Fig. 2.60. VAD system check valve: 1 – check valve; 2 – green; 3 – white; 4 – intake manifold; 5 – vacuum chamber of the VAD system
Check valve (unidirectional) maintains a vacuum in the VAD system vacuum chamber. The check valve allows air to pass only from the VAD system vacuum chamber to the intake manifold (Fig. 2.60).