To provide an extremely low temperature refrigerating device with a cooler which gets to an extremely low temperature level in a short time without impairing its cooling performance by improving the circuit construction of a pressure reducer.
First and second branch circuits 80, 81 connected in parallel to each other are formed on the midway of a main refrigerant circuit 2a connected to a discharge portion on the primary side of a supercooler 47. A cryo-coil 52 is connected in series to the main refrigerant circuit 2a on the downstream side of a combination portion of both branch circuits 80, 81. A first branch capillary tube 80a is connected in series to the first branch circuit 80, while a solenoid on-off valve 81b and a second capillary tube 81a are connected at their upstream sides in series to the second branch circuit 81.
TAKAHASHI MASAYUKI
YAGI AKIFUMI
| JPH09145179A | 1997-06-06 | |||
| JPH05142294A | 1993-06-08 | |||
| JPH06159817A | 1994-06-07 | |||
| JP2001263902A | 2001-09-26 | |||
| JPH06347112A | 1994-12-20 | |||
| JPH05173649A | 1993-07-13 | |||
| JP2002286300A | 2002-10-03 | |||
| JPH03154848A | 1991-07-02 |
Hiroshi Koyama
Hiroshi Takeuchi
Yuji Takeuchi
Katsumi Imae
Tomoo Harada
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