948 results about "Airbag deployment" patented technology

The invention relates to a BUCK-BOOST converter control circuit, a control method and a safety air bag chip, the peak value of inductive current is detected through a current sampling compensation module, stable control of output voltage is achieved, the dynamic response speed is high, the loop stability is good, and meanwhile the circuit structure is simple. According to the BUCK-BOOST converter, stable switching of the working modes of the BUCK-BOOST converter is achieved through the mode control module, and it is ensured that the BUCK-BOOST converter can still work normally under the high voltage level. And the slope compensation unit is introduced into the circuit, so that subharmonic oscillation can be effectively prevented when the duty ratio of the PWM signal is greater than 50%, and the stability of the system is ensured.

A vehicle seat for a motor vehicle, comprising a backrest, a seat and an airbag device, wherein the airbag device comprises at least one airbag module and at least one arrestor strap mechanism, wherein the at least one airbag module comprises at least one airbag and the at least one arrestor strap mechanism comprises at least one arrestor strap arrangement and at least one tensioning device for the arrestor strap arrangement, wherein one end of the arrestor strap arrangement is attached to the airbag, wherein the tensioning device is arranged on the seat.

A system for detecting occupants of a vehicle includes memory hardware configured to store instructions and processor hardware configured to execute the instructions. The instructions include, based on an outcome of a first set of criteria, associating image data with a first set of scores. The first set of scores includes a first score and a second score. The instructions include, based on an outcome of a second set of criteria, associating the data with a second set of scores. The instructions include combining the first set of scores and the second set of scores, including determining a first metric and determining a second metric. The instructions include comparing the first metric and the second metric. The instructions include, in response to a determination that the first metric is greater than the second metric, organizing the data into a first category and activating an airbag of the vehicle.

The invention relates to the technical field of safety performance testing, and discloses an anti-falling waistcoat protection performance testing method and system. According to the method, a bionic human body model is driven through a multi-degree-of-freedom impact simulation device, a standard test dummy wearing an anti-falling waistcoat is impacted in multiple preset postures including the combination of a pitch angle and a roll angle, and a real falling scene is simulated; a flexible piezoresistive sensor array embedded into the inner layer of the waistcoat is used for collecting dynamic pressure distribution data in real time, and an air bag unfolding time sequence image is synchronously recorded; calculating a pressure dispersion rate based on the pressure data, determining protection response delay in combination with image analysis, and generating an attitude adaptability evaluation index through a multi-attitude test result; and finally, executing a continuous inflation and deflation cycle test to evaluate the sealing performance and the sensor stability. According to the method, the dynamic protection performance, the airbag response efficiency and the long-term use reliability of the anti-falling waistcoat in a complex impact posture can be comprehensively detected, and the consistency of a test result and an actual protection effect is improved.

The utility model discloses a side punching die for an exhaust hood of an automobile safety air bag. The side punching die comprises an upper die and a lower die, an exhaust hood is arranged between the upper die and the lower die, and the upper die and the lower die form a side punching hole in the exhaust hood; the upper die comprises an upper supporting part; the upper mold core is connected to the upper supporting part; the elastic upper die wedge is connected to the upper supporting part; the lower die comprises a lower supporting part; the unloading plate is connected with the lower supporting part, and the top of the unloading plate is in contact with a flange on the exhaust hood; the lower die wedge is connected with the lower supporting part; the lower die core is arranged in the lower supporting part, is connected with the lower die wedge and is connected with the unloading plate; one end of the side punch is in sliding connection with the lower die core, and the other end of the side punch makes contact with the lower die wedge and is used for forming a side punched hole; the elastic side sliding block is connected in the lower supporting part in a sliding manner, is linked by the elastic upper die wedge and is used for pressing the outer wall of the cover cylinder; therefore, the technical problems that the machining difficulty is relatively large, and chippings and burrs are clamped in the mold, so that the mold is damaged are solved.

A tether mechanism for an airbag module including an airbag, the mechanism comprising: at least one tether arrangement, wherein one end of a tether arrangement can be attached to the airbag; and a tautening device for the tether arrangement.

An airbag device that is stowed in the instrument panel of a vehicle in order to protect an occupant in a passenger seat and includes an inflator for generating expansion gas along with an airbag that inflates and deploys toward the occupant side via gas released from the inflator. The airbag is connected to the inflator and includes a main chamber positioned in front of the occupant properly seated during deployment and a sub chamber connected to at least one side of the main chamber. An inner vent through which gas flows, is formed at a boundary portion of the main chamber and the sub chamber. Furthermore, a check valve for opening and closing the inner vent is provided.

A side airbag device capable of preventing interference between a harness and an airbag is provided between a vehicle body and a seat. The side airbag device includes an airbag module an inflatable airbag and an inflator supplying a gas into the airbag, a base member including an airbag storage portion having a concave shape and storing the airbag module and is attached between a vehicle body door and the seat, and a retainer member holding the airbag storage portion from the rear side of the vehicle body. The base member includes a first through hole through which a harness of the inflator is inserted and a flange which is formed in the periphery of the first through hole. The retainer member includes a second through hole through which the harness of the inflator is inserted and which is provided at a position facing the first through hole.

An embodiment airbag device includes a first airbag configured to be deployed in a shape covering a lateral outer periphery in a vehicle and a second airbag configured to be deployed at a position different from a position of the first airbag in the vehicle and coupled and supported by a coupling device at a portion where the second airbag overlaps the first airbag.

An airbag configured to be inflated by a source of gas, the airbag being formed from first and second layers of fabric arranged in superimposition to define an inflatable chamber between the layers for the receipt of inflating gas. Each layer of fabric has a structure (e.g. a weave) comprising at least one yarn, and the two layers are interconnected by at least one tether yarn extending between the layers within the inflatable chamber. The or each tether yarn is implicated in the structure of the first layer at a plurality of first connection regions, and is implicated in the structure of the second layer at a plurality of second connection regions. Each said first connection region is wider in a length-direction of the, or each, tether yarn than each said second connection region, and said second connection regions are offset relative to said first connection regions.

A protection device for the head of a human comprising an airbag having an outer skin enclosing a gas space. The inflated airbag of this protection device covers at least a part of the face of said human.

The invention relates to an airbag which is configured to be set from an uninflated state into an inflated state by an inflation operation to protect an occupant of a vehicle, the airbag comprising at least two fabric layers which are connected to one another in such a way that at least a first airbag chamber and a second airbag chamber being separate from the first airbag chamber are formed. According to the invention, it is further provided that the fabric layers are connected to one another so that the first airbag chamber and the second airbag chamber can be set independently of each other from the uninflated state thereof into the inflated state thereof, respectively, and the first airbag chamber, starting from uninflated state thereof, curves outwardly during a first inflation operation of the first airbag chamber and / or forms a tubular shape with an oval or circular cross-section at least in portions in the inflated state of the first airbag chamber, and thereby an overlapping portion, preferably an outer overlapping portion, of the second airbag chamber in the uninflated state thereof or in the inflated state thereof overlaps, preferably radially overlaps, an overlapping portion, preferably an inner overlapping portion, of the first airbag chamber.

The invention discloses an airship type unmanned aerial vehicle inspection system and inspection method, and belongs to the field of inspection unmanned aerial vehicles. The system comprises a laser radar, an image acquisition device, an airship capsule filled with helium, a standby safety airbag, a communication module and a ground control center, in the method, the ground control center sets an inspection path and issues the inspection path, and the unmanned aerial vehicle flies according to a preset path. During fault detection, the high-definition camera collects images to recognize line cracks and broken strands, the thermal infrared imager monitors the joint temperature, the gas sensor detects abnormal gas, and multi-source data fusion assists in defect positioning. The routing inspection takes a starting point-terminal point connecting line of a power transmission line as a reference, identifies main obstacles and surrounding nodes to perform global planning, performs key routing inspection on a risk area in combination with historical data, and initializes and guides a flight direction through a Q value to reduce invalid exploration. The four-rotor unmanned aerial vehicle solves the problems of short flight time and poor stability of a four-rotor unmanned aerial vehicle, improves the inspection stability and cruising ability, and improves the inspection efficiency of a power transmission line and the reliability of a power system.

Aspects of the disclosure relate to methods, apparatus, and systems for optimizing an energy exerted on a performer falling from an elevated platform and impacting an airbag. A system is configured to determine a weight of the performer to fall from the elevated platform toward the airbag, measure a distance between the elevated platform and the airbag, and set an air pressure of the airbag based on the weight and the distance prior to the performer falling toward the airbag. The system is further configured to determine, while the performer falls toward the airbag, a velocity the performer will reach upon impact with the airbag, and adjust the air pressure of the airbag based on the velocity while the performer falls toward the airbag to optimize an energy exerted on the performer when the performer impacts the airbag.

An airbag device includes a gas generator including an ignition device, a gas generating agent and a housing and provided with a gas discharge port, a shielding member covering an outside of the housing and moving to a shielding position located in a discharge direction of a combustion gas from the gas discharge port and a non-shielding position not located in the discharge direction of the combustion gas from the gas discharge port, an elastic member disposed between the housing and the shielding member and configured to energize the shielding member to position the shielding member at the shielding position or the non-shielding position in accordance with a magnitude of an external force received by the shielding member, and an airbag bag body disposed in communication with the inside of the housing through the gas discharge port of the gas generator, and accommodating the shielding member and the elastic member.

The invention relates to the technical field of low-altitude aircrafts, in particular to an emergency landing system and method for an aerocar, and ensures stable operation of a parachute in emergency through accurate opening judgment, starting, unfolding control and wind resistance adjustment functions of a parachute module. Secondly, the low-altitude sensing and obstacle avoidance module realizes real-time monitoring of the surrounding environment of the hovercar and formulation of an obstacle avoidance strategy by integrating various sensors and intelligent algorithms. And the emergency landing safety air bag module is used for rapidly unfolding a safety air bag before landing, so that an effective buffer layer is formed, and the impact force during landing is reduced. And the precise flight control module is responsible for keeping the stable attitude and precise path planning of the hovercar in the landing process. And finally, the power management module is automatically switched to the standby power supply when the main power supply fails, so that the continuous operation of the key system is ensured.

A knee airbag apparatus including an airbag cushion including a lower sheet portion, an upper sheet portion to overlap the lower sheet portion to form a cushion space together with the lower sheet portion, and a folded portion formed by folding the upper sheet portion so that portions of the upper sheet portion overlap partially, and an inflator to supply a gas to the cushion space so that the airbag cushion is deployed.

A safety device storage kit for a personal mobility apparatus can safely store a user-wearable airbag module of a personal mobility apparatus from the risk of theft and loss, and can improve the safety by indicating the fact that the personal mobility apparatus is running in the form of a light beam and / or sound from a speaker.

An airbag device has an airbag. The airbag has a front-rear chamber and an airbag main body. The front-rear chamber has a left and right pair of front-rear extending portions that pass by respective left and right sides of a head of a passenger and inflate and deploy toward the seat front side, and a connecting portion connecting front end portions of the pair of front-rear extending portions in a seat left-right direction. The airbag main body inflates and deploys toward a side of the passenger at a seat rear side of the connecting portion, later than the front-rear chamber. The airbag main body has a downward-force applying portion that applies force directed toward a seat lower side to the airbag at a time when the passenger is restrained by the airbag.

The invention discloses an air bag shell injection molding device and an injection molding method thereof, and relates to the technical field of injection molding devices. Comprising an injection mold part, a feeding heating part is installed on the injection mold part, and the feeding heating part is used for preventing clamping stagnation; a closed mounting piece is mounted on the feeding heating piece; the closed mounting piece is positioned above the injection mold piece; an air pressure control piece is mounted on the closed mounting piece; the air pressure control piece is used for detecting injection material leakage; an elastic sealing piece is mounted on the sealing mounting piece; a heating switch is adopted, so that when the lower mold and the upper mold are separated and need to be demolded, only possible flashes can be heated and softened in a heating mode, and clamping stagnation damage can be avoided when the air bag shell is demolded; the problems that according to an existing safety air bag shell injection molding device, heating is not convenient to automatically control to prevent clamping stagnation, and meanwhile grouting leakage and gun head deviation are not convenient to detect in real time are solved.

The invention discloses a recyclable built-in safety air bag system of an automobile. The recyclable built-in safety air bag system comprises a control unit, a high-pressure air pump, an air storage tank and an air bag module. One end of the air storage tank is connected with the high-pressure air pump, the other end of the air storage tank is connected with the air bag module, a one-way valve is arranged between the high-pressure air pump and the air storage tank, and an inflation valve is arranged between the air storage tank and the air bag module. After a trigger signal is detected, the control unit activates the inflation valve, high-pressure gas in the gas storage tank is injected into the gas bag module through the gas guide pipe, and the gas bag module is completely unfolded. The air bag module comprises a negative pressure pump, a recovery motor and an air bag, after collision is finished, air in the air bag is exhausted through the negative pressure pump, then the air bag is driven by the recovery motor, and the air bag is folded and recovered to the original position. Through a high-pressure gas driving and recycling mechanism, the problems that a traditional air bag is polluted and cannot be repeatedly used are solved, and meanwhile the safety performance is improved.

An airbag configured to be part of a wearable safety system that allows for the provision of face protection is provided. The airbag (100) comprises a C-shaped neck portion (4) having a mouth portion (9) mating with a central opening (10) configured to receive a user's neck. The neck portion (4) is adapted to partially encircle the user's neck. The airbag further comprises first and second elongated face portions (5) extending from the C-shaped neck portion (4) in regions opposite the mouth portion (9), each face portion (5) having two opposing long sides. A first attachment portion (20) of one of the two opposing long sides of the first face portion (5) is attached to an inner peripheral edge portion (23) of the central opening (10) in a region adjacent to the first edge portion (12) of the mouth portion (9), and a first attachment portion (22) of one of the two opposing long sides of the second face portion (5) is attached to the inner peripheral edge portion (23) of the central opening (10) in a region adjacent to the second edge portion (12) of the mouth portion (9). Further provided is a wearable safety system comprising a harness (200).

A vehicle seat includes a frame; a pad disposed on the frame; a skin covering the pad; an airbag device attached to the frame, and including an airbag and an inflator; a guide member that is provided on an inner surface side of the skin at a position corresponding to the airbag device, and that guides a deployment of the airbag; and an engagement member that pulls the skin in the pad. A length in an up to down direction from a first upper end to a first lower end of the engagement member is longer than a length in the up to down direction from a first upper end portion to a first lower end portion of a first end portion of the guide member.

An airbag device arranged on a backrest part of a moveable seat device of a motor vehicle includes first and second gas bags. The first gas bag is deployed into a receiving position by a deployment unit of the airbag device responsive to an actuation signal. In the receiving position the first gas bag is designed to receive a body part of an occupant of the motor vehicle, the occupant facing the backrest part. The second gas bag, at least in the receiving position, is deployed between the backrest part and the first gas bag.

The invention provides a vehicle emergency unlocking system and an unlocking method.The vehicle emergency unlocking system comprises an air bag restraint system controller, a door lock control module, a door lock and an explosion unlocking module, the air bag restraint system controller is connected with the door lock control module, and the output end of the door lock control module is connected with the door lock; the safety air bag controller is connected with the explosion unlocking module, and the explosion unlocking module is arranged in the door lock. The safety air bag controller outputs a control instruction to the door lock control module after the safety air bag is triggered, and the door lock control module controls a door lock to be unlocked; when the safety air bag controller detects that the door lock control module breaks down, current pulses are output to the explosion unlocking module, and the explosion unlocking module ignites an unlocking mechanism in the door lock. Through redundancy design, when the door lock control module breaks down or is powered off, emergency unlocking is conducted in an explosion unlocking mode, personal safety is protected, and the safety of a vehicle is improved.

An extruded side curtain airbag ramp including a tear-resistant material forming at least one attachment feature and method for manufacturing said extruded side curtain airbag ramp. The airbag ramp, according to the present invention incorporates a plurality of extruded materials and provides an easier manufactured product and attachment.

When an airbag is inflated by inflation gas flowing into the airbag, the airbag is inflated rearward while protruding upward from a storage portion on an upper surface side of an instrument panel. The airbag includes a bag main body and an outer tether portion disposed on an outer peripheral surface side of the bag main body. The bag main body has an upward recessed portion on a lower surface side of the front side with respect to an occupant side wall portion disposed on a rear surface side of the completely inflated bag main body. The outer tether portion is provided to connect a rear lower end side of the completely inflated bag main body and a front edge side of the recessed portion so that the rear lower end of the completely inflated bag main body can be disposed close to a rear surface of the instrument panel.

An airbag cover assembly (100) including an airbag cover (102) including a frontal wall defining a cavity (120) and a plurality of apertures (130) arrayed along a periphery of the frontal wall and a plurality of engagement structures (140). The airbag cover assembly includes an emblem structure (160) having an emblem configured to illuminate and arranged inside the cavity and coupled to the airbag cover. The airbag cover assembly includes a covering member arranged abutting the frontal wall of the airbag cover and disposed covering the emblem structure. The covering member includes a plurality of protrusions (180) having thermally formed heads (184) arranged inside the plurality of apertures and a plurality of retention structures mechanically engaged with the plurality of engagement structures. The covering member allows a passage of light from an inside to an outside of the cover assembly upon illumination of the emblem to enable a viewing of the emblem from the outside.

Provided is an airbag device that comprises an airbag deploying from a roof portion of a cabin and that can appropriately protect an occupant.　The air bag protects the occupant by expanding in front of the occupant in the cabin. The airbag includes a main chamber 17 that deploys downward from the roof portion of a vehicle, and a protruding portion that deploys so as to protrude toward the front of the vehicle at a lower part of the main chamber 17. The protruding portion can be a sub-chamber 18 provided so as to be in fluid communication with the main chamber 17, and the sub-chamber 18 is expanded and deployed by gas flowing in from the main chamber 17 through a vent hole 22. When viewed from the side direction of the vehicle, the vent hole 22 is located below the center C1 of the main chamber 17 in a longitudinal direction L1.

Airsoles or bladders for articles of footwear comprising multi-layered films are provided herein. In one aspect, the airsoles or bladders comprise a first sheet and a second sheet, wherein a first side of the first sheet faces a second side of the second sheet, wherein the first sheet and the second sheet are bonded together to form an internal cavity in a space between the first side of the first sheet and the second side of the second sheet, forming a bladder capable of retaining a gas in the internal cavity at a pressure above atmospheric pressure, at atmospheric pressure, or below atmospheric pressure; and wherein each of the first sheet and the second sheet comprise a multi-layered film comprising: a core region comprising at least 20 gas barrier layers and a plurality of elastomeric layers, wherein the gas-barrier layers alternate with the elastomeric layers.