FIELD: machine building.
SUBSTANCE: drive of valve consists of case, valve rod, spring and of driving devices. The rod is connected to a gate element. The gate element travels between the first and the second positions. The spring shifts the gate element from the said first position into the said second position. The first driving devices are designed for tension of the spring and for retaining the spring in a compressed state. The second driving devices are designed for transfer of the gate element from the first position into the second position. The second driving devices include a transmission with a roller screw. Also the second driving devices operate independently from the first driving devices. Releasing devices free the spring to return the gate element into the second position. There is disclosed the version of design of the valve device for this drive.
EFFECT: increased speed of response for valve opening in emergency cases.
7 cl, 10 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| IMPROVED VALVE POWER DRIVE | 2007 |
|
RU2461039C2 |
| LEVER OF A VALVE DRIVE | 2018 |
|
RU2763354C2 |
| BUILT-IN DRIVE OF THRUST REVERSAL MECHANISM AND DRIVE OF VARIABLE AREA FAN NOZZLE | 2013 |
|
RU2530197C2 |
| PARKING BRAKE FOR ROLLING STOCK BRAKE SYSTEM | 2008 |
|
RU2468942C2 |
| ELEVATOR CABIN BRAKE WITH PADS DRIVEN BY SPRINGS ENGAGED WITH REDUCTION GEAR UNIT | 2009 |
|
RU2495290C2 |
| MAGNETIC VALVE, CONTACTOR UNIT WITH AIR-OPERATED DRIVE USING MAGNETIC VALVE, UNIT OF VALVE CONTROLLING AIR CURRENT | 1994 |
|
RU2147351C1 |
| JOINT FOR COMPENSATION OF RELEASE OF PNEUMATIC BRAKE FOR RAIL VEHICLES | 2014 |
|
RU2661250C2 |
| SHOCK ABSORBER FOR VEHICLE | 2019 |
|
RU2804494C2 |
| VALVE BRIDGE AND ENGINE COMPRISING VALVE BRIDGE | 2016 |
|
RU2709227C1 |
| DISTRIBUTION VALVE FOR RAILWAY VEHICLE (OPTIONS) | 2017 |
|
RU2761329C2 |
