Class / Patent application number | Description | Number of patent applications / Date published |
416093000 | AMBIENT FLUID OR EXHAUST GAS DIRECTED THROUGH HUB, FAIRING OR HOUSING | 24 |
20090053070 | ROTOR BLADE AND METHOD OF FABRICATING THE SAME - A method for fabricating a rotor blade includes fabricating a rotor blade that includes a dovetail and an airfoil coupled to the dovetail, the airfoil including a first side, a second side, and a plurality of openings extending therethrough, and weaving a composite material through the openings such that the airfoil has an aerodynamic profile that is substantially smooth from an airfoil leading edge to an airfoil trailing edge. | 02-26-2009 |
20090060748 | VENTILATION ARRANGEMENT - A ventilation arrangement for a wind turbine includes an air inlet opening located in a nose cone of said wind turbine, a manhole cover for covering a manhole of a rotor hub of said wind turbine, the manhole cover providing a vent opening for venting hot air from an internal space of said rotor hub, and a flexible piping establishing fluid communication between the internal space of the rotor hub and the air inlet opening. | 03-05-2009 |
20100092303 | ENHANCED AXIAL AIR MOVER SYSTEM WITH ENCLOSURE PROFILE - Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover. | 04-15-2010 |
20100092304 | ENHANCED AXIAL AIR MOVER SYSTEM WITH FLOOR EDGE - Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover. | 04-15-2010 |
20100092305 | ENHANCED AXIAL AIR MOVER SYSTEM WITH MATRIX - Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover. | 04-15-2010 |
20100296944 | CROSSED FLOW TURBINE - A turbine, particularly suitable for wind generators for the production of electric power even with weak wind, is provided with four identical axial blades, opposite two by two, all of them always active, both those windward and those leeward, wherein the air collides on a vane, after having produced a thrusting torque, is conveyed to the opposite vane for generating a tail torque thanks to a series of conveying channels connecting a first vane to the opposite thereof, being also the second vane connected to the opposite thereof by another series of conveying channels, both such series of channels are orthogonal to each other and the fluid flows run through them undisturbed by any interference, with a great increase in efficiency of the turbine. | 11-25-2010 |
20110135494 | AXIAL FLOW FAN WITH HUB ISOLATION SLOTS - An axial flow fan includes a hub rotatable about a central axis. The hub includes a front face and a cylindrical portion. The axial flow fan also includes a plurality of blades extending radially outwardly from the cylindrical portion of the hub, and an aperture through the front face of the hub. The aperture is at least partially defined by a first surface oriented non-parallel with the front face. The axial flow fan further includes a lip having a second surface adjacent the first surface that at least partially overlaps the aperture and provides a tortuous passageway through the aperture. | 06-09-2011 |
20110135495 | FLUID DRIVER - In a rotatable tube having an open end and a closed end, an aperture is disposed along a length of the tube and is associated with a blade configured to create a reduced pressure pocket within a fluid medium near the aperture. When the tube, the aperture and the blade rotate within the fluid medium, an input gas is drawn through the open end of the tube and into the fluid medium through the aperture. | 06-09-2011 |
20110182750 | ACCESS APPARATUS FOR A WIND TURBINE AND METHOD OF USING SAME - A wind turbine having a tower and a rotor hub that is supported by the tower. At least one blade extends from the rotor hub, and a nacelle is located proximate the rotor hub. The wind turbine also has a transport conduit that selectively provides communication between an interior of the nacelle and an interior of the rotor hub. The transport conduit may have a collapsed condition in which the transport conduit is located completely within the nacelle, and an extended condition in which the transport conduit partially extends into the interior of the rotor hub. In a specific embodiment, the transport conduit is a telescoping structure. A method for using the transport conduit includes accessing the interior of the nacelle to position an object therein and transporting the object to the interior of the rotor hub using the transport conduit. | 07-28-2011 |
20110268581 | Propulsion system and method - A rotating engine produces a torque created by exhaust products routed through angled nozzles exiting the nacelle. In one instance, a hollow drive shaft includes a plurality of fuel injector nozzles through which pressurized fuel is fed into an ignition chamber and ignited. Exiting exhaust is directed to cause the nacelle to spin. This spinning motion of the nacelle is harnessed to perform electrical or mechanical work. | 11-03-2011 |
20120082562 | Wind turbine - A turbine includes a plurality of blades distributed about a hub and configured to rotate about an axis through the hub when subjected to a flowing fluid. The turbine further includes at least one fluid intake opening located near the hub. A proximal end of each of a plurality of conduits opens to the fluid intake opening. Each conduit extends toward one of the blades and includes at its distal end at least one fluid outlet configured to direct a fluid flow substantially parallel to a leading edge of the blade. | 04-05-2012 |
20120156053 | Wind turbine, method of control of a wind turbine and air-conditioning system - A wind turbine having an air-conditioning system is provided. The air-conditioning system controls the climatization of the interior of the nacelle of the wind turbine. The air conditioning system includes at least on air inlet for ventilating the interior with air intake from outside of the wind turbine. The air-conditioning system also includes a heater for heating the air intake. | 06-21-2012 |
20120163991 | AXIAL FLOW FAN WITH HUB ISOLATION SLOTS - An axial flow fan includes a hub rotatable about a central axis. The hub includes a front face and a cylindrical portion. A plurality of apertures is provided in the front face of the hub, each aperture at least partially defined by a first surface oriented non-parallel with the front face. A plurality of ribs is provided, each rib aligned with one of the plurality of apertures such that a free edge of the rib at least partially overlaps the respective one of the plurality of apertures. The fan further includes a plurality of lips, each lip coupled to the front face of the hub and aligned with one of the plurality of apertures that is not aligned with one of the plurality of ribs, each lip having a second surface, adjacent the first surface of a respective aperture, that at least partially overlaps the respective aperture. | 06-28-2012 |
20130323077 | COMPRESSOR POWER AND TORQUE TRANSMITTING HUB - A compressor hub includes a sleeve portion, a cone portion, and a mounting flange portion. The sleeve portion is cylindrical about a sleeve axis. The frustoconical cone portion is attached to the sleeve portion and diverges radially outward. In addition, the cone portion includes an inner cone portion with an inner generatrix and an outer cone portion with an outer generatrix that is colinear with the inner generatrix. The mounting flange portion is attached to the outer cone for attaching a rotor disk to the compressor hub. | 12-05-2013 |
20150308408 | APPARATUS FOR DAMPENING OF ACOUSTIC NOISE GENERATED BY AIR-COOLING OF AT LEAST ONE WIND TURBINE COMPONENT PROVIDED WITH THE NACELLE OF A WIND TURBINE - An apparatus for dampening of acoustic noise generated by air-cooling of at least one wind turbine component provided with the nacelle of a wind turbine is provided. Apparatus for dampening of acoustic noise generated by air-cooling of at least one wind turbine component provided with the nacelle of a wind turbine, comprising at least one acoustic dampening means, with the acoustic dampening means including at least one acoustic dampening channel structure having at least one acoustic dampening channel connected with at least one inlet opening of the acoustic dampening channel structure and at least one outlet opening of the acoustic dampening channel structure. | 10-29-2015 |
20150315922 | GAS TURBINE ENGINE WITH REINFORCED SPINNER - A spinner for a gas turbine engine comprises an outer shell for defining an airflow path when mounted in a gas turbine engine. An inner surface is provided with a plurality of webs. A gas turbine engine and a fan section for a gas turbine engine are also disclosed. | 11-05-2015 |
20160025107 | CENTRIFUGAL FAN WITH REDUCED MOTOR COOLING NOISE - A blower assembly suitable for use in a vehicle heating, ventilation, and air conditioning (HVAC) system includes a motor and a fan. The motor is configured to define an exit region where air that flows through the motor exits the motor. The centrifugal fan is configured to attach to a shaft of the motor. The fan defines a plurality of passageways configured to allow the air from the motor to pass through the fan. The passageways are configured to minimize noise caused by the air drawn through the motor. | 01-28-2016 |
20160146210 | ELECTRICAL MACHINE, FAN, VENTILATOR - An axial flow fan having an axis of rotation includes a central hub including a base wall and a lateral wall which projects from the base wall to form a cup-shaped structure, a plurality of blades each fixed to the central hub and including a leading edge and a trailing edge, a plurality of extractors of a fluid which are associated with the base wall for conveying air from the inside of the cup-shaped structure to the outside of the cup-shaped structure through the base wall. | 05-26-2016 |
20160146215 | CENTRIFUGAL ROTOR - A centrifugal rotor includes a hub ( | 05-26-2016 |
20100150732 | Turbo Wind Turbine and New Method of using Moving Fluid Energy - Disclosed are the various embodiments of turbines that depicts a method of capturing wind or other moving fluid energy as rotor hub is placed perpendicular to wind direction and plurality of propeller wing having generally rectangular structure are rigidly joined to the hub and are pushed by the kinetic force of wind to rotate co-current to wind direction during leading half path of any single rotation; thereby, plurality of louvers rotatably held from their longitudinal extremities as inset of peripheral frame of propeller wing are opened during the remaining trailing half path of rotation making them permeable bodies allowing wind to pass through therefore propeller wings move countercurrent to the wind to complete the revolution. This method converts a much larger component of passing wind energy in to rotational movement of central hub that is subsequently used to generate electricity using generator mean or do other useful work. | 06-17-2010 |
20130323076 | MARINE PROPELLER WITH AN ADJUSTABLE EXHAUST STRUCTURE - A marine propeller with an adjustable exhaust structure is disclosed. Each adjustable exhaust device of the adjustable exhaust structure includes an exhaust hole unit with exhaust through holes cut through the outer surface and inner surface of the propeller hub of the marine propeller, an adjustment member with shielding portions mounted in the exhaust hole unit, and a fastening member for securing the adjustment member in position. The adjustment member is movable to adjust the shielding area of the shielding portions relative to the exhaust through holes when disengaged from the constraint of the fastening member. Thus, the exhaust volume is adjustable to fit different conditions without changing any component parts of the marine propeller, facilitating ease of use of the marine propeller. | 12-05-2013 |
20140248158 | MARINE PROPELLER WITH ADJUSTABLE EXHAUST MEANS - A marine propeller having multiple adjustable exhaust structures is disclosed. Each adjustable exhaust structure includes an exhaust hole unit with exhaust through holes cut through the outer surface and inner surface of the propeller hub of the marine propeller, an adjustment member with shielding portions mounted in the exhaust hole unit, and a fastening member for locking the adjustment member to the exhaust hole unit. The adjustment member is movable to adjust the shielding area of the shielding portions relative to the exhaust through holes when disengaged from the constraint of the fastening member. Thus, the exhaust volume is adjustable to fit different conditions without changing any component parts of the marine propeller, facilitating ease of use of the marine propeller. | 09-04-2014 |
416094000 | Aircraft spinner or cowling | 2 |
20110158808 | METHOD FOR PROPELLER BLADE ROOT FLOW CONTROL BY AIRFLOW THROUGH SPINNER - A propeller blade root airflow system comprises a spinner for shrouding a propeller hub and propeller roots. The spinner has root holes disposed about a spinner circumference for receiving propeller roots, and airflow ducts disposed about a spinner circumference for drawing air into the spinner and away from the root holes. A method for preventing choked flow conditions between adjacent propeller blades in the area of a spinner in a propulsion system comprises rotating the spinner and propeller blades to produce propulsive thrust by driving an air stream past the propeller blades and spinner, and drawing a portion of the air stream into a plurality of ducts disposed within the spinner to prevent choked flow conditions. | 06-30-2011 |
20120315141 | FLOW MIXER - An annular flow mixer is provided for use in a gas turbine engine. A core generator of the engine provides an annular duct for the flow of working gas, which exhausts from the duct through the flow mixer. The flow mixer has a plurality of circumferentially spaced exhaust chutes from which the working gas exits in respective exhaust plumes. The exhaust chutes are configured such that, at the discharge end of the flow mixer, a radially outer portion of each exhaust chute radially overlaps with a radially inner portion of at least one adjacent exhaust chute. | 12-13-2012 |
416093000 | Water or marine propellers | 3 |
20090053070 | ROTOR BLADE AND METHOD OF FABRICATING THE SAME - A method for fabricating a rotor blade includes fabricating a rotor blade that includes a dovetail and an airfoil coupled to the dovetail, the airfoil including a first side, a second side, and a plurality of openings extending therethrough, and weaving a composite material through the openings such that the airfoil has an aerodynamic profile that is substantially smooth from an airfoil leading edge to an airfoil trailing edge. | 02-26-2009 |
20090060748 | VENTILATION ARRANGEMENT - A ventilation arrangement for a wind turbine includes an air inlet opening located in a nose cone of said wind turbine, a manhole cover for covering a manhole of a rotor hub of said wind turbine, the manhole cover providing a vent opening for venting hot air from an internal space of said rotor hub, and a flexible piping establishing fluid communication between the internal space of the rotor hub and the air inlet opening. | 03-05-2009 |
20100092303 | ENHANCED AXIAL AIR MOVER SYSTEM WITH ENCLOSURE PROFILE - Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover. | 04-15-2010 |
20100092304 | ENHANCED AXIAL AIR MOVER SYSTEM WITH FLOOR EDGE - Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover. | 04-15-2010 |
20100092305 | ENHANCED AXIAL AIR MOVER SYSTEM WITH MATRIX - Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover. | 04-15-2010 |
20100296944 | CROSSED FLOW TURBINE - A turbine, particularly suitable for wind generators for the production of electric power even with weak wind, is provided with four identical axial blades, opposite two by two, all of them always active, both those windward and those leeward, wherein the air collides on a vane, after having produced a thrusting torque, is conveyed to the opposite vane for generating a tail torque thanks to a series of conveying channels connecting a first vane to the opposite thereof, being also the second vane connected to the opposite thereof by another series of conveying channels, both such series of channels are orthogonal to each other and the fluid flows run through them undisturbed by any interference, with a great increase in efficiency of the turbine. | 11-25-2010 |
20110135494 | AXIAL FLOW FAN WITH HUB ISOLATION SLOTS - An axial flow fan includes a hub rotatable about a central axis. The hub includes a front face and a cylindrical portion. The axial flow fan also includes a plurality of blades extending radially outwardly from the cylindrical portion of the hub, and an aperture through the front face of the hub. The aperture is at least partially defined by a first surface oriented non-parallel with the front face. The axial flow fan further includes a lip having a second surface adjacent the first surface that at least partially overlaps the aperture and provides a tortuous passageway through the aperture. | 06-09-2011 |
20110135495 | FLUID DRIVER - In a rotatable tube having an open end and a closed end, an aperture is disposed along a length of the tube and is associated with a blade configured to create a reduced pressure pocket within a fluid medium near the aperture. When the tube, the aperture and the blade rotate within the fluid medium, an input gas is drawn through the open end of the tube and into the fluid medium through the aperture. | 06-09-2011 |
20110182750 | ACCESS APPARATUS FOR A WIND TURBINE AND METHOD OF USING SAME - A wind turbine having a tower and a rotor hub that is supported by the tower. At least one blade extends from the rotor hub, and a nacelle is located proximate the rotor hub. The wind turbine also has a transport conduit that selectively provides communication between an interior of the nacelle and an interior of the rotor hub. The transport conduit may have a collapsed condition in which the transport conduit is located completely within the nacelle, and an extended condition in which the transport conduit partially extends into the interior of the rotor hub. In a specific embodiment, the transport conduit is a telescoping structure. A method for using the transport conduit includes accessing the interior of the nacelle to position an object therein and transporting the object to the interior of the rotor hub using the transport conduit. | 07-28-2011 |
20110268581 | Propulsion system and method - A rotating engine produces a torque created by exhaust products routed through angled nozzles exiting the nacelle. In one instance, a hollow drive shaft includes a plurality of fuel injector nozzles through which pressurized fuel is fed into an ignition chamber and ignited. Exiting exhaust is directed to cause the nacelle to spin. This spinning motion of the nacelle is harnessed to perform electrical or mechanical work. | 11-03-2011 |
20120082562 | Wind turbine - A turbine includes a plurality of blades distributed about a hub and configured to rotate about an axis through the hub when subjected to a flowing fluid. The turbine further includes at least one fluid intake opening located near the hub. A proximal end of each of a plurality of conduits opens to the fluid intake opening. Each conduit extends toward one of the blades and includes at its distal end at least one fluid outlet configured to direct a fluid flow substantially parallel to a leading edge of the blade. | 04-05-2012 |
20120156053 | Wind turbine, method of control of a wind turbine and air-conditioning system - A wind turbine having an air-conditioning system is provided. The air-conditioning system controls the climatization of the interior of the nacelle of the wind turbine. The air conditioning system includes at least on air inlet for ventilating the interior with air intake from outside of the wind turbine. The air-conditioning system also includes a heater for heating the air intake. | 06-21-2012 |
20120163991 | AXIAL FLOW FAN WITH HUB ISOLATION SLOTS - An axial flow fan includes a hub rotatable about a central axis. The hub includes a front face and a cylindrical portion. A plurality of apertures is provided in the front face of the hub, each aperture at least partially defined by a first surface oriented non-parallel with the front face. A plurality of ribs is provided, each rib aligned with one of the plurality of apertures such that a free edge of the rib at least partially overlaps the respective one of the plurality of apertures. The fan further includes a plurality of lips, each lip coupled to the front face of the hub and aligned with one of the plurality of apertures that is not aligned with one of the plurality of ribs, each lip having a second surface, adjacent the first surface of a respective aperture, that at least partially overlaps the respective aperture. | 06-28-2012 |
20130323077 | COMPRESSOR POWER AND TORQUE TRANSMITTING HUB - A compressor hub includes a sleeve portion, a cone portion, and a mounting flange portion. The sleeve portion is cylindrical about a sleeve axis. The frustoconical cone portion is attached to the sleeve portion and diverges radially outward. In addition, the cone portion includes an inner cone portion with an inner generatrix and an outer cone portion with an outer generatrix that is colinear with the inner generatrix. The mounting flange portion is attached to the outer cone for attaching a rotor disk to the compressor hub. | 12-05-2013 |
20150308408 | APPARATUS FOR DAMPENING OF ACOUSTIC NOISE GENERATED BY AIR-COOLING OF AT LEAST ONE WIND TURBINE COMPONENT PROVIDED WITH THE NACELLE OF A WIND TURBINE - An apparatus for dampening of acoustic noise generated by air-cooling of at least one wind turbine component provided with the nacelle of a wind turbine is provided. Apparatus for dampening of acoustic noise generated by air-cooling of at least one wind turbine component provided with the nacelle of a wind turbine, comprising at least one acoustic dampening means, with the acoustic dampening means including at least one acoustic dampening channel structure having at least one acoustic dampening channel connected with at least one inlet opening of the acoustic dampening channel structure and at least one outlet opening of the acoustic dampening channel structure. | 10-29-2015 |
20150315922 | GAS TURBINE ENGINE WITH REINFORCED SPINNER - A spinner for a gas turbine engine comprises an outer shell for defining an airflow path when mounted in a gas turbine engine. An inner surface is provided with a plurality of webs. A gas turbine engine and a fan section for a gas turbine engine are also disclosed. | 11-05-2015 |
20160025107 | CENTRIFUGAL FAN WITH REDUCED MOTOR COOLING NOISE - A blower assembly suitable for use in a vehicle heating, ventilation, and air conditioning (HVAC) system includes a motor and a fan. The motor is configured to define an exit region where air that flows through the motor exits the motor. The centrifugal fan is configured to attach to a shaft of the motor. The fan defines a plurality of passageways configured to allow the air from the motor to pass through the fan. The passageways are configured to minimize noise caused by the air drawn through the motor. | 01-28-2016 |
20160146210 | ELECTRICAL MACHINE, FAN, VENTILATOR - An axial flow fan having an axis of rotation includes a central hub including a base wall and a lateral wall which projects from the base wall to form a cup-shaped structure, a plurality of blades each fixed to the central hub and including a leading edge and a trailing edge, a plurality of extractors of a fluid which are associated with the base wall for conveying air from the inside of the cup-shaped structure to the outside of the cup-shaped structure through the base wall. | 05-26-2016 |
20160146215 | CENTRIFUGAL ROTOR - A centrifugal rotor includes a hub ( | 05-26-2016 |
20100150732 | Turbo Wind Turbine and New Method of using Moving Fluid Energy - Disclosed are the various embodiments of turbines that depicts a method of capturing wind or other moving fluid energy as rotor hub is placed perpendicular to wind direction and plurality of propeller wing having generally rectangular structure are rigidly joined to the hub and are pushed by the kinetic force of wind to rotate co-current to wind direction during leading half path of any single rotation; thereby, plurality of louvers rotatably held from their longitudinal extremities as inset of peripheral frame of propeller wing are opened during the remaining trailing half path of rotation making them permeable bodies allowing wind to pass through therefore propeller wings move countercurrent to the wind to complete the revolution. This method converts a much larger component of passing wind energy in to rotational movement of central hub that is subsequently used to generate electricity using generator mean or do other useful work. | 06-17-2010 |
20130323076 | MARINE PROPELLER WITH AN ADJUSTABLE EXHAUST STRUCTURE - A marine propeller with an adjustable exhaust structure is disclosed. Each adjustable exhaust device of the adjustable exhaust structure includes an exhaust hole unit with exhaust through holes cut through the outer surface and inner surface of the propeller hub of the marine propeller, an adjustment member with shielding portions mounted in the exhaust hole unit, and a fastening member for securing the adjustment member in position. The adjustment member is movable to adjust the shielding area of the shielding portions relative to the exhaust through holes when disengaged from the constraint of the fastening member. Thus, the exhaust volume is adjustable to fit different conditions without changing any component parts of the marine propeller, facilitating ease of use of the marine propeller. | 12-05-2013 |
20140248158 | MARINE PROPELLER WITH ADJUSTABLE EXHAUST MEANS - A marine propeller having multiple adjustable exhaust structures is disclosed. Each adjustable exhaust structure includes an exhaust hole unit with exhaust through holes cut through the outer surface and inner surface of the propeller hub of the marine propeller, an adjustment member with shielding portions mounted in the exhaust hole unit, and a fastening member for locking the adjustment member to the exhaust hole unit. The adjustment member is movable to adjust the shielding area of the shielding portions relative to the exhaust through holes when disengaged from the constraint of the fastening member. Thus, the exhaust volume is adjustable to fit different conditions without changing any component parts of the marine propeller, facilitating ease of use of the marine propeller. | 09-04-2014 |