Rotary kinetic fluid motors or pumps inventions 01/08

20080025836 - Overspeed safety device for a rotation motor: An over-speed safety device for a pneumatic rotation motor having a cylinder (10), a forward end wall (11), a rear end wall (12) with a pressure air inlet opening (21), a rotor (13), and an actuator (15) co-rotative with the rotor (13) and responsive to centrifugal action, and a valve... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080025837 - Overspeed safety device for a rotation motor: The present invention relates to a variable-setting stator blade guidance device of an axial turbomachine, the blade comprising an airfoil (22), a platform (23) and a pivot (24) mounted in the casing of the turbomachine. The device is characterized in that it comprises a bearing integrated into the platform. In... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080025838 - Ring seal for a turbine engine: Aspects of the invention are directed to a ceramic matrix composite ring seal segment. The ring seal segment according to aspects of the invention includes a relatively simple body that is circumferentially curved. At least a portion of the hot gas path surface of the ring seal segment can be... Agent: Siemens Corporation Intellectual Property Department

20080019820 - Dual arc vane pump: A rotary, positive displacement pump for fluids, having a pair of diametrically opposed vanes secured to a rotor in equally spaced, similarly contoured pockets, for movement between an extended position with a portion of the vane extending outwardly beyond the cylindrical surface of the rotor and a retracted position wherein... Agent: Jacobson Holman PLLC

20080019821 - Steam turbines, seals, and control methods therefor: A steam turbine comprises a rotor with moving blades attached thereto; diaphragms which surround the rotor from an outer periphery side of the rotor; a casing which encloses the diaphragms and the rotor and has an upper half and a lower half clamped together through respective flanges; a displacement detector... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080019822 - Segmented trapped vortex cavity: An annular trapped vortex cavity assembly segment comprising includes a cavity forward wall, a cavity aft wall, and a cavity radially outer wall therebetween defining a cavity segment therein. A cavity opening extends between the forward and aft walls at a radially inner end of the assembly segment. Radially spaced... Agent: Steven J. Rosen, Patent Attorney

20080019823 - Filtrair box-fan grille system™: An innovative and improved box fan security grille cage designed to facilitate the integration of an air filter element and a generic box fan unit, to sift foreign air particles suspended in the air, and captured them in the incorporated air filter element mounted within a security grille-cage, thus improving... Agent: Orestes J. Mirabal Jr.

20080019824 - Fan and impeller thereof: An impeller includes a hub, a plurality of first blades, and a plurality of second blades. The first blades are disposed around the hub. The second blades are disposed between the first blades. The lengths of the second blades are shorter than those of the first blades. The impeller can... Agent: Birch Stewart Kolasch & Birch

20080019825 - Centrifugal fan and housing thereof: A centrifugal fan. The centrifugal fan has at least one air inlet and one air outlet, and at least one set of rotor blades. A sidewall extends downward from an inner margin of the air inlet to define an air-gathering chamber in the housing of the centrifugal fan for increasing... Agent: Birch Stewart Kolasch & Birch

20080019826 - Blower: The invention provides a blower which can reduce noise and enhance efficiency by improving a blade structure of the blower used for, for example, an outdoor equipment of an air conditioner There is provided an impeller 1 in which plural blades 3 attached to a peripheral surface of a boss... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080019827 - Centrifugal fan device and eletronic device having the same: In a centrifugal fan device, the height of a diverting member is lower than the height of an interior wall surface of a casing. The diverting member diverts, the air flowing to an air outlet, into a centrifugal fan side and a side wall side of the diverting member, and... Agent: Stevens, Davis, Miller & Mosher, LLP

20080019828 - System for ventilating a combustion chamber wall in a turbomachine: System for ventilating a combustion chamber wall in a turbomachine comprising a diffuser (12) mounted at the inlet of the combustion chamber (14) and comprising an annular end-piece (28) that extends downstream to means (42) for injecting ventilation air, an annular convecting metal sheet (100) being arranged radially between the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080019829 - System for cooling a downstream cavity of a centrifugal compressor impeller: System for cooling a downstream cavity of a centrifugal compressor impeller in a turbomachine, this compressor (10) being connected to a diffuser (12) comprising a downstream annular flange, an annular plating (70) being mounted coaxially around the flange of the diffuser and substantially extending over the entire axial dimension of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080019830 - Tip turbine single plane mount: A tip turbine engine assembly (8) includes a fan (32) rotatable in a fan plane (22) about an engine centerline (112). The fan (32) includes a fan blade (34) that defines a core airflow passage therethrough. An engine case (10) surrounds and supports the fan and engine. A plurality of... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080019831 - Centrifugal pump: A centrifugal pump includes at least one impeller (11) fixed to a main shaft (10) and at least one casing which houses the impeller and is formed through press working of sheet metal such as a steel plate. The centrifugal pump further includes a casing cover configured to seal an... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080014076 - Seal: An isolator seal includes a stator member for placement into the stator of rotating equipment and a rotor member for placement onto a rotary shaft of the rotating equipment. The stator member and the rotor member provide respective adjacent surfaces, while a static shut-off device engages both adjacent surfaces when... Agent: Edwin D. Schindler

20080014077 - Seal between relatively moveable members: A seal (48) between first and second relatively rotatable members (26,28). The seal comprises an abradable material on at least one of the relatively rotatable members (26,28). The abradable material comprises an open cell metallic foam (60) and polymeric films (64) closing the cells (62) of the metallic foam (60).... Agent: Oliff & Berridge, PLC

20080014078 - Ejector cooling of outer case for tip turbine engine: A tip turbine engine (10) includes a combustor (30) radially outward of a fan. In order to reduce the heat transfer from the combustor and the high-energy gas stream generated by the combustor, a cold air ejector (38) radially outward of the combustor extends from a forward end of the... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080014079 - High compression gas turbine with superheat enhancement: A system and method for adding superheat to the hot process gas at the discharge of a compressor drive turbine of a high compression ratio gas turbine or aviation gas turbine. The superheat brings the temperature ratio (T2/T1) of the power output turbine into equality with the pressure ratio (P2/P1)(K−1)/K... Agent: Townsend And Townsend And Crew, LLP

20080014080 - Blower: A blower for a vacuum cleaner has a diffuser with an increased efficiency by coupling the attack angle A of the diffuser vanes with the attack angle B of the return guide vanes where angle A is between 4° and 6° and angle B is between 6° and 20°.... Agent: Birch Stewart Kolasch & Birch

20080014082 - Multi stage diffuser pump: The object of the present invention is to provide a pump structure that can reduce a hydraulic force applied to a casing of a multi stage diffuser pump, which includes multiple stages of impellers fixed to a rotary shaft rotatably supported in the casing and multiple stages of guide vane... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080014081 - Sideload vanes for fluid pump: A fluid pump assembly includes a rotatable component that can be rotated about an axis and a static vane assembly located adjacent to the rotatable component. The static vane assembly includes a circumferential surface axially spaced from the rotatable component, and one or more vanes extending from the circumferential surface... Agent: Kinney & Lange, P.A.

20080014083 - Turbofan case and method of making: A casing for a gas turbine includes a construction providing improved structural efficiency. Improved load paths and means for transmitting loads in the engine case are disclosed.... Agent: Ogilvy Renault LLP (pwc)

20080014084 - Turbofan case and method of making: A casing for a gas turbine includes a construction providing improved structural efficiency. Improved load paths and means for transmitting loads in the engine case are disclosed.... Agent: Ogilvy Renault LLP (pwc)

20080014085 - Fan housing and wire clipping mechanism thereof: A fan housing includes a first frame and a second frame. The first frame includes a clip member protruding toward the second frame, and a limit member connected with the clip member. The limit member has a slot along the outer wall of the first frame so that a wire... Agent: Birch Stewart Kolasch & Birch

20080008574 - Leakage flow control and seal wear minimization system for a turbine engine: Aspects of the invention relate to a system and method for extending seal life and for reducing leakage flow in a turbine engine. An interface can be defined between a stationary component and a rotating component. A seal, which can be a flexible seal such as a brush seal, can... Agent: Siemens Corporation Intellectual Property Department

20080008576 - Shock-absorbent structure of serially-connected fans: The present invention relates to a shock-absorbent structure of serially-connected fans. The serially-connected fans at least include two fan frames. A shock-absorbent element is disposed between the bonded surfaces of the fan frames and is made of a flexible material being shock-absorbent and damping. Therefore, when the fan rotor inside... Agent: Bacon & Thomas, PLLC

20080008575 - Vertical axis wind system: A vertical axis wind system is provided including a center post assembly, a power generation system, a blade attachment assembly and a blade assembly. The center post assembly includes an outer rotor rotatably connected to an inner post. The outer rotor is connected to a generator rotor for the power... Agent: Torys LLP

20080008577 - Centrifugal pump with mechanical seal arrangement: A centrifugal pump with a mechanical seal cartridge is disclosed. The pump has a pump casing, a rotatable drive shaft extending into the casing from the rear side, and an open impeller mounted on the drive shaft, this impeller having radially extending vanes with leading and trailing edges. The seal... Agent: Alston & Bird LLP

20080008578 - Centrifugal pump assembly: The centrifugal pump assembly comprises a device for separating gas from the fluid to be delivered, which is arranged on the suction side. The gas separation device is provided with an impact body (2) which at least partly is arranged in the suction-side flow path (11) of the fluid to... Agent: Akin Gump Strauss Hauer & Feld L.L.P.

20080008579 - Arrangement for sealing off a gap between a first component and a second component: The invention relates to a device for sealing the space between first and second components, wherein a sealing element is placed between the sealing surface of the first component and the sealing surface of the second component, means are used for displacing the sealing element towards the first component and... Agent: Siemens Corporation Intellectual Property Department

20080008580 - Seal for turbine engine: A turbine engine includes a first turbine structure that supports a seal. The seal is movable within a recess of the first turbine structure. The seal is arranged in close proximity to a seal land of a second turbine structure for preventing a fluid from leaking past the seal and... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080008581 - Rotor for jet turbine engine having both insulation and abrasive material coatings: A gas turbine engine is provided with a seal disk that rotates in a closely spaced relationship to a stationary vane. The stationary vane is provided with an abradable tip. The seal disk is provided with alternating portions of a relatively insulating material and a relatively abrasive material. The insulating... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080008582 - Interlocking knife edge seals: A compressor for a turbine engine includes multiple compressor disks having rotor blades mounted about the circumference of each of the disks. A plurality of stator blades extend between the rotor blades of axially adjacent disks. A knife edge seal is supported and retained by retaining flanges extending from a... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080008583 - Tip turbine case, vane, mount and mixer: A tip turbine engine assembly includes an engine support structure with a rear case, exit guide vanes, an exhaust mixer, and engine mounts. The rear case is disposed about an engine centerline. The exit guide vanes extend radially inwardly from the rear case. The exhaust mixer extends in a flow... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080008584 - Cantilevered framework support for turbine vane: A support for the first row turbine vanes (12) in a gas turbine engine, the support including a support framework (18). The support framework (18) includes an outer vane carrier (34), and an inner vane carrier (36) connected to the outer vane carrier (34) by a plurality of struts (44,... Agent: Siemens Corporation Intellectual Property Department

20080008585 - Pump secondary seal: A centrifugal pumps secondary seal is disposed between the pump housing cover (130) in the seal chamber and includes a rotatable annular slinger (440) axially disposed on the pump motor shaft for slinging water away from the motor shaft and a flange protector (300) with a drain (400, 430) for... Agent: Stainbrook & Stainbrook, LLP