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Class 415/44 - Multiple working fluid inlets to runner


Subclass of Class 415 - Rotary kinetic fluid motors or pumps
Definition: Apparatus comprising means to direct or conduct a plurality
No. of patents: 14
Last issue date: 11/15/2011


NumberTitleIssue Date
8057162Composition comprising the polyprotein NS3/NS4 and the polypeptide NS5B of HCV, expression vectors including the corresponding nucleic sequences and their therapeutic use
The invention relates to a peptidic compound containing a polyprotein NS3/NS4 of a hepatitis C virus and a polypeptide NS5b of hepatitis C virus. Said invention also relates to expression vectors such as adenovirus and poxvirus in which nucleic sequences coding for ...
11/15/2011
7065968Steam turbine
In a steam turbine plant in which a turbine casing containing a turbine is constituted of an upper-half casing and a lower-half casing, nozzles are provided to the upper-half casing and a steam supplied through main steam piping lines are deliveried into the upper-h...
06/27/2006
6749394Rotating display apparatus
A rotating display apparatus includes a support structure, a rotor mounted rotatably on the support structure for rotation about a vertically disposed rotational axis, and at least two (preferably more) wind-reactive elements on the rotor on which a user may display...
06/15/2004
6422816Variable pitch propeller control system
Maintenance requirements on a variable pitch propeller control system are minimized by eliminating the need for mechanical elements, such as a flyweight, mechanism in a secondary control for the variable pitch propeller. The system includes a secondary co...
07/23/2002
6270309Low drag ducted Ram air turbine generator and cooling system
A low drag ducted ram air turbine generator and cooling system is provided. The ducted ram air turbine generator and cooling system has reduced drag while extracting dynamic energy from the air stream during the complete range of intended flight operating...
08/07/2001
6027305Method and apparatus for reducing high-cycle fatigue and suppressing noise in rotating machinery
A stator apparatus for mounting upstream of an intake to a rotating machine which blows pressurized air, or other media, from discharge orifices at a pressure and velocity to minimize velocity defects or turbulence in the wake of the stator prior to the p...
02/22/2000
4940383System for admitting steam into a turbine
A steam turbine in which the number of shell penetrations is reduced to six, without the use of T or Y fittings, by controlling steam flow to large nozzle chambers with a single large valve, rather than two smaller size valves. Secondly, adjacent valves a...
07/10/1990
4903490Cam-driven valve system for steam turbines
A steam turbine system including a source of motive steam and a turbine adapted to operate at less than a full load and normally provided with two separate valve chests each incorporation a plurality of commonly controlled valves, is modified to improve t...
02/27/1990
4850793Steam chest modifications for improved turbine operations
Existing steam chests having a plurality of valves which are incapable of operation by individual high pressure valve actuators may be modified to provide apparatus for transferring operation of a steam turbine at less than a full load betweeen a full-arc...
07/25/1989
4604028Independently actuated control valves for steam turbine
A control system for a steam turbine employs complementary-sized nozzle groups receiving steam in a sequence which employs the smallest possible sized group receiving steam from a control valve of the smallest possible capacity as the governing valve. All...
08/05/1986
4502834Apparatus and method of throttling centrifugal pump liquid output
A first control assembly is provided operative to supply gas from a supply of gas under pressure to the inlet of a centrifugal liquid pump at increasing and decreasing rates responsive to decreases and increases in the pressure of liquid discharge from th...
03/05/1985
4325670Method for admitting steam into a steam turbine
A sequence of activating and deactivating arcuate nozzle chambers which together form a structure for admitting steam into a steam turbine and directing it through turbine blades. At least one small and one large nozzle chamber are cooperatively activated...
04/20/1982
4245464Quick release turbine gate valve
A gas turbine engine has a compressor and power turbine driven by gas flow across a nozzle arrangement that includes a partial admission gate valve therein movable into and out of overlying relationship with a limited number of vanes of the nozzle in orde...
01/20/1981
4057113Pneumatically powered hand tool with speed-control governor
A pneumatic hand tool comprises a housing having a compressed-gas inlet and provided with a pneumatically powered motor which carries on one side a tool holder such as a chuck and on the other side a governor. A speed-control valve is operated by the gove...
11/08/1977
 
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