Linear drive shaft seal

Details Linear drive shaft seal Linear drive shaft seal

1980-05-14

1981-08-18

Garris, Bradley

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

74110, 74467, 156617SP, 277 80, 308187, 3081872, C30B 1530, C30B 3500, F16J 1556

Patent

active

042846056

ABSTRACT:
A linear drive-shaft sealing apparatus particularly useful in removing crystals from a melt solution of an evacuated chamber, which sealing apparatus comprises a first input drive shaft and a second output drive shaft, both shafts adapted for linear movement, a cylindrical element disposed between the input and output shafts and adapted for rotary movement, a housing surrounding the cylindrical element, and a multistage, magnetic seal apparatus which provides a magnetic seal between the housing and the cylindrical element.

REFERENCES:
patent: 3612549 (1971-10-01), Berkowitz
patent: 3620584 (1971-11-01), Rosensweig
patent: 3643964 (1972-02-01), Snelling et al.
patent: 3740060 (1973-06-01), Miskolczy et al.
patent: 3777580 (1973-12-01), Brems
patent: 4075898 (1978-02-01), Carlson et al.
patent: 4089624 (1978-05-01), Nichols et al.
patent: 4176002 (1979-11-01), Queniss et al.
patent: 4187933 (1980-02-01), Calabrese et al.

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