VACUUM SLOT SHUTTER Russian patent published in 2022 - IPC F16K51/02 F16K3/18 

FIELD: vacuum devices.

SUBSTANCE: invention relates to equipment for vacuum devices and can be used as loading or locking devices. Vacuum slotted seal is designed for mutual isolation of vacuum volumes in transport systems with lock or cluster chambers. Vacuum slotted shutter includes a shutter body, a damper, a drive, a mechanism for moving the damper with a shutter rod and a damper sealing mechanism installed in the through hole of the shutter rod and including a damper pusher, a spring surrounding the damper pusher, and a damper pusher roller fixed simultaneously on the damper and on damper pusher; at the same time, the mechanism for moving the shutter is made in the form of a coaxial translational pair located in the shutter body and including the shutter rod and the shutter pusher, also on the outer wall of the shutter rod there is a spacer roller that can move along the housing wall, and the shutter pusher contains a conical tip made with the possibility of engagement with the damper sealing mechanism to ensure a tight fit of the damper to the valve body.

EFFECT: invention is aimed at improving the quality of sealing lengthy and different geometry of flow sections and improving the reliability of the vacuum seal.

6 cl, 4 dwg