Blog Archives

Heat Pump or Heat Engine?

I haven’t bent any copper for a few weeks now.  Between the heat, a vacation, and some bad habits, the shop has barely been opened.  Part of the reason is due to a recent fascination with power plants.  Previously, in

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Posted in Personal, Refrigeration, The Squatch, Water

Cannibalizing the Ebullator

I’ve moved on, in regards to what I think can be learned from the first flooded evaporator system, I have been calling “The Ebullator”.  Far too many limiting features were preventing me from moving on to the next step in

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Posted in Refrigeration

Refrigeration Test Bench – Part III

In Part I, I shared a lot of media relating to my efforts in building a refrigeration test bench.  I intended to build the whole thing from a DIY approach, and utilize a York 210 – Belt Driven Air Conditioning

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Posted in Refrigeration

Refrigeration Test Bench – Part II

In Part I, I summarized my efforts to build myself a testing platform for refrigeration projects.  I cut that post short at about the point where I began doing some heavy brazing work.  Also, the amount of media in that

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Posted in Refrigeration

The KillCap Catalogue

I enjoy designing vapor compression machines.  It all started with a refrigerator.  I have thought long and hard on how these mainstays of modern living could be improved and someday I will make some of them a reality.  In the

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Posted in Dehumidifiers, Hot Water, Philosophy, Refrigeration, Refrigerator

The Great Gravity Flooded Evaporator

I’ve grown quite fond of the gravity flooded evaporator in the last year or two.  It has a number of advantages over a dry type evaporator.  I’ve discussed some of these in previous posts (here and here) and I will no doubt

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Posted in Refrigeration

Modular Refrigerator Circa 1935

This curious little gem here is a modular refrigerator evaporator from a US patent granted 1935.  Available here.  The purpose of the invention being that it allows for the removal or replacement of a refrigerator’s evaporator coil (or at least

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Posted in Refrigeration, Refrigerator

Household Refrigeration 1927

Notice the individual cabinet like doors on the refrigerator and the swinging drawer at bottom. Most units were belt driven external drive in this book. There was extensive use of flooded evaporators with low side floats at this time. I

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Posted in Old Refrigeration Texts, Refrigeration, Refrigerator

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