ventilation device
A technology of ventilation device and communication port, which is applied to transmission parts, belts/chains/gears, mechanical equipment, etc., can solve the problems of immersion, inability to prevent mist gas intrusion, and inability to fully separate moisture, etc. Effect
Active Publication Date: 2015-10-07
HONDA MOTOR CO LTD
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- Application Information
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Problems solved by technology
In this case, when driving under severe conditions such as flooded roads and other vehicles under water in rainy days, the ventilation device with the conventional structure cannot sufficiently separate the moisture sucked into the box from the breathing port. , water droplets or mist gas may be immersed in the case of the transfer case, etc.
In particular, even if the intrusion of water droplets into the housing can be prevented, the intrusion of mist gas may not be prevented
Method used
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Embodiment Construction
[0066] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. figure 1 It is a schematic perspective view which shows the installation state of the ventilation box 1 which is one embodiment of the ventilation device of this invention. figure 1 The illustrated breather box 1 is a breather device for ventilating the inside of a transfer case 70 mounted on a vehicle, and is configured to include a small, substantially rectangular parallelepiped hollow container provided separately from the transfer case 70 . This hollow container is composed of a main body 10 and an upper cover 60 which will be described later. The breather box 1 is attached to a side surface 80 a of the transmission case 80 provided adjacent to the transfer case 70 . Further, two conduits, two conduits, a communication conduit (communication pipe) 23 and a drain conduit 31 , are connected to the lower portion of the vent box 1 . One end of the communicatio...
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The invention provides an air breather. The air breather can prevent moisture from dipping a transfer case shell loaded in a vehicle. In a separated ventilation box (1) used for the ventilation in the transfer case shell (70), a separating wall part (51) divides an accepting part(11), through which air inflow passes, into two segments in the up and down directions, and a maze structure channel (47) which is divided into a maze shape by utilizing spacing walls(17) is formed in a lower-segment layer which is at the lower side of the separating wall part (51), so that the bottom(15) of the channel (47) is formed into a tilting shape which drops gradually, facing a water outlet, and accordingly, even on the condition that the air sucked from a breathing port contains much moisture and is vaporous, the separation of moisture can be promoted when the air passes the maze structure channel (47), and the separated moisture can be discharged externally efficiently. Therefore, the air containing less moisture can be sucked to the transfer case shell (70).
Description
technical field [0001] The present invention relates to a breather device for ventilating inside housings of an engine, a transmission, a transfer case, and the like mounted on a vehicle. Background technique [0002] A breather device for ventilating the inside of the housing is provided in the housing of the engine, transmission, transfer case, etc. mounted on the vehicle. As such a ventilator, there is a so-called ventilator that separates a small box (vent box) with a small hole (breathing port) for air intake outside the case and connects the inside of the case with the inside of the case through a tube. Split type ventilation device. [0003] When the temperature inside the case of the transfer case and the like rises as the vehicle runs, the pressure of the air inside the case rises due to its volume expansion. In this case, the air whose pressure has been increased in the casing flows into the above-mentioned case through the tube. The air that has flowed into the...
Claims
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IPC IPC(8): F16H57/027
Inventor 三瓶忠康粕谷智明末永裕一庭田健司饭田宽明
Owner HONDA MOTOR CO LTD