CRYOSTAT Russian patent published in 2013 - IPC F17C3/08 F17C3/10 F25D3/10 

FIELD: machine building.

SUBSTANCE: cryostat comprises external and internal glass cylindrical Dewar flasks, kapok, seal rings and damping gasket. Internal Dewar flask is composed of stiff solid structure with opening in outer wall. Kapok consists of three cylindrical parts arranged one above the other with having inner chamfers. Central kapok has lateral through channel with branch pipe. Sealing rings have outer chamfers and surround outer wall of external Dewar flask. Note here that first seal ring is located below outer wall hole while second seal ring is located above it, both rings adjoining by their chamfers those of kapok parts. Damping gasket is arranged between top edge of internal Dewar flask and kapok top part. Connection between internal Dewar flask and kapok is vacuum sealed by tightening top and bottom kapok parts by industrial hardware.

EFFECT: higher reliability and operating performances for low-temperature research.

2 dwg