Dispensing – With heating or cooling means – Cooling only
Patent
1995-06-20
1997-11-11
Kaufman, Joseph
Dispensing
With heating or cooling means
Cooling only
62 501, 222504, 222518, B67D 562
Patent
active
056854595
ABSTRACT:
A liquid dispenser for dispensing liquid cryogen comprises a vessel (10) and a valve/actuator arrangement (16, 18) the valve being positioned within the vessel and operable to obturate or uncover an outlet orifice (14). The actuator (18) being positioned wholly or substantially outside the vessel, but being able to generate a magnetic force within the vessel for moving a magnet on the valve so as to move the valve between open and closed positions.
REFERENCES:
patent: 4962871 (1990-10-01), Reeves
patent: 5074443 (1991-12-01), Fujii et al.
patent: 5356034 (1994-10-01), Schlumberger
patent: 5400601 (1995-03-01), Germain et al.
patent: 5405050 (1995-04-01), Walsh
Kaufman Joseph
Rathbun Roger M.
Swope R. Hain
The BOC Group plc
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