Class / Patent application number | Description | Number of patent applications / Date published |
416197000 | CUPPED REACTION SURFACE NORMAL TO ROTATION PLANE | 24 |
20120099994 | VERTICAL-AXIS WIND ROTOR - This present invention relates to a wind rotor with a vertical shaft, formed by means of a vertical shaft ( | 04-26-2012 |
20120121426 | VENTILATION FAN - In a ventilation fan of inner rotor type in which a shaft is fixed to a motor supporting portion, the shaft is held by a shaft holding portion preferably provided by, for example, a metal member. The shaft holding portion includes a cylindrical portion which is fixed to a resin of the motor supporting portion preferably by being embedded through insert molding and into which the shaft is inserted, and a shaft holding flange portion extending outwards in the radial direction from either one of an upper end or a lower end of the cylindrical portion. | 05-17-2012 |
20140186186 | Hydraulic Machine - The invention relates to a hydraulic machine having an impeller wheel that comprises a plurality of impeller blades; having a spiral housing that encloses the impeller wheel and that is open toward said impeller wheel by a circumferential slit formed by two circumferential edges; having a traverse ring, comprising two traverse ring decks that are connected to one another by tension anchors; wherein the spiral housing is composed of segments that meet in the flow direction and that are welded to each other, the ends of which segments stand on the respective traverse ring deck and are welded to said deck; wherein at the meeting point between two segments that are adjacent to one another and one traverse ring deck a stiffening element is provided that protrudes into the inner space of the spiral housing; and wherein the extension of the stiffening element into the inner space of the spiral housing is so small that the flow is not affected in a significant manner. | 07-03-2014 |
20080273978 | Vertical axis omni-directional wind turbine - A vertical axis wind turbine with a rotor driven by a group of vanes that assure starting at low speeds, efficiently generates electricity at all wind speeds, especially under circumstances that include abrupt increases in the wind velocity. | 11-06-2008 |
20090060744 | Vertical Axis Self-Breaking Wind Turbine - A vertical axis wind turbine which includes a rotor having three radially extending blades spaced at even intervals about a central axis. Each radially blade having an outer edge that lies on an imaginary circle of a first diameter. Each radially extending blade including a plurality of spaced airfoil sub-blades separated by gaps for the passage of air therethrough. Each of sub-blade having a leading vertical edge, and a trailing vertical edge and being positioned with the trailing vertical edge along a common radius line of the imaginary circle. Each sub-blade is skewed such that its cord line is rotated negative 45 degrees with respect the radius of the imaginary circle. The airfoil sub-blades maximize energy production by creating a secondary wind flow of a higher velocity for impingement upon blades of the rotor, and utilize backpressure during the second half of a rotation cycle to efficiently break the rotor against overspeed. | 03-05-2009 |
20090246027 | WIND/FLUID TURBINE - A wind turbine is provided which comprises a plurality of blades and a single venturi disposed at a central area of the plurality of blades. The single venturi redirects the wind from a concave side of an active blade to the concave sides of the other blades. Also, the single venturi reduces turbulent flow of air out of the venturi and redirects the flow of air against the adjacent blades. | 10-01-2009 |
20090285688 | Double wind turbine - This turbine is really two turbines in one. One turbine inside the other. The outer turbine is compose of vanes parallel to the axis of rotation This outer turbine will rotate because the left side is always opened to the wind, because of the 45 degrees that the vanes have with respect to the diameter of the outer turbine and will interact with the wind. On the right side the vanes are overlapping and will have little interaction with the wind. The inner turbine composed of vertical vanes will rotate because on the left side the wind is entering the turbine and pushing the inner turbine as it turns away from the wind. On the right side the inner turbine is turning into the wind, but it is being shield by the overlapping effect of outer turbine's vanes. This interaction of the two turbines will increase the overall efficiency of this turbine. | 11-19-2009 |
20090285689 | Vertical Axis Wind Turbine Having Angled Leading Edge - A vertical axis wind turbine comprising at least two overlapping rotor portions, each having a curved or semi-circular horizontal cross-section, each rotor portion having an outer leading edge that is angled relative to vertical from bottom to top in the direction of rotation of the wind turbine. The magnitude of the angle is in the range of from 5 to 30°. The angled leading edge improves aerodynamic performance of the wind turbine relative to the absence of the angle, particularly for turbines with three or more rotor portions. | 11-19-2009 |
20090304512 | WIND TURBINE APPARATUS - There is provided a wind turbine apparatus which comprises blades having an aerofoil profile. The apparatus is arranged to start up even in light wind conditions and to act as a lift type device at higher rotational speeds. The apparatus may comprise wind deflectors to concentrate wind through the apparatus. Further, the blades may be orientated at less than 90° to a radius line which leads to improved performance. Still further, the apparatus may be arranged to heat water by means of solar energy. | 12-10-2009 |
20100092296 | Fluid Energy Conversion Device - A fluid energy conversion device comprising a plurality of adjacent fluid catching modules that may be disposed about a central drive shaft, wherein the central drive shaft may be rotatably secured to a support frame. Each of the plurality of adjacent fluid catching modules may comprise two intake elements having a first fluid capturing aperture, an overlap portion, and a second fluid capturing aperture facing a direction opposite to that of the first fluid catching aperture. Adjacent fluid catching modules may be offset from each other by a predetermined angular position, thus allowing for at least one fluid catching aperture to be facing a directional fluid energy source at all times. The plurality of fluid catching modules may comprise different widths and form an overall conical configuration or the plurality of fluid catching modules may comprise equivalent widths and form an overall cylindrical configuration. | 04-15-2010 |
20110027089 | Turbine assembly and energy transfer method - A turbine assembly comprises 2 or more symmetrical vanes or blades attached to a centralized shaft. The assembly may be placed into a fluid current for transferring energy therefrom. Each blade has a scoop with a relatively broader span at the top end and a relatively narrow span at the bottom, which scoop-like vane or blade resembles an inverted tear drop. Eighty-six percent of the potential energy vector is captured within the blade assembly. One end may be connected to a power generation device that will create electrical power when rotated. Certain energy transferring methodology is believed further supported by the vane or blade designed incorporated into the overall turbine assembly. | 02-03-2011 |
20110116930 | Vertical Axis Wind Turbine - A vertical axis wind turbine comprising at least two rotor portions, each portion having a bottom, a top, and a curved horizontal cross section when seen in top view. A top cap may be provided that has a convex portion corresponding to each rotor portion that extends forwardly in a windward direction. Each rotor portion may comprise two angled rotor sections that meet at substantially a vertical midpoint of the rotor portion. The angled sections may be angled rearwardly in a leeward direction and/or radially and may be angled from 1 to 20 degrees with respect to vertical. There may be three or more rotor portions and the turbine may be comprised of one or more vertically stacked sections. | 05-19-2011 |
20110311364 | Balanced Lift Wind Turbine - A vertical axis wind turbine that utilizes a unique semi-circular, angled, scoop design and frame to fully harness wind energy. The shape of the scoops maximizes wind collection while minimizing wind resistance. The angle of the scoops allows the wind turbine to catch wind, including updrafts, to produce a rotational and balanced lifting force on the scoop system. This balanced lift is possible due to a stable frame which maintains a fixed position of the vertical axis. | 12-22-2011 |
20120009068 | LOW-HEAD ORTHOGONAL TURBINE - The invention relates to wind and hydraulic power engineering and can be used at tidal power plants, low-head river hydroelectric plants, wave power plants, and wind power plants to increase turbine efficiency by further reducing the relative power of idle jets in the flow chamber of an orthogonal turbine. The turbine comprises a rotor with wing-shaped profile blades mounted transversely in the flow chamber. The chamber has a transverse protrusion the upper face of which borders, with clearance, the surface of the cylinder defined by blades. In the cross-section perpendicular to the axis of the rotor, the side face of the transverse protrusion facing the inlet opening of the flow chamber is made concave, and tangent to this face forms an acute angle, with a straight line segment connecting the tangency point with the axis of the rotor, in the direction of the inlet opening of the flow chamber. | 01-12-2012 |
20140050588 | DEVICE FOR USING WIND POWER HAVING AT LEAST ONE ROTOR - For a device for using wind power having at least one rotor, wherein the rotor has a rotor shaft having a vertically arranged rotational axis and at least three support frames each having at least one rotor blade are arranged on the rotor shaft and the rotor blades are offset from each other by the same angle in the rotational direction of the rotor, the rotor blades are arranged at a radial distance from the rotor shaft. At least one wind passage is formed between the rotor shaft and each of the rotor blades. Thus a device having high efficiency is created. | 02-20-2014 |
20150037157 | COMPOSITE PROPELLER BLADE STRUCTURE - A composite propeller blade structure includes at least a rotation shaft and a rotation surface on which plural blades are formed, and characterized in that: each of the blades is composed of plural blade units; and in the equivalent radius cross section of each of the blades, the installed location of a front edge of the blade unit at the downstream is defined as following: in the rotation axial direction, which is located behind a rear edge of the adjacent blade unit at the upstream, and the maximum distance thereof is not greater than 25% of the radius of the adjacent blade unit at the upstream; and in the circumferential direction, located at the pressure surface side defined on the nose-trail line of the adjacent blade unit at the upstream, and the maximum range thereof is not greater than (360°/2N), wherein N is the quantity of the blades. | 02-05-2015 |
20150110627 | BLADE BUCKET STRUCTURE FOR SAVONIUS TURBINE - Disclosed herein is a blade bucket structure for Savonius turbines. In the blade bucket structure, blade buckets on which resistance resulting from the flow of fluid occurs, are provided with a separated flow retardation means for reducing pressure drag force impeding rotation of a Savonius turbine. The separated flow retardation means can reduce resistance that acts in a direction opposite to the direction of rotation of the Savonius turbine because of variation in orientation of the blade buckets while rotating. | 04-23-2015 |
20160003218 | VANE DEVICE FOR A TURBINE APPARATUS - A vane device is adapted for use in a turbine apparatus, and includes a rotary shaft and a plurality of angularly spaced-apart vane units. The rotary shaft is rotatable in a rotational direction. The vane units are connected to the rotary shaft. Each of the vane units includes a grid frame and a plurality of spaced-apart cup members. The grid frame is connected to the rotary shaft. The cup members are arranged in an array and are connected to the grid frame. Each of the cup members has an inner surface that defines a receiving space, and an outer surface that is opposite to the inner surface and that faces toward the rotational direction. | 01-07-2016 |
20160121985 | MARINE PROPELLER BLADES WITH REVERSE CUPPING - A propeller has a plurality of blades extending radially outwardly of a hub and a plurality of cups respectively affixed to the plurality of blades. Each of the plurality of blades has a facing surface and a back surface. The blade has a leading edge and a trailing edge. The cup is affixed to the back surface of the blade in spaced relation to the trailing edge and in spaced relation to the outer edge. The cup is affixed to a greatest thickness of the blade. The cup has a curvature corresponding to a curvature of the blade. The blade is positioned at approximately ⅔ of a width dimension from the leading edge. | 05-05-2016 |
20160169196 | VERTICAL AXIS WIND TURBINE | 06-16-2016 |
20100254814 | PELTON TURBINE WHEEL, METHOD FOR MAKING SAME AND PELTON TURBINE INCLUDING SUCH WHEEL - The invention relates to a Pelton turbine that comprises a plurality of sub-assemblies arranged about the rotation axis of the wheel and each including a bucket ( | 10-07-2010 |
20090155078 | Brazed torque converter pump hub assembly and method of fabrication - The invention relates to a more efficient and cost effective method of bonding pump blades and a pump hub to an impeller of a torque converter by the steps of initially assembling the pump blades and the pump hub adjacent and in close proximity to the impeller and bonding the pump hub and the pump blades to the impeller simultaneously while also eliminating the potential for surface defects through multiple heating steps. The invention includes the more efficient methods of manufacturing, but also the brazed/welded assemblies and torque converters comprising the assemblies. | 06-18-2009 |
20100178172 | TORQUE CONVERTER - A torque converter, which includes an impeller, a turbine, and a stator, is disclosed. The impeller receives torque and rotates about its axis. The turbine is coaxial with the impeller and arranged to be rotatable at a position facing toward the impeller. The stator is arranged between the impeller and the turbine and includes a stator blade, which regulates the flow of fluid contained between the impeller and the turbine from the turbine to the impeller. A torus is formed by the impeller, the turbine, and the stator. The fluid contained in the torus transmits torque between the impeller and the turbine. A torus inner-outer diameter ratio, which is the ratio of an inner diameter and an outer diameter of the torus, is set in a range of 0.55 to 0.68. An exit angle, which is an inclination angle of a portion of the stator blade facing toward the impeller relative to axes of the impeller and the turbine, is set in a range of 30° to 40°. | 07-15-2010 |
20150037158 | TORQUE CONVERTER WITH STAMPED STATOR - A stamped stator for a torque converter includes a first blade plate, a second blade plate, an outer race, at least one wedge plate, and an inner race. The first blade plate includes a first blade portion, a first radial wall connected to the first blade portion, a first plurality of radially inwardly extending tabs, and a second radially inwardly extending surface. The second blade plate includes a second blade portion axially aligned with the first blade portion, and a second radial wall axially aligned with the first radial wall. The outer race is disposed axially between the first and second blade plates and includes a third radial wall radially and axially aligned with the first radial wall, a fourth radial wall radially and axially aligned with the second radial wall, and an inwardly facing circumferential notch. | 02-05-2015 |
416197000 | Air and water motors (natural fluid current) | 17 |
20120099994 | VERTICAL-AXIS WIND ROTOR - This present invention relates to a wind rotor with a vertical shaft, formed by means of a vertical shaft ( | 04-26-2012 |
20120121426 | VENTILATION FAN - In a ventilation fan of inner rotor type in which a shaft is fixed to a motor supporting portion, the shaft is held by a shaft holding portion preferably provided by, for example, a metal member. The shaft holding portion includes a cylindrical portion which is fixed to a resin of the motor supporting portion preferably by being embedded through insert molding and into which the shaft is inserted, and a shaft holding flange portion extending outwards in the radial direction from either one of an upper end or a lower end of the cylindrical portion. | 05-17-2012 |
20140186186 | Hydraulic Machine - The invention relates to a hydraulic machine having an impeller wheel that comprises a plurality of impeller blades; having a spiral housing that encloses the impeller wheel and that is open toward said impeller wheel by a circumferential slit formed by two circumferential edges; having a traverse ring, comprising two traverse ring decks that are connected to one another by tension anchors; wherein the spiral housing is composed of segments that meet in the flow direction and that are welded to each other, the ends of which segments stand on the respective traverse ring deck and are welded to said deck; wherein at the meeting point between two segments that are adjacent to one another and one traverse ring deck a stiffening element is provided that protrudes into the inner space of the spiral housing; and wherein the extension of the stiffening element into the inner space of the spiral housing is so small that the flow is not affected in a significant manner. | 07-03-2014 |
20080273978 | Vertical axis omni-directional wind turbine - A vertical axis wind turbine with a rotor driven by a group of vanes that assure starting at low speeds, efficiently generates electricity at all wind speeds, especially under circumstances that include abrupt increases in the wind velocity. | 11-06-2008 |
20090060744 | Vertical Axis Self-Breaking Wind Turbine - A vertical axis wind turbine which includes a rotor having three radially extending blades spaced at even intervals about a central axis. Each radially blade having an outer edge that lies on an imaginary circle of a first diameter. Each radially extending blade including a plurality of spaced airfoil sub-blades separated by gaps for the passage of air therethrough. Each of sub-blade having a leading vertical edge, and a trailing vertical edge and being positioned with the trailing vertical edge along a common radius line of the imaginary circle. Each sub-blade is skewed such that its cord line is rotated negative 45 degrees with respect the radius of the imaginary circle. The airfoil sub-blades maximize energy production by creating a secondary wind flow of a higher velocity for impingement upon blades of the rotor, and utilize backpressure during the second half of a rotation cycle to efficiently break the rotor against overspeed. | 03-05-2009 |
20090246027 | WIND/FLUID TURBINE - A wind turbine is provided which comprises a plurality of blades and a single venturi disposed at a central area of the plurality of blades. The single venturi redirects the wind from a concave side of an active blade to the concave sides of the other blades. Also, the single venturi reduces turbulent flow of air out of the venturi and redirects the flow of air against the adjacent blades. | 10-01-2009 |
20090285688 | Double wind turbine - This turbine is really two turbines in one. One turbine inside the other. The outer turbine is compose of vanes parallel to the axis of rotation This outer turbine will rotate because the left side is always opened to the wind, because of the 45 degrees that the vanes have with respect to the diameter of the outer turbine and will interact with the wind. On the right side the vanes are overlapping and will have little interaction with the wind. The inner turbine composed of vertical vanes will rotate because on the left side the wind is entering the turbine and pushing the inner turbine as it turns away from the wind. On the right side the inner turbine is turning into the wind, but it is being shield by the overlapping effect of outer turbine's vanes. This interaction of the two turbines will increase the overall efficiency of this turbine. | 11-19-2009 |
20090285689 | Vertical Axis Wind Turbine Having Angled Leading Edge - A vertical axis wind turbine comprising at least two overlapping rotor portions, each having a curved or semi-circular horizontal cross-section, each rotor portion having an outer leading edge that is angled relative to vertical from bottom to top in the direction of rotation of the wind turbine. The magnitude of the angle is in the range of from 5 to 30°. The angled leading edge improves aerodynamic performance of the wind turbine relative to the absence of the angle, particularly for turbines with three or more rotor portions. | 11-19-2009 |
20090304512 | WIND TURBINE APPARATUS - There is provided a wind turbine apparatus which comprises blades having an aerofoil profile. The apparatus is arranged to start up even in light wind conditions and to act as a lift type device at higher rotational speeds. The apparatus may comprise wind deflectors to concentrate wind through the apparatus. Further, the blades may be orientated at less than 90° to a radius line which leads to improved performance. Still further, the apparatus may be arranged to heat water by means of solar energy. | 12-10-2009 |
20100092296 | Fluid Energy Conversion Device - A fluid energy conversion device comprising a plurality of adjacent fluid catching modules that may be disposed about a central drive shaft, wherein the central drive shaft may be rotatably secured to a support frame. Each of the plurality of adjacent fluid catching modules may comprise two intake elements having a first fluid capturing aperture, an overlap portion, and a second fluid capturing aperture facing a direction opposite to that of the first fluid catching aperture. Adjacent fluid catching modules may be offset from each other by a predetermined angular position, thus allowing for at least one fluid catching aperture to be facing a directional fluid energy source at all times. The plurality of fluid catching modules may comprise different widths and form an overall conical configuration or the plurality of fluid catching modules may comprise equivalent widths and form an overall cylindrical configuration. | 04-15-2010 |
20110027089 | Turbine assembly and energy transfer method - A turbine assembly comprises 2 or more symmetrical vanes or blades attached to a centralized shaft. The assembly may be placed into a fluid current for transferring energy therefrom. Each blade has a scoop with a relatively broader span at the top end and a relatively narrow span at the bottom, which scoop-like vane or blade resembles an inverted tear drop. Eighty-six percent of the potential energy vector is captured within the blade assembly. One end may be connected to a power generation device that will create electrical power when rotated. Certain energy transferring methodology is believed further supported by the vane or blade designed incorporated into the overall turbine assembly. | 02-03-2011 |
20110116930 | Vertical Axis Wind Turbine - A vertical axis wind turbine comprising at least two rotor portions, each portion having a bottom, a top, and a curved horizontal cross section when seen in top view. A top cap may be provided that has a convex portion corresponding to each rotor portion that extends forwardly in a windward direction. Each rotor portion may comprise two angled rotor sections that meet at substantially a vertical midpoint of the rotor portion. The angled sections may be angled rearwardly in a leeward direction and/or radially and may be angled from 1 to 20 degrees with respect to vertical. There may be three or more rotor portions and the turbine may be comprised of one or more vertically stacked sections. | 05-19-2011 |
20110311364 | Balanced Lift Wind Turbine - A vertical axis wind turbine that utilizes a unique semi-circular, angled, scoop design and frame to fully harness wind energy. The shape of the scoops maximizes wind collection while minimizing wind resistance. The angle of the scoops allows the wind turbine to catch wind, including updrafts, to produce a rotational and balanced lifting force on the scoop system. This balanced lift is possible due to a stable frame which maintains a fixed position of the vertical axis. | 12-22-2011 |
20120009068 | LOW-HEAD ORTHOGONAL TURBINE - The invention relates to wind and hydraulic power engineering and can be used at tidal power plants, low-head river hydroelectric plants, wave power plants, and wind power plants to increase turbine efficiency by further reducing the relative power of idle jets in the flow chamber of an orthogonal turbine. The turbine comprises a rotor with wing-shaped profile blades mounted transversely in the flow chamber. The chamber has a transverse protrusion the upper face of which borders, with clearance, the surface of the cylinder defined by blades. In the cross-section perpendicular to the axis of the rotor, the side face of the transverse protrusion facing the inlet opening of the flow chamber is made concave, and tangent to this face forms an acute angle, with a straight line segment connecting the tangency point with the axis of the rotor, in the direction of the inlet opening of the flow chamber. | 01-12-2012 |
20140050588 | DEVICE FOR USING WIND POWER HAVING AT LEAST ONE ROTOR - For a device for using wind power having at least one rotor, wherein the rotor has a rotor shaft having a vertically arranged rotational axis and at least three support frames each having at least one rotor blade are arranged on the rotor shaft and the rotor blades are offset from each other by the same angle in the rotational direction of the rotor, the rotor blades are arranged at a radial distance from the rotor shaft. At least one wind passage is formed between the rotor shaft and each of the rotor blades. Thus a device having high efficiency is created. | 02-20-2014 |
20150037157 | COMPOSITE PROPELLER BLADE STRUCTURE - A composite propeller blade structure includes at least a rotation shaft and a rotation surface on which plural blades are formed, and characterized in that: each of the blades is composed of plural blade units; and in the equivalent radius cross section of each of the blades, the installed location of a front edge of the blade unit at the downstream is defined as following: in the rotation axial direction, which is located behind a rear edge of the adjacent blade unit at the upstream, and the maximum distance thereof is not greater than 25% of the radius of the adjacent blade unit at the upstream; and in the circumferential direction, located at the pressure surface side defined on the nose-trail line of the adjacent blade unit at the upstream, and the maximum range thereof is not greater than (360°/2N), wherein N is the quantity of the blades. | 02-05-2015 |
20150110627 | BLADE BUCKET STRUCTURE FOR SAVONIUS TURBINE - Disclosed herein is a blade bucket structure for Savonius turbines. In the blade bucket structure, blade buckets on which resistance resulting from the flow of fluid occurs, are provided with a separated flow retardation means for reducing pressure drag force impeding rotation of a Savonius turbine. The separated flow retardation means can reduce resistance that acts in a direction opposite to the direction of rotation of the Savonius turbine because of variation in orientation of the blade buckets while rotating. | 04-23-2015 |
20160003218 | VANE DEVICE FOR A TURBINE APPARATUS - A vane device is adapted for use in a turbine apparatus, and includes a rotary shaft and a plurality of angularly spaced-apart vane units. The rotary shaft is rotatable in a rotational direction. The vane units are connected to the rotary shaft. Each of the vane units includes a grid frame and a plurality of spaced-apart cup members. The grid frame is connected to the rotary shaft. The cup members are arranged in an array and are connected to the grid frame. Each of the cup members has an inner surface that defines a receiving space, and an outer surface that is opposite to the inner surface and that faces toward the rotational direction. | 01-07-2016 |
20160121985 | MARINE PROPELLER BLADES WITH REVERSE CUPPING - A propeller has a plurality of blades extending radially outwardly of a hub and a plurality of cups respectively affixed to the plurality of blades. Each of the plurality of blades has a facing surface and a back surface. The blade has a leading edge and a trailing edge. The cup is affixed to the back surface of the blade in spaced relation to the trailing edge and in spaced relation to the outer edge. The cup is affixed to a greatest thickness of the blade. The cup has a curvature corresponding to a curvature of the blade. The blade is positioned at approximately ⅔ of a width dimension from the leading edge. | 05-05-2016 |
20160169196 | VERTICAL AXIS WIND TURBINE | 06-16-2016 |
20100254814 | PELTON TURBINE WHEEL, METHOD FOR MAKING SAME AND PELTON TURBINE INCLUDING SUCH WHEEL - The invention relates to a Pelton turbine that comprises a plurality of sub-assemblies arranged about the rotation axis of the wheel and each including a bucket ( | 10-07-2010 |
20090155078 | Brazed torque converter pump hub assembly and method of fabrication - The invention relates to a more efficient and cost effective method of bonding pump blades and a pump hub to an impeller of a torque converter by the steps of initially assembling the pump blades and the pump hub adjacent and in close proximity to the impeller and bonding the pump hub and the pump blades to the impeller simultaneously while also eliminating the potential for surface defects through multiple heating steps. The invention includes the more efficient methods of manufacturing, but also the brazed/welded assemblies and torque converters comprising the assemblies. | 06-18-2009 |
20100178172 | TORQUE CONVERTER - A torque converter, which includes an impeller, a turbine, and a stator, is disclosed. The impeller receives torque and rotates about its axis. The turbine is coaxial with the impeller and arranged to be rotatable at a position facing toward the impeller. The stator is arranged between the impeller and the turbine and includes a stator blade, which regulates the flow of fluid contained between the impeller and the turbine from the turbine to the impeller. A torus is formed by the impeller, the turbine, and the stator. The fluid contained in the torus transmits torque between the impeller and the turbine. A torus inner-outer diameter ratio, which is the ratio of an inner diameter and an outer diameter of the torus, is set in a range of 0.55 to 0.68. An exit angle, which is an inclination angle of a portion of the stator blade facing toward the impeller relative to axes of the impeller and the turbine, is set in a range of 30° to 40°. | 07-15-2010 |
20150037158 | TORQUE CONVERTER WITH STAMPED STATOR - A stamped stator for a torque converter includes a first blade plate, a second blade plate, an outer race, at least one wedge plate, and an inner race. The first blade plate includes a first blade portion, a first radial wall connected to the first blade portion, a first plurality of radially inwardly extending tabs, and a second radially inwardly extending surface. The second blade plate includes a second blade portion axially aligned with the first blade portion, and a second radial wall axially aligned with the first radial wall. The outer race is disposed axially between the first and second blade plates and includes a third radial wall radially and axially aligned with the first radial wall, a fourth radial wall radially and axially aligned with the second radial wall, and an inwardly facing circumferential notch. | 02-05-2015 |
416197000 | Pelton wheels (impulse wheels) | 1 |
20120099994 | VERTICAL-AXIS WIND ROTOR - This present invention relates to a wind rotor with a vertical shaft, formed by means of a vertical shaft ( | 04-26-2012 |
20120121426 | VENTILATION FAN - In a ventilation fan of inner rotor type in which a shaft is fixed to a motor supporting portion, the shaft is held by a shaft holding portion preferably provided by, for example, a metal member. The shaft holding portion includes a cylindrical portion which is fixed to a resin of the motor supporting portion preferably by being embedded through insert molding and into which the shaft is inserted, and a shaft holding flange portion extending outwards in the radial direction from either one of an upper end or a lower end of the cylindrical portion. | 05-17-2012 |
20140186186 | Hydraulic Machine - The invention relates to a hydraulic machine having an impeller wheel that comprises a plurality of impeller blades; having a spiral housing that encloses the impeller wheel and that is open toward said impeller wheel by a circumferential slit formed by two circumferential edges; having a traverse ring, comprising two traverse ring decks that are connected to one another by tension anchors; wherein the spiral housing is composed of segments that meet in the flow direction and that are welded to each other, the ends of which segments stand on the respective traverse ring deck and are welded to said deck; wherein at the meeting point between two segments that are adjacent to one another and one traverse ring deck a stiffening element is provided that protrudes into the inner space of the spiral housing; and wherein the extension of the stiffening element into the inner space of the spiral housing is so small that the flow is not affected in a significant manner. | 07-03-2014 |
20080273978 | Vertical axis omni-directional wind turbine - A vertical axis wind turbine with a rotor driven by a group of vanes that assure starting at low speeds, efficiently generates electricity at all wind speeds, especially under circumstances that include abrupt increases in the wind velocity. | 11-06-2008 |
20090060744 | Vertical Axis Self-Breaking Wind Turbine - A vertical axis wind turbine which includes a rotor having three radially extending blades spaced at even intervals about a central axis. Each radially blade having an outer edge that lies on an imaginary circle of a first diameter. Each radially extending blade including a plurality of spaced airfoil sub-blades separated by gaps for the passage of air therethrough. Each of sub-blade having a leading vertical edge, and a trailing vertical edge and being positioned with the trailing vertical edge along a common radius line of the imaginary circle. Each sub-blade is skewed such that its cord line is rotated negative 45 degrees with respect the radius of the imaginary circle. The airfoil sub-blades maximize energy production by creating a secondary wind flow of a higher velocity for impingement upon blades of the rotor, and utilize backpressure during the second half of a rotation cycle to efficiently break the rotor against overspeed. | 03-05-2009 |
20090246027 | WIND/FLUID TURBINE - A wind turbine is provided which comprises a plurality of blades and a single venturi disposed at a central area of the plurality of blades. The single venturi redirects the wind from a concave side of an active blade to the concave sides of the other blades. Also, the single venturi reduces turbulent flow of air out of the venturi and redirects the flow of air against the adjacent blades. | 10-01-2009 |
20090285688 | Double wind turbine - This turbine is really two turbines in one. One turbine inside the other. The outer turbine is compose of vanes parallel to the axis of rotation This outer turbine will rotate because the left side is always opened to the wind, because of the 45 degrees that the vanes have with respect to the diameter of the outer turbine and will interact with the wind. On the right side the vanes are overlapping and will have little interaction with the wind. The inner turbine composed of vertical vanes will rotate because on the left side the wind is entering the turbine and pushing the inner turbine as it turns away from the wind. On the right side the inner turbine is turning into the wind, but it is being shield by the overlapping effect of outer turbine's vanes. This interaction of the two turbines will increase the overall efficiency of this turbine. | 11-19-2009 |
20090285689 | Vertical Axis Wind Turbine Having Angled Leading Edge - A vertical axis wind turbine comprising at least two overlapping rotor portions, each having a curved or semi-circular horizontal cross-section, each rotor portion having an outer leading edge that is angled relative to vertical from bottom to top in the direction of rotation of the wind turbine. The magnitude of the angle is in the range of from 5 to 30°. The angled leading edge improves aerodynamic performance of the wind turbine relative to the absence of the angle, particularly for turbines with three or more rotor portions. | 11-19-2009 |
20090304512 | WIND TURBINE APPARATUS - There is provided a wind turbine apparatus which comprises blades having an aerofoil profile. The apparatus is arranged to start up even in light wind conditions and to act as a lift type device at higher rotational speeds. The apparatus may comprise wind deflectors to concentrate wind through the apparatus. Further, the blades may be orientated at less than 90° to a radius line which leads to improved performance. Still further, the apparatus may be arranged to heat water by means of solar energy. | 12-10-2009 |
20100092296 | Fluid Energy Conversion Device - A fluid energy conversion device comprising a plurality of adjacent fluid catching modules that may be disposed about a central drive shaft, wherein the central drive shaft may be rotatably secured to a support frame. Each of the plurality of adjacent fluid catching modules may comprise two intake elements having a first fluid capturing aperture, an overlap portion, and a second fluid capturing aperture facing a direction opposite to that of the first fluid catching aperture. Adjacent fluid catching modules may be offset from each other by a predetermined angular position, thus allowing for at least one fluid catching aperture to be facing a directional fluid energy source at all times. The plurality of fluid catching modules may comprise different widths and form an overall conical configuration or the plurality of fluid catching modules may comprise equivalent widths and form an overall cylindrical configuration. | 04-15-2010 |
20110027089 | Turbine assembly and energy transfer method - A turbine assembly comprises 2 or more symmetrical vanes or blades attached to a centralized shaft. The assembly may be placed into a fluid current for transferring energy therefrom. Each blade has a scoop with a relatively broader span at the top end and a relatively narrow span at the bottom, which scoop-like vane or blade resembles an inverted tear drop. Eighty-six percent of the potential energy vector is captured within the blade assembly. One end may be connected to a power generation device that will create electrical power when rotated. Certain energy transferring methodology is believed further supported by the vane or blade designed incorporated into the overall turbine assembly. | 02-03-2011 |
20110116930 | Vertical Axis Wind Turbine - A vertical axis wind turbine comprising at least two rotor portions, each portion having a bottom, a top, and a curved horizontal cross section when seen in top view. A top cap may be provided that has a convex portion corresponding to each rotor portion that extends forwardly in a windward direction. Each rotor portion may comprise two angled rotor sections that meet at substantially a vertical midpoint of the rotor portion. The angled sections may be angled rearwardly in a leeward direction and/or radially and may be angled from 1 to 20 degrees with respect to vertical. There may be three or more rotor portions and the turbine may be comprised of one or more vertically stacked sections. | 05-19-2011 |
20110311364 | Balanced Lift Wind Turbine - A vertical axis wind turbine that utilizes a unique semi-circular, angled, scoop design and frame to fully harness wind energy. The shape of the scoops maximizes wind collection while minimizing wind resistance. The angle of the scoops allows the wind turbine to catch wind, including updrafts, to produce a rotational and balanced lifting force on the scoop system. This balanced lift is possible due to a stable frame which maintains a fixed position of the vertical axis. | 12-22-2011 |
20120009068 | LOW-HEAD ORTHOGONAL TURBINE - The invention relates to wind and hydraulic power engineering and can be used at tidal power plants, low-head river hydroelectric plants, wave power plants, and wind power plants to increase turbine efficiency by further reducing the relative power of idle jets in the flow chamber of an orthogonal turbine. The turbine comprises a rotor with wing-shaped profile blades mounted transversely in the flow chamber. The chamber has a transverse protrusion the upper face of which borders, with clearance, the surface of the cylinder defined by blades. In the cross-section perpendicular to the axis of the rotor, the side face of the transverse protrusion facing the inlet opening of the flow chamber is made concave, and tangent to this face forms an acute angle, with a straight line segment connecting the tangency point with the axis of the rotor, in the direction of the inlet opening of the flow chamber. | 01-12-2012 |
20140050588 | DEVICE FOR USING WIND POWER HAVING AT LEAST ONE ROTOR - For a device for using wind power having at least one rotor, wherein the rotor has a rotor shaft having a vertically arranged rotational axis and at least three support frames each having at least one rotor blade are arranged on the rotor shaft and the rotor blades are offset from each other by the same angle in the rotational direction of the rotor, the rotor blades are arranged at a radial distance from the rotor shaft. At least one wind passage is formed between the rotor shaft and each of the rotor blades. Thus a device having high efficiency is created. | 02-20-2014 |
20150037157 | COMPOSITE PROPELLER BLADE STRUCTURE - A composite propeller blade structure includes at least a rotation shaft and a rotation surface on which plural blades are formed, and characterized in that: each of the blades is composed of plural blade units; and in the equivalent radius cross section of each of the blades, the installed location of a front edge of the blade unit at the downstream is defined as following: in the rotation axial direction, which is located behind a rear edge of the adjacent blade unit at the upstream, and the maximum distance thereof is not greater than 25% of the radius of the adjacent blade unit at the upstream; and in the circumferential direction, located at the pressure surface side defined on the nose-trail line of the adjacent blade unit at the upstream, and the maximum range thereof is not greater than (360°/2N), wherein N is the quantity of the blades. | 02-05-2015 |
20150110627 | BLADE BUCKET STRUCTURE FOR SAVONIUS TURBINE - Disclosed herein is a blade bucket structure for Savonius turbines. In the blade bucket structure, blade buckets on which resistance resulting from the flow of fluid occurs, are provided with a separated flow retardation means for reducing pressure drag force impeding rotation of a Savonius turbine. The separated flow retardation means can reduce resistance that acts in a direction opposite to the direction of rotation of the Savonius turbine because of variation in orientation of the blade buckets while rotating. | 04-23-2015 |
20160003218 | VANE DEVICE FOR A TURBINE APPARATUS - A vane device is adapted for use in a turbine apparatus, and includes a rotary shaft and a plurality of angularly spaced-apart vane units. The rotary shaft is rotatable in a rotational direction. The vane units are connected to the rotary shaft. Each of the vane units includes a grid frame and a plurality of spaced-apart cup members. The grid frame is connected to the rotary shaft. The cup members are arranged in an array and are connected to the grid frame. Each of the cup members has an inner surface that defines a receiving space, and an outer surface that is opposite to the inner surface and that faces toward the rotational direction. | 01-07-2016 |
20160121985 | MARINE PROPELLER BLADES WITH REVERSE CUPPING - A propeller has a plurality of blades extending radially outwardly of a hub and a plurality of cups respectively affixed to the plurality of blades. Each of the plurality of blades has a facing surface and a back surface. The blade has a leading edge and a trailing edge. The cup is affixed to the back surface of the blade in spaced relation to the trailing edge and in spaced relation to the outer edge. The cup is affixed to a greatest thickness of the blade. The cup has a curvature corresponding to a curvature of the blade. The blade is positioned at approximately ⅔ of a width dimension from the leading edge. | 05-05-2016 |
20160169196 | VERTICAL AXIS WIND TURBINE | 06-16-2016 |
20100254814 | PELTON TURBINE WHEEL, METHOD FOR MAKING SAME AND PELTON TURBINE INCLUDING SUCH WHEEL - The invention relates to a Pelton turbine that comprises a plurality of sub-assemblies arranged about the rotation axis of the wheel and each including a bucket ( | 10-07-2010 |
20090155078 | Brazed torque converter pump hub assembly and method of fabrication - The invention relates to a more efficient and cost effective method of bonding pump blades and a pump hub to an impeller of a torque converter by the steps of initially assembling the pump blades and the pump hub adjacent and in close proximity to the impeller and bonding the pump hub and the pump blades to the impeller simultaneously while also eliminating the potential for surface defects through multiple heating steps. The invention includes the more efficient methods of manufacturing, but also the brazed/welded assemblies and torque converters comprising the assemblies. | 06-18-2009 |
20100178172 | TORQUE CONVERTER - A torque converter, which includes an impeller, a turbine, and a stator, is disclosed. The impeller receives torque and rotates about its axis. The turbine is coaxial with the impeller and arranged to be rotatable at a position facing toward the impeller. The stator is arranged between the impeller and the turbine and includes a stator blade, which regulates the flow of fluid contained between the impeller and the turbine from the turbine to the impeller. A torus is formed by the impeller, the turbine, and the stator. The fluid contained in the torus transmits torque between the impeller and the turbine. A torus inner-outer diameter ratio, which is the ratio of an inner diameter and an outer diameter of the torus, is set in a range of 0.55 to 0.68. An exit angle, which is an inclination angle of a portion of the stator blade facing toward the impeller relative to axes of the impeller and the turbine, is set in a range of 30° to 40°. | 07-15-2010 |
20150037158 | TORQUE CONVERTER WITH STAMPED STATOR - A stamped stator for a torque converter includes a first blade plate, a second blade plate, an outer race, at least one wedge plate, and an inner race. The first blade plate includes a first blade portion, a first radial wall connected to the first blade portion, a first plurality of radially inwardly extending tabs, and a second radially inwardly extending surface. The second blade plate includes a second blade portion axially aligned with the first blade portion, and a second radial wall axially aligned with the first radial wall. The outer race is disposed axially between the first and second blade plates and includes a third radial wall radially and axially aligned with the first radial wall, a fourth radial wall radially and axially aligned with the second radial wall, and an inwardly facing circumferential notch. | 02-05-2015 |
416197000 | Torque converters | 3 |
20120099994 | VERTICAL-AXIS WIND ROTOR - This present invention relates to a wind rotor with a vertical shaft, formed by means of a vertical shaft ( | 04-26-2012 |
20120121426 | VENTILATION FAN - In a ventilation fan of inner rotor type in which a shaft is fixed to a motor supporting portion, the shaft is held by a shaft holding portion preferably provided by, for example, a metal member. The shaft holding portion includes a cylindrical portion which is fixed to a resin of the motor supporting portion preferably by being embedded through insert molding and into which the shaft is inserted, and a shaft holding flange portion extending outwards in the radial direction from either one of an upper end or a lower end of the cylindrical portion. | 05-17-2012 |
20140186186 | Hydraulic Machine - The invention relates to a hydraulic machine having an impeller wheel that comprises a plurality of impeller blades; having a spiral housing that encloses the impeller wheel and that is open toward said impeller wheel by a circumferential slit formed by two circumferential edges; having a traverse ring, comprising two traverse ring decks that are connected to one another by tension anchors; wherein the spiral housing is composed of segments that meet in the flow direction and that are welded to each other, the ends of which segments stand on the respective traverse ring deck and are welded to said deck; wherein at the meeting point between two segments that are adjacent to one another and one traverse ring deck a stiffening element is provided that protrudes into the inner space of the spiral housing; and wherein the extension of the stiffening element into the inner space of the spiral housing is so small that the flow is not affected in a significant manner. | 07-03-2014 |
20080273978 | Vertical axis omni-directional wind turbine - A vertical axis wind turbine with a rotor driven by a group of vanes that assure starting at low speeds, efficiently generates electricity at all wind speeds, especially under circumstances that include abrupt increases in the wind velocity. | 11-06-2008 |
20090060744 | Vertical Axis Self-Breaking Wind Turbine - A vertical axis wind turbine which includes a rotor having three radially extending blades spaced at even intervals about a central axis. Each radially blade having an outer edge that lies on an imaginary circle of a first diameter. Each radially extending blade including a plurality of spaced airfoil sub-blades separated by gaps for the passage of air therethrough. Each of sub-blade having a leading vertical edge, and a trailing vertical edge and being positioned with the trailing vertical edge along a common radius line of the imaginary circle. Each sub-blade is skewed such that its cord line is rotated negative 45 degrees with respect the radius of the imaginary circle. The airfoil sub-blades maximize energy production by creating a secondary wind flow of a higher velocity for impingement upon blades of the rotor, and utilize backpressure during the second half of a rotation cycle to efficiently break the rotor against overspeed. | 03-05-2009 |
20090246027 | WIND/FLUID TURBINE - A wind turbine is provided which comprises a plurality of blades and a single venturi disposed at a central area of the plurality of blades. The single venturi redirects the wind from a concave side of an active blade to the concave sides of the other blades. Also, the single venturi reduces turbulent flow of air out of the venturi and redirects the flow of air against the adjacent blades. | 10-01-2009 |
20090285688 | Double wind turbine - This turbine is really two turbines in one. One turbine inside the other. The outer turbine is compose of vanes parallel to the axis of rotation This outer turbine will rotate because the left side is always opened to the wind, because of the 45 degrees that the vanes have with respect to the diameter of the outer turbine and will interact with the wind. On the right side the vanes are overlapping and will have little interaction with the wind. The inner turbine composed of vertical vanes will rotate because on the left side the wind is entering the turbine and pushing the inner turbine as it turns away from the wind. On the right side the inner turbine is turning into the wind, but it is being shield by the overlapping effect of outer turbine's vanes. This interaction of the two turbines will increase the overall efficiency of this turbine. | 11-19-2009 |
20090285689 | Vertical Axis Wind Turbine Having Angled Leading Edge - A vertical axis wind turbine comprising at least two overlapping rotor portions, each having a curved or semi-circular horizontal cross-section, each rotor portion having an outer leading edge that is angled relative to vertical from bottom to top in the direction of rotation of the wind turbine. The magnitude of the angle is in the range of from 5 to 30°. The angled leading edge improves aerodynamic performance of the wind turbine relative to the absence of the angle, particularly for turbines with three or more rotor portions. | 11-19-2009 |
20090304512 | WIND TURBINE APPARATUS - There is provided a wind turbine apparatus which comprises blades having an aerofoil profile. The apparatus is arranged to start up even in light wind conditions and to act as a lift type device at higher rotational speeds. The apparatus may comprise wind deflectors to concentrate wind through the apparatus. Further, the blades may be orientated at less than 90° to a radius line which leads to improved performance. Still further, the apparatus may be arranged to heat water by means of solar energy. | 12-10-2009 |
20100092296 | Fluid Energy Conversion Device - A fluid energy conversion device comprising a plurality of adjacent fluid catching modules that may be disposed about a central drive shaft, wherein the central drive shaft may be rotatably secured to a support frame. Each of the plurality of adjacent fluid catching modules may comprise two intake elements having a first fluid capturing aperture, an overlap portion, and a second fluid capturing aperture facing a direction opposite to that of the first fluid catching aperture. Adjacent fluid catching modules may be offset from each other by a predetermined angular position, thus allowing for at least one fluid catching aperture to be facing a directional fluid energy source at all times. The plurality of fluid catching modules may comprise different widths and form an overall conical configuration or the plurality of fluid catching modules may comprise equivalent widths and form an overall cylindrical configuration. | 04-15-2010 |
20110027089 | Turbine assembly and energy transfer method - A turbine assembly comprises 2 or more symmetrical vanes or blades attached to a centralized shaft. The assembly may be placed into a fluid current for transferring energy therefrom. Each blade has a scoop with a relatively broader span at the top end and a relatively narrow span at the bottom, which scoop-like vane or blade resembles an inverted tear drop. Eighty-six percent of the potential energy vector is captured within the blade assembly. One end may be connected to a power generation device that will create electrical power when rotated. Certain energy transferring methodology is believed further supported by the vane or blade designed incorporated into the overall turbine assembly. | 02-03-2011 |
20110116930 | Vertical Axis Wind Turbine - A vertical axis wind turbine comprising at least two rotor portions, each portion having a bottom, a top, and a curved horizontal cross section when seen in top view. A top cap may be provided that has a convex portion corresponding to each rotor portion that extends forwardly in a windward direction. Each rotor portion may comprise two angled rotor sections that meet at substantially a vertical midpoint of the rotor portion. The angled sections may be angled rearwardly in a leeward direction and/or radially and may be angled from 1 to 20 degrees with respect to vertical. There may be three or more rotor portions and the turbine may be comprised of one or more vertically stacked sections. | 05-19-2011 |
20110311364 | Balanced Lift Wind Turbine - A vertical axis wind turbine that utilizes a unique semi-circular, angled, scoop design and frame to fully harness wind energy. The shape of the scoops maximizes wind collection while minimizing wind resistance. The angle of the scoops allows the wind turbine to catch wind, including updrafts, to produce a rotational and balanced lifting force on the scoop system. This balanced lift is possible due to a stable frame which maintains a fixed position of the vertical axis. | 12-22-2011 |
20120009068 | LOW-HEAD ORTHOGONAL TURBINE - The invention relates to wind and hydraulic power engineering and can be used at tidal power plants, low-head river hydroelectric plants, wave power plants, and wind power plants to increase turbine efficiency by further reducing the relative power of idle jets in the flow chamber of an orthogonal turbine. The turbine comprises a rotor with wing-shaped profile blades mounted transversely in the flow chamber. The chamber has a transverse protrusion the upper face of which borders, with clearance, the surface of the cylinder defined by blades. In the cross-section perpendicular to the axis of the rotor, the side face of the transverse protrusion facing the inlet opening of the flow chamber is made concave, and tangent to this face forms an acute angle, with a straight line segment connecting the tangency point with the axis of the rotor, in the direction of the inlet opening of the flow chamber. | 01-12-2012 |
20140050588 | DEVICE FOR USING WIND POWER HAVING AT LEAST ONE ROTOR - For a device for using wind power having at least one rotor, wherein the rotor has a rotor shaft having a vertically arranged rotational axis and at least three support frames each having at least one rotor blade are arranged on the rotor shaft and the rotor blades are offset from each other by the same angle in the rotational direction of the rotor, the rotor blades are arranged at a radial distance from the rotor shaft. At least one wind passage is formed between the rotor shaft and each of the rotor blades. Thus a device having high efficiency is created. | 02-20-2014 |
20150037157 | COMPOSITE PROPELLER BLADE STRUCTURE - A composite propeller blade structure includes at least a rotation shaft and a rotation surface on which plural blades are formed, and characterized in that: each of the blades is composed of plural blade units; and in the equivalent radius cross section of each of the blades, the installed location of a front edge of the blade unit at the downstream is defined as following: in the rotation axial direction, which is located behind a rear edge of the adjacent blade unit at the upstream, and the maximum distance thereof is not greater than 25% of the radius of the adjacent blade unit at the upstream; and in the circumferential direction, located at the pressure surface side defined on the nose-trail line of the adjacent blade unit at the upstream, and the maximum range thereof is not greater than (360°/2N), wherein N is the quantity of the blades. | 02-05-2015 |
20150110627 | BLADE BUCKET STRUCTURE FOR SAVONIUS TURBINE - Disclosed herein is a blade bucket structure for Savonius turbines. In the blade bucket structure, blade buckets on which resistance resulting from the flow of fluid occurs, are provided with a separated flow retardation means for reducing pressure drag force impeding rotation of a Savonius turbine. The separated flow retardation means can reduce resistance that acts in a direction opposite to the direction of rotation of the Savonius turbine because of variation in orientation of the blade buckets while rotating. | 04-23-2015 |
20160003218 | VANE DEVICE FOR A TURBINE APPARATUS - A vane device is adapted for use in a turbine apparatus, and includes a rotary shaft and a plurality of angularly spaced-apart vane units. The rotary shaft is rotatable in a rotational direction. The vane units are connected to the rotary shaft. Each of the vane units includes a grid frame and a plurality of spaced-apart cup members. The grid frame is connected to the rotary shaft. The cup members are arranged in an array and are connected to the grid frame. Each of the cup members has an inner surface that defines a receiving space, and an outer surface that is opposite to the inner surface and that faces toward the rotational direction. | 01-07-2016 |
20160121985 | MARINE PROPELLER BLADES WITH REVERSE CUPPING - A propeller has a plurality of blades extending radially outwardly of a hub and a plurality of cups respectively affixed to the plurality of blades. Each of the plurality of blades has a facing surface and a back surface. The blade has a leading edge and a trailing edge. The cup is affixed to the back surface of the blade in spaced relation to the trailing edge and in spaced relation to the outer edge. The cup is affixed to a greatest thickness of the blade. The cup has a curvature corresponding to a curvature of the blade. The blade is positioned at approximately ⅔ of a width dimension from the leading edge. | 05-05-2016 |
20160169196 | VERTICAL AXIS WIND TURBINE | 06-16-2016 |
20100254814 | PELTON TURBINE WHEEL, METHOD FOR MAKING SAME AND PELTON TURBINE INCLUDING SUCH WHEEL - The invention relates to a Pelton turbine that comprises a plurality of sub-assemblies arranged about the rotation axis of the wheel and each including a bucket ( | 10-07-2010 |
20090155078 | Brazed torque converter pump hub assembly and method of fabrication - The invention relates to a more efficient and cost effective method of bonding pump blades and a pump hub to an impeller of a torque converter by the steps of initially assembling the pump blades and the pump hub adjacent and in close proximity to the impeller and bonding the pump hub and the pump blades to the impeller simultaneously while also eliminating the potential for surface defects through multiple heating steps. The invention includes the more efficient methods of manufacturing, but also the brazed/welded assemblies and torque converters comprising the assemblies. | 06-18-2009 |
20100178172 | TORQUE CONVERTER - A torque converter, which includes an impeller, a turbine, and a stator, is disclosed. The impeller receives torque and rotates about its axis. The turbine is coaxial with the impeller and arranged to be rotatable at a position facing toward the impeller. The stator is arranged between the impeller and the turbine and includes a stator blade, which regulates the flow of fluid contained between the impeller and the turbine from the turbine to the impeller. A torus is formed by the impeller, the turbine, and the stator. The fluid contained in the torus transmits torque between the impeller and the turbine. A torus inner-outer diameter ratio, which is the ratio of an inner diameter and an outer diameter of the torus, is set in a range of 0.55 to 0.68. An exit angle, which is an inclination angle of a portion of the stator blade facing toward the impeller relative to axes of the impeller and the turbine, is set in a range of 30° to 40°. | 07-15-2010 |
20150037158 | TORQUE CONVERTER WITH STAMPED STATOR - A stamped stator for a torque converter includes a first blade plate, a second blade plate, an outer race, at least one wedge plate, and an inner race. The first blade plate includes a first blade portion, a first radial wall connected to the first blade portion, a first plurality of radially inwardly extending tabs, and a second radially inwardly extending surface. The second blade plate includes a second blade portion axially aligned with the first blade portion, and a second radial wall axially aligned with the first radial wall. The outer race is disposed axially between the first and second blade plates and includes a third radial wall radially and axially aligned with the first radial wall, a fourth radial wall radially and axially aligned with the second radial wall, and an inwardly facing circumferential notch. | 02-05-2015 |