| 摘要 |
An individual breathing apparatus comprises the closed respiratory circuit with the expiration and inspiration lines, the regenerative balloon connected to the relief valve and the respiratory bag. One wall of the respiratory bag is spring-loaded with the aid of least one spring relative to the wall of the case. The relief valve is installed in this wall. The respiratory bag is installed allowing for interacting its spring-loaded wall with the relief valve when the spring is compressed. |
