Rotary evaporator

Details Rotary evaporator Rotary evaporator

1997-03-14

1999-07-06

Manoharan, Virginia

Distillation: apparatus

Apparatus

Types

202189, 202266, 203DIG2, 422103, 422104, B01D 308

Patent

active

059193395

ABSTRACT:
A rotary evaporator of the present invention has an insertion area of a rotary joint 33 in a straight shape. This area is movably inserted to a motor rotor 27 of a motor by a sleeve 31 or 31' in an axial direction. Bushes 57 are inserted between the rotary joint 33 and the sleeve 31 or 31' for integrating the rotary joint 33 and the sleeve 31 or 31' by a fastening force generated by a fastening cap 61 or 61' engaged with a screw section of the sleeve 31 or 31'. With the above-described structure, when the outer peripheral surface of the rotary joint 33 is abraded by a sealing member 43, the fastening cap 61 is loosened and the rotary joint 33 is slightly moved to the axial direction so that the rotary joint 33 is moved to an appropriate or an optimum position along the axial direction. On the other hand, when a sample container is small, the fastening cap 61 or 61' is loosened and the rotary joint 33 is moved to the axial direction so that the rotary joint 33 is moved to an appropriate or an optimum position along the axial direction. Thereafter, the fastening cap 61 or 61' is fastened again.

REFERENCES:
patent: 3342696 (1967-09-01), Bush
patent: 4081331 (1978-03-01), Weiss
patent: 4764250 (1988-08-01), Riehl et al.
patent: 4780178 (1988-10-01), Yoshida et al.
patent: 5447077 (1995-09-01), Lautenschlager

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