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Class 415/93 - AXIALLY OPPOSED WORKING FLUID PATHS TO OR FROM RUNNER (E.G., END BALANCE, ETC.)


Subclass of Class 415 - Rotary kinetic fluid motors or pumps
Definition: Apparatus comprising an arrangement whereby the working
No. of patents: 13
Last issue date: 01/24/2012


NumberTitleIssue Date
8100631Fluid-type absorption dynamometer having an enhanced power range
A fluid-type absorption dynamometer that includes a rotary impeller and one or more of a variety of features that enhance the shaft-horsepower range for which the dynamometer can be used. One of these features is a variable restriction intake that allows a user to a...
01/24/2012
6997677Method and apparatus for rotating machine main fit seal
A method and apparatus for assembling a steam turbine is provided. The method includes performing a finite element analysis to determine a cross-section of a sealing member, positioning the sealing member in a leakage path defined between an inner casing and an oute...
02/14/2006
6854954Methods and apparatus for assembling turbine engines
A method for assembling a power system is provided. The method includes coupling a first turbine and second turbine together with a coupling that extends between a first rotor of a first turbine and a second rotor of the second turbine, and such that the first turbi...
02/15/2005
6851927Fluid-flow machine with high-pressure and low-pressure regions
A fluid-flow machine includes an outer casing having a rotationally mounted rotor with three blade regions. The blade regions are divided into an inner blade region and two outer blade regions, the two outer blade regions pointing outward toward the outer casing end...
02/08/2005
6345952Steam turbine
A steam turbine has a turbine shaft directed along a turbine axis. A plurality of turbine stages, each include a guide-blade structure and a moving-blade configuration located axially downstream of the guide-blade structure. The guide-blade structure and ...
02/12/2002
5494403Full-circumferential flow pump
A full-circumferential flow pump includes a motor having a stator, a shaft rotatably disposed in the stator, and a rotor mounted on the shaft for rotation relative to the stator, an outer frame casing disposed around the stator, an outer cylindrical pump ...
02/27/1996
5411365High pressure/intermediate pressure section divider for an opposed flow steam turbine
In an opposed flow high pressure section, intermediate pressure section steam turbine (10), an annular section divider (142) is located axially between the high pressure section (HP) and the intermediate pressure section (IP), and substantially eliminates...
05/02/1995
5246338Mixed gas turbine
In a mixed gas turbine, wherein excessive steam in a plant is mixed with exhaust gas of a high-pressure turbine and then introduced to a low-pressure turbine, the present invention makes improvements such that even when a flow rate of the main flow in the...
09/21/1993
5104285Low pressure inlet ring subassembly with integral staybars
Integral cast inlet ring sections for low pressure steam turbines are disclosed. Preferably, semicircular inlet ring sections from opposing sides of the steam inlet are joined together by integral staybars to form an inlet ring subassembly. After fabricat...
04/14/1992
4948333Axial-flow turbine with a radial/axial first stage
In an axial-flow turbine consisting essentially of an outer casing, an inner casing with a preferably integrated vane carrier (5) and a rotor (3) fitted with rotor blades (6), the first stage is designed as a radial/axial stage. It is supplied with workin...
08/14/1990
4929149Gas blower
A gas blower comprises a generally cylindrical housing containing a generally annular radially symmetric impeller chamber and a generally annular and generally radially symmetric plenum chamber. The housing has a gas inlet opening to the impeller chamber ...
05/29/1990
4650404Motor-driven fuel pump
A motor-driven regenerative type fuel pump is provided with an overflow mechanism disposed adjacent to a discharge pipe. The overflow mechanism includes a plug hole in a pump housing and a plug member disposed in the plug hole. The pump housing is formed ...
03/17/1987
4215976Turbine-impeller pump for use in geothermal energy recovery systems
A turbine impeller pump particularly for use in a geothermal pumping system has a casing with a hollow cylindrical stator or axle fixedly connected in the longitudinal axis thereof which stator or axle defines a flow passage for motive fluid and enables a...
08/05/1980
 
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