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US 10,449,844 B2Granted
Device for generating air cutrains, in particular for a railway vehicle
AssigneeAlstom Transport Technologies
InventorsJean Le Bastard, Christoph Staudt
Life of this patent
Estimating the term…
Abstract
A device includes an air curtain generator including air curtain diffusor able to diffuse at least one air curtain along a plane, in at least first and second different diffusion directions. The air curtain generating device includes a control unit able to control the diffusion of the at least one air curtain in one and/or the other of the first and second diffusion directions.
Claims12
An air curtain generating device for generating air curtains along a plane defining an inside zone and an outside zone, comprising:
- a first air curtain generator configured to generate a first air curtain, comprising a first air curtain diffuser configured to diffuse the first air curtain along said plane in the first diffusion direction,
- a second air curtain generator configured to generate a second air curtain, comprising a second air curtain diffuser configured to diffuse the second air curtain along said plane in a second diffusion direction,
- wherein the first diffusion direction is oriented toward the inside zone and the second diffusion direction is oriented toward the outside zone, and
- a controller configured to control the diffusion of the first air curtain and the second air curtain,
- wherein the controller is able to enter a first operating mode, in which the flow of the first air curtain is increased and/or the flow of the second air curtain is reduced to favor the movement of people from the outside zone toward the inside zone, or in a second operating mode, in which the flow of the first air curtain is reduced and/or the flow of the second air curtain is increased to favor the movement of people from the inside zone toward the outside zone, and wherein the controller is configured so that the transition from the first to the second operating mode is timed from opening of a door, so as to trigger the second operating mode during a first time delay following the opening of the door, then to switch to the first operation mode during a second time delay, prior to the closing of the door.
2 more elements
An air curtain generating device for generating air curtains along a plane defining an inside zone and an outside zone, comprising:
- a first air curtain generator configured to generate a first air curtain, comprising a first air curtain diffuser configured to diffuse the first air curtain along said plane in a first diffusion direction,
- a second air curtain generator configured to generate a second air curtain, comprising a second air curtain diffuser configured to diffuse the second air curtain along said plane in a second diffusion direction,
- wherein the first diffusion direction is oriented toward the inside zone and the second diffusion direction is oriented toward the outside zone, and
- a controller configured to control the diffusion of the first air curtain and the second air curtain,
- wherein the controller is able to enter a first operating mode, in which the flow of the first air curtain is increased and/or the flow of the second air curtain is reduced to favor the movement of people from the outside zone toward the inside zone, or in a second operating mode, in which the flow of the first air curtain is reduced and/or the flow of the second air curtain is increased to favor the movement of people from the inside zone toward the outside zone,
- wherein the device includes a detector for detecting people near the plane, the controller being configured so as to adjust the flow of the first and/or second air curtains based on the presence and/or movements of people near said plane, the controller being configured to stay in the second operating mode as long as people are detected as moving from the inside zone toward the outside zone, then stays in the first operating zone as long as people are detected as moving from the outside zone toward the inside zone.
3 more elements
An air curtain generating device for generating air curtains along a plane defining an inside zone and an outside zone, comprising:
- a first air curtain generator configured to generate a first air curtain, comprising a first air curtain diffuser configured to diffuse the first air curtain along said plane in a first diffusion direction,
- a second air curtain generator configured to generate a second air curtain, comprising a second air curtain diffuser configured to diffuse the second air curtain along said plane in a second diffusion direction,
- wherein the first diffusion direction is oriented toward the inside zone and the second diffusion direction is oriented toward the outside zone, and
- a controller configured to control the diffusion of the first air curtain and the second air curtain,
- wherein the controller is able to enter a first operating mode, in which the flow of the first air curtain is increased and/or the flow of the second air curtain is reduced to favor the movement of people from the outside zone toward the inside zone, or in a second operating mode, in which the flow of the first air curtain is reduced and/or the flow of the second air curtain is increased to favor the movement of people from the inside zone toward the outside zone,
- wherein the controller is configured so that the transition to the first or second operating mode is commanded manually.
3 more elements
Dependencies are inferred from the claim text.