| 摘要 |
PROBLEM TO BE SOLVED: To reduce the number of components by integrating a conventional multiobjective intake valve and the function of an auxiliary valve housing. SOLUTION: The recyclable intake valve for an oxygen breathing apparatus is provided with an internal member 31, an external member 32 and a valve housing 39.The internal member 31 is provided with a first valve 37 constituted to allow the inflow of external air to the interior but not to allow the outflow to the exterior.The valve housing 39 is provided with a second valve constituted to allow the inflow of air from the exterior but not to allow the outflow to the exterior, and a third valve constituted to release internal air to the exterior but not to allow the inflow of air to the interior from the exterior.The valve housing 39 is provided with a pipe stub 42 for connection to an oxygen reservoir, and a pipe stub 43 for the supply of oxygen.The external member 32 and the valve housing 39 are integrally formed. COPYRIGHT: (C)2004,JPO
|
