69results about How to "Assist in stability" patented technology

An actively controlled rotary steerable drilling system for directional drilling of wells having a tool collar rotated by a drill string during well drilling. A bit shaft has an upper portion within the tool collar and a lower end extending from the collar and supporting a drill bit. The bit shaft is omni-directionally pivotally supported intermediate its upper and lower ends by a universal joint within the collar and is rotatably driven by the collar. To achieve controlled steering of the rotating drill bit, orientation of the bit shaft relative to the tool collar is sensed and the bit shaft is maintained geostationary and selectively axially inclined relative to the tool collar during drill string rotation by rotating it about the universal joint by an offsetting mandrel that is rotated counter to collar rotation and at the same frequency of rotation. An electric motor provides rotation to the offsetting mandrel with respect to the tool collar and is servo-controlled by signal input from position sensing elements such as magnetometers, gyroscopic sensors, and accelerometers which provide real time position signals to the motor control. In addition, when necessary, a brake is used to maintain the offsetting mandrel and the bit shaft axis geostationary. Alternatively, a turbine is connected to the offsetting mandrel to provide rotation to the offsetting mandrel with respect to the tool collar and a brake is used to servo-control the turbine by signal input from position sensors.

We describe a system to optimize performance of a mobile phone network towards a performance goal. The system receives performance data comprising aggregated data for a plurality of calls and commissions measurement data comprising data logged for a plurality of mobile phones, and outputs data for changing a configuration of said network. The system includes a performance monitoring system; a measurement data request system, wherein measurement data is selectively commissioned in response said performance mismatch; a measurement data analysis system to analyze the commissioned measurement data to determine a probable cause of said mismatch, and to provide analysis data identifying the probable cause; and an action determination system to receive said analysis data and to output action data dependent on the analysis data, the action data identifying one or more configuration changes to be made to the mobile phone network to reduce the mismatch.

A prosthetic ankle and foot combination has an ankle joint mechanism constructed to allow damped rotational movement of a foot component relative to a shin component. The mechanism provides a continuous hydraulically damped range of ankle motion during walking with dynamically variable damping resistances, and with independent variation of damping resistances in the plantarflexion and dorsiflexion directions. An electronic control system coupled to the ankle joint mechanism includes at least one sensor for generating signals indicative of a kinetic or kinematic parameter of locomotion, the mechanism and the control system being arranged such that the damping resistances effective over the range of motion of the ankle are adapted automatically in response to such signals. Single and dual piston hydraulic damping arrangements are disclosed, including arrangements allowing independent heel-height adjustment.

Systems and methods are disclosed herein for providing resistance to movement of a wearer. The system includes a plurality of wearable actuators, a plurality of wearable sensors, and a processor. Each of the wearable sensors measures an indication of an orientation of a corresponding one of the wearable actuators with respect to a vertical direction. Each of the sensors also measures an indication of a motion experienced by the corresponding one of the wearable actuators. The processor receives data from each sensor indicating the orientation and the motion of the sensor. The processor determines an amount of resistance to apply using each of the actuators based on the vertical direction and sends instructions to the actuators. The instructions cause the actuators to apply a resistance to the wearer.

A means for improving the dynamic and voltage stability of utility transmission systems is provided by the coordinated control of windfarms. Electrical measurements of the system, which may include synchronized phasors, are supplied to one or more windfarm controllers, which in turn perform a regulation function improving the damping of electromechanical oscillations or voltage performance in the utility system. The control structure is of a decentralized nature, which maintains operation in case of communication failures. The benefits are improved damping to electromechanical oscillations and better voltage performance and ultimately increased utilization of assets, reducing the install additional network assets.

A docking station (100) is adapted for charging or otherwise transmitting electrical signals to an electronic device (240). The docking station (100) includes a main housing (102) and a device connector assembly (204). The device connector assembly (204) is coupled to the main housing (102) and electronically connected to circuit components (130, 132) for mechanically and electrically coupling the electronic device (240) to the docking station (100).

A surface cleaning apparatus has a dirty air inlet and an air treatment member. The air treatment member includes a dirt collection region having an openable door. When an accessory is connected to the dirty air inlet, the openable door is inhibited from opening.

A formulation composed of a sugar such as glucose and a surfactant such as myristoyl lysophosphocholine (LMPC) has been designed to stabilize both hydrophilic and hydrophobic portions of the glucagon molecule, under prolonged physiological conditions, in a formulation that is sufficiently similar to the pH and osmolarity of plasma so as not to induce or to minimize site irritation. The combination of a simple sugar and an surfactant stabilizes the glucagon molecule in an aqueous solution for seven days at 37° C.

An anatomically customized plantar hone plate and system for an angularly stable fixation for the arthrodesis of the tarsometatarsal I joint. The bone plate has a distal plate portion which extends in the longitudinal direction and in which a distal bore is formed for receiving a bone screw at a stable angle, a proximal plate portion which extends transverse to the longitudinal direction, and a central plate portion which extends between the distal and the proximal plate portions and which is made with a curved plate portion with at least one bending zone for the purpose of anatomical customization. A plantar bore for receiving a bone screw to be fixed to the sole of the foot at a stable angle and a bore that is medially inclined for receiving a bone screw to be fixed in a medially inclined manner at a stable angle are arranged in the proximal plate portion adjacently to each other transverse to the longitudinal direction.

A system for non-invasively monitoring a stress level of a subject is presented. A sensor is configured to monitor an attribute of the subject. A housing is configured to removably attach to the subject, the housing includes a processor in communication with the sensor, the processor is configured to retrieve data from the sensor, and use the data retrieved from the sensor to determine a stress level of the subject.

The disclosed technology enables manufacturers to efficiently design and manufacture structural wall panels, floor panels and roof panels from cold-formed steel for use in residential and commercial construction. The panels are individual components that can be installed at a building site to form a structure that includes walls, floor and a roof. Structures may be manufactured in a manufacturing facility and delivered to a construction site for installation.

A rotor assembly for a multirotor aircraft, and a multirotor aircraft, are disclosed herein. The rotor assembly has a first motor having a first axis of rotation and a first propeller connected to the first motor. The rotor assembly has a second motor having a second axis of rotation, and a second propeller connected to the second motor. The second propeller is smaller in length than the first propeller. The first motor and the first propeller produce a greater proportion of a total lift thrust of the rotor assembly than the second motor and the second propeller. The multirotor aircraft includes an airframe and a plurality of the rotor assemblies mounted to the airframe.

Turf (1) for sports, recreactional activities and/or for ornamental purposes comprising a mat of flexible material (10) equipped with a first face (11) and a second face (12) opposite to each other. To the mat (10) a plurality of fibres (20) are connected of an artificial material in such a way that it forms an artificial turf (50) that protrudes from the first face (11). The turf (1) comprises, furthermore, a measured amount of a loose infill material (50), for example of granular type, distributed on the face (11) of the mat (10). The turf (1) comprises, furthermore, natural vegetable material, i.e.

plants, belonging to one, or more plant species (30) put in the loose infill material (50) by means of sowing, traplantation of portions of plants, or a combination of the two solutions. The fibres of artificial material (20) have a profiled shape comprising a main blade (21) and at least one side wing (22). More precisely, the side wing (22) has a curved profile suitable for forming a channel (25) arranged substantially parallel to the main blade (21) in order to form a channel that is substantially parallel to said main blade, so that the profile of the channel partially or completely encircles the spaces that are occupied by water, roots and loose infill material, creating a water reserve for roots.

A docking station (100) is adapted for charging or otherwise transmitting electrical signals to an electronic device (240). The docking station (100) includes a main housing (102) and a device connector assembly (204). The device connector assembly (204) is coupled to the main housing (102) and electronically connected to circuit components (130, 132) for mechanically and electrically coupling the electronic device (240) to the docking station (100).

A gardening stake kit for plant training includes a plurality of shaft segments that are connectable end to end to form a shaft of variable lengths. A plurality of grooves or protrusions are formed in or on an outer periphery of each shaft segment. A pointed base is connectable to one end of a shaft segment, and a plurality of arms that are connectable to the grooves or protrusions formed in each shaft segment. Preferably, the grooves or protrusions are formed at more than one angle relative to the top and bottom of each shaft segment and, preferably, include horizontal grooves or protrusions as well as angular grooves.

Efficient chemical processes for preparing high yields, purities, and different polymorphic forms of 17-allyl amino geldanamycin (17-AAG) and other ansamycins are described and claimed.

The disclosed technology enables manufacturers to efficiently design and manufacture structural wall panels, floor panels and roof panels from cold-formed steel for use in residential and commercial construction. The panels are individual components that can be installed at a building site to form a structure that includes walls, floor and a roof. Structures may be manufactured in a manufacturing facility and delivered to a construction site for installation.

A seated user-propelled vehicle (500) can be propelled using levers (1000) acting on the rear side wheels (595). The levers are disposed between the wheels and the sides (530, 532) of the vehicle and can be moved together, separately or in turn. The levers have curved drive ends (113), the faces of which include a length of roller chain (127) to mesh with freewheels (555) on the hubs of the wheel axles (560) and are held in sufficient co-operation against the freewheels due to tensioning. The levers can be raised through approximately 90° in each drive stroke. Smooth and effective propulsion is obtained. Other uses of the drive levers are disclosed, including a go-kart, power generator, watercraft and personal exercise machine.

A novel caster assembly with a horizontally orientated arm is attached to a base plate of a rack during a travel state and a stored state. A leveling foot with a flat portion and a non-flat portion is inserted through a slot on the arm and a hole on the base plate such that during the travel state, the horizontal orientated arm is in a fully extended position, and during the stored state, the horizontal orientated arm is in a non- extended position.

A bullet or projectile having surface geometry in the form of a spiral or partial spiral groove. The spiral can be formed, cast or machined and very in depth, angle, and width. The spiral may go from the nose to the end of the bullet in one continual grove or the spiral may be focused on certain, areas of the bullet. The bullet may consist of any material capable of being formed, cast or machined and be of any caliber.