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US 2024/0227055 A1Published application
Suction apparatus, suction method, welding system, welding method, and additive manufacturing method
AssigneeKabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
InventorNaoki MUKAI
Life of this patent
Estimating the term…
Abstract
A suction apparatus is provided with: a first path connecting an inlet and a drive opening of an ejector; a second path connecting a suction/ejection opening and an intake opening of the ejector; and a third path connecting the inlet and the suction/ejection opening. When the second path is connected by a path switching unit, a gas or an aerosol is suctioned via the suction/ejection opening by means of the first path and the second path. When the third path is connected by the path switching unit, a compressed gas is ejected via the suction/ejection opening by means of the third path.
Claims10
A suction apparatus that suctions a gas or an aerosol, the suction apparatus comprising:
- an inlet via which a compressed gas flows in;
- a suction/ejection opening via which the gas or the aerosol is suctioned or via which the compressed gas is ejected;
- an ejector that has a drive opening, an intake opening, and an outlet;
- a first path that includes a pipe member which connects the inlet and the drive opening of the ejector to each other;
- a second path that includes a pipe member which connects the suction/ejection opening and the intake opening of the ejector to each other;
- a third path that includes a pipe member which connects the inlet and the suction/ejection opening to each other;
- and
- a path switching unit that is disposed between the second path and the third path and that switches a connection between the second path and the third path, wherein,
- when the second path is connected by the path switching unit, the gas or the aerosol is suctioned via the suction/ejection opening by means of the first path and the second path, and,
- when the third path is connected by the path switching unit, the compressed gas is ejected via the suction/ejection opening by means of the third path.
7 more elements
A suction method for suctioning a gas or an aerosol by using a suction apparatus, wherein
- the suction apparatus includes
- an inlet via which a compressed gas flows in,
- a suction/ejection opening via which the gas or the aerosol is suctioned or via which the compressed gas is ejected,
- an ejector that has a drive opening, an intake opening, and an outlet,
- a first path that includes a pipe member which connects the inlet and the drive opening of the ejector to each other,
- a second path that includes a pipe member which connects the suction/ejection opening and the intake opening of the ejector to each other, and
- a third path that includes a pipe member which connects the inlet and the suction/ejection opening to each other, wherein
- a suction function and an ejection function of the suction/ejection opening are switched by switching a connection between the second path and the third path, and wherein
- when the second path is connected, the gas or the aerosol is suctioned via the suction/ejection opening by means of the first path and the second path, and,
- when the third path is connected, the compressed gas is ejected via the suction/ejection opening by means of the third path.
7 more elements
A welding system comprising:
- a welding torch that includes a shield gas supply nozzle through which a shield gas is supplied to a weld zone and a suction nozzle through which the shield gas is suctioned;
- and
- a suction apparatus that suctions a gas or an aerosol, wherein
- the suction apparatus includes
- an inlet via which a compressed gas flows in,
- a suction/ejection opening via which the gas or the aerosol is suctioned or via which the compressed gas is ejected,
- an ejector that has a drive opening, an intake opening, and an outlet,
- a first path that includes a pipe member which connects the inlet and the drive opening of the ejector to each other,
- a second path that includes a pipe member which connects the suction/ejection opening and the intake opening of the ejector to each other,
- a third path that includes a pipe member which connects the inlet and the suction/ejection opening to each other, and
- a path switching unit that is disposed between the second path and the third path and that switches a connection between the second path and the third path, wherein,
- when the second path is connected by the path switching unit, the gas or the aerosol is suctioned via the suction/ejection opening by means of the first path and the second path, and,
- when the third path is connected by the path switching unit, the compressed gas is ejected via the suction/ejection opening by means of the third path, and wherein
- the suction nozzle of the welding torch is connected to the suction/ejection opening of the suction apparatus.
11 more elements
Dependencies are inferred from the claim text.