Automatic connecting valve of train air door
An automatic connecting valve for the pneumatic trunk of train can be installed under the connection hook for automatically connecting with or disconnecting from said pneumatic trunk. It is composed of valve sleeve and its supporting frame, valve core axle with air slot, sealing ring, pressure sprin...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An automatic connecting valve for the pneumatic trunk of train can be installed under the connection hook for automatically connecting with or disconnecting from said pneumatic trunk. It is composed of valve sleeve and its supporting frame, valve core axle with air slot, sealing ring, pressure spring, and spring holder, guide post, spring, and sealing washer. Said valve sleeve can automatically move back and force and rotate in order to automatically open or close the valve. |
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