Class / Patent application number | Description | Number of patent applications / Date published |
415123000 | Brake or clutch | 31 |
20090028693 | EXPANSION TURBINE - A braking mechanism is provided that is suitable for an expansion turbine that rotates at high speed. Upper end salient poles | 01-29-2009 |
20100021284 | REGENERATIVE BRAKING FOR GAS TURBINE SYSTEMS - The present invention is directed to an energy storage system comprised of a heat block having a relatively high specific energy capacity. The heat block can be used, for example, with a regenerative braking system for gas turbine powered vehicles to improve fuel efficiency. | 01-28-2010 |
20100189548 | ROTATION ARRANGEMENT - A selective rotation arrangement for a shaft, the arrangement including a housing mountable spaced from the shaft and an engagement member with distal and proximal ends which is selectively movable relative to the housing towards or away from the shaft between an operating position towards the shaft and a rest position clear of the shaft, the engagement member having a gear member at the distal end thereof which is engageable with the shaft in the operating position to permit turning of the shaft by the engagement member, but is disengaged from the shaft in the rest position. | 07-29-2010 |
20110188997 | BRAKE MECHANISM FOR AIR TURBINE STARTER - A brake assembly ( | 08-04-2011 |
20110299975 | BRAKE SYSTEM FOR A WIND TURBINE - The invention relates to a brake system for a wind turbine having a machine house rotatably mounted in horizontal plane on a tower, at least one stop brake ( | 12-08-2011 |
20120148385 | AXIAL COUPLING WITH COMPENSATED FORCES - The invention relates to a drive train ( | 06-14-2012 |
20120201657 | GAS TURBINE ENGINE BRAKING METHOD - The present disclosure discloses an engine braking system, especially for vehicles powered by a gas turbine. The engine braking system allows for control of engine braking force; control of over-speed of the power turbine and further includes means of recovering some or all of the braking energy of the engine braking system. Dissipative engine braking devices include an auxiliary compressor, or electrical generator, or an eddy current clutch or an eddy current brake, or fluid pump. Several methods of controlling the engine braking force of a dissipative braking device are disclosed and include (1) a continuously variable transmission (“CVT”); (2) an electrical generator and an optional thermal storage device; (3) an eddy current clutch; and (4) a fluid pump system. The various control devices may be operated automatically by appropriate algorithms. One of these control methods utilizes an eddy current clutch assembly. An innovative configuration of eddy current clutch assembly based on a brushless alternator is disclosed. Additional innovations include vehicle braking systems that utilize some or all the braking features to recoup a portion of braking energy available with either or both of a hybrid transmission and a dissipative braking device such as a compressor, an electrical generator or a fluid pump system. | 08-09-2012 |
20120201658 | METHOD FOR PROTECTING THE PASSAGE OF AIR IN A DRIVE PART COUPLING IN AN UNPROTECTED ENVIRONMENT, COUPLING FOR IMPLEMENTATION, AND ROTOR LINE FITTED WITH SUCH COUPLINGS - A method to prevent blockage of air passages in curvic couplings between drive parts and to prevent potential damage to the drive parts during weakening of protective elements. To this end, axial abutments are formed by ring gears of the curvic couplings. A coupling includes two rings, each ring being on the end of one drive part and engaged with the other so as to transmit to the drive part a rotation around a central axis while allowing air to pass between male and female portions of the teeth of the rings behind a bearing area. The rings are extended in an at least partially radial manner relative to each other to form an outer ring extension and an inner ring extension respectively facing elements surrounding the drive part that are mounted onto the other ring. The rotor lines can be used in turbine engines. | 08-09-2012 |
20120237337 | MOTOR-GENERATOR CONNECTION SHAFT VENT - An example method of reducing loads on a connection shaft includes disengaging a connection shaft from a motor-generator such that the connection shaft is not rotatably coupled to the motor-generator. The method communicates a fluid away from the motor-generator through a communication path established within the connection shaft. An example turbomachine connection shaft is configured to selectively rotatably couple a turbomachine rotor and a motor-generator. The connection shaft establishes a communication path that selectively vents the motor-generator. | 09-20-2012 |
20130011241 | FAN DISK APPARATUS AND METHOD - An apparatus for a gas turbine engine comprises a spool lock for locking a compressor spool and a lift for removing a rotor from the compressor spool. The spool lock comprises an outer ring configured for attachment to a compressor case of the gas turbine engine, an inner ring configured to support a compressor spool within the compressor case, and a web extending between the outer ring and the inner ring. The lift comprises a beam configured for attachment to a flange of the gas turbine engine, a support strut configured to support the beam above the compressor spool, and a hoist configured to support the rotor for removal from the compressor spool. | 01-10-2013 |
20130101398 | Impulse wind machine - An impulse wind machine comprises the following:
| 04-25-2013 |
20130195626 | BEARING - A clutch bearing ( | 08-01-2013 |
20130266422 | INTEGRATED CLUTCH SUPERCHARGER - A clutch assembly configured for use with a supercharger includes a first shaft supported for rotation within a clutch housing. A pulley is mounted on the first shaft. A clutch rotor is also mounted on the first shaft at a location that is axially spaced from the pulley. A clutch coil is supported within the clutch housing and positioned adjacent to a first face of the clutch rotor. A second shaft is supported for rotation relative to the first shaft and is coaxially aligned with the first shaft. A clutch armature is mounted on the second shaft and positioned adjacent to a second face of the clutch rotor. A supercharger system including the clutch assembly is also provided. | 10-10-2013 |
20130309068 | Fan Oscillating Mechanism and Ceiling Fan Using the Same - A ceiling fan with oscillating mechanism includes a clutch member for adjusting the angle of oscillation according to user's need. When the motor is actuated, the rotating torque induced by the motor and the transmission mechanism is smaller than the rotational resistance of the clutch member such that the motor may drive the fan to oscillate. Further, when the user applies an external rotational force greater than the rotational resistance of the clutch member, the user can swing the fan to any angle as desired without rotating or shifting other members except the fan and the fan suspension tube. In this manner, undesired damage of the mechanism or motor due to inappropriately applied external force can be avoided efficiently. | 11-21-2013 |
20130330174 | WIND POWER GENERATION SYSTEM WITH TURBOFANS - A wind power generation system includes a wind power generation system with turbofans. The system includes an air supply funnel, composed structure of turbofan, several generator components, a control device and an air passage well. The air supply funnel is configured to rise the wind which enters into the wind power generation system, and further wind which is risen drives the composed structure of turbofan to rotate, the operating gear ring connected to the composite structure of turbofan rotating with it; and then drives small gear in generator component which engages with the operating gear ring to rotate in high speed. The generator begins to generate electricity when required rotary speed of the electric generating sets is achieved. | 12-12-2013 |
20130343877 | REGULATABLE COOLANT PUMP - The invention relates to a regulatable coolant pump for a cooling circuit of an internal combustion engine, comprising a hollow bearing shaft ( | 12-26-2013 |
20140003914 | LOCKABLE DRIVE ASSEMBLY FOR ROTATABLE MEMBERS | 01-02-2014 |
20140119893 | DUAL-FLOW TURBINE ENGINE HAVING A DECOUPLING DEVICE - A dual-flow turbine engine including: a fan rotatably mounted on a fan shaft and a stationary structural element, the fan shaft and the structural element being connected to one another at an upstream bearing and at a downstream bearing via an upstream bearing bracket and a downstream bearing bracket, respectively; and a decoupling device surrounding the fan shaft, and including a set of attachment screws joining the downstream bearing bracket to the structural element and a set of fusible screws joining the upstream bearing bracket to the downstream bearing bracket. At least some of the fusible screws are arranged between at least some of the attachment screws over a single circumference surrounding the fan shaft. | 05-01-2014 |
20140133966 | CLUTCHED TURBINE WHEELS - Solutions for clutching turbine wheels are disclosed. In one embodiment, an apparatus includes: a turbine rotor shaft; a plurality of turbine wheels affixed to the turbine rotor shaft; an independent turbine wheel engagably attached to the turbine rotor shaft; and a clutch operably connected to the turbine rotor shaft, the clutch configured to couple and decouple the independent turbine wheel from the turbine rotor shaft. | 05-15-2014 |
20140271136 | SUPERCHARGER - A supercharger includes a supercharger housing, a primary rotor having a primary rotor shaft fixed to rotate therewith. A ring gear with internal teeth is attached to a transmission housing portion of the supercharger housing. A sun gear is fixed to the primary rotor shaft. A planetary gear carrier has a plurality of planetary gear shafts. A plurality of planetary gears rotate about corresponding planetary gear shafts and are meshingly engaged with the sun gear and the ring gear and are substantially equally spaced about the sun gear. A rotatable input shaft is connectable to the planetary gear carrier. The input shaft is connectable to receive rotational motion and power from an engine. | 09-18-2014 |
20140341716 | Cryogenic liquid turbine - A cryogenic liquid turbine is provided, wherein, an impeller end of the rotor and a nozzle assembly are received into a cavity of a volute ( | 11-20-2014 |
20150071764 | Turbocompound Bearing for Attaching a Turbocompound System to an Internal Combustion Engine - A turbocompound bearing for attaching a turbocompound system to an internal combustion engine comprises an exhaust gas turbine having a turbine shaft mounted in a turbine bearing housing, a hydrodynamic clutch having a clutch shaft mounted in a clutch bearing housing, and having a connector for attachment of the internal combustion engine. The invention is characterized in that the connector is formed by a plate-shaped base support which has at least one first centering surface on which the clutch bearing housing is oriented, and the plate-shaped base support and/or the clutch bearing housing has at least one second centering surface on which the turbine bearing housing is oriented. | 03-12-2015 |
20150078888 | CONTRA-ROTATING OPEN FAN PROPULSION SYSTEM - In one aspect a propulsion system comprises an engine and a drive assembly coupled to the engine, comprising a first driveshaft rotatable in a first direction about a first axis, a first fan coupled to the first driveshaft to rotate in the first direction, and a clutch assembly to selectively disengage the first fan from the first driveshaft. Other aspects may be described. | 03-19-2015 |
20150118025 | ENGINE SUPERCHARGER - An impeller for pressurizing an intake air of an engine is provided on a left side end portion in a supercharger rotary shaft of the supercharger. The power from the engine is transmitted to a second sprocket, which is provided on a right side end portion of an input shaft of a speed increaser, through a chain to thereby allow the supercharger to drive. The second sprocket is removably fitted to the input shaft by means of a bolt. The supercharger rotary shaft, the input shaft, the second sprocket and the bolt are all accommodated in a supercharger casing. The supercharger casing has a right side end face formed with an access opening through which access can be made to the second sprocket and the bolt from an axial direction. | 04-30-2015 |
20150118026 | ENGINE WITH SUPERCHARGER - A combustion engine (E) for a motorcycle includes a crankshaft ( | 04-30-2015 |
20150337762 | TURBOFAN THRUST REVERSER SYSTEM - A gas turbine engine comprises a core engine, a fan, a bypass duct and a clutch. The fan is driven by the core engine. The bypass duct is configured to receive airflow from the fan. The clutch links the core engine and the fan. The core comprises a reverse-flow, two-spool gas generator in one embodiment. In another embodiment, the fan is driven by a free turbine aerodynamically powered by the core engine. In one embodiment, the clutch includes reverse gearing to reverse rotational output of the fan. In one embodiment, the clutch and reverse gearing are implemented in an epicyclic gear system. | 11-26-2015 |
20160010629 | WIND POWER GENERATION DEVICE | 01-14-2016 |
20160084364 | TORQUE CONVERTER INCLUDING AXIALLY MOVABLE TURBINE AND FRICTION MATERIAL BONDED TO DIAPHRAGM SPRING - A torque converter is provided. The torque converter includes a turbine including a turbine shell including a radially extending turbine shell wall, an impeller including an impeller shell including a radially extending impeller shell wall, a diaphragm spring rotationally fixed to one of the turbine and the impeller, and a friction material fixed to the diaphragm spring. The radially extending turbine shell wall and the radially extending impeller shell wall are engageable via the friction material and the diaphragm spring to form a lockup clutch. A method of forming a torque converter is also provided. | 03-24-2016 |
20160102655 | POWER GENERATION DEVICE AND ROTATING PORTION SUPPORT STRUCTURE - A power generation device includes a main shaft rotated by an external force, a speed-up gear, a high-speed shaft, a rolling bearing, a power generator, and a one-way clutch disposed between the output gear and the high-speed shaft. In a state where the main shaft is rotating in a positive direction, the one-way clutch integrally rotatably connects the output gear and the high-speed shaft to each other if a rotational speed of the output gear exceeds a rotational speed of the high-speed shaft, and breaks connection between the output gear and the high-speed shaft if the rotational speed of the output gear becomes lower than the rotational speed of the high-speed shaft. | 04-14-2016 |
20160123408 | VISCOUS CLUTCH WITH HIGH-SPEED RESERVOIR AND BIMETAL STRIP MEMBER - A viscous fan drive including a fluid valve activated by a bimetal strip member, and including a clutch disk member and fluid reservoir rotatable at input speed. The fluid reservoir is contained in a reservoir chamber member positioned on the clutch disk member. The bimetal strip member controls the operation of a valve member which in turn controls the passage of fluid into the working chamber for operation of a cooling fan. | 05-05-2016 |
20160123409 | VISCOUS CLUTCH WITH HIGH-SPEED RESERVOIR AND BIMETAL COIL MEMBER - A viscous fan drive including a fluid valve activated by a bimetal member, and including a clutch disk member and fluid reservoir rotatable at input speed. The fluid reservoir is contained in a reservoir chamber member positioned on the clutch disk member. The bimetal coil member controls the operation of a valve member which in turn controls the passage of fluid into the working chamber for operation of a cooling fan. | 05-05-2016 |