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Class 417/408 - Axial flow motor and pump


Subclass of Class 417 - Pumps
Definition: Apparatus in which the direction of flow of motive fluid
No. of patents: 30
Last issue date: 05/15/2012


NumberTitleIssue Date
8177527Fan driven by tip turbine
At the time of an operation, high-pressure air 8 fed through an inlet 6 passes a stator vane 4 within a duct 15, so as to adjust its flow, and is supplied to a tip turbine rotor vane 3. The tip turbine rotor vane 3 is suppli...
05/15/2012
7758322Fan system
A fan system includes a first airflow generator providing a main airflow, a duct having a first feeding port to guide the main airflow, and a first fan. The first fan includes a base, a rotor connected to the base by a shaft, and a plurality of blades connected to t...
07/20/2010
7247004Electronically controlled actuator
An electronically controlled actuator for controlling a turbocharger has a motor, a speed change mechanism and a position sensor contained in a case consisting of a body and a cover. The driving force of the motor is transmitted through the speed change mechanism to...
07/24/2007
7093665Method of adapting a downhole multi-phase twin screw pump for use in wells having a high gas content and a downhole multi-phase twin screw pump
A method of adapting a downhole multi-phase twin screw pump (10) for use in wells having a high gas content. A first step involves positioning a supplementary liquid channel (22,122) in a housing (12) of the pump in fluid communication with a pu...
08/22/2006
7001155Compressor impeller with stress riser
A compressor impeller for use with a boreless turbocharger is provided in accordance with this invention. The compressor impeller comprises an integral hub projecting axially therefrom that includes a partial bore therein that extends from an open to a close bore en...
02/21/2006
6652225Fan with integrated fan motor
The revolving fan impeller of a fan includes a fan blade ring, which is used to produce an air current, as well as a turbine blade ring, which is used to drive the impeller and which may be impinged upon by a pressurized fluid. The fan casing includes a f...
11/25/2003
6591873Turbo fan aspirator
An aspirator assembly for enabling rapid inflation of evacuation slides and life rafts is configured for direct attachment to the inflatable article. The aspirator assembly comprises an open-ended body housing, a nozzle arrangement for introducing a press...
07/15/2003
6368076Air-flow modifying nozzle
A device for reversing and modifying air flow created by a suction device. The device has a housing, two fans, two pairs of inlet holes and a dividing wall. The fans are connected by a shaft, so that when the first fan rotates, the second fan rotates in t...
04/09/2002
6234770Reservoir fluids production apparatus and method
The invention is an apparatus for moving reservoir fluids from an underground reservoir using a wellbore extending from the surface to an end beneath the surface, wherein the wellbore communicates with the reservoir such that reservoir fluids enter the we...
05/22/2001
5992473System for injecting additive within a fuel tank
A system for injecting an additive within a fuel storage tank or the fuel tank (10) of a vehicle (12) including an additive injector (22) mounted within the tubular inlet (14) of the fuel tank (10). The additive injector (22) includes an additive pump (46...
11/30/1999
5959380Prevention of particle accumulation between rotatable components of an electrical machine
An electrical machine, such as an electric motor, generator or torquer-generator, includes a relatively rotatable cylindrical armature and magnetic pole structure separated by an annular gap into which a surrounding fluid may flow during operation of the ...
09/28/1999
5732560System and method for performing cooling
The invention relates to a refrigeration system of the air cycle cooling system type, also called reversed Brayton cycle in which the air flow through compressor means (12, 16), heat exchanger means (24) for withdrawal of heat from the compressed air and ...
03/31/1998
5295810Apparatus for compressing a fluid
Apparatus for compressing a fluid comprising a tubular, open-ended housing (2) having a suction end (5) and a discharge end (6), a tubular, open-ended rotor (8) rotatably arranged in the housing (2), an annular driver space (17) which is defined between t...
03/22/1994
5275533Quiet compressed air turbine fan
A compressed air turbine driven fan having an axial blade fan impeller driven by a partial admission radial inflow air turbine, with both the fan blades and the turbine blades mounted on the hub rim of a single fan-turbine wheel. The turbine exhaust is di...
01/04/1994
5236305High speed hydraulic turbine drive
A high speed hydraulic turbine drive. A nozzle body contains a number of nozzles through which hydraulic fluid is discharged to impinge on the blades of a turbine wheel which is fully submerged in the hydraulic fluid. The nozzles are cylindrical or part c...
08/17/1993
5199848Portable water driven pump
A compact water turbine driven water pump comprising an impeller driven by an axial flow water turbine wheel both operating on a single shaft and contained in a housing. A nozzle body also contained in the housing comprises a plurality of nozzles through ...
04/06/1993
5013214Portable water driven high velocity fan
An portable water driven high velocity fan. Contained in a cylindrical housing is a turbine nozzle body in which a plurality of cylindrical or part cylindrical and part conical nozzles are provided. The nozzles make an angle of about 10 to 30 degrees with...
05/07/1991
4820135Fluid driven pumping apparatus
A fluid driven pumping apparatus comprises a housing containing a twin rotor screw type positive displacement motor and a twin rotor screw type positive displacement pump. The screw rotors of said pump and motor are mounted on a pair of common shafts....
04/11/1989
4619590Air diverter for supercharger
An engine supercharger is modified to include an auxiliary turbine downstream from the main turbine wheel. The main shaft of the supercharger is tubular (hollow) to accommodate a second shaft. The opposite ends of the second shaft are suitably connected t...
10/28/1986
4504196Rotary turboengine and supercharger
A fluid driven turbine having a stator member and a turbine member rotatable on an axis and supporting turbine blades and with a fluid compression section is described. The fluid compression section is provided along the axis of rotation of and inside the...
03/12/1985
4303377Turbine-compressor ejector
A unique and improved turbomachine for increasing the pressure of one fluid stream by an energy exchange with that of another fluid stream, at relatively high efficiency, includes a housing supporting a compressor turbine wheel for rotation on bearings. L...
12/01/1981
4227865Constant fluid film thickness hydrostatic thrust bearing
A method and apparatus are provided for automatically and continuously balancing the unbalanced thrust resulting from the operation of a fluid pump which is driven by a fluid pressure motor. A hydrostatic-type thrust bearing is employed on the common shaf...
10/14/1980
4086030Free fluid-operated well turbopump
A fluid-operated turbopump, suitable for installation in the bottom hole tubing of an oil well, is structurally adapted as a hydraulically insertable and removable unit. The turbopump has axially spaced rotary driving and driven impellers operable for ove...
04/25/1978
4082482Articulated turbine pump
An articulated, submersible turbine pump for installation in a vertically elongated bottom hole assembly of a well has a flexible shaft and a plurality of rotor elements and stator elements mounted about the shaft in adjacent alternating relationship. Eac...
04/04/1978
4030859Floating aerator having means to vary the length of the draft pipe
The invention comprises a water circulator device for circulating the water in a lake, pond, or reservoir. The device comprises a raft having a wind driven shaft mounted thereon for vertical rotation. A mixing chamber is mounted beneath the raft with the ...
06/21/1977
4025240Geothermal energy control system and method
A geothermal energy transfer and utilization system makes use of thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water; the super-heated steam is then used for operating a turbine-driven...
05/24/1977
4005575Differentially geared reversible fan for ducted fan gas turbine engines
A ducted fan gas turbine engine comprises a pair of turbines in flow series which are contra-rotating and which drive shafts which in turn drive into an epicyclic gear. The output from the epicyclic gear drives a fan which normally provides forward thrust...
02/01/1977
4003678Fluid operated well turbopump
A fluid operated turbopump, suitable for use in an oil well pumping system, is structurally adapted as either a hydraulically insertable and removable unit or as a permanent attachment to a bottom hole tubing. The turbopump has axially spaced rotary drivi...
01/18/1977
3964342Turbine shaft balancing
A multi-shaft gas turbine has an inner shaft rotatably supported at opposite ends thereof with one end adapted to be connected to a load and the other end to a turbine wheel with a tubular section that receives a balance tube removably mounted within the ...
06/22/1976
3961866Geothermal energy system heat exchanger and control apparatus
A geothermal energy transfer and utilization system extracts thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water; the super-heated steam is then used for driving a turbine-driven pump ...
06/08/1976
 
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