|
Match
|
Document |
Document Title |
|
|
RE39787 |
Blower
A blower with the improved P-Q characteristics is provided. A blower comprising a shaft rotatably supported in a tubular casing, a cup shaped motor yoke 11 fixed to the shaft, and a body portion ...
|
|
|
7229243 |
Compressor
A compressor for compressing a gas comprises an impeller wheel ( 1 ) mounted within a housing ( 2 ) defining an inlet and an outlet ( 6 ). The inlet comprises an outer tubular wall ( 7 ) extending...
|
|
|
7175384 |
Centrifugal pump
A centrifugal pump, the impeller ( 2 ) of the pump having one or more holes through the impeller adjacent to its hub. The hole or holes ( 7 ) are positioned between the vanes ( 3 ) of the impeller...
|
|
|
7112033 |
Hygienic mechanical seal flushing system for pure liquids in sanitary centrifugal pumps
A sanitary centrifugal pump with a hygienic mechanical seal flushing system. The pump has a housing with a pumping chamber defined therein. An impeller is at least partially contained in the...
|
|
|
RE39117 |
Blower
A blower with the improved P-Q characteristics is provided. A blower comprising a shaft rotatably supported in a tubular casing, a cup shaped motor yoke 11 fixed to the shaft, and a body portion ...
|
|
|
6893207 |
Impeller for gassy well fluid
A centrifugal pump pumps well fluid with a high gaseous content by utilizing an impeller design for use in gaseous liquids. The impeller has high discharge angles and large balance holes. The...
|
|
|
6881025 |
Suction cup vortex attractor
A vortex generating apparatus has the capability of attracting and removably adhering one or more solid objects, with the improvement of being able to removably adhere to non-planar surfaces, e.g.,...
|
|
|
6802693 |
Vortex attractor with vanes attached to containing ring and backplate
A vortex generating apparatus has the capability of attracting and removably adhering one or more solid objects. The apparatus comprises an impeller housed within a shell. The vortex attractor...
|
|
|
6676366 |
Submersible pump impeller design for lifting gaseous fluid
A gas-handling centrifugal pump has impellers for pumping gaseous materials containing up to 50% by volume free gas. The impellers have split vanes with high exit angles up to about 90 degrees and...
|
|
|
6402461 |
Pumps
A fluid pump ( 10 ) has a body housing ( 14 ) a fluid pumping chamber having a rotatable pumping member ( 16 ), a drive shaft ( 12 ) which passes through an aperture in the body into the pumping...
|
|
|
6361270 |
Centrifugal pump for a gas turbine engine
A centrifugal pump for a gas turbine engine, including a housing having a fluid inlet port for receiving fluid at an initial pressure and an interior chamber defining a central axis. An impeller...
|
|
|
6099243 |
Centrifugal pump with seal cooling and debris flushing arrangement
A centrifugal pump of the type in which fluid enters radially includes a debris blocking shield over a space around a shaft seal with a channel to supply energized fluid to near the center of the...
|
|
|
6012909 |
Centrifugal pump with an axial-field integral motor cooled by working fluid
An integral axial-field motor pump, includes a housing assembly having a working fluid inlet, a working fluid discharge, and a stationary shaft mounted therein. A motor stator is mounted in the...
|
|
|
5827041 |
Pump and seal arrangement to prevent leakage due to fluid boiling and cavitation
A fluid pump having a pump body defining a pump cavity and a pump shaft rotatable on a bearing in the cavity, wherein the pump cavity contains a seal in a closed chamber between the pump body and...
|
|
|
5735686 |
Combustion blower shaft leakage relief
A method of operating a pre-mix power burner assembly. The method comprises the steps of: using a fan to supply and control combustion; mixing fuel gas and primary air together; introducing the...
|
|
|
5713719 |
Self flushing centrifugal pump
A self flushing centrifugal pump has a fluid flushing passageway disposed in a housing of the pump which directs flushing fluid flow from a volute passageway in the housing of the pump near an...
|
|
|
5669756 |
Recirculating diffuser
A centrifugal compressor having an impeller wheel mounted for rotation about a central axis and a diffuser for emptying compressed fluid into a collector chamber. A plenum chamber is located behind...
|
|
|
5628616 |
Downhole pumping system for recovering liquids and gas
A downhole pumping system for recovering liquids and gas, comprising a first centrifugal pump having internal features for mixing introduced gas into introduced liquids, and a second centrifugal...
|
|
|
5542817 |
Impeller for a rotary pump
Notches in the impeller cooperate with balancing holes therein, and a liquid-receiving slot, to direct liquid across the leading edges of impeller vanes to flush away any accreted substances...
|
|
|
5525036 |
Suction structure of a sirocco fan housing
This invention relates to a suction structure of a sirocco fan housing, the suction structure including a separate fluid suction guide, or a bellmouth member having a fluid suction guide integral...
|
|
|
5466118 |
Centrifugal compressor with a flow-stabilizing casing
A centrifugal compressor with a flow-stabilizing casing includes an impeller (2) rotatably supported about a machine axis (7) and having a hub (9) with a plurality of impeller vanes (3) on its...
|
|
|
5427498 |
High performance centrifugal pump having an open-faced impeller
The centrifugal pump with an open-faced impeller comprises at least one open-faced impeller having blades placed inside a casing defining both a delivery pipe and a suction pipe facing the base of...
|
|
|
5277541 |
Vaned shroud for centrifugal compressor
A centrifugal compressor impeller for gas turbine engines designed to efficiently operate at both part-speed and full speed design points includes slanted vanes in a secondary air inlet to the...
|
|
|
5156522 |
Deflector means for centrifugal pumps
Improvements in centrifugal pumps are disclosed which minimize flow recirculation effects induced by wear ring leakage flow. The improvements may be used individually or in combination and comprise...
|
|
|
5059091 |
Gas turbine engine compressor assembly
A compressor assembly (12,13) for a gas turbine engine (10) comprises a centrifugal compressor (12) having a variable cross-sectional area diffuser (13) located at its downstream end. When the...
|
|
|
4964783 |
Device for emptying a liquid-collection tank in a water-conducting household appliance
An arrangement for emptying a liquid collection tank in household appliances that use water such as washing machines or dish washers. A centrifugal pump is provided with a housing and a floating...
|
|
|
4778341 |
Centrifugal pump particularly suitable for pumping fluids with a high gas content
A centrifugal pump for handling fluids with a high gas content, wherein the impeller is provided with a through-bore connected with the inlet of each outflow channel, as well as with at least one...
|
|
|
4475866 |
Liquid metal mechanical pump
An improvement in a liquid metal mechanical pump which includes a hydrostatic bearing immersed in liquid to rotatably support the lower end of a pump drive shaft and is constructed such that a part...
|
|
|
4255080 |
Fans or the like
In a centrifugal fan or the like including an impeller housed in a casing, recirculation means are provided to recycle a portion of the gas discharge back to the blades of the impeller....
|
|
|
4152092 |
Rotary device with bypass system
A rotary fluid handling device, such as a turbine or a compressor, comprising a stationary body and a rotor rotatably mounted therein. The rotor has a flowway therethrough having a radially...
|
|
|
4116171 |
Cooling device for an internal combustion engine
A cooling device for liquid-cooled internal combustion engines, which device includes an annular radiator core or block which is traversed by the cooling air from the inside thereof toward the...
|
|
|
3910714 |
Liquid metal pump for nuclear reactors
A pump for use in pumping high temperature liquids at high pressures, particularly liquid metals used to cool nuclear reactors. It is of the type in which the rotor is submerged in a sump but is...
|
|
|
3874812 |
Axial pressure balancing arrangement for a multistage centrifugal pump
A plurality of rotors alternate with stator portions to form therewith gaps in which throttle portions, such as a circular recess cooperating with a circular projection, are provided. Axial ducts...
|
|
|
3867056 |
RECIRCULATING GAS SEPARATION MEANS FOR SUBMERSIBLE OIL WELL PUMPS
This abstract describes an improvement in down hole submersible oil pumps for pumping oil and gas mixtures, which includes a section in which the well fluid is given a helical motion within a first...
|
|
|
3637331 |
SELF-CONTAINED PUMPING UNIT
A self-contained pumping unit, fabricated primarily from plastic materials, has pump apparatus and filter apparatus formed as integral parts of a single structure. The self-contained pumping unit...
|
|
|
3438330 |
NOISE SUPPRESSION MEANS
|
|
|
3407994 |
Shaft seal
|
|
|
3280750 |
Motor driven pump
|
|
|
3267868 |
Electric motor with plural cooling paths through the shaft
|
|
|
3203354 |
Pump
|
|
|
3116696 |
Centrifugal pump
|
|
|
3101671 |
Adjustable seal for pumps
|
|
|
2941476 |
Motor pump units
|
|
|
2921533 |
Hydrodynamic and hydrostatic bearing
|