FIELD: transportation.
SUBSTANCE: underground railway having stations and a running tunnel consisting of interconnected reinforced concrete rings. It has additional tunnels connected with the stations and the running tunnel through valves with electric drive, having a semi-circular, wedge-shaped gate covered with an elastic material containing a projection at the end, as well as running tunnel and additional tunnels having the thin air of 0.1-0.3 atmosphere are connected to vacuum pumps.
EFFECT: increased speed of an electric traing in the underground railway, reduced material input on transport operation.
5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| GATE | 1991 |
|
RU2007648C1 |
| DAMPER | 2008 |
|
RU2390681C2 |
| GATE VALVE | 2013 |
|
RU2544911C2 |
| ELECTRONIC MICROSCOPE | 2006 |
|
RU2313850C1 |
| TRAIN AND TRACK | 1996 |
|
RU2124086C1 |
| AUTOMOBILE ROAD | 2020 |
|
RU2734184C1 |
| MOTOR ROAD | 2016 |
|
RU2635683C1 |
| SEAPLANE | 2005 |
|
RU2305650C1 |
| TRAIN AND ITS TRACK | 2006 |
|
RU2318689C1 |
| TRAIN AND ITS RAILWAY PATH | 2013 |
|
RU2529942C1 |
