Abstract: The present invention provides a gas generator for a restraining device of a vehicle, including: a housing being made of a resin, forming an outer shell container, having a plurality of gas discharge ports, an ignition device disposed inside the housing, a gas generating agent that is ignited and burned by activation of the ignition device, each of the gas discharge ports being formed in combination with each of a plurality of through holes of an annular plate member that is embedded in a circumferential wall surface of the housing and formed of a material selected from the group consisting of metals, ceramics, and carbon fiber, and the annular plate member being formed of an annular base plate including the plurality of through holes formed therein.

Abstract: The present invention provides an igniter fixing structure, including a plurality of igniter bodies, having an ignition portion and an electroconductive pin, each of the igniter bodies being fixed, by a resin, to a peripheral edge of a port formed in a plate-like portion serving as a fixing object, the number of the port being the same as that of the plurality of the igniter bodies and a single retainer as a support member for the plurality of igniter bodies, the retainer having a plurality of support portions each having a hole for passing the electroconductive pin therethrough and a connection plate portion that connects the plurality of support portions, at least the support portions being embedded in the resin in a state in which the electroconductive pin passes through the hole, at least the connection plate portion being disposed to abut against the plate-like portion.

Abstract: The invention relates to an inflator including: a tubular inflator housing in which an opening portion at one end is closed, an opening portion at the other end is closed by a closure and the interior is charged with a gas, an igniter assembly, attached to the closure side, and a tubular gas discharge port, the closure having an opening portion that serves as a gas passage in a part thereof, the opening portion being closed by a rupturable plate, the igniter assembly formed by integrating a part of a metallic igniter collar and an electric igniter with a resin, the igniter collar being fixed to the closure such that a space serving as a gas passage is formed between the igniter collar and the closure and an ignition portion of the electric igniter directly opposes the rupturable plate, and the tubular gas discharge port including a plurality of gas discharge holes in a peripheral surface thereof, one end side of the tubular gas discharge port being welded and fixed to a part of the closure excluding the op

Abstract: An inflator for a restraining system for a vehicle includes: an inflator housing storing a gas generation source, a diffuser having a plurality of gas discharge holes for discharging gas provided within the inflator housing, a gas discharge channel member including a gas outlet port and being attached to cover an outer surface of the diffuser, the gas discharge channel member having a gas-introducing port communicating with at least one of the gas discharge holes and a pin-introducing port communicating with at least one of the remaining gas discharge holes, and the diffuser and the gas discharge channel member, fixed by a fixing pin inserted into both of the at least one of the remaining gas discharge holes and the pin-introducing port.

Abstract: An actuator includes; a cylinder connected to an ignition device; a piston slidably accommodated inside the cylinder, the piston having, in a desired section in the length direction, an enlarged diameter portion in which an outer diameter is enlarged; and a cylindrical stopper attached to an inner peripheral surface of the cylinder. The stopper includes, a main body portion fixed to the inner peripheral surface of the cylinder, and a nail portion which inwardly projects from the main body portion and is formed of an elastic material, wherein before activation of the ignition device, the piston is inhibited from moving in an axial direction by causing the nail portion to contact a part of the enlarged diameter portion, and after activation of the ignition device, the piston is inhibited from moving in a backward direction by causing the nail portion to contact another part of the enlarged diameter portion.

Abstract: A gas generator for an air bag includes; a housing having a gas discharge port, a first combustion chamber and a second combustion chamber, provided inside the housing and charged with a gas generating agent, a first ignition device and a second ignition device provided in the two combustion chambers, respectively, the second ignition device provided with an electric igniter, a piston, an enhancer agent, a detonator provided in the enhancer agent, opposite to the distal end of the piston, and a tether connected to the rear end portion of the piston, the tether being tied around an air bag when accommodated into an air bag module, the tether controlling an inflation direction of the air bag by fastening the inflating air bag when the first ignition device is activated, the tether being configured to be released from the piston when the second ignition device is activated.

Abstract: The invention relates to an inflator including: a tubular inflator housing in which an opening portion at one end is closed, an opening portion at the other end is closed by a closure and the interior is charged with a gas, an igniter assembly, attached to the closure side, and a tubular gas discharge port, the closure having an opening portion that serves as a gas passage in a part thereof, the opening portion being closed by a rupturable plate, the igniter assembly formed by integrating a part of a metallic igniter collar and an electric igniter with a resin, the igniter collar being fixed to the closure such that a space serving as a gas passage is formed between the igniter collar and the closure and an ignition portion of the electric igniter directly opposes the rupturable plate, and the tubular gas discharge port including a plurality of gas discharge holes in a peripheral surface thereof, one end side of the tubular gas discharge port being welded and fixed to a part of the closure excluding the op

Abstract: The present invention provides an air bag module comprising; a module case accommodating a gas generator and an airbag, the gas generator having a housing, which is a assembly of a first base plate and a second base plate provided with a plurality of gas discharge ports, and at least one combustion chamber accommodated inside the housing, the module case being attached to a connection section of the first base plate and the second base plate at an opening portion of the module case.

Abstract: The present invention provides a gas generator for an occupant restraining device of a vehicle, comprising a substantially cup-like shaped diffuser shell having a plurality of gas discharge ports on a circumferential wall portion, a substantially cup-like shaped closure shell combined with the diffuser shell to form an outer container, a housing formed by the diffuser shell and closure shell, an ignition device, a gas generating agent ignited and combusted by activation of the ignition device to generate a combustion gas, and a substantially cylindrical filter for purifying and cooling the combustion gas generated from the gas generating agent, all accommodated in the housing, the housing formed by inserting part of an outer peripheral surface in the open portion side of the closure shell into part of the inner peripheral surface of the open portion side in the diffuser shell to abut against each other, so that they are integrated, the filter supported by abutting one end surface thereof against a ceiling sur

Abstract: The present invention provides a small, high-output gas generator for an air bag. A filter 30 is disposed between a first gas generator 11 and a second gas generator 21. Gas discharged from the first gas generator 11 and gas discharged from the second gas generator 21 pass through the same filter 30, and are then discharged from a second gas discharge port 36 to inflate the air bag.

Abstract: A gas generator for an air bag includes a housing having a gas discharge port, a first combustion chamber and a second combustion chamber, each of the combustion chambers being provided with a gas generating agent and an ignition device, being in the housing, the second combustion chamber being separated from the first combustion chamber by a cup member disposed within the housing, the second gas generating agent and the second ignition device being disposed within the cup member, the cup member being moved upon activation of the second ignition device, thereby forming a discharge passage for a gas generated in the second combustion chamber.

Abstract: The present invention relates to a pyrotechnic actuator, containing: a housing, a piston slidable inside the housing, an igniter disposed within the housing and causing the piston to slide, the piston including a piston head having a pressure-receiving surface with which a combustion product, produced by actuation of the igniter, collides, a piston rod extending from the piston head and further, a resin portion provided at least in a part of the piston, the resin portion being disposed in contact with a member including the housing, the piston being fixed by contacting the resin portion to the member including the housing, and the piston being prevented from moving before activation of the igniter.

Abstract: The present invention provides an actuator including: a cylinder connected to an ignition device; a piston slidably accommodated inside the cylinder, the piston having, in a desired section in the length direction, an enlarged diameter portion in which an outer diameter is enlarged; a cylindrical stopper attached to an inner peripheral surface of the cylinder, the stopper including, a main body portion which is fixed to the inner peripheral surface of the cylinder, and a nail portion which inwardly projects from the main body portion and is formed of an elastic material, wherein before activation of the ignition device, the piston is inhibited from moving in an axial direction by causing the nail portion to contact a part of the enlarged diameter portion, after activation of the ignition device, the piston is inhibited from moving in a backward direction by causing the nail portion to contact another part of the enlarged diameter portion.

Abstract: The present invention provides an inflator for a restraining system for a vehicle including: an inflator housing storing a gas generation source, a diffuser having a plurality of gas discharge holes for discharging gas provided within the inflator housing, a gas discharge channel member including a gas outlet port and being attached to cover an outer surface of the diffuser, the gas discharge channel member having a gas-introducing port communicating with at least one of the gas discharge holes and a pin-introducing port communicating with at least one of the remaining gas discharge holes, and the diffuser and the gas discharge channel member, fixed by a fixing pin inserted into both of the at least one of the remaining gas discharge holes and the pin-introducing port.

Abstract: The present invention provides an apparatus including an igniter, including: an igniter, an igniter collar for fixing the igniter, a cylindrical housing forming an outer shell, the igniter collar and the cylindrical housing being assembled by laminating a wall surface at one end of the igniter collar to a wall surface at one end of the cylindrical housing in the thickness direction, and being fixed to each other by crimping from the outside the laminated part thereof, wherein igniter collar and the cylindrical housing are laminated, an outer diameter of the laminated part being within ±10% of a reference outer diameter when an outer diameter of at least one of the igniter collar and cylindrical housing is the reference outer diameter, a thickness (h2) of an inner layer in the crimped laminated part being 1.5 times or more a the crimping depth (h1).

Abstract: The present invention relates to a pyrotechnic actuator, containing: a housing, a piston slidable inside the housing, an igniter disposed within the housing and causing the piston to slide, the piston including a piston head having a pressure-receiving surface with which a combustion product, produced by actuation of the igniter, collides, a piston rod extending from the piston head and further, a resin portion provided at least in a part of the piston, the resin portion being disposed in contact with a member including the housing, the piston being fixed by contacting the resin portion to the member including the housing, and the piston being prevented from moving before activation of the igniter.

Abstract: The present invention provides a gas generator for an occupant restraining device of a vehicle, comprising a substantially cup-like shaped diffuser shell having a plurality of gas discharge ports on a circumferential wall portion, a substantially cup-like shaped closure shell combined with the diffuser shell to form an outer container, a housing formed by the diffuser shell and closure shell, an ignition device, a gas generating agent ignited and combusted by activation of the ignition device to generate a combustion gas, and a substantially cylindrical filter for purifying and cooling the combustion gas generated from the gas generating agent, all accommodated in the housing, the housing formed by inserting part of an outer peripheral surface in the open portion side of the closure shell into part of the inner peripheral surface of the open portion side in the diffuser shell to abut against each other, so that they are integrated, the filter supported by abutting one end surface thereof against a ceiling sur

Abstract: A gas generator for an air bag, comprises, in a housing having a gas discharge port, a first combustion chamber and a second combustion chamber in which a gas generating agent and an ignition device are provided respectively. The second combustion chamber is separated from the first combustion chamber by a combustion chamber cup member disposed within the housing, and a second gas generating agent and a second ignition device are disposed within the combustion chamber cup member. The peripheral surface of the combustion chamber cup member has a fragile section adapted to be cleaved at the fragile section by activation of the second ignition device, thereby forming a discharge channel for the gas generated in the second combustion chamber.

Abstract: The present invention provides gas generator including a module case forming a housing having a gas discharge port and including a combustion chamber therein, the combustion chamber accommodating an igniter and a gas generating agent inside a combustion chamber housing, an opening, for discharging gas, being generated in the combustion chamber housing when the gas generating agent is ignited and burnt to generate gas by activation of the igniter.

Abstract: A gas generator has an inner cylindrical member disposed in a cylindrical housing, an annular first combustion chamber provided radially in the outside of the inner cylindrical member, and, in the combustion chamber, a ratio of its radial average distance to its axial average length is adjusted to be in the range of 0.2 to 2.0. The gas generator has a retainer which changes a flow of a gas ejected from a through-hole in the inner cylindrical member and has a cylindrical portion for collecting fluid and semifluid combustion products included in the gas.