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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8177042 | Rotary damper In a rotary damper capable of being easily assembled by reducing the remaining air inside an accommodation portion and reducing the non-uniformity of damping torque, a center shaft 73 is provided in the center of a fixing and supporting member 71, an i... | 05/15/2012 |
| 8042660 | Device for braking the movement of a door, drawer or similar movable member A rotary damper comprises a casing fixable to a structure and which comprises a wall which surrounds a chamber filled with a viscous fluid and has an inner surface facing the chamber. A cover is mounted and welded on a shoulder surface of the wall of the casing in s... | 10/25/2011 |
| 7942249 | Systems and methods for controlling the stability of a water brake dynamometer A system for stabilizing a water brake including at least two rotor disks, a chamber of the water brake for containing water positioned between the at least two rotor disks, a pressure measuring device for measuring a partial pressure in the chamber, and an air inje... | 05/17/2011 |
| 7882941 | Viscous shear damping strut assembly A damping device using viscous shear to moderate substantially linear movement. The device has a housing with one or more reservoirs containing a viscous fluid, such as silicone, and one or more retractable struts that can extend from the housing. The strut has a po... | 02/08/2011 |
| 7753182 | Speed control mechanism A speed restrictor for a gravity driven vehicle is provided. The speed restrictor is configured to limit the speed of the gravity driven vehicle by restricting rotation of a wheel axle while the gravity driven vehicle descends down a mountain track. ... | 07/13/2010 |
| 7428952 | Damper device A damper device used in a range of electronic apparatuses. The damper device allows a diverse opening and closing operations by means of a simple structure. A stationary plate and a movable plate resiliently contact, due to the action of a spring, over different con... | 09/30/2008 |
| 7264096 | Rotary damper A rotary damper includes a driven rotary member having a driven rotary part for engaging a driving member, and a stationary support member for rotatably supporting the driven rotary member. A housing is disposed between the stationary support member and the driven r... | 09/04/2007 |
| 7258211 | Rotary damper A rotary damper having an oil chamber within a housing which is divided into two by a vane, and generates a damping force by passing operating oil between the two oil chambers when the vane oscillates, has a shaft supporting the vane to allow oscillation in relation... | 08/21/2007 |
| 7231867 | Rotary damper A rotary damper for damping oscillation of a motorcycle front tire includes a vane swingably mounted inside the rotary damper between left and right oil chambers, passages placing the oil chambers in fluid communication with one another, front chambers in communicat... | 06/19/2007 |
| 7216402 | Door handle system A door handle system includes a door opening lever rotationally supported on a support member, and a damper having a linear piston sliding mechanism. The door opening lever has an angle change device for changing an angle when the door opening lever is actuated. The... | 05/15/2007 |
| 7207574 | Stabilizer bar with variable torsional stiffness A stabilizer bar for controlling the roll of an automotive vehicle has left and right sections, each provided with a torsion rod and a torque arm. The torsion rods are aligned along a transverse axis and attached to a structural component of the vehicle, while the t... | 04/24/2007 |
| 7204494 | Split stabilizer and process for establishing a toothed connection of the outer rotary part to one of the two stabilizer parts A connection of the stabilizer parts of a two-part stabilizer to an actuator is usually performed in a positive-locking manner, as a result of which an additional axial securing and hydraulic sealing toward the outside become necessary. To simplify the design and th... | 04/17/2007 |
| 7204353 | Rotary damper, auto part having rotary damper and rotational motion assistant mechanism A rotary damper is provided which can include a valve (6) which automatically varies a flow rate of a viscous fluid passing through fluid passages (5a, 5b) in correspondence with variation in load. The valve (6) comprises a leaf spring. T... | 04/17/2007 |
| 7182186 | Hydrodynamic brake A hydrodynamic brake which comprises a stator and a rotor, arranged to form a toroidal space, and blades on the rotor and the stator extend into the space. A medium which is intended to be supplied to the toroidal space to effect a braking action. A first pipe circu... | 02/27/2007 |
| 7175008 | High-resistance decelerating device, particularly for insertion between two members in relative motion A decelerating device includes a casing defining internally a chamber filled with a viscous fluid, e.g. silicone oil; and a movable member fitted in fluidtight manner to the casing, so as to be housed at least partly inside the chamber and immersed in the viscous fl... | 02/13/2007 |
| 7140271 | Damper and an assembly therewith A damper that is mounted to a printed circuit board of an automobile's climate control system includes a tactile feel and torque control mechanism for the user as the user controls the temperature and climate within the interior of an automobile. The damper incorpor... | 11/28/2006 |
| 7065829 | Damper device A damper device applies damping force to a movable body assembled on a fixed body. The damper device includes a damping part, a clutch case attached to one of the fixed body and the movable body in a state having received the damping part, and a rack part moving or ... | 06/27/2006 |
| 7014179 | Adjustable cushion device A bicycle adjustable cushion device includes an outer tube with a connection cap connected to a first end thereof and an inner tube has a first end movably and rotatably inserted in a second end of the outer tube. A rod has a first end fixed to the connection cap an... | 03/21/2006 |
| 6968929 | Damper A gear damper has a fixed first part and a second part rotatable relative thereto, with a gear formed on the second part. A continuous annular seal is provided between the first and second parts, and a substantially continuous layer of damping fluid is provided betw... | 11/29/2005 |
| 6910989 | Method for increasing brake efficiency Within the framework of the method for increasing brake efficiency of a vehicle with a hydrodynamic retarder, the rotational speed of the motor is increased by command for downshifting, in such a manner, that the increased cooling fluid circulation flow, due to the ... | 06/28/2005 |
| 6840355 | Rotary damper device A rotary damper device includes a case in which a viscous fluid is filled and sealed, a rotation shaft relatively rotatably supported by the case, a rotation vane formed protruded from the rotation shaft, and a check valve mounted on a tip part of the rotation vane.... | 01/11/2005 |
| 6811166 | Clutched stabilizer bar A clutch device for use with a vehicle suspension system to vary the stiffness of a stabilizer bar. A plurality of dampers connected to the clutch body alternate with a plurality of dampers connected to the stabilizer bar. The dampers are coated with a friction mate... | 11/02/2004 |
| 6729447 | Rotational speed controller The provision of a rotational speed controller which is capable of increasing braking torque without a corresponding increase in size, and easily outputting braking torque assumed in the design, and minimizing variations in the braking torque. A casing 6 inco... | 05/04/2004 |
| 6662683 | Oil cylindrical rotational damper A damper is provided having an assist grip into which the damper is built. The damper includes a housing having an inner cylinder and an outer cylinder which disposed concentrically with each other and an annular space formed between the inner cylinder an... | 12/16/2003 |
| 6561323 | Rotary damper A rotary damper includes a pair of rotary members which pivot via rotating support shafts includes an outer tube, an inner tube having a smaller diameter than that of the outer tube, an outer wall of the inner tube being fitted into a tubular space of the... | 05/13/2003 |
| 6499573 | Damping device There is provided a damping device for making large a damping force per unit length in an axial direction thereof. The damping device 20 is provided with a motion conversion section 21 for converting a relative linear motion between the two object portion... | 12/31/2002 |
| 6464052 | Rotatable hydraulic damper A rotatable hydraulic damper includes a tubular fixed member and a shaft has a section rotatably received in the fixed member. A sleeve is rotatably engaged with the inner periphery of the fixed member and mounted to the section of the shaft. A passage is... | 10/15/2002 |
| 6394240 | Vehicle roll damping A hydraulic rotary roll damper for a motor vehicle is mounted concentrically about an anti-roll bar 4 and coupled to the ends of the anti-roll bar 4 by tubing 7, 8. The damper includes a stack of stator plates 18 mounted on a stator housing member 10 and ... | 05/28/2002 |
| 6390255 | Rotary damper To provide a rotary damper in which a viscous fluid does not leak from between an inner end face of a land and an outer circumferential surface of a rotatable member, and a decrease in torque caused by an eccentric rotation of the rotating member is preve... | 05/21/2002 |
| 6173822 | Rotary damper Rotary damper, in particular for an actuating member in motor vehicles, comprising a housing having a cylindrical damper chamber, a liquid viscous medium within the chamber, a rotatably supported shaft within the chamber having at least one substantially ... | 01/16/2001 |
| 5984057 | Rotary dampers A rotary damper has an inner member located within an outer member and an annular seal between the members enclosing a fluid-filled space bounded in part by mutually adjacent faces of the members. A viscous damping force is thereby generated by relative r... | 11/16/1999 |
| 5944152 | Apparatus mountings providing at least one axis of movement with damping The disclosure relates to a viscous damper of the labyrinth ring type for incorporation in a mounting for a TV or video camera for damping pan or tilt movement of the camera. The damper has a stator (10) having a multiplicity of upstanding concentric annu... | 08/31/1999 |
| 5921358 | Rotation damper in a toggle joint prosthesis A rotation damper for toggle joints prosthesis (1) that is arranged for swing phase control of the prosthesis, and incorporates a housing having at least one clamber (13) with a damping medium disposed therein is disclosed. The chamber is arranged so that... | 07/13/1999 |
| 5916068 | Variable resistance device An apparatus provides variable resistance to rotation and includes a housing having a shaft having a first portion that is rotatable in the housing and a second portion passing outwardly thereof adapted to receive the tire of a bicycle for stationary bicy... | 06/29/1999 |
| 5862896 | Device for dampening the movement of a pivotally supported structural part, for example, a flap in an automobile A device for dampening the movement of a pivotally supported structural part, for example, a flap or closure within an automobile, comprises a pivot arm attached to the structural part, and a rack operatively connected to the pivot arm. A housing is rotat... | 01/26/1999 |
| 5816665 | Compression and fluid retarding vehicle braking control system A retarder system for a vehicular drive train is disclosed. The retarder system includes a compression brake being adapted to operate in multiple stages to slow the speed of the engine and a fluid retarder being adapted to operate in multiple stages to ab... | 10/06/1998 |
| 5791444 | Hydraulic rotary actuator such as a rotary actuator for a motor vehicle suspension, and a method for assembling the rotary actuator A hydraulic rotary actuator has a housing with at least one rib on its inside wall and a motor shaft with at least one vane on its outside shell surface, whereby the housing with its ribs and the motor shaft with its vanes form a working chamber which is ... | 08/11/1998 |
| 5697122 | Rotary damper and closure device with such rotary damper A rotary damper has a movable valve supported on a support projection radially outwardly projecting from a shaft of a rotating member which is rotatably disposed in a chamber filled with a viscous fluid in a casing. Depending on the direction in which the... | 12/16/1997 |
| 5651432 | Hydrodynamic brake A hydrodynamic brake includes a housing adapted to be filled with a working fluid and to discharge the fluid, a rotor having a plurality of blades, and a stator having a plurality of blades. The number of rotor blades is about 1.2 times to about 1.5 times... | 07/29/1997 |
| 5449054 | Rotary damper A rotary damper, in particular for actuated parts in automotive vehicles, comprising a housing including a cylindrical damper chamber, a liquid in the chamber, a rotatably supported shaft in the chamber having at least one vane such that upon rotation of ... | 09/12/1995 |
