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Ciptaan dan sejarah dalam peti sejuk

Apa itu sejuk?

Ia adalah sebuah mesin penyejukan yang berfungsi dengan kaedah pemampatan Wap, penyimpanan makanan sejuk untuk masa yang lama.

 

Peti-sejuk mekanikal yang pertama:

Langkah yang terbesar dalam membuat peti sejuk adalah penyejukan mekanikal, yang telah dibangunkan oleh British Thomas Harris dan John Long pada 1790, dan juga Dimiliki paten dikenali pertama bagi tempoh tersebut. Penyejuk mekanikal adalahmenyerupai pam sedutan-pelepasan dan ia memerlukan tenaga untuk beroperasi.Walaupun penggunaan perkakas adalah sukar bagi tempoh tersebut, kini peti sejukmasih bekerja dengan kaedah yang ditemui oleh pereka cipta dua.

 

Pertama omboh peti sejuk berjalan tanpa tenaga kerja:

Diilhamkan dari peranti yang sama, Perkins Jackop Amerika Syarikat Paten Mesin penyejukan omboh yang bekerja dengan eter pada 1834. Tetapi sejak eter yang mudah terbakar dan bahan letupan, peranti adalah amat berbahaya. Ia telah mengambil tempat dalam sejarah dengan alat tersebut yang akan diilhamkan untuk menghasilkan peti sejuk yang moden.

 

Peti sejuk pertama dikeluarkan untuk tujuan komersil:

Pada 1844, John Gorrie membuat ais pertama yang dihasilkan untuk tujuankomersil. John Gorrie, seorang doktor perubatan dalam profesionnya yang asal, mengambil tempat beliau dalam sejarah sebagai bapa kepada "sistem Penyaman udara – penyejukbekuan – pengeluaran komersil ais" pada 1844.

 

Dr. Alexander Kirk dibangunkan penyerapan pertama penyejukan peranti yang bekerja dengan haba arang batu pada tahun 1861. Memasuki bidang komersil ais pengeluaran melalui penyejukan mekanikal adalah pada penghujung ′ 1800 tahun.


 

Pertama peti sejuk yang berfungsi dengan tenaga elektrik:

Karl Von Linde (1832-1934) diperkenalkan dalam peti sejuk yang pertama pencipta Jerman Linde kepada dunia dalam tahun 1876, bekerja dengan tenaga elektrik. Edaran gas, pemampat berkuasa elektrik digunakan dalam sistem penyejukan dan eter tidak melepasi perangkap. Pada tahun 1877, beliau menerima paten untuk peranti ini. Itu revolusi untuk bekerja dengan tenaga elektrik alat tersebut. Walau bagaimanapun, eter tidak melepasi perangkap yang digunakan untuk sistem penyejukan adalahmasih amat letupan dan tidak boleh digunakan lebih seperti model sebelumnya sebab keselamatan. Walaupun begitu, beliau telah berjaya menjual peti sejuk 747 sehingga tahun 1890.

 

Revolusi di dalam peti sejuk, penggunaan freon gas:

Swede, Baltzar von Platen (1898-1984), bersama-sama dengan Carl Munters, dihasilkan dalam peti sejuk yang pertama untuk menggunakan freon gas. Gas eter yang digunakan dalam refrigerants sebelumnya telah menggunakan gas Freon, pendikit baru, disebabkan oleh penyejukan yang tidak mencukupi dan bahaya letupan. Peranti,yang menyediakan penyejukan yang lebih berkesan dan tiada risiko letupan, telah tamat tempoh sebagai satu mercu tanda di dalam peti sejuk.

 

Kilang ais yang pertama ditubuhkan:

Syarikat Kelvinator diasaskan pada tahun 1914. Peti sejuk, yang automatik sepenuhnya dan mempunyai fungsi condenser, dihasilkan pada tahun 1925. Tahun pertama adalah sebuah syarikat gergasi, menjual kepingan 67 almari pakaian, sejumlah 200 loker antara tahun 1918-1920.

 

Ais automatik untuk Kabinet bekerja dengan prinsip penyerapan juga dikeluarkan diAmerika pada tahun 1927 oleh Syarikat Kelvinator Electrolux.

 

Industri ini semakin berkembang dan perbezaan faedah peti sejuk telah membawakepada penubuhan kilang-kilang ais banyak. Pengeluar yang lebih teratur dan pemuafakatan telah memastikan bahawa peti sejuk hari ini terbongkar.

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