7192244Bladeless conical radial turbine and method
Turbo-machinery and methods are disclosed for a bladeless conical radial turbine wherein fluid is directed axially within the pump body to produce an axial output. The rotor comprises a plurality of spaced apart conical elements. A plurality of spiraling flow paths ...
03/20/2007
7140842Axial flow fan
An axial flow fan includes a frame, a driving device and a fan blade part. The driving device is disposed in the frame and the fan blade part provides a hub member and a plurality of fan blades attached to the outer rim of the hub member and the hub member engaging ...
11/28/2006
7063502Fuel pump
A fuel pump prevents pressurized fuel from being pulled into a clearance between an outer circumference face of an impeller and an inner circumference face of a pump case, thereby allowing the delivery of the pressurized fuel from a pump body side to a pump cover si...
06/20/2006
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
6932563Apparatus, system and method for minimizing resonant forces in a compressor
A buffer chamber and outlet guide provide an air path from an intake passage in a compressor housing to an upstream position relative to an intake port of the compressor. Surging is minimized during low airflow conditions while cyclic forces on the blades of the imp...
08/23/2005
6659737Electronic fluid pump with an encapsulated stator assembly
A fluid pump includes a pump housing having a housing cavity with an inlet and an outlet. An encapsulated stator assembly is positioned within the housing cavity and at least partially defines a fluid passage from the inlet to the outlet. A polymeric caps...
12/09/2003
6585485Air flow guide device on heat dispensing fan
An air flow guide device for mounting on a heat dispensing fan includes a U-shaped frame and each of the three sides of the frame has a curve outer surface. A plate is connected between two distal ends of the frame and extends inclinedly from a top edge o...
07/01/2003
6485259Vaneless impeller housing for a vacuum cleaner
A vacuum cleaner includes a driven impeller that moves working air for the vacuum cleaner. A first housing includes a first wall and a second housing includes a second wall opposite the first wall, and an outlet for the working air. The impeller rotates a...
11/26/2002
6447247Steam turbine
A steam turbine has an axis of rotation, an inlet in an exhaust steam region for steam, and a flow duct for conducting the steam and extending in a direction of the axis of rotation. The flow duct widens, toward the exhaust steam region, to an outlet open...
09/10/2002
6439843Motor/fan assembly having a radial diffuser bypass
A bypass motor assembly includes a motor having a rotatable shaft, a working air fan secured to the rotatable shaft and a shroud having an intake eyelet and at least one exhaust apertures. The assembly includes an end bracket having a shaft hole through w...
08/27/2002
6419448Flow by-pass system for use in steam turbine exhaust hoods
A flow by-pass system is provided in a downward-discharging exhaust hood of a steam turbine to by-pass a small percentage of the total steam flow from the top portion of the exhaust hood to the vicinity of the condenser and in that way relieve excess pres...
07/16/2002
6358005Vaneless impeller housing for a vacuum cleaner
A vacuum cleaner includes a driven impeller that moves working air for the vacuum cleaner. A first housing includes a first wall and a second housing includes a second wall opposite the first wall, and an outlet for the working air. The impeller rotates a...
03/19/2002
6280139Radial split diffuser
The invention relates to a radial split diffuser with an inner casing and an outer casing joined together along a cylindrical joint. Each diffuser passage is intersected by and extends transversely across the joint. The advantages of this design include: ...
08/28/2001
6264427Vaneless impeller housing for a vacuum cleaner
A vacuum cleaner includes a driven impeller that moves working air for the vacuum cleaner. A first housing includes a first wall and a second housing includes a second wall opposite the first wall, and an outlet for the working air. The impeller rotates a...
07/24/2001
6155777Removal of cooling air on the housing side of a diffuser of a compressor stage of gas turbines
The removal of cooling air from the diffuser part of a radial end stage of a compressor of a gas turbine is provided. Compressed air is removed via a cooling air discharge (10) from a radial compressor stage, which comprises a rotor disk (2) and a bladed ...
12/05/2000
5951246Exhaust system for marine gas turbine
An exhaust system for a marine gas turbine may suppress a reduction of an efficiency even if a space therefor is small. In the exhaust system for a marine gas turbine, in which an end portion of an exhaust diffuser 2 is assembled into an exhaust chamber 1...
09/14/1999
5564898Gas turbine engine and a diffuser therefor
A gas turbine engine with first and second axial flow compressors and an intercooler therebetween is provided with a bend diffuser and a radial flow diffuser to diffuse the air leaving the downstream end of the first axial flow compressor at a first radia...
10/15/1996
5531565Appliance for extracting secondary air from an axial compressor
In an axial-flow compressor, the appliance for extracting secondary air using a peripheral extraction slot which is at least partially configured as a diagonal diffuser is such that means which make it possible to utilize the kinetic energy of the periphe...
07/02/1996
5518366Exhaust system for a turbomachine
An exhaust system for an axial flow turbomachine having a diffuser comprised of inner and outer flow guides that direct the flow of working fluid from a turbine cylinder to an exhaust housing having a bottom opening, thereby turning the flow 90° from the...
05/21/1996
5257906Exhaust system for a turbomachine
An exhaust system for an axial flow turbomachine is provided having a diffuser that directs the flow of working fluid from a turbine exit to an exhaust housing having a bottom opening, thereby turning the flow 90° from the axial to radial direction. In t...
11/02/1993
5226790Peripheral-longitudinal diffusser for a single-impeller centrifugal pump
The invention discloses a single-impeller pump with a diffuser (1, 40, 50, 60, 80, 100, 120, 130) arranged in front of the impeller (14, 46, 57, 107) on the suction side of the impeller (14,46,57,107) which evolves in the longitudinal direction toward the...
07/13/1993
4681508Supercavitation centrifugal pump
A supercavitation centrifugal pump comprising an impeller casing defining an impeller chamber, a discharge port and a suction port operatively connected to the impeller casing, a water inlet means disposed within the impeller casing for the introduction o...
07/21/1987
4606704Well point system and apparatus
Well point pumping apparatus and system of the portable type and which includes a power source, an enclosed tank, an impeller type water pump assembly in the tank which has its driven shaft arranged in a vertical direction so that water always positively ...
08/19/1986
4389159Centrifugal pump
A centrifugal pump with a housing which has circular shape in the direction of the circumference and which has on its circumference an exit tube commencing at an exit port tangentially with reference to the flow, where the length of the exit port in the d...
06/21/1983
4371310Centrifugal pump recirculation diffuser
A recirculation diffuser for centrifugal pumps that produces a continuousrising head capacity curve and at the same time reduces levels of impeller vane-frequency sound and other high level acoustic flow tones. The conventional vane diffuser in the pump ...
02/01/1983
4281964Turbine housing and method for making the same
A turbine housing is formed which comprises a plurality of housing members. The distance between mating portions of opposite side walls of one housing member is a first distance and the distance between mating portions of opposite side walls at one end of...
08/04/1981
4265030Article dryer
An apparatus for drying articles of apparel having a centrifugal blower associated with a housing for providing a flow of air through several tubes extending from the housing. The articles are disposed at the output portion of the tubes for drying the wet...
05/05/1981
4264273Casing and casing liners for centrifugal pumps of the volute type
A centrifugal pump casing of the volute type having a volute region comprising two circular segments of differing radii adjoining tangentially and a discharge branch leading tangentially away from the segment of greater radius. Liners for the casing are f...
04/28/1981
4213742Modified volute pump casing
The specification discloses a centrifugal pump in which radial thrust on the impeller shaft is reduced by employing a modified volute casing in which the casing flow area downstream from the cutwater to a point generally opposite the cutwater is significa...
07/22/1980
4129402Self-priming centrifugal trash pump
A centrifugal pump which is easy to clean, simple to assemble and disassemble, and economical to manufacture is disclosed. The pump comprises two cast metal casing members, one of which has an integral volute wall and the other of which has an oval partit...
12/12/1978
3961758Centrifugal pump with integral grinder
A submersible device for pumping liquids and liquid slurries and for concurrently grinding and comminuting solid and semi-solid material contained in the liquid product to be pumped. The device is generally located in a reservoir containing the liquid pro...
06/08/1976
 
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