Refrigeration – Refrigeration producer – Evaporator – e.g. – heat exchanger
Patent
1980-03-24
1981-12-15
Capossela, Ronald C.
Refrigeration
Refrigeration producer
Evaporator, e.g., heat exchanger
62381, F25B 1900
Patent
active
043052614
ABSTRACT:
The mass flow rate of helium from a container is controlled by two disks having highly polished mating surfaces and mounted for rotation relative to one another. Each of the disks has at least one axial through passage, at least one of the disks having a through passage which is eccentric to the axis of rotation of the disk. Use of a plurality of through passages in one of the disks, one or more capillary grooves emanating from one of the through passages in one disk and terminating in the circular path described by the through passage in the other disk for controlling the flow rate is illustrated. For example a step motor in combination with a wobble plate rotates one disk in very exact steps relative to the other.
REFERENCES:
patent: 2677942 (1954-05-01), Schott et al.
patent: 3474272 (1969-10-01), Newell
patent: 3692095 (1972-09-01), Fleming
patent: 4134037 (1979-01-01), Berthet et al.
patent: 4209061 (1980-06-01), Schwemin
Petrac et al. "Evaluation of Porous-Plug Liquid Separators of Space Superfluid Helium Systems," Jet Propulsion Laboratory, Cal. Tech., Pasadena, Ca.
Becker Joachim R.
Siewert Egon H.
Capossela Ronald C.
Dornier-System GmbH
Rich Marianne
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