Rotary kinetic fluid motors or pumps inventions 05/06

20060110243 - Cross-flow wind turbine: Disclosed are various embodiments of cross-wind turbines that are capable of providing high efficiencies over a wide range of wind velocities. An airfoil stator causes wind to accelerate along its surface and creates a low pressure area on the leading face of the rotor blade during the power stroke. A...

20060110244 - Turbomachine with a decoupling device common to first and second bearings of its drive shaft, compressor comprising the decoupling device and decoupling device: The invention relates to a turbomachine comprising a rotor with a drive shaft centered on the axis of the turbomachine by a first bearing and a second bearing which bearings are supported respectively by a first-bearing-support piece and a second-bearing-support piece which are secured to one another and connected to...

20060110245 - Inducer, and inducer-equipped pump: The present invention is concerned with an axial-flow or mixed-flow inducer (3) which is disposed upstream of a main impeller (2) for improving the suction capability of a pump such as a turbopump. In the inducer (3), a blade angle (βbt) from a tip (T1) to a hub (H1) at...

20060110246 - Variable stator vane bushings and washers: A variable stator vane assembly for use in a compressor section of a turbine engine having a plurality of movable metallic stator vanes and a method for making a variable stator vane assembly. The variable stator vane assembly includes a metallic stator casing supporting the vanes and a bushing system...

20060110247 - Pattern for the surface of a turbine shroud: An article of manufacture pattern for improving aerodynamic performance of a turbine including an abradable material capable of abradable contact. The abradable material is disposed in a pattern. The pattern includes a first plurality of ridges disposed at a base surface of the turbine. Each ridge of the first plurality...

20060110248 - Pattern for the surface of a turbine shroud: A pattern for improving aerodynamic performance of a turbine includes a material disposed in a pattern at a base surface of a turbine shroud such that the material is capable of abradable contact with a tip portion of a turbine bucket. The pattern includes a first plurality of ridges disposed...

20060110250 - Centrifugal fan: It is possible to keep a diameter of an impeller and a cross sectional area of an air channel as large as possible while reducing a size of a centrifugal fan in a direction perpendicular to an axis. Thereby, it is possible to acquire characteristics of a high air volume...

20060110249 - Method of die casting compressor housings: A compressor housing is provided for a compressor impeller. The compressor housing comprises an outer shell including an outer section, a midsection, and a center section. The midsection of the outer shell forms an upper volute wall portion of the compressor housing, and the center section forms an inlet for...

20060104804 - Automotive fuel pump with pressure balanced impeller: A rotary fuel pump employs pressure balancing features on the non-vaned side of the impeller to provide localized application of fluid forces so that the impeller is more precisely balanced within the pumping chamber. A generally disc-shaped impeller body has an impeller with a body-side surface and a cover-side surface....

20060104805 - Turbomachine with means for the creation of a peripheral jet on the stator: A turbomachine has at least one stator (4) and at least one downstream rotor (7), with the stator (4) being provided with stationary stator blades and the rotor (7) comprising several rotor blades attached to a rotating shaft. A casing (2) confines the passage of fluid through the rotor (7)...

20060104806 - Low friction o-ring for use in a carbon face seal: A stator seal assembly is provided that includes a seal case, an O-ring and a stator ring. The seal case has an inner peripheral wall, an outer peripheral wall, and an annular cavity formed therebetween. The O-ring is coupled to the seal case inner peripheral wall and disposed in the...

20060104807 - Multiform film cooling holes: A turbine wall includes a plurality of first and second film cooling holes arranged in a common row. The holes have multiple forms and alternate in the row for collectively providing film cooling performance therefrom....

20060104808 - Turbine blade cooling system: Efficient cooling of a stage of gas turbine engine turbine blades (36) is achieved by first reducing the pressure of the cooling air after it has been bled from the annulus of the compressor (12) by passing it through a diffuser (30), to a pressure magnitude lower than is required...

20060104809 - Low cost diffuser assembly for gas turbine engine: A gas turbine diffuser assembly and a method for assembling same, includes providing a loose fit between the diffuser body and the diffuser pipes. Damper members provide a snug attachment....

20060104810 - Method for making a repaired turbine engine stationary vane assembly and repaired assembly: A method is provided for making a repaired turbine engine stationary vane assembly including at least one airfoil bonded between spaced apart first and second platforms. The method comprises providing a first vane assembly member including at least a portion of the first platform, the airfoil, and a first segment...

20060099068 - Axial flow pump: Disclosed is an axial flow pump including a combined impeller integrally formed of an axial impeller and a centrifugal impeller, the axial impeller being composed of a first cylinder on which a first groove is formed, the centrifugal impeller being composed of a second cylinder on which a second groove...

20060099069 - Seal structure: A combustion chamber inner casing (24) has a flange (28) on its downstream end. A retaining seal ring (40) is bolted to the flange (28) and traps a flanged seal ring (46) against the flange (28) in a manner that allows the seal ring (46) to move by expansion, relative...

20060099070 - Turbine engine disk spacers: A gas turbine engine rotor stack includes one or more longitudinally outwardly concave spacers. Outboard surfaces of the spacers may be in close facing proximity to inboard tips of vane airfoils. The spacers may provide a longitudinal compression force that increases with rotational speed....

20060099071 - Centrifugal fan: A centrifugal fan is described. The centrifugal fan is suitable for a portable electrical apparatus. A tongue shape is formed from a volute sidewall of a casing of the centrifugal fan. The volute sidewall is formed with at least one groove substantially extending horizontally at the tongue shape. Therefore, when...

20060099072 - Draft inducer blower with fastener retention: A draft inducer blower for high efficiency furnaces, including a blower housing having a housing body and housing cover. The housing body includes a plurality of mounting lugs spaced around its outer periphery, through which fasteners are inserted to secure the blower housing to corresponding mounting holes in a furnace...

20060093463 - Vertical tower fan: A portable, vertical tower fan capable of generating a vertically oriented exhaust air stream that conforms better to a user at an elevation above a support surface. The device includes an vertically elongated housing, an air blower assembly located within the elongated housing and a base provides a space saving...

20060093464 - Counter-rotating gas turbine engine and method of assembling same: A method for assembling a gas turbine engine includes providing a high pressure turbine, providing a low-pressure turbine inner rotor that includes a first plurality of turbine blade rows configured to rotate in a first direction, providing a low-pressure turbine outer rotor that includes a second plurality of turbine blade...

20060093467 - Counter-rotating gas turbine engine and method of assembling same: A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor that includes a first plurality of turbine blade rows configured to rotate in a first direction, and rotatably coupling a low-pressure turbine outer rotor to the inner rotor, wherein the outer rotor includes a...

20060093468 - Counter-rotating gas turbine engine and method of assembling same: A method for assembling a gas turbine engine includes providing a low-pressure turbine inner rotor that includes at least a first pair of adjacent rows of turbine blades that are configured to rotate in a first direction providing a low-pressure turbine outer rotor that includes a forward end, an aft...

20060093469 - Counter-rotating gas turbine engine and method of assembling same: A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor that includes a first plurality of rows of turbine blades configured to rotate in a first rotational direction, providing a low-pressure turbine outer rotor that includes a second plurality of rows of turbine blades...

20060093466 - Counter-rotating turbine engine and method of assembling same: A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor configured to rotate in a first direction, providing a low-pressure turbine outer rotor configured to rotate in a second direction that is opposite the first rotational direction, and coupling at least one foil bearing...

20060093465 - Gas turbine engine and method of assembling same: A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor that includes a first plurality of turbine blade rows configured to rotate in a first direction, providing a low-pressure turbine outer rotor that includes a second plurality of turbine blade rows configured to rotate...

20060093470 - Turbine distributor part supplied with cooling air: The invention relates to a part (110) of the distributor of the first stage of a turbojet low-pressure turbine. A part of this type comprises an outer platform segment (104) and an inner platform segment (102) between which a plurality of hollow blades (106), intended to be supplied with cooling...

20060093471 - Braided wire damper for segmented stator/rotor and method: The segments of the vanes of a stator and the blades of a rotor for a gas turbine engine are dampened by utilizing braided wire cable that is affixed to adjacent segments such that each of the wire strands forming the cable is allowed to move relative to each other...

20060093472 - Blower structure: A blower structure including a housing having a wind outlet and two wind inlets formed on two sideboards of the housing. One of the sideboards has an outward extending bracket section on which a motor is fixed. An outer diameter of the motor is smaller than a diameter of the...

20060093473 - Integrated turbo/drag/regenerative pump with counter-rotating turbo blades: The present invention relates to vacuum pumps and a method for creating and maintaining a high vacuum. A vacuum pump includes a regenerative section and a turbo-molecular section. A common first rotor carries forward-rotating elements of both the regenerative section and the turbo-molecular section. Additionally, a second rotor carries counter-rotating...

20060093474 - Cooling apparatus with a mesh structure: A cooling apparatus with a mesh structure for cooling a lampwick of a projector. The cooling apparatus includes a blower, an adjustable air duct disposed at an outlet of the blower. The adjustable air duct further includes an air duct portion, a guiding portion, and a mesh structure. The blower...

20060093475 - Fan with central intake: A fan with central intake comprises a fan frame, a fan wheel and a driving device. The fan frame provides a hub seat with a passage for fluid flowing through and a joining part in the passage. The fan wheel is received in the fan frame and provides a hub...

20060093476 - Fan stator: According to some embodiments, an apparatus includes a housing, a hub, and a plurality of airfoils, each of the plurality of airfoils having a leading edge, a trailing edge, a first end, and a second end, wherein the first end of each of the plurality of airfoils is fixedly coupled...

20060093477 - Centrifugal compressor having rotatable compressor case insert: A centrifugal compressor is disclosed as including a case, a compressor chamber, and an impeller in the compressor chamber for compressing fluid from an inlet opening and forcing compressed fluid through an outlet opening. Moreover, the compressor includes an insert rotatably supported on the case. The insert is adjacent the...

20060093478 - Guide device of an axial flow fan: An axial flow fan comprises a fan frame and a fan blade wheel. The fan flame has an inlet and an outlet with a support device at the outlet. The fan blade wheel is received in the fan frame. The support device at least has a guide flow device to...

20060093479 - Pressure-boosting axial-flow heat-dissipating fan: A pressure-boosting axial-flow heat-dissipating fan includes a housing and an impeller. The housing includes an annular wall including an air inlet in a first end thereof and an air outlet in a second end thereof. A base and a pressure-boosting device are mounted in the air outlet. The impeller is...