Brookston Beer Bulletin

Jay R. Brooks on Beer

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Patent No. 2771752A: Beer Cooling Apparatus

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Today in 1956, US Patent 2771752 A was issued, an invention of Edward E. Tennant, assigned to the Schlitz Brewing Co., for his “Beer Cooling Apparatus.” There’s no Abstract, although in the description it includes this summary:

This invention relates to a beverage cooling system and apparatus and particularly has reference to apparatus for cooling or maintaining a carbonated beverage, like beer, in a properly cooled condition while transporting the same a substantial distance from the source or keg to the dispensing tap.

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Patent No. 4708938A: Alcoholic Fermentation

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Today in 1987, US Patent 4708938 A was issued, an invention of Stephen J. Hickinbotham, for his “Alcoholic Fermentation.” Here’s the Abstract:

Fermentation method and apparatus comprising an outer container with a plastics bag hung from the neck of the container to define a chamber between the bag and the container. Means to pressurize the chamber with a temperature controlled medium to control fermentation of material within the bag. Additional pressurization of the chamber causing the fermented liquid to be expelled from the mouth of the bag.

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Patent No. 3219319A: Concentration Control Apparatus For A Continuous Flow System

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Today in 1965, US Patent 3219319 A was issued, an invention of Michael Edward Ash, assigned to Guinness Son & Co. Ltd., for his “Concentration Control Apparatus for a Continuous Flow System.” There’s no Abstract, although in the description it includes this summary:

This invention relates in general to continuous flow systems of the kind in which liquid suspensions comprising a mechanical dispersion of sedimentable particles in a liquid of relatively lower specific gravity, are caused to flow through a processing vessel or series of vessels.

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Patent No. 2530594A: Separating Solid Matter From Hot Wort

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Today in 1950, US Patent 2530594 A was issued, an invention of Fremont W. Benedict, for his “Separating Solid Matter From Hot Wort.” There’s no Abstract, although in the description it includes this summary:

The present, invention aims to effect air separation from the hot wort of most of the nitrogenous substances, and hop resins prior to the delivery of the wort to the coolers and starters. The method of the invention involves introducing the hot wortl into a charging zone where the wort is under some turbulence and from whence it flows into an adjacent and substantially larger quiescent zone. The communication between the two zones is well below the liquid level; and substantially clear wort is withdrawn from the quiescent zone near the liquid level and at a point as remote as practical from the charging zone. The apparatus of the invention comprises a tank of any desired configuration having a partition dividing the tank into a charging or feeding compartment and a’ settling compartment of considerably larger volume than the charging compartment. The lower end of the partition is spaced a short distance above the bottom of the tank, and the space between the partition and the tank bottom provides the communication between the two compartments. The hot wort is preferably delivered in a stream above the. liquid level, so that it splashes into the wort in the charging compartment and keeps the wort there in agitation. A float-controlled discharge is provided for withdrawing substantially clear wort from near the liquid level “of the-settling compartment at a point remote from the partition.

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Patent No. 804979A: Brewing Apparatus

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Today in 1905, US Patent 804979 A was issued, an invention of Carl Rach, for his “Brewing Apparatus.” There’s no Abstract, although in the description it includes this summary:

My present invention has reference more particularly to the construction of that part of brewing apparatus which has to do with the mashing portion of the process.

The object of my invention is to so construct the apparatus as to facilitate the mashing, the heating of the mash, its transfer from one vessel to another, and the separating of the thick mash from the thin mash, or, as it is commonly termed, lauter mash.

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Patent No. 4483881A: Process For Discontinuous Wort Boiling During Beer Manufacture

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Today in 1984, US Patent 4483881 A was issued, an invention of Bernhard Lenz, for his “Process For Discontinuous Wort Boiling During Beer Manufacture.” Here’s the Abstract:

In discontinuous wort boiling for the manufacture of beer, the energy of the vapor arising from the boiling is used in a heat exchanger for the production of hot water. The heated brewing water is reheated in a second heat exchange process by the energy from the vapor arising from the boiling and, with this reheated brewing water, the refined wort is heated again in another heat exchange process before the boiling, whereby the brewing water which is cooled in this heat exchange process is reheated by the energy from the vapor arising from the boiling. Thus, the energy from the vapor produced during the wort boiling is fed directly back into the wort boiling process.

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Patent No. 1981014A: Beer Cooler

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Today in 1934, US Patent 1981014 A was issued, an invention of Otto Weigelt, for his “Beer Cooler.” There’s no Abstract, although in the description it includes this summary:

This invention relates to beer coolers, and more particularly to the water pipe beer cooler of the type adapted for use in brewing establishments.

An object of the present invention is to provide a novel beer cooler having means for greatly improved distribution of the beer while undergoing the cooling process, so as to invoke and utilize the greatest amount of cooling efficiency of the apparatus.

A further object is to provide a beer cooler of the water pipe type having an efficient and simple means for accommodating a variation in length of the pipes employed caused by their expansion or contraction during use.

Another object is to provide end manifolds for the pipes having longitudinally slideable mountings permanently secured but capable of limited movement to accommodate variations in expansion and contraction of the water pipes.

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Patent No. 8584665B2: Brewery Plant And Method

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Today in 2013, US Patent 8584665 B2 was issued, an invention of Kurt Stippler and Klaus-Karl Wasmuht, assigned to Krones Ag, for his “Brewery Plant and Method.” Here’s the Abstract:

A brewery plant with at least one mash container, a lauter tun, a wort pan and a water housing, wherein at least part of the thermal energy requirement of the brewery is covered with solar collectors, and the solar collectors directly or indirectly heat a fluid. Also, a brewing method where the thermal energy requirement for at least of a part of the brewing process stages is at least partially covered with a fluid heated directly or indirectly by solar collectors.

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Patent No. 2262863A: Lauter Tank

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Today in 1941, US Patent 2262863 A was issued, an invention of Robert C. Schock, for his “Lauter Tank.” There’s no Abstract, although in the description it includes this summary:

Lauter tanks, as is known, are provided with two bottoms, a false or inner bottom which is in the nature of a screen or a perforated plate or a slotted plate permitting the wort to pass therethrough, and a lower bottom which collects the wort that has filtered through the false bottom.

It has heretofore been’ proposed to remove the wort which is passed through the false bottom, by a large number of separate pipes, one for each subdivision of the lauter tank, and these pipes, generally speaking about twelve to thirty-two in number, having an equal number of discharge valves or cocks, lone for each pipe. ‘I’he control of the wort by means of such a multiplicity of valves was difficult and not at all times possible.

Furthermore, in some of the lauter tanks heretofore used, the outside bottom was entirely flat and in consequence there would be an adherence of the wort to the bottom, so that the wort would accumulate on such bottoms and bring about a harmful condition of uncleanliness, favorable to the generation of bacteria in undesired quantities, unless carefully cleaned after each use.

The object of the invention here is to provide l an outside bottom which prevents a building up of sediment or under dough, and to replace the said multiplicity of pipes and valves by three valves which can be readily controlled and regulated in accordance with the practice of determining the amount of sugar in the wort, and thereby determining the density of flow of the l wort as it bypasses through the saccharometer chambers, and in the event that the flow in any of the chambers which is so governed by the three valves is not of the desired order, it can be throttled until the flow shall have been equalized.

For this purpose, the improvements in the lauter tank forming the basis of this invention are, first, the provision of three manifolds concentrically arranged to render each of said manifold saccharometer grant. Secondly, the invention consists in providing the outside bottom with a series of concentric channels, each V-shaped in cross-section, the apex of the V being provided with the outlet pipes which discharge the wort into the aforesaid manifolds, such V-shape formation providing the outside bottom with concentrically disposed inclined walls, to enable a free flow of the wort which is passed through the false bottom in such a manner as to maintain the inner walls of these V-shaped circumferential members clean of the wort, by promoting faster running thereof and thus to prevent the formation of undesirable accretions of solid matter from the wort, also to aid in preventing under dough and to prevent any possible generation of undesired bacteria.

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Patent No. 1832587A: Method Of And Apparatus For Dealcoholizing Beer

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Today in 1931, US Patent 2061240 A was issued, an invention of Claude B. Schneible, for his “Method of and Apparatus for Dealcoholizing Beer and the Like.” There’s no Abstract, although in the description it includes this summary:

This invention relates to -a method of and apparatus for dealcoholizing beer and the like and will be readily understood from the following description in conjunction with the accompanying drawings.

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