JPS6244291Y2 - - Google Patents

Info

Publication number

JPS6244291Y2

JPS6244291Y2 JP1977165430U JP16543077U JPS6244291Y2 JP S6244291 Y2 JPS6244291 Y2 JP S6244291Y2 JP 1977165430 U JP1977165430 U JP 1977165430U JP 16543077 U JP16543077 U JP 16543077U JP S6244291 Y2 JPS6244291 Y2 JP S6244291Y2

Authority

JP

Japan

Prior art keywords

refrigerator

vacuum

electric circuit

timer

vacuum device

Prior art date

1977-12-09

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

• Espacenet
• Global Dossier
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• 238000001816 cooling Methods 0.000 claims description 17
• 238000004321 preservation Methods 0.000 claims description 4
• 238000005057 refrigeration Methods 0.000 claims description 3
• 238000010257 thawing Methods 0.000 description 4
• 238000007710 freezing Methods 0.000 description 3
• 230000008014 freezing Effects 0.000 description 3
• 230000015572 biosynthetic process Effects 0.000 description 2
• 230000005611 electricity Effects 0.000 description 2
• 238000007664 blowing Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000009429 electrical wiring Methods 0.000 description 1
• 239000011810 insulating material Substances 0.000 description 1
• 230000007246 mechanism Effects 0.000 description 1
• 230000008016 vaporization Effects 0.000 description 1
• 238000009834 vaporization Methods 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1