31results about How to "Improve passenger comfort" patented technology

A system for anticipated measurement of turbulence upstream of an aircraft, placed on-board the aircraft. A lidar transmits an optical beam toward the front of the aircraft and receives the backscattered optical beam. A direct detection device is associated with a controller. A first processing component uses a first internal correction algorithm, and a second processing component uses a second external correction algorithm delivering possible command signals to actuators of at least one aircraft control surface.

An aircraft system for improved cooling efficiency comprises at least one air conditioning pack, coupled to an aircraft, having at least one air compression device powered by at least one power source and having an air compression device inlet. The system further comprises at least one air flow path for redirecting a first portion of a first volume of aircraft interior outflow air from an aircraft interior to the air compression device inlet. The air flow path includes a shutoff valve to enable the air flow path during ground operation of the aircraft and to disable the air flow path for flight operation of the aircraft. The air compression inlet mixes the first volume of aircraft interior outflow air with a second volume of aircraft exterior inflow air to form an air mixture. The air conditioning pack conditions and circulates the air mixture into the aircraft interior.

A system for anticipated measurement of turbulence upstream of an aircraft, placed on-board the aircraft, includes a lidar, an image detector, a first processing component, and a second processing component. The lidar transmits an optical beam toward a front of the aircraft and receives a backscattered optical beam. The image detector detects variations in wind speed based on the backscattered optical beam. The first processing component uses a first internal correction algorithm to calculate values of components of the wind speed. The second processing component uses a second external correction algorithm to deliver possible command signals to actuators of at least one aircraft control surface based on the calculated values of the components of the wind speed from the first internal correction algorithm.

An aircraft system for improved cooling efficiency comprises at least one air conditioning pack, coupled to an aircraft, having at least one air compression device powered by at least one power source and having an air compression device inlet. The system further comprises at least one air flow path for redirecting a first portion of a first volume of aircraft interior outflow air from an aircraft interior to the air compression device inlet. The air flow path includes a shutoff valve to enable the air flow path during ground operation of the aircraft and to disable the air flow path for flight operation of the aircraft. The air compression inlet mixes the first volume of aircraft interior outflow air with a second volume of aircraft exterior inflow air to form an air mixture. The air conditioning pack conditions and circulates the air mixture into the aircraft interior.

A hull structure with an underwater appendage comprises an underwater appendage structure arranged below the hull; a suspension is arranged between the underwater appendage structure and the hull; the hull structure arranges the suspension between the hull and the underwater appendage structure so as to buffer the wave impact load on the underwater appendage structure; the suspension can attenuate impact vibrations, can weaken refloating motions caused by posture adjustment, and comprises an elastic piece, a damper and a guide mechanism respectively providing buffering, damping and force transmission effects; the underwater appendage structure receives the impact transferred by the waves; the guide mechanism transfers force and moment between the underwater appendage structure and the bottom of the hull; the elastic piece can be deformed; the damper can provide damping effect for the elastic piece so as to prevent the elastic piece from swinging back and forth, so the impact on the bottom of the hull can be greatly reduced, thus improving hull sea-keeping, and improving passenger comfort level on the hull.

A terrain avoidance method and system for an aircraft includes a collision alarm device and an auto-pilot device including a first determination unit for determining a climbing order with optimal slope for the aircraft, a checking unit for checking whether a first altitude gain at the relief, by applying the optimal slope climbing order, is sufficient for clearing said relief, a finding unit for finding if at least one heading variation value exists, for which the corresponding altitude gain is sufficient to clear the relief, and a switching and calculating unit for applying to the aircraft, if the first altitude gain is sufficient, an optimal slope climbing order with an order to maintain the current heading and, if the first altitude gain is insufficient, a particular climbing order sufficient to clear the relief, with a heading order which corresponds to the selected heading variation value.

The invention provides an intelligent and safe elevator. The intelligent and safe elevator comprises a rechargeable battery mechanism, a disaster escape mechanism, a detection mechanism, a plurality of lifting mechanisms, a visual intercom mechanism, a fireproof mechanism, a function module and a communication module. By means of the technical means, when an emergency happens to the elevator, different lifting manners can be adopted in the elevator, and therefore it is ensured that a rechargeable battery achieves the optimal function, so that safe and effective running of the elevator is achieved. The technical problems that an existing elevator is likely to be disturbed, and consequently energy waste is caused, effective running cannot be ensured when a disaster happens, communication between passengers and the outside is not humanized enough, and remote calling or control cannot be achieved are effectively solved; and then the technical effects that the elevator runs intelligently and safely, energy is saved, effective running is ensured when the disaster happens, remote calling and control of the passengers are achieved, and humanized communication between the passengers and the outside is achieved are achieved.

A method for automatic yaw axis control in aircraft with mechanical controls, said aircraft including a yaw actuator to control orientation of a yaw control surface and deliver a measured value of the torque on the control surface, a yaw trim actuator driving movement of a yaw trim control surface limiting the force applied by the yaw actuator to orient the yaw control surface, and sensors supplying an estimate of a lateral yaw force, includes calculating a setpoint value for the position of the yaw control surface determined by the estimated lateral force, an estimated torque of the yaw actuator determined by the measured value of the torque of the yaw actuator and a measured position of the yaw control surface, the estimated torque calculated having a lower oscillation dynamic range than the measured torque, and a trim command for activating / deactivating the yaw trim actuator determined by the estimated torque.

The invention discloses a step chain same-side assembling method, and relates to the technical field of step chain assembling. Signs on a chain plate are used for recognizing an assembling datum so as to improve step chain assembling precision. Manufacturing of a step chain includes a chain plate blanking process, a chain link pressing process and a chain assembling process. The chain plate blanking process includes chain plate dropping, primary punching and secondary punching. The signs on the chain plate are completed in the chain plate blanking process. The chain link pressing process includes chain link pressing, and the signs on the chain plate must be located at the same side in the chain link pressing process. The chain assembling process includes segmented and striped assembling of the step chain, and the signs on the chain plate must be located at the same side in the chain assembling process. The signs on the chain plate are both used as the datum in the manufacturing processes of the step chain and are further placed at the same side, the step chain assembling precision is improved and the passenger comfort level of an escalator with the step chain is also improved.

The invention relates to an air conditioning outlet structure and a vehicle. The air conditioning outlet structure includes a housing for limiting an air duct, a plurality of vanes, and a vane fixingbeam which is arranged on an air outlet position of the air duct and is fixed on the housing; the plurality of vanes are arranged at intervals in the width direction of an air outlet; the air conditioning outlet structure also includes a linkage member and a drive member; front ends in the air blowing direction, of the plurality of vanes are hinged to the linkage member through second hinge points; the drive member can drive the linkage member to move in the air blowing direction and the width direction to allow the plurality of vanes to rotate around first hinge points and the second hinge points so as to reach an advection position and a diffusion position; at the advection position, the plurality of vanes are parallel to each other so as to blow parallel air out; and at the diffusion position, a distance between the front ends in the air blowing direction, of the two adjacent vanes is less than a distance between back ends in the air blowing direction, of the two adjacent vanes, andthen diffusion air can be blown out. The air conditioning outlet structure can improve the use comfort of users.

The invention discloses a stiffened and reinforced magnesium alloy suspended air train body and a manufacturing method thereof. The stiffened and reinforced magnesium alloy suspended air train body comprises a roof, a side wall, a train body, a stiffening and reinforcing material, an internal embedded structure, an external embedded structure, an end wall, a train body edge, a train underframe anda stiffening and reinforcing structure. According to the stiffened and reinforced magnesium alloy suspended air train body, by placing a belt-shaped or bunch-shaped stiffening and reinforcing material with super high strength and high elastic modulus into a groove communicating with the train body surface edge and using a welding, gluing, inserting or riveting mode to fix the belt-shaped or bunch-shaped stiffening and reinforcing material with super high strength and high elastic modulus, the integral stiffness and strength of the train body is enhanced to achieve a stiffening and reinforcingeffect on the train body; on the premise of enhancing the safety and reliability in operation, sufficient light weight is realized; in addition, as the train body integrally adopts an all-magnesium alloy structural design, the weight of the whole train body is small, and the operation efficiency and safety are high; and therefore, the train body has obvious effects of making operation and controlconvenient, saving energy, reducing emission, absorbing shock and reducing noises, urban traffic noise pollution can be effectively reduced, and the taking comfort of a user is improved.

A method for automatic yaw axis control in aircraft with mechanical controls, said aircraft including a yaw actuator to control orientation of a yaw control surface and deliver a measured value of the torque on the control surface, a yaw trim actuator driving movement of a yaw trim control surface limiting the force applied by the yaw actuator to orient the yaw control surface, and sensors supplying an estimate of a lateral yaw force, includes calculating a setpoint value for the position of the yaw control surface determined by the estimated lateral force, an estimated torque of the yaw actuator determined by the measured value of the torque of the yaw actuator and a measured position of the yaw control surface, the estimated torque calculated having a lower oscillation dynamic range than the measured torque, and a trim command for activating / deactivating the yaw trim actuator determined by the estimated torque.

The invention relates to a vehicle armrest, a vehicle door trim panel assembly and a vehicle. The vehicle armrest comprises an armrest framework, wherein the armrest framework comprises a plurality ofsections which are sequentially arranged from outside to inside, and a transverse collapse structure (1) is arranged between at least one set of adjacent sections, and the transverse collapse structure (1) is arranged to fracture under a preset collision condition. According to the technical scheme, the vehicle armrest can simultaneously give consideration to both the passenger comfort and the side collision safety of the vehicle.

The invention discloses a damping mechanism used for an elevator tractor, and is characterized by comprising a rectangular frame encircling an elevator carriage, and four frames of the rectangular frame are respectively uniformly provided with multiple elastic shock absorption elements at intervals. The damping mechanism, provided by the invention, has the advantages of simple structure and convenience for use.

The invention discloses a reinforced-steel magnesium alloy passenger car frame and a design method thereof, and belongs to the field of frames. The reinforced-steel magnesium alloy passenger car frame comprises a front beam, a rear beam and a connecting beam arranged between the front beam and the rear beam. The design method of the reinforced magnesium alloy passenger car frame comprises the following steps the modeling is carried out on hypermesh software according to the structural shape size of the frame, and the finite element model of the frame is imported into Ansys software; and the structural strength of various working conditions is calculated in the Ansys software. According to the reinforced-steel magnesium alloy passenger car frame, the full-magnesium alloy structure design is adopted, the structure is firm and compact, the layout is reasonable, and meanwhile, modeling is carried out through the size of the frame, strength analysis is carried out to judge whether the requirement for structural strength is met or not is judged, a real-time physical load test procedure is omitted, the test verification method is more efficient, and the test verification cost is reduced.

The present disclosure relates to an armrest for a vehicle, a door trim panel assembly and a vehicle. The armrest for a vehicle includes an armrest frame, wherein the armrest frame includes a plurality of segments arranged sequentially from outside to inside, and at least one A lateral collapse structure (1) is arranged between two adjacent segments, and the lateral collapse structure (1) is configured to break under preset collision conditions. Through the above technical solution, the vehicle armrest provided by the present disclosure can simultaneously take into account the passenger comfort and side impact safety of the vehicle.

The invention provides a vehicle window assembly and a vehicle. The vehicle window assembly comprises at least two vehicle windows which are formed into an integrated structure, and the at least two vehicle windows cover at least one part of the front side, the rear side and the top of a vehicle cabin. According to the vehicle window assembly and the vehicle, the at least two vehicle windows of the integrated structure are formed to cover part of the area of the vehicle cabin, so that an extremely small view obstruction area is formed in the covered area, a better view is brought, and the riding comfort of a user is greatly improved.

The invention discloses a carriage wall used for an elevator, and is characterized by comprising a rectangular metal frame, wherein two lateral surfaces of the frame are respectively fixedly provided with a metal plate wall, a sound insulation material is filled between the metal plate walls, and the sound insulation material is in contact with the metal plate walls on the two lateral surfaces of the frame respectively through the thickness of the sound insulation material. The carriage wall, provided by the invention, has better sound insulation effect.

The invention provides an elevator double-side folding car door, and relates to the field of elevators, the elevator double-side folding car door comprises two groups of folding door bodies in bilateral symmetry and an electric driving system, one sides of the two groups of folding door bodies are hinged to a vertical frame of an elevator car, and when the car door is opened, the electric driving system drives the two groups of folding door bodies to be folded towards the two sides of the elevator car; the width of a portal crane is not larger than that of the elevator car, so that the limited hoistway space can be fully utilized; the folding car door comprises the two groups of folding door bodies which are bilaterally symmetrical, so that the width of one single group of folding door bodies is relatively small, when the folding car door is opened, the two groups of folding door bodies are driven by the electric driving system, a passenger does not need to manually open and close the car door, the extension range of the single group of folding door bodies is located in two side areas in the elevator car, the extension range is small, and therefore, the riding comfort is effectively improved.

Installation of transport by overhead cable including at least one chair configured to be suspended on the overhead cable and including a pivoting seat surface, a back rest and a pivoting mechanism to modify the inclination of the seat surface with respect to the back rest, the installation including an actuator configured to cooperate with the pivoting mechanism so as to control pivoting of the seat surface, the actuator being mounted movable between a raised position in which the actuator controls raising of the seat surface in the direction of the back rest and a lowered position in which the actuator controls lowering of the seat surface.