Abstract:
A boarding bridge comprising: an inner tunnel walking deck which is provided above a floor of an inner tunnel with a space the therebetween, and forms a walking passage of the inner tunnel; and an outer tunnel walking deck which is provided above a floor of the outer tunnel with a space therebetween, and forms a walking passage of the outer tunnel. The outer tunnel walking deck is provided at a height between the floor of the inner tunnel and the inner tunnel walking deck.
Abstract:
A tunnel air-conditioning and heating apparatus is provided. the tunnel air-conditioning and heating apparatus may include a condenser provided at a rotunda; a compressor provided at the rotunda and connected to the condenser; an evaporator provided at a movable tunnel and connected to each of the condenser and the compressor; and a condenser connection pipe configured to connect the condenser with the evaporator and a compressor connection pipe configured to the compressor with the evaporator each of which is formed into a flexible coil.