1291 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.

In various examples, sensor data (e.g., image and / or RADAR data) may be used to detect occupants and classify them (e.g., as children or adults) using one or more predictions that represent estimated age (e.g., based on detected limb length, a detected face) and / or detected child presence (e.g., based on detecting an occupied child seat). In some embodiments, multiple predictions generated using multiple machine learning models (and optionally one or more corresponding confidence values) may be combined using a state machine and / or one or more machine learning models to generate a combined assessment of occupant presence and / or age for each occupant and / or supported occupant slot. As such, the techniques described herein may be utilized to detect child presence, detect unattended child presence, determine age or size of a particular occupant, and / or take some responsive action (e.g., trigger an alarm, control temperature, unlock door(s), permit or disable airbag deployment, etc.).

A long-fiber non-woven fabric comprising fibers mainly composed of a thermoplastic resin, the fibers having an average single-fiber diameter of 10.0 [mu] m or more and 20.0 [mu] m or less, and the cross-sectional porosity of the long-fiber non-woven fabric being 30% or more and 80% or less. Provided is a long-fiber non-woven fabric having excellent flexibility in which it is possible to follow the device form of an airbag housing member, and excellent mechanical strength in which it is not broken or split when in contact with the airbag housing member.

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.

The invention describes an airbag module (10) comprising an airbag (12), an elongate gas generator (14) and a diffusor (16), wherein the gas generator (14) includes an outer housing (18) with outflow openings (20) distributed over the circumference (U) which define an outflow area (22), wherein the outflow area (22) of the gas generator (14) is enclosed by the diffusor (16), wherein the diffusor (16) has a central mount hole (24) into which the outer housing (18) protrudes so that the diffusor (16) circumferentially encloses an axial portion of the outer housing (18) which comprises the outflow area (22), wherein the diffusor (16) includes at least one contact face (26, 26a) and at least two gas guiding surfaces (28a, 28b) on the inner face of the diffusor (16) delimiting the mount hole (24), wherein the contact face (26, 26a) is directly adjacent to the outer housing (18) of the gas generator (14) and the gas guiding surfaces (28a, 28b) are radially spaced apart from the outer housing (18) while forming at least a first collection chamber (30a) and a second collection chamber (30b) into which gas flowing out of the outflow area (22) flows, wherein the first collection chamber (30a) opens into at least one first outlet opening (32a) and the second collection chamber (30b) opens into at least one second outlet opening (32b), wherein the first collection chamber (30a) is separated from the second collection chamber (30b) by the at least one contact face (26) specifically in the form of a separating web (34), wherein the diffusor (16) is completely arranged in an inflatable internal volume of the airbag (12), wherein the airbag (12) comprises at least a first airbag chamber (36a) and a second airbag chamber (36b) which are separated from each other, wherein the gas flowing into the first collection chamber (30a) flows, via the first outlet opening (32a), into the first airbag chamber (36a) of the airbag (12) and the gas flowing into the second collection chamber (30b) flows, via the second outlet opening (32b), into the second airbag chamber (36b) of the airbag (12).

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.

[Problem to be solved] To provide a vehicle seat that enables an airbag module to be fastened to an outer frame of a seatback frame, while enabling the outer shape of a seatback to be formed as intended.[Solution] A vehicle seat 1 comprises an outer frame (seatback frame outer portion 19) forming a framework of a seatback 5, a frame bracket 34 coupled to a left or right side part of the outer frame, a module bracket 36 fastened to the frame bracket for supporting an airbag module, a shape former 80 coupled to the side part of the outer frame to form an outer shape of the seatback, wherein gap spaces are formed between the outer frame and the shape former, and the frame bracket and the module bracket are fastened to each other at fastening points frontward of the gap spaces.

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.

The utility model relates to the technical field of riding, and discloses a riding helmet with a safety air bag, which comprises a helmet main body, the lower edge of one end of the helmet main body is provided with an extension part, the outer side of the extension part is provided with a mounting groove, an air bag bin is mounted in the mounting groove, an air pump bin is mounted above the air bag bin, and the air pump bin is connected with the air bag bin. An air pump body is arranged in the air pump bin, a trigger device is installed at the end of the air pump body, and an air bag located in the air bag bin is installed on the trigger device. Through cooperation of the helmet body, the air pump bin, the air pump body, the air bag bin and the trigger device, the gravity center change of a rider is detected through the trigger device, and then the air pump body is started to inflate an air bag in the air bag bin, so that the head and neck of the rider are protected after the air bag is unfolded, and then the situation that the rider is hurt due to an emergency situation is avoided; guarantee is provided for the safety of a rider, and the injury risk is reduced.

An airbag tether separation system includes an airbag tether separator having an explosive and a housing including a wall with at least one space formed in the wall. The tether separator is structured so that, when the explosive is activated, the explosive produces shockwaves causing separation of a portion of a tether extending between the explosive and the wall. At least a portion of the shockwaves also pass into the at least one space, from where they may pass through the space away from a separation region of the tether and to an exterior of the housing, or be reflected in a direction away from the separation region of the tether.

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 utility model relates to the technical field of automobile safety air bags, in particular to an SAB air bag folding device which comprises a folding mechanism, the folding mechanism comprises a left inserting and folding piece and a right inserting and folding piece, a forward folding plate and a reverse folding plate are installed in the left inserting and folding piece and the right inserting and folding piece respectively, and the forward folding plate and the reverse folding plate are both installed in a frame. And the forward folding plate pieces and the reverse folding plate pieces are arranged in an up-and-down staggered manner. The air bag assembly is placed in the jig clamping piece and the telescopic clamping piece, the left inserting and folding piece and the right inserting and folding piece move towards the center at the same time, an inner inserting plate of a forward folding plate of the first layer in the left inserting and folding piece is pushed out through a second air cylinder, and then an inner inserting plate of a reverse folding plate of the first layer in the right inserting and folding piece is pushed out through a second air cylinder. The inserting plates in the forward folding plate and the reverse folding plate extend out in sequence to be folded, Z folding of the two sides of the SAB air bag is achieved, and a flat safety air bag can be obtained and positioned between an automobile body and an internal protection plate to adapt to the small installation depth.

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.

A wearable airbag device having at least one inflatable bag including a first side and a second side defining a gas inflatable volume therebetween. The at least one inflatable bag includes a plurality of airflow passages defined between said first side and second side.

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 luminous ball includes a light-transmittance inner airbag, a light-transmittance outer surface layer, a light-emitting assembly and a cover body. The light-transmittance inner airbag defines an inflation space. An accommodating slot is provided in the light-transmittance inner airbag. The outer wall of the accommodating slot extending into the inflatable space from the outside. The light-transmittance outer surface layer is wrapped around an outer surface of the light-transmittance inner airbag. The light-transmittance outer surface layer is provided with a first opening. The light-emitting assembly is detachably inserted into the accommodating slot. The cover body is in detachable threaded connection to an inner wall of the accommodating slot and covers the accommodating slot to limit the light-emitting assembly in the accommodating slot. The cover body is in detachable to the accommodating slot and covers the accommodating slot to limit the light-emitting assembly in the accommodating slot.

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 lower limb restraint airbag device, including: an airbag that is configured to be inflated and deployed toward a knee and a shin of a passenger seated in a vehicle seat by gas ejected from an inflator, and to make contact with at least the knee; a reaction force plate that is configured to be pulled out to a seat front side of the airbag in conjunction with inflation and deployment of the airbag; and a lock mechanism that is configured to block movement toward a seat front side of the pulled out reaction force plate.

The invention relates to an airbag module (50) comprising at least one gas generator (52), a gas bag (10) and a module holder (54) for receiving the gas generator (52) and the gas bag (10) and for fixing it to a vehicle component (41), wherein the gas bag (10) comprises a wall made of a first and second material layer (12, 14) which are connected to each other at least partially in the circumferential direction (circumferential fixing) (18) and a separating layer (15) is arranged between the first and second material layer (12, 14), which extends - with reference to a collapsed and deployed state of the gas bag (10) - substantially parallel to a plane of the first and / or second material layer (12, 14) and together with the first material layer (12) forms a first chamber (26) and together with the second material layer (14) forms a second chamber (28). Furthermore, the invention relates to an airbag module arrangement (100) in a vehicle and a method for controlling the airbag module (50).

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.

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.