Air bag apparatus for vehicle
First Claim
Patent Images
1. An air bag apparatus for a vehicle, the apparatus comprising:
- an inflator;
a main tube configured to be unfolded toward an occupant of the vehicle by a gas pressure when the inflator explodes;
a support tube coupled to one side of the main tube and configured to be unfolded by being supplied with gas from the main tube;
an active vent configured to be installed in a path which connects the main tube to the support tube and to open and close the path; and
a controller configured to control an opening and closing operation of the active vent,wherein the opening and closing operation of the active vent depends on whether or not the controller receives a signal from a seat belt sensor that occupant wears a seat belt while the main tube is unfolded.
1 Assignment
0 Petitions
Accused Products
Abstract
An air bag apparatus for a vehicle includes an inflator and a main tube configured to be unfolded toward an occupant of the vehicle by a gas pressure when the inflator explodes. A support tube is coupled to one side of the main tube and configured to be unfolded by being supplied with gas from the main tube. An active vent is configured to be installed in a path which connects the main tube to the support tube and to open and close the path. A controller is configured to control an opening and closing operation of the active vent.
26 Citations
10 Claims
-
1. An air bag apparatus for a vehicle, the apparatus comprising:
-
an inflator; a main tube configured to be unfolded toward an occupant of the vehicle by a gas pressure when the inflator explodes; a support tube coupled to one side of the main tube and configured to be unfolded by being supplied with gas from the main tube; an active vent configured to be installed in a path which connects the main tube to the support tube and to open and close the path; and a controller configured to control an opening and closing operation of the active vent, wherein the opening and closing operation of the active vent depends on whether or not the controller receives a signal from a seat belt sensor that occupant wears a seat belt while the main tube is unfolded. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. An air bag apparatus for a vehicle, the air bag apparatus comprising:
-
an inflator; a main tube configured to be unfolded toward an occupant of the vehicle by a gas pressure when the inflator explodes; a support tube coupled to one side of the main tube and configured to be unfolded by being supplied with gas from the main tube; an active vent configured to be installed in a path which connects the main tube to the support tube and to open and close the path; a controller configured to control an opening and closing operation of the active vent, wherein the opening and closing operation of the active vent depends on a vehicle velocity, and wherein the controller controls the active vent not to open when the vehicle velocity is equal to or less than a reference vehicle velocity when the main tube is unfolded. - View Dependent Claims (10)
-
Specification